Structural Engineering Companies in Leeds: 43 Active Firms (2026)

Structural engineering companies design and assess buildings, bridges and other structures across Leeds and its surrounding metropolitan area.

Buying activity tends to sit with property developers, contractors, asset owners and public-sector project teams, rather than a single central procurement function. Work is usually packaged around design assurance, temporary works advice, structural surveys, refurbishment schemes and infrastructure interfaces. The better-fit consultancies are multidisciplinary enough to work with architects, civil engineers and quantity surveyors, but still project-led: fee scopes are tied to planning stages, contractor design packages, condition assessments and professional-indemnity exposure. Engagements are typically mid-market consultancy assignments, ranging from discrete technical reports to repeat work on built-environment programmes across the Leeds metropolitan area.

Read more

Leeds has 43 actively trading structural engineering companies in this list, making it a compact local consultancy cohort rather than a broad national outsourcing market. The reported employment footprint is 277 employees, which points to a market made up mainly of small and mid-sized practices. Only 4 firms have turnover above £5M, so procurement teams looking for higher-capacity suppliers face a fairly narrow field. Formation has not stopped: 5 firms were incorporated since 2022, suggesting some continued entry around specialist design, survey and refurbishment work.

Professional status matters more than firm licensing in this part of UK engineering. Chartered Structural Engineer is treated as an accreditation-based regulated profession, with restrictions attached to protected title use rather than reserved activities carried out only by licensed firms. That distinction matters for buyer checks: clients tend to look for chartered oversight, professional indemnity, building-control familiarity and health-and-safety competence, rather than a single sector licence. Public-sector and infrastructure work also brings procurement rules and documentation requirements, while refurbishment and adaptation projects place particular weight on liability, inspection quality and design sign-off.

The Leeds cohort appears likely to remain shaped by construction cycles, public works pipelines and the ageing commercial-building stock around the city region. Demand tends to favour consultancies that can combine new-build design with assessment, adaptation and maintenance work, because refurbishment often needs faster diagnostic judgement than a clean-sheet scheme. Scale-up scarcity may keep capacity tight for larger frameworks, while smaller practices can still compete where local knowledge and professional accountability matter. Consolidation is plausible, but not inevitable; multidisciplinary groups may look for structural teams, while owner-managed consultancies may prefer specialist independence.

What’s in the file

One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.

Company data

Company name
Website
City & address
Companies House no.
Incorporation date
SIC codes & industry tags
What they do / who they sell to
Turnover, profit, cash & net assets
Employees
Growth (YoY & 3-year)
Financial-health score & flags
Sales-readiness score
Detected technologies

Verified directors — included

Director names
Director roles
Appointment dates

43

Active firms

2026

4

Above £5M

companies by revenue

5

Since 2022

newer incorporations

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Key facts

About 9% of the trading cohort reports turnover above £5M (4 of 43 firms) — the rest sits below that revenue band.

11% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.

“Chartered Structural Engineer” is an accreditation-based regulated profession in the UK, with reserved activities listed as “None - restrictions apply to use of title only”.

ONS reported Great Britain construction new work at £140.7 billion in 2024, up 1.4%.

Construction new orders reached £71.7 billion in 2024, up 5.6%, which matters for consultancy pipelines tied to future projects.

The Association for Consultancy and Engineering put engineering consultancy’s contribution to UK GDP at £39.5 billion in 2023.

Top Leeds Structural Engineering companies

Company
Sales readinessHow strongly each company matches this list’s ideal-customer profile. An AI model assesses what each company does (from its website), its sector and size, and scores its overall fit 0–100. Companies are listed highest score first, so the best-fit prospects appear at the top.
Turnover
Employees
Growth (yoy)Year-on-year change in UK headcount, from filed accounts.
Financial healthComposite 0–100 score from recent XBRL filings (profitability, net assets, liquidity, cash, headcount). Bands: Strong, Healthy, Stable, Weak, Distressed.
Location
ARP GEOTECHNICAL LIMITED
ARP Geotechnical
Civil Engineering
22 employeesInc. 1999Servia Hill Leeds, West YorkshireCH 03771811
arpgeotechnical.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets38 / 100
Cash100 / 100
Headcount28 / 100
What does ARP GEOTECHNICAL LIMITED do?

Provides civil, structural and geotechnical engineering consultancy services, including site investigations, geo‑environmental assessments, topographical surveys, infrastructure and foundation…

Who does ARP GEOTECHNICAL LIMITED sell to?

Serves property developers, contractors, architects and asset owners across residential, commercial, industrial, retail/leisure, health, education, infrastructure and water projects, including…

Key contacts (1)
AP
Andrew Phillip Hawkin
Director
Full details & directors in the file
Company vitals
UK Headcount
22
UK Revenue
£1.9MEstimate
Founded
27 years ago
Since May 1999
HQ
Servia Hill Leeds, West Yorkshire
Financial health
52

Financial Health

Stable

Stable · -4% CAGR over 3y

Location

Map of Servia Hill Leeds, West Yorkshire
Northwest House, 5/6 Northwest Business Park
Servia Hill Leeds, West Yorkshire, LS6 2QH
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

BJB CONSULTING (UK) LLP
BJB Consulting
Civil Engineering
Inc. 2009Leeds, West YorkshireCH OC349523
bjbconsult.co.uk
Buy all 72 as a spreadsheet
What does BJB CONSULTING (UK) LLP do?

Provides civil and structural engineering consultancy, development advice, and project management for construction projects. Delivers design, BIM modelling, drainage and infrastructure solutions, and…

Who does BJB CONSULTING (UK) LLP sell to?

Serves UK construction contractors, property developers, real estate investors, universities, healthcare bodies, hotel and retail operators, and public sector clients including police forces, prisons…

Full details & directors in the file
Company vitals
UK Headcount
0
UK Revenue
£0Estimate
Founded
16 years ago
Since Oct 2009
HQ
Leeds, West Yorkshire
Financial health

Financial Health

N/A

N/A

Location

Map of Leeds, West Yorkshire
148 Rose Bowl, Portland Crescent
Leeds, West Yorkshire, LS1 3HB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

ADEPT CONSULTING ENGINEERS LTD
Adept Consulting Engineers
Civil Engineering
54 employeesInc. 2006Farsley, West YorkshireCH 06029802
adeptcsce.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Net assets100 / 100
Cash100 / 100
Headcount79 / 100
What does ADEPT CONSULTING ENGINEERS LTD do?

Provides civil and structural engineering consultancy for construction projects, including design, analysis and BIM modelling. Works with developers and contractors on sectors such as industrial,…

Who does ADEPT CONSULTING ENGINEERS LTD sell to?

Serves property developers, contractors, architects and public sector bodies delivering construction projects across industrial/logistics, education, healthcare, residential, retail, hotel, mixed-use…

Key contacts (4)
GM
Gareth Michael Shepherd
Director
RE
Richard Edward Parker
Director
MI
Matthew Ian Ramsden
Director
EJ
Erol John Erturan
Director
Full details & directors in the file
Company vitals
UK Headcount
54
UK Revenue
£4.6MEstimate
Founded
19 years ago
Since Dec 2006
HQ
Farsley, West Yorkshire
Financial health
94

Financial Health

Strong

Strong · Growing, Hiring · 13% CAGR over 2y

GrowingHiring

Location

Map of Farsley, West Yorkshire
1912 Mill Sunny Bank Mills, Town Street
Farsley, West Yorkshire, LS28 5UJ
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Melia Smith & Jones Limited
Melia Smith & Jones
Civil Engineering
11 employeesInc. 2000West YorkshireCH 04041907
msj.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets85 / 100
Cash33 / 100
Headcount32 / 100
What does Melia Smith & Jones Limited do?

Provides civil and structural engineering consultancy including design, analysis, BIM modelling and project supervision for construction projects. Works on commercial, residential, education,…

Who does Melia Smith & Jones Limited sell to?

Serves property developers, contractors, architects and self-build homeowners across commercial, residential, education, infrastructure and leisure projects, including offices, hotels, retail, car…

Key contacts (3)
FH
Fred Higham
Director
BM
Benedict Mabbs
Director
AW
Alexander William Bell
Director
Full details & directors in the file
Company vitals
UK Headcount
11
UK Revenue
£684.5KEstimate
Founded
25 years ago
Since Jul 2000
HQ
West Yorkshire
Financial health
56

Financial Health

Stable

Stable · -2% CAGR over 4y

Location

Map of West Yorkshire
Vinery Court 58 Cardigan Lane, Leeds
West Yorkshire, LS4 2LD
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

BJB CONSULTING LTD
BJB Consulting
Civil EngineeringConstruction
5 employeesInc. 2006Leeds, West YorkshireCH 05711284
bjbconsult.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Net assets34 / 100
Cash39 / 100
Headcount40 / 100
What does BJB CONSULTING LTD do?

Provides civil and structural engineering consultancy, development advice, and project management for construction projects. Services include design, drainage and infrastructure engineering, BIM…

Who does BJB CONSULTING LTD sell to?

Serves B2B and public sector clients delivering property and construction projects, including developers, contractors, hotel and retail groups, universities, NHS organisations, police forces, prison…

Key contacts (2)
BJ
Basil Jawad Basray
Director
HB
Helen Basray
Director
Full details & directors in the file
Company vitals
UK Headcount
5
UK Revenue
£714.3KEstimate
Founded
20 years ago
Since Feb 2006
HQ
Leeds, West Yorkshire
Financial health
37

Financial Health

Weak

Weak · 0% CAGR over 2y

Location

Map of Leeds, West Yorkshire
148 Rose Bowl, Portland Crescent
Leeds, West Yorkshire, LS1 3HB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

CRABTREE POTTS ASSOCIATES LIMITED
CPA Consulting Engineers
Civil Engineering
9 employeesInc. 2020LeedsCH 12933591
cpa-consulting.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets36 / 100
Cash26 / 100
Headcount40 / 100
What does CRABTREE POTTS ASSOCIATES LIMITED do?

Provides civil and structural engineering consultancy and design services for construction projects, including infrastructure, foundations and structural systems, serving sectors such as industrial…

Who does CRABTREE POTTS ASSOCIATES LIMITED sell to?

Serves B2B clients including architects, developers, contractors, surveyors and construction consultants involved in industrial, education, energy, commercial, residential, care, retail and leisure…

Key contacts (2)
SJ
Simon James Crabtree
Director
AG
Andrew Gordon Potts
Director
Full details & directors in the file
Company vitals
UK Headcount
9
UK Revenue
£831.8KEstimate
Founded
5 years ago
Since Oct 2020
HQ
Leeds
Financial health
34

Financial Health

Weak

Weak · 0% CAGR over 3y

Location

Map of Leeds
Number One Great Exhibition Way, Kirkstall Forge
Leeds, LS5 3BF
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Dart Engineers Ltd
Dart Engineers
Civil Engineering
4 employeesInc. 2023LeedsCH 14567224
dart-engineers.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 2 filings
Net assets100 / 100
Cash100 / 100
Headcount83 / 100
What does Dart Engineers Ltd do?

Provides civil and structural engineering consultancy services for development projects. Services include pre‑planning advice, infrastructure and drainage design, detailed engineering design, site…

Who does Dart Engineers Ltd sell to?

Serves private-sector developers and planning consultants across the UK, especially in residential development, infrastructure, retail, commercial, industrial, logistics and education projects.

Key contacts (2)
RG
Robert George Thacker
Director
AJ
Andrew James Beric Dyson
Director
Full details & directors in the file
Company vitals
UK Headcount
4
UK Revenue
£531.2KEstimate
Founded
3 years ago
Since Jan 2023
HQ
Leeds
Financial health
95

Financial Health

Strong

Strong · Growing, Hiring · 33% CAGR over 1y

GrowingHiring

Location

Map of Leeds
Brook House Church Lane, Garforth
Leeds, LS25 1HB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

AJMS CONSULTANTS LIMITED
Ajms Consultants
Civil Engineering
23 employeesInc. 2018CroydonCH 11180505
ajmsconsultants.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Net assets29 / 100
Cash9 / 100
Headcount71 / 100
What does AJMS CONSULTANTS LIMITED do?

Provides civil and structural engineering consultancy services for infrastructure projects, specialising in rail and highway design. Offers railway engineering, civil engineering, structures…

Who does AJMS CONSULTANTS LIMITED sell to?

Serves rail and infrastructure asset owners, operators and principal contractors, including Network Rail, Siemens and major civil engineering contractors, on UK rail, highway and structures projects.

Key contacts (3)
AN
Austin Nicholas Byrne
Director
JF
John Francis Jeffers
Director
MJ
Mark Joseph O'Halloran
Director
Full details & directors in the file
Company vitals
UK Headcount
23
UK Revenue
£3.1MEstimate
Founded
8 years ago
Since Jan 2018
HQ
Croydon
Financial health
35

Financial Health

Weak

Weak · Hiring · 10% CAGR over 2y

Hiring

Location

Map of Croydon
Suite 48-49, 6th Floor, Amp House, Dingwall Road
Croydon, CR0 2LX
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

OEC Consulting Engineers Ltd
OEC Consulting Engineers
Civil Engineering
11 employeesInc. 2017Leeds, West YorkshireCH 11024353
oecconsult.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets90 / 100
Cash100 / 100
Headcount100 / 100
What does OEC Consulting Engineers Ltd do?

Provides civil, structural and geotechnical engineering consultancy services, including design and analysis for construction and development projects. Supports site infrastructure, foundations and…

Who does OEC Consulting Engineers Ltd sell to?

Serves UK B2B construction and property clients, including residential developers, commercial and industrial site owners, and development project teams.

Key contacts (2)
MA
Marc Askew
Director
WM
Wayne Martin Walker
Director
Full details & directors in the file
Company vitals
UK Headcount
11
UK Revenue
£1.2MEstimate
Founded
8 years ago
Since Oct 2017
HQ
Leeds, West Yorkshire
Financial health
96

Financial Health

Strong

Strong · Growing, Hiring · 12% CAGR over 4y

GrowingHiring

Location

Map of Leeds, West Yorkshire
1 Victoria Court, Bank Square, Morley
Leeds, West Yorkshire, LS27 9SE
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

JPG
Civil Engineering
5 employeesInc. 2018Leeds, West YorkshireCH 11377533
jpg.group
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets50 / 100
What does JPG do?

Provides civil and structural engineering consultancy services for property and infrastructure developments. Offers design and advisory services including infrastructure engineering, transport…

Who does JPG sell to?

Serves UK and international property developers, landowners, contractors and occupiers across major development sectors, including industrial, logistics, manufacturing, education, business parks and…

Key contacts (2)
DS
David Scott Allwood
Director
MD
Matthew David Potter
Director
Full details & directors in the file
Company vitals
UK Headcount
5
UK Revenue
£26.6KEstimate
Founded
8 years ago
Since May 2018
HQ
Leeds, West Yorkshire
Financial health
50

Financial Health

Stable

Stable

Location

Map of Leeds, West Yorkshire
5 John Charles Way
Leeds, West Yorkshire, LS12 6QA
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

AMROSE ASSOCIATES LTD
Amrose
Civil Engineering
6 employeesInc. 2024LeedsCH 15398015
amroseassociates.com
Buy all 72 as a spreadsheet
What does AMROSE ASSOCIATES LTD do?

Provides structural, civil and mechanical engineering consultancy for construction projects. Services include temporary works design, demolition engineering, permanent structural design, and lifting…

Who does AMROSE ASSOCIATES LTD sell to?

Serves B2B clients in construction and demolition, including contractors, developers and project teams needing temporary works, demolition and structural engineering support across sectors.

Key contacts (2)
JC
John Charles Laverick
Director
IA
Imogen Alice Laverick
Director
Full details & directors in the file
Company vitals
UK Headcount
6
UK Revenue
£290.1KEstimate
Founded
2 years ago
Since Jan 2024
HQ
Leeds
Financial health

Financial Health

N/A

N/A

Location

Map of Leeds
The Pinnacle, 67 Albion Street
Leeds, LS1 5AA
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Crossley Consult
Testing, Inspection & CertificationCivil Engineering
1 employeesInc. 2019LeedsCH 12033734
crossleyconsult.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Cash27 / 100
Headcount40 / 100
What does Crossley Consult do?

Provides engineering consultancy for the built environment, specialising in blast engineering, structural and glazing design. Offers analysis and simulation, physical and blast testing, material…

Who does Crossley Consult sell to?

Serves B2B clients in construction, structural engineering and security, including architects, contractors, fabricators, installers and organisations involved in blast-resistant buildings, glazing…

Key contacts (1)
PG
Paul Graham Crossley
Director
Full details & directors in the file
Company vitals
UK Headcount
1
UK Revenue
£23.8KEstimate
Founded
7 years ago
Since Jun 2019
HQ
Leeds
Financial health
34

Financial Health

Weak

Weak · 0% CAGR over 4y

Location

Map of Leeds
8 Edward Way, New Farnley
Leeds, LS12 5FB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

JPG (Leeds) Limited
JPG
Civil Engineering
31 employeesInc. 2001Leeds, West YorkshireCH 04274608
jpg.group
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets73 / 100
Cash39 / 100
Headcount12 / 100
What does JPG (Leeds) Limited do?

Provides civil and structural engineering consultancy services for development projects, including infrastructure design, transport planning, geoenvironmental assessments, and strategic land advice.…

Who does JPG (Leeds) Limited sell to?

Serves property developers, land promoters and development teams across major sectors, including industrial, logistics, manufacturing, education and infrastructure, in the UK and internationally.

Key contacts (2)
DS
David Scott Allwood
Director
MD
Matthew David Potter
Director
Full details & directors in the file
Company vitals
UK Headcount
31
UK Revenue
£27KEstimate
Founded
24 years ago
Since Aug 2001
HQ
Leeds, West Yorkshire
Financial health
47

Financial Health

Stable

Stable · -9% CAGR over 4y

Location

Map of Leeds, West Yorkshire
5 John Charles Way
Leeds, West Yorkshire, LS12 6QA
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

PB Scaffold Design Limited
PB Scaffold Design
ConstructionCivil Engineering
8 employeesInc. 2009LeedsCH 06838674
pbscaffolddesign.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Net assets39 / 100
Cash28 / 100
Headcount40 / 100
What does PB Scaffold Design Limited do?

Provides scaffold design consultancy for construction and industrial projects, producing working drawings and structural calculations, carrying out site inspections and third‑party design checks, and…

Who does PB Scaffold Design Limited sell to?

Serves B2B clients including scaffolding and main contractors, architects, heritage project teams, and organisations in industrial and rail sectors, across the UK and internationally.

Full details & directors in the file
Company vitals
UK Headcount
8
UK Revenue
£862.3KEstimate
Founded
17 years ago
Since Mar 2009
HQ
Leeds
Financial health
37

Financial Health

Weak

Weak · 0% CAGR over 2y

Location

Map of Leeds
Century Offices 2175 Century Way,, Thorpe Park
Leeds, LS15 8ZB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

AmcoGiffen
Civil EngineeringConstructionUtilities
7 employeesInc. 1970LeedsCH 00995892
amcogiffen.co.uk
Buy all 72 as a spreadsheet
What does AmcoGiffen do?

Provides multi‑disciplinary engineering, construction and maintenance services for transport, energy and environmental infrastructure. Activities include civil and structural design, rail…

Who does AmcoGiffen sell to?

Serves UK infrastructure clients, including rail businesses, energy asset owners, environmental bodies such as the Environment Agency, and transport-sector stakeholders needing support for critical…

Key contacts (3)
PD
Philip David Bruce
Director
JD
Jason Derek Marbeck
Director
JH
John Henry Booth
Director
Full details & directors in the file
Company vitals
UK Headcount
7
UK Revenue
£137.3KEstimate
Founded
55 years ago
Since Dec 1970
HQ
Leeds

Location

Map of Leeds
3125 Century Way, Thorpe Park
Leeds, LS15 8ZB
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

CAIRN CROSS (GROUP) LIMITED
Cairn Cross
Civil EngineeringConstruction
5 employeesInc. 2016Leeds, West YorkshireCH 10319972
cairncross.uk.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Cash63 / 100
Headcount40 / 100
What does CAIRN CROSS (GROUP) LIMITED do?

Provides design-and-build civil engineering services for rail infrastructure, particularly maintenance depots and related facilities. Installs carriage washes, fuelling and CET systems, wheel lathes…

Who does CAIRN CROSS (GROUP) LIMITED sell to?

Serves UK rail sector clients, including train and freight operating companies and rail maintenance depot operators, plus infrastructure buyers in highways, bridges, structures and utilities.

Full details & directors in the file
Company vitals
UK Headcount
5
UK Revenue
£654.3KEstimate
Founded
9 years ago
Since Aug 2016
HQ
Leeds, West Yorkshire
Financial health
51

Financial Health

Stable

Stable · 0% CAGR over 2y

Location

Map of Leeds, West Yorkshire
1 Cadman Court, Morley
Leeds, West Yorkshire, LS27 0RX
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Haigh Huddleston & Associates Limited
Haigh Huddleston & Associates
Civil Engineering
0 employeesInc. 2007WakefieldCH 06458196
haighhuddleston.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets87 / 100
Cash99 / 100
Headcount0 / 100
What does Haigh Huddleston & Associates Limited do?

Provides civil and structural engineering consultancy services for residential and construction developments, including structural design, highway and external works design, sustainable drainage…

Who does Haigh Huddleston & Associates Limited sell to?

Serves B2B clients including large national housing developers, independent house builders in Yorkshire, and architects working on developer-led projects.

Key contacts (3)
JM
Jamie McBride
Director
PH
Paula Huddleston
Director
MH
Martin Huddleston
Director
Full details & directors in the file
Company vitals
UK Headcount
0
UK Revenue
£1.6MEstimate
Founded
18 years ago
Since Dec 2007
HQ
Wakefield
Financial health
67

Financial Health

Healthy

Healthy · -67% CAGR over 4y

Location

Map of Wakefield
Unit 4 Midgley Business Park, Bar Lane, Midgley
Wakefield, WF4 4JJ
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

JMS LONDON LIMITED
JMS Engineers
Civil Engineering
1 employeesInc. 2007Ilkley, West YorkshireCH 06111508
jmsengineers.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets40 / 100
Cash55 / 100
Headcount40 / 100
What does JMS LONDON LIMITED do?

Provides consulting structural and civil engineering services, including structural design, civil infrastructure and drainage design, SuDS strategies, structural surveys, temporary works design, and…

Who does JMS LONDON LIMITED sell to?

Sells to businesses and organisations commissioning structural and civil engineering on construction projects, including residential, commercial, retail, industrial, education, healthcare, energy,…

Key contacts (1)
MJ
Michael Jane
Director
Full details & directors in the file
Company vitals
UK Headcount
1
UK Revenue
£39.1KEstimate
Founded
19 years ago
Since Feb 2007
HQ
Ilkley, West Yorkshire
Financial health
44

Financial Health

Stable

Stable · 0% CAGR over 4y

Location

Map of Ilkley, West Yorkshire
71 Skipton Road
Ilkley, West Yorkshire, LS29 9BH
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

BEAM CONSULTING ENGINEERS LIMITED
Beam Consulting Engineers
Civil EngineeringConstruction
8 employeesInc. 2010Wakefield, West YorkshireCH 07269218
beamconsulting.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets66 / 100
Headcount40 / 100
What does BEAM CONSULTING ENGINEERS LIMITED do?

Provides civil and structural engineering consultancy for construction projects, including structural, civil, drainage and highways design, flood risk assessments, temporary works design,…

Who does BEAM CONSULTING ENGINEERS LIMITED sell to?

Serves B2B and public sector clients commissioning construction consultancy, including power and utilities, water authorities, commercial and industrial developers, retail operators, local…

Key contacts (2)
KG
Kenneth Graham Philip
Director
HT
Hannah Tamsin Philip
Director
Full details & directors in the file
Company vitals
UK Headcount
8
UK Revenue
£823KEstimate
Founded
16 years ago
Since Jun 2010
HQ
Wakefield, West Yorkshire
Financial health
57

Financial Health

Stable

Stable · 0% CAGR over 4y

Location

Map of Wakefield, West Yorkshire
14 Bond Street
Wakefield, West Yorkshire, WF1 2QP
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Structural Asset Consulting Engineers Ltd
Structural Asset Consulting Engineers
Civil EngineeringTesting, Inspection & Certification
6 employeesInc. 2013PontefractCH 08519734
sace.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets100 / 100
Cash100 / 100
Headcount0 / 100
What does Structural Asset Consulting Engineers Ltd do?

Provides civil and structural engineering consultancy including structural inspections, asset assessments, defect monitoring, load calculations and finite element analysis, and design of new or…

Who does Structural Asset Consulting Engineers Ltd sell to?

Serves organisations responsible for infrastructure and structural assets, including transport system operators, asset managers, engineering contractors and custodians of listed or conservation…

Key contacts (1)
LJ
Liam Joseph Marshall
Director
Full details & directors in the file
Company vitals
UK Headcount
6
UK Revenue
£810.9KEstimate
Founded
13 years ago
Since May 2013
HQ
Pontefract
Financial health
73

Financial Health

Healthy

Healthy · -16% CAGR over 4y

Location

Map of Pontefract
18a Cornmarket
Pontefract, WF8 1BJ
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Nationwide Structures
Construction
4 employeesInc. 2021WakefieldCH 13181540
nwsltd.com
Buy all 72 as a spreadsheet
What does Nationwide Structures do?

Provides structural engineering services for construction projects, working with architects and contractors to design and deliver building structures. Involved in commercial, industrial, energy,…

Who does Nationwide Structures sell to?

Serves UK architects, engineers, construction firms, developers and PLCs, plus public sector buyers, across commercial, industrial, energy, retail, storage, education, healthcare, leisure, research…

Key contacts (1)
TP
Timothy Paul Cullen
Director
Full details & directors in the file
Company vitals
UK Headcount
4
UK Revenue
£313.1KEstimate
Founded
5 years ago
Since Feb 2021
HQ
Wakefield
Financial health

Financial Health

N/A

N/A

Location

Map of Wakefield
The Picasso Building, Calder Vale Road
Wakefield, WF1 5PE
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Shape Engineering Limited
Shape Engineering
Civil EngineeringConstruction
8 employeesInc. 2014Heckmondwike, West YorkshireCH 09200864
shape-engineering.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets39 / 100
Cash31 / 100
Headcount11 / 100
What does Shape Engineering Limited do?

Provides structural and civil engineering consultancy services for construction and development projects. Works on residential, commercial, healthcare and education schemes, delivering engineering…

Who does Shape Engineering Limited sell to?

Serves UK-wide property developers, housing associations, social landlords, local authorities and construction partners in residential, healthcare, education and commercial building sectors.

Key contacts (1)
CP
Carolyn Pearson
Director
Full details & directors in the file
Company vitals
UK Headcount
8
UK Revenue
£684.6KEstimate
Founded
11 years ago
Since Sep 2014
HQ
Heckmondwike, West Yorkshire
Financial health
29

Financial Health

Weak

Weak · -10% CAGR over 4y

Location

Map of Heckmondwike, West Yorkshire
Walkley Works, Walkley Lane
Heckmondwike, West Yorkshire, WF16 0PH
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

HUTCHINSON WHITLAM ASSOCIATES LIMITED
Hutchinson Whitlam
Civil EngineeringConstruction
6 employeesInc. 2012Ilkley, West YorkshireCH 08128624
hutchinsonwhitlam.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets40 / 100
Cash38 / 100
Headcount100 / 100
What does HUTCHINSON WHITLAM ASSOCIATES LIMITED do?

Provides civil and structural engineering consultancy services for construction projects, including structural design, infrastructure and drainage design, and engineering advice. Works across…

Who does HUTCHINSON WHITLAM ASSOCIATES LIMITED sell to?

Serves organisational clients across almost every sector of the construction industry, including building project owners, consultants and project teams.

Key contacts (1)
MJ
Matthew James Basterfield
Director
Full details & directors in the file
Company vitals
UK Headcount
6
UK Revenue
£1.5MEstimate
Founded
14 years ago
Since Jul 2012
HQ
Ilkley, West Yorkshire
Financial health
56

Financial Health

Stable

Stable · Hiring · 26% CAGR over 3y

Hiring

Location

Map of Ilkley, West Yorkshire
Fairfax House \ 38, The Grove
Ilkley, West Yorkshire, LS29 9EE
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

CONCRETE CONSULTANCY LIMITED
Concrete Consultancy
Civil EngineeringTesting, Inspection & CertificationConstruction
Inc. 2020Halifax, West YorkshireCH 12871242
concrete-consultancy.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 4 filings
Net assets100 / 100
Cash79 / 100
What does CONCRETE CONSULTANCY LIMITED do?

Provides engineering consultancy focused on inspection, survey and testing of reinforced concrete structures. Conducts condition assessments, material testing, drone surveys and access inspections,…

Who does CONCRETE CONSULTANCY LIMITED sell to?

Serves public and private sector asset owners/managers, local authorities, developers and consulting engineers responsible for reinforced concrete infrastructure, buildings, car parks, tanks, towers…

Full details & directors in the file
Company vitals
UK Headcount
0
UK Revenue
£24.6KEstimate
Founded
5 years ago
Since Sep 2020
HQ
Halifax, West Yorkshire
Financial health
92

Financial Health

Strong

Strong

Location

Map of Halifax, West Yorkshire
55 Pellon Lane
Halifax, West Yorkshire, HX1 5SP
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

EMPACE CONSULTING LIMITED
Empace
Civil Engineering
6 employeesInc. 2016BradfordCH 10527028
empace.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets0 / 100
Headcount100 / 100
What does EMPACE CONSULTING LIMITED do?

Provides civil and structural engineering consultancy services, including concept and detailed structural design, technical drawings, BIM modelling, and construction stage inspections for building…

Who does EMPACE CONSULTING LIMITED sell to?

Serves architects, property developers and building owners delivering commercial, residential, heritage and domestic construction projects, from small extensions to larger schemes.

Key contacts (1)
UD
Ummer Daraz
Director
Full details & directors in the file
Company vitals
UK Headcount
6
UK Revenue
£111.8KEstimate
Founded
9 years ago
Since Dec 2016
HQ
Bradford
Financial health
38

Financial Health

Weak

Weak · Hiring · 11% CAGR over 4y

HiringFinancial distressTechnical insolvency

Location

Map of Bradford
374a First Floor, Leeds Road
Bradford, BD3 9QX
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Forest Hill Design Limited
Forest Hill Design
ArchitectureCivil Engineering
5 employeesInc. 2007Halifax, West YorkshireCH 06306469
foresthilldesign.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 3 filings
Headcount23 / 100
What does Forest Hill Design Limited do?

Provides timber frame design and engineering services for construction projects. Produces CAD detailing and structural design packages for timber frame structures, roof trusses, structural insulated…

Who does Forest Hill Design Limited sell to?

Serves timber frame manufacturers, self-builders and engineers throughout the UK, including clients involved in off-site construction, SIPS, roof truss and CLT building projects.

Key contacts (1)
CL
Claire Louise Norcliffe
Director
Full details & directors in the file
Company vitals
UK Headcount
5
UK Revenue
£302.6KEstimate
Founded
19 years ago
Since Jul 2007
HQ
Halifax, West Yorkshire
Financial health
23

Financial Health

Weak

Weak · -9% CAGR over 2y

Location

Map of Halifax, West Yorkshire
3 Marsden Gate Farm, Marsden, Gate, Stainland
Halifax, West Yorkshire, HX4 9LD
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

IN THE CAN LIMITED
CAN
Civil EngineeringConstruction
1 employeesInc. 2016HalifaxCH 10375956
can.ltd.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets98 / 100
Cash100 / 100
Headcount0 / 100
What does IN THE CAN LIMITED do?

Provides geotechnical and structural engineering services including slope stabilisation, soil nailing, rockfall protection, and tie‑bar and anchor systems. Carries out structural inspections,…

Who does IN THE CAN LIMITED sell to?

Serves B2B and public-sector clients managing difficult-access infrastructure and assets, including highways and rail operators, construction contractors, commercial and residential site owners,…

Full details & directors in the file
Company vitals
UK Headcount
1
UK Revenue
£72.6KEstimate
Founded
9 years ago
Since Sep 2016
HQ
Halifax
Financial health
72

Financial Health

Healthy

Healthy · -16% CAGR over 4y

Location

Map of Halifax
Moor Edge Farm Old Lindley Road, Holywell Green
Halifax, HX4 9DF
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

Smart Crosby International Ltd.
Smart Crosby
Civil Engineering
19 employeesInc. 1993Wakefield, RutlandCH 02865149
smartcrosby.com
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets26 / 100
Cash23 / 100
Headcount68 / 100
What does Smart Crosby International Ltd. do?

Provides structural and façade engineering consultancy for building envelopes. Delivers specialist façade design, BIM-led digital engineering, and finite element analysis, along with buildability…

Who does Smart Crosby International Ltd. sell to?

Sells to B2B clients in construction and property development, including architects, contractors, developers and other engineering professionals needing façade and structural design support for…

Key contacts (1)
IC
Iain Christopher Bradley
Director
Full details & directors in the file
Company vitals
UK Headcount
19
UK Revenue
£786.1KEstimate
Founded
32 years ago
Since Oct 1993
HQ
Wakefield, Rutland
Financial health
37

Financial Health

Weak

Weak · Hiring · 4% CAGR over 4y

Hiring

Location

Map of Wakefield, Rutland
Unit C Cedar Court Office Park Denby Dale Road, Calder Grove
Wakefield, Rutland, WF4 3FU
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

GEORGE ELLIOTT & ASSOCIATES LIMITED
George Elliott & Associates
Civil Engineering
4 employeesInc. 2002Pontefract, West YorkshireCH 04529712
gea-structuraluk.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets15 / 100
Headcount20 / 100
What does GEORGE ELLIOTT & ASSOCIATES LIMITED do?

Provides structural engineering consultancy for residential and small building projects, including structural surveys, foundation and beam design, temporary propping schemes, masonry and timber frame…

Who does GEORGE ELLIOTT & ASSOCIATES LIMITED sell to?

Serves domestic customers, homeowners and property owners around Pontefract undertaking small building works, renovations, barn conversions and structural alterations.

Key contacts (1)
SL
Stephen Lund
Director
Full details & directors in the file
Company vitals
UK Headcount
4
UK Revenue
£81.3KEstimate
Founded
23 years ago
Since Sep 2002
HQ
Pontefract, West Yorkshire
Financial health
17

Financial Health

Distressed

Distressed · -5% CAGR over 4y

Financial distress

Location

Map of Pontefract, West Yorkshire
Churchill House, Mill Hill Road
Pontefract, West Yorkshire, WF8 4HY
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

SYNERGY P LIMITED
Synergy P
Civil Engineering
0 employeesInc. 2009Huddersfield, West YorkshireCH 07047422
synergypartners.ca
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets88 / 100
Cash100 / 100
Headcount0 / 100
What does SYNERGY P LIMITED do?

Provides building engineering consulting services including restoration engineering, building enclosure engineering, and technical advisory for new and existing buildings across real estate sectors,…

Who does SYNERGY P LIMITED sell to?

Serves B2B clients across real estate sectors, including owners, developers, property managers and organizations responsible for new and existing buildings.

Key contacts (7)
HT
Hufsa Tayyab
Director
ST
Shaun Tunstall
Director
AR
Amjid Rehman
Director
SC
Susan Cameron
Director
AE
Ailsa Elizabeth Care
Director
JL
Jane Louise Ford
Director
SA
Shohaib Ali
Director
Full details & directors in the file
Company vitals
UK Headcount
0
UK Revenue
£790.8KEstimate
Founded
16 years ago
Since Oct 2009
HQ
Huddersfield, West Yorkshire
Financial health
67

Financial Health

Healthy

Healthy · -61% CAGR over 5y

Location

Map of Huddersfield, West Yorkshire
40 Cobcroft Road
Huddersfield, West Yorkshire, HD2 2RY
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

STRUCTHERM LIMITED
Structherm
ConstructionCivil Engineering
0 employeesInc. 1982HolmfirthCH 01635024
structherm.co.uk
Buy all 72 as a spreadsheet

Financial sub-scores

Computed from 5 filings
Net assets83 / 100
Cash1 / 100
Headcount0 / 100
What does STRUCTHERM LIMITED do?

Designs and supplies external wall insulation (EWI) and structural cladding systems for refurbishment and new-build projects. Develops patented structural EWI systems used to stabilise, insulate and…

Who does STRUCTHERM LIMITED sell to?

Serves housing associations, local authorities, developers and contractors working on non-traditional homes, high-rise and low-rise residential blocks, plus schools, commercial buildings and office…

Full details & directors in the file
Company vitals
UK Headcount
0
UK Revenue
£3.2MEstimate
Founded
44 years ago
Since May 1982
HQ
Holmfirth
Financial health
38

Financial Health

Weak

Weak · -70% CAGR over 4y

Location

Map of Holmfirth
Meltham Mills Bent Ley Road, Meltham
Holmfirth, HD9 4AP
Open in maps

Buy this list of 72 companies

The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.

41 more companies and their verified directors are in the file

You’re seeing the top 31. Buy the list to get all 72 with directors, websites and financials.

How Leeds Structural Engineering companies work and how to sell to them

What they do

Structural engineering consultancies in Leeds earn mainly through professional fees, not recurring software-style revenue. Typical income comes from fixed-fee design packages, condition surveys, inspection reports, temporary works advice, expert reviews and variations as project scope changes. Some practices also sit on repeat frameworks or preferred-supplier lists for developers, contractors and estates teams, which gives a more regular pipeline but still leaves revenue tied to project milestones. Pricing is usually built from engineer time, technical risk, drawing and calculation output, site attendance and professional-indemnity exposure. The service is advisory and document-heavy: calculations, drawings, reports, certificates, meeting input and design sign-off rather than a physical product.

Who they sell to

Most buyers are project-based organisations with a building, asset or infrastructure problem to resolve. Developer-side work tends to involve development directors, project managers and cost consultants; contractor-side work often sits with commercial managers, design managers and temporary works coordinators. Public-sector and estates work is more likely to involve heads of property, procurement teams and framework managers. Smaller assignments, such as surveys or defect reports, can move through direct referral and short scoping calls. Larger refurbishment, bridge, infrastructure or public works packages tend to use tenders, framework mini-competitions or consultant teams led by architects and civil engineers. Technical trust often matters as much as headline fee.

What they buy

Spending inside these consultancies tends to follow the cost base of a project-led professional services firm. Most need structural design and analysis tools, drawing and modelling software, document control, project accounting, timesheets, fee forecasting and quality-assurance systems. As practices grow, CRM and bid-management tools become more relevant because work is won through repeat relationships, tenders and consultant-team formation. They also buy professional-indemnity advice, legal support for appointments and liability caps, health-and-safety training, recruitment services for engineers and technicians, cyber security, managed IT and cloud storage. Survey equipment, inspection support and specialist subcontractors can matter where the firm handles condition assessment, refurbishment or site monitoring work.

Why and how to sell to them

Buying triggers tend to appear when a consultancy wins a new framework, takes on more contractor design work, hires additional engineers, changes ownership or prepares for professional-indemnity renewal. Fee pressure and liability risk shape many decisions: tools and services that reduce rework, evidence quality control, improve utilisation or make tender documentation less painful are easier to frame than generic efficiency claims. Leeds structural engineering buyers are often pragmatic and time-poor, so outbound works better when it links to a recognisable project pressure: delayed drawings, version control, cash collection, recruitment gaps, inspection workload or building-control documentation. Credibility usually comes from understanding project stages, not from broad construction-sector messaging.

How this list is built

Methodology

Data sources

This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.

Classification

Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.

Freshness

The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.

Also in Leeds

Related directories

Frequently asked questions

How many structural engineering companies are there in Leeds?
Around 43 actively-trading structural engineering companies are registered in Leeds. Of those, 4 report turnover above £5M in their most recent filed accounts. This Leeds list covers companies across the wider Leeds travel-to-work area, including surrounding towns — not just the Leeds local-authority boundary.
What counts as a structural engineering company in this list?
A company is included when its public website and filed activity descriptions indicate it sells structural engineering products or services as its primary business — not just because of the SIC code it picked at incorporation. Each company is tagged via semantic analysis of its website content; SIC codes are used as supporting signal, not the sole gate.
Which are the largest structural engineering companies in Leeds?
The list is ranked by a sales-readiness score — built from trading signals, financial health and growth rather than raw turnover — so the most actionable structural engineering companies in Leeds appear at the top of the table. Larger firms often still rank highly, because that score rewards genuine trading scale, but the order reflects sales-readiness, not turnover alone. About 4 of the 43 actively-trading firms report turnover above £5M in their most recent accounts; subsidiaries that file consolidated worldwide accounts are excluded so the figures stay comparable across UK filers.
What do structural engineering companies in Leeds actually do?
Structural engineering consultancies in Leeds earn mainly through professional fees, not recurring software-style revenue. Typical income comes from fixed-fee design packages, condition surveys, inspection reports, temporary works advice, expert reviews and variations as project scope changes. Some practices also sit on repeat frameworks or preferred-supplier lists for developers, contractors and estates teams, which gives a more regular pipeline but still leaves revenue tied to project milestones. Pricing is usually built from engineer time, technical risk, drawing and calculation output, site attendance and professional-indemnity exposure. The service is advisory and document-heavy: calculations, drawings, reports, certificates, meeting input and design sign-off rather than a physical product.
How does Leeds structural engineering compare internationally?
Cross-border comparisons of structural engineering populations are tricky because every country defines the sector slightly differently and reports financials on different cadences. We focus this list on firms that file UK statutory accounts so the figures are comparable; international peer breakdowns aren't bundled here.
How is this list built and how fresh is the data?
The list is rebuilt from Companies House dump data, XBRL filings, and a website analysis pass over each company's public site. Companies with consolidated group accounts (worldwide rather than UK-only revenue) are excluded so the figures stay UK-specific. The page's last-updated date is shown at the top.
How big are the typical structural engineering companies in Leeds?
Company sizes in this list vary widely. The median actively-trading structural engineering firm employs around 6 people, and median UK turnover across the list is roughly £685k in the most recent filed accounts.
Are these mostly new or established structural engineering companies?
5 of the 43 actively-trading structural engineering companies in this list were incorporated since 2022; the remainder were incorporated before then, so the Leeds list mixes recent entrants with longer-established firms.
What SIC codes does this use?
Rather than relying solely on SIC codes, we build a semantic understanding of what each company actually does by scraping its website and analysing it with AI. This means a company is included based on what it sells, not what SIC code it picked at incorporation. SIC codes are used as a signal but not the primary classification.
What buying signals should I look for?
The strongest signals for B2B outbound are recent leadership changes (new CFO/CRO), rapid headcount growth, revenue-band changes, and web-stack changes. Firmbase tracks all of these automatically.

Buy all 72 companies as a spreadsheet.

One Excel/CSV file with company details, websites and key data — yours to download and use.