Structural Engineering Companies in the UK: 1,085 Active Firms (2026)
Structural engineering companies in the UK design, assess and advise on safe, efficient buildings, bridges and other structures.
Buying centres sit with developers, main contractors, asset owners and public-sector infrastructure teams rather than a single software-style budget holder. Work is usually procured as professional services: concept and detailed design, structural surveys, temporary works advice, peer review, inspection and remediation planning. Commercial and residential development generates repeat project work, while bridges, estate renewal and complex refurbishment tend to bring longer procurement cycles, more formal assurance and higher professional-indemnity scrutiny. Engagements are often multidisciplinary, with structural engineers working alongside architects, civil engineers, quantity surveyors, building-control teams and health-and-safety advisers.
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There are 1,085 actively trading structural engineering companies in the UK, giving researchers a compact but not niche population compared with broader construction consultancy. Reported headcount totals 3,182 people, reflecting direct employment rather than the wider construction labour chain around each project. The cohort spans small specialist practices, multi-discipline engineering consultants and higher-turnover design advisers. Demand tends to move with construction new work, infrastructure programmes, asset maintenance and refurbishment, so workloads can be project-led rather than subscription-like.
Practice is standards-led rather than controlled through a firm-licensing regime. The UK Regulated Professions Register treats Chartered Structural Engineer as an accreditation-based regulated profession, with restrictions applying to use of title rather than to reserved activities. Protected titles include Chartered Structural Engineer with MIStructE and FIStructE designations. Day-to-day compliance is therefore shaped by building control, health and safety duties, procurement rules and professional-indemnity requirements, especially where firms advise on public infrastructure, high-occupancy buildings, bridges, adaptation work or refurbishment.
Future development appears likely to favour practices that can evidence assurance, specialist inspection capability and professional-indemnity discipline, not simply additional design capacity. Clients tend to ask for clearer responsibility across refurbishment, adaptation and asset-life extension, because older structures carry technical and liability risk that is difficult to price. Smaller practices may remain viable where they hold local relationships or narrow expertise, while consolidation among multi-discipline consultants has been a route to broader tender eligibility. The constraint is likely to be qualified engineering capacity, with protected-title requirements keeping the talent pool relatively bounded.
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
Verified directors — included
1,085
Active firms
2026
159
£5M+ firms
Reported revenue
67
Recent incorporations
Incorporated since 2022
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Key facts
About 14% of the trading cohort reports turnover above £5M (159 of 1,085 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (67 firms), so a sizeable share is in its first few filing cycles.
The UK Regulated Professions Register treats “Chartered Structural Engineer” as an accreditation-based regulated profession, with reserved activities listed as “None - restrictions apply to use of title only”.
Protected titles are “Chartered Structural Engineer (MIStructE and FIStructE)”, so firm work is shaped more by competence, procurement and liability controls than by a firm-level licence.
ONS reported construction new work in Great Britain at £140.7 billion in 2024, up 1.4%, and construction new orders at £71.7 billion, up 5.6%.
The Association for Consultancy and Engineering reported that engineering consultancy contributed £39.5bn to UK GDP in 2023 and generated over £11bn in global exports.
International comparisons are usually made through broader engineering consultancy, construction or architecture-and-engineering services categories rather than a structural-only classification.
Top UK Structural Engineering companies
Financial sub-scores
Computed from 5 filingsProvides civil, structural and geotechnical engineering consultancy services, including concept and detailed design, structural assessment, construction engineering, inspection, and technical…
Serves public and private infrastructure clients, contractors and project teams delivering bridges, buildings, tunnels, rail, road, water, energy and aviation projects, including complex civil…
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 3 filingsProvides civil and structural engineering consultancy services, including bridge and infrastructure design, inspection and assessment. Conducts non‑destructive testing, structural monitoring,…
Serves private and public sector organisations across the UK, including clients in rail, highways, water, energy, legal, and commercial and residential construction.
Financial Health
StrongStrong · 20% CAGR over 1y
Location
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Computed from 3 filingsProvides civil and structural engineering consultancy specialising in bridges and infrastructure, including design, strengthening and repair planning, bridge inspections, structural monitoring,…
Serves private and public sector clients across the UK, including infrastructure owners and project teams in rail, highways, water, energy, legal, commercial and residential construction sectors.
Financial Health
StableStable · -35% CAGR over 2y
Location
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Computed from 4 filingsProvides engineering consultancy for the built environment, including civil and structural engineering, transport planning, geotechnical and environmental services, infrastructure design, and…
Serves built-environment clients, including property developers, local authorities, universities, healthcare organisations, life sciences campuses, and sports and leisure operators delivering…
Financial Health
StableStable · Profitable · 1% CAGR over 3y
Location
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Computed from 4 filingsProvides multidisciplinary engineering consultancy services for the built environment, including civil and structural engineering, building services (MEP), façade engineering, transport and…
Serves developers, architects, contractors and public/private sector clients delivering built-environment projects, including offices, residential, education, aviation, hotels, retail, energy,…
Financial Health
StrongStrong · Profitable, Hiring · 8% CAGR over 3y
Location
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Computed from 2 filingsProvides civil and structural engineering consultancy services for built environment and infrastructure projects. Offers expertise in bridges, geotechnical and structural engineering, transport…
Serves developers, contractors, infrastructure owners and public-sector clients delivering buildings, transport, water and civil infrastructure projects across commercial, residential, rail, roads,…
Financial Health
StrongStrong · Hiring · 13% CAGR over 1y
Location
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Computed from 5 filingsProvides structural engineering consulting and building engineering services for construction and infrastructure projects. Offers design, analysis and investigation services including façades,…
Serves B2B and public-sector clients including developers, architects, contractors, insurers, government bodies, infrastructure owners, and operators in commercial, aviation, healthcare, education,…
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsProvides structural and civil engineering consultancy services including design engineering, geotechnical and environmental advice, structural inspections and surveys, pre‑planning support, and…
Serves UK construction clients, including property developers, contractors, architects and other project teams needing civil, structural and geotechnical engineering input, plus parties requiring…
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
Location
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Computed from 3 filingsProvides structural engineering consultancy services, including structural design and detailing for new build developments and building refurbishments. Conducts surveys, inspections and structural…
Serves B2B clients in property development and construction, including teams delivering new-build, refurbishment, residential and mixed-use schemes, plus projects requiring rail or highway approvals.
Financial Health
WeakWeak · -4% CAGR over 2y
Location
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Computed from 3 filingsProvides civil and structural engineering and transport planning consultancy services. Offers feasibility studies, geotechnical engineering, permanent and temporary works design, design checking,…
Serves UK project owners, developers, contractors and delivery partners in rail, marine, infrastructure and renewables, across new-build and refurbishment projects.
Financial Health
StableStable · Hiring · 16% CAGR over 2y
Location
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Computed from 5 filingsProvides structural and civil engineering consultancy services, including structural design, conservation and refurbishment engineering, building inspections, SER certification, BIM modelling, expert…
Serves property developers, architects, contractors, public and community bodies, schools, hospitality operators, distilleries, industrial/commercial clients and owners of residential, conservation…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
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Computed from 5 filingsProvides civil and structural engineering consultancy services for construction projects, including structural, civil and glass engineering design, building surveying, health and safety advice,…
Serves construction and property clients across the UK, including developers, contractors and asset owners in retail, healthcare, commercial, industrial, residential, education, leisure, historic and…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides engineering consultancy services for the built environment, including civil and structural engineering, geo‑environmental assessments, transport planning, and utilities consultancy,…
Serves national and regional developers, housebuilders and land agents across the UK, including public and private sector clients involved in residential, commercial and infrastructure developments.
Financial Health
StrongStrong · Hiring · 11% CAGR over 5y
Location
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Computed from 3 filingsProvides structural engineering and built‑environment consultancy services. Works with architects and developers on building and infrastructure projects, offering structural design, sustainability…
Serves B2B and public-sector clients in the built environment, including developers, architects and project teams for workplace, hotel, leisure, heritage, infrastructure and civic building projects.
Financial Health
StrongStrong · Profitable · -0% CAGR over 2y
Location
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Computed from 3 filingsProvides structural, civil and geotechnical engineering consultancy for building and infrastructure projects. Offers structural design, rail interface engineering, building information modelling…
Serves property developers, architects, contractors and asset owners delivering residential, commercial, science and research, rail, hospitality, mixed-use, retail and refurbishment projects.
Financial Health
WeakWeak · 0% CAGR over 2y
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Computed from 3 filingsProvides civil, structural and geoenvironmental engineering consultancy services. Undertakes structural design, geotechnical investigations, drainage and flood risk assessments, infrastructure and…
Serves UK clients in commercial, residential, education, healthcare, retail/leisure, distribution, heritage/ecclesiastical, industrial/pharmaceutical, energy, infrastructure and civil works sectors.
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
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Provides structural and civil engineering consultancy services for construction projects, including design and analysis of structures, highways, bridges, geotechnical works and drainage systems,…
Serves B2B clients across the construction industry, including project teams for building, infrastructure, research facility and data centre projects in the UK and internationally.
Financial Health
N/AN/A
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Computed from 3 filingsProvides structural and civil engineering consultancy for construction projects. Services include design of reinforced concrete, steel and timber frames, roads and drainage, flood risk assessments,…
Serves B2B construction and property project teams, including developers, contractors, architects, healthcare and education clients, on residential, commercial, leisure and public-sector projects,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides structural and civil engineering design services for construction projects, including concept and detailed design, 3D modelling and analysis, and site supervision. Works on new builds,…
Serves B2B and public-sector clients commissioning construction projects across the UK, including developers, contractors and project teams in housing, high-rise, refurbishment, regeneration,…
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
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Computed from 4 filingsProvides civil and structural engineering consultancy services for construction and property development projects. Delivers structural design, infrastructure planning, and engineering support for…
Serves property developers, contractors and public-sector framework clients commissioning residential, education, healthcare, retail, commercial, retirement living, community building, refurbishment…
Financial Health
StableStable · Hiring · 6% CAGR over 3y
Location
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Computed from 3 filingsProvides structural engineering services for construction projects, including design and analysis of building structures, stadia and event venues, bridges, façades, and complex geometries. Also…
Serves domestic homeowners plus commercial and public-sector project teams across building structures, stadia and events venues, bridges, complex geometry, facades and refurbishment projects.
Financial Health
StrongStrong · Hiring · 19% CAGR over 2y
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Computed from 5 filingsProvides civil and structural engineering consultancy for building and infrastructure projects. Services include structural and civil design, digital modelling, building condition appraisals, and…
Serves B2B clients across the built environment, including property developers, architects, major contractors and building owners needing support on new-build, refurbishment and specialist…
Financial Health
StrongStrong
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Computed from 3 filingsProvides civil and structural engineering consultancy services, including infrastructure and temporary works design. Offers topographical and measured building surveys, 3D laser scanning,…
Serves public and private sector property clients across the UK, including education and healthcare estates, registered social landlords, private developers and contractor-developers delivering…
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StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides structural and civil engineering design consultancy for construction projects, including temporary works, permanent works, geotechnical engineering, and digital engineering using BIM and…
Serves construction-sector clients, including contractors, developers and project teams delivering building, infrastructure, temporary works, demolition and civil engineering projects of varying…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides civil and structural engineering consultancy for construction projects, including structural, civil, drainage and highways design, flood risk assessments, temporary works design,…
Serves B2B and public sector clients commissioning construction consultancy, including power and utilities, water authorities, commercial and industrial developers, retail operators, local…
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StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides civil, structural and geotechnical engineering consultancy services, including structural and foundation design, drainage and infrastructure design, site investigations, flood risk…
Serves residential property owners and developers, commercial and industrial clients, and public/community organisations involved in building, refurbishment, infrastructure, heritage and…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
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Computed from 5 filingsProvides civil and structural engineering consultancy including structural inspections, asset assessments, defect monitoring, load calculations and finite element analysis, and design of new or…
Serves organisations responsible for infrastructure and structural assets, including transport system operators, asset managers, engineering contractors and custodians of listed or conservation…
Financial Health
HealthyHealthy · -16% CAGR over 4y
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Computed from 3 filingsProvides civil and structural engineering consultancy services for building and infrastructure projects, including structural design and analysis, road and drainage design, SuDS design, feasibility…
Serves private developers, local authorities, housing associations, insurers, and organisations with retail, commercial and industrial property interests, including blue-chip businesses.
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HealthyHealthy · 0% CAGR over 2y
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Computed from 3 filingsProvides consulting structural and civil engineering services for construction projects, including structural design, civil infrastructure design, engineering analysis, reporting, and project…
Serves construction-sector clients across Northern Ireland, Ireland and the UK, including developers, architects, contractors, public bodies and education or transport project owners.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
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Computed from 3 filingsProvides structural and civil engineering design and consultancy for building projects, including education, residential, workplace, health, cultural and heritage developments. Also works on…
Serves UK construction and property clients, including organisations commissioning education, cultural, leisure, workplace, healthcare, residential, reuse and heritage projects.
Financial Health
WeakWeak · 0% CAGR over 2y
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Computed from 5 filingsProvides civil and structural engineering consultancy for infrastructure projects, including design, CAD and BIM modelling, feasibility studies, tender support, temporary works design and design…
Serves infrastructure-sector organisations, including energy and transport network project teams, contractors and asset owners delivering civil engineering, structural and Net Zero-related…
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StrongStrong · Growing, Hiring · 33% CAGR over 4y
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Computed from 5 filingsProvides civil and structural engineering consultancy services for construction and development projects. Designs building structures, infrastructure, drainage, highways and external works, and…
Serves property developers, contractors, architects and commercial clients in the UK built environment, including residential, retail, leisure, logistics and infrastructure projects.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
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Computed from 5 filingsProvides structural and civil engineering consultancy services including structural design and analysis, forensic investigations, temporary works design, infrastructure and drainage engineering,…
Serves UK commercial developers, public sector bodies and domestic clients across hotel and leisure, health, education, industrial, retail, conservation and residential projects.
Financial Health
WeakWeak · -66% CAGR over 4y
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Computed from 3 filingsProvides structural and civil engineering consultancy services, including highways and transport planning, drainage and flood risk assessment, building information modelling, structural inspections…
Serves public and private sector clients across East Anglia, including civic bodies, developers, schools, healthcare providers, industrial/offshore operators, renewable energy projects and…
Financial Health
StableStable · 4% CAGR over 2y
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Computed from 3 filingsProvides structural and civil engineering design and advisory services for building and infrastructure projects. Offers consultancy on sustainable design, embodied carbon reduction, and structural…
Serves property developers, architects, contractors and public or cultural-sector clients commissioning complex building and infrastructure projects across international markets.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
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Computed from 5 filingsProvides structural and civil engineering design services for construction projects. Works with developers, architects and contractors on buildings, bridges, basements and infrastructure, delivering…
Serves B2B clients such as developers, architects and technical specialists delivering complex built-environment projects, including commercial, transport, retail, leisure, hospitality and urban…
Financial Health
WeakWeak · -67% CAGR over 4y
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Computed from 4 filingsProvides structural and civil engineering consultancy for construction projects. Services include engineering design, assessments and technical advice from pre‑acquisition and planning through to…
Serves public- and private-sector clients commissioning construction projects across education, industrial, residential, commercial and retail, healthcare, care homes, heritage, automotive, and…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
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Computed from 5 filingsProvides structural and civil engineering consultancy for building projects, working with architects, developers and contractors. Services include engineering design for residential, commercial,…
Serves architects, property developers and construction contractors in the UK and internationally, across residential, commercial, cultural, sports, heritage refurbishment and infrastructure-related…
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StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 3 filingsProvides civil and structural engineering consultancy services for construction projects, including design and analysis for new-build developments and complex refurbishments. Works across sectors…
Serves public and private sector clients across the UK in construction-related industries, including theme parks, leisure, residential, commercial, industrial, waste and recycling, and education.
Financial Health
HealthyHealthy · -5% CAGR over 2y
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Computed from 3 filingsProvides structural and civil engineering consultancy and contracting services, including geotechnical investigations, subsidence assessment, foundation systems, heritage and party wall advice, and…
Serves UK public and private sector infrastructure owners, rail, aviation and highways operators, commercial property clients, insurers, telecoms network operators, and residential homeowners or…
Financial Health
HealthyHealthy · -21% CAGR over 2y
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Computed from 3 filingsProvides civil and structural engineering consultancy services, delivering design and analysis for building and infrastructure projects. Works on safety-related nuclear, defence and commercial…
Serves organisations commissioning safety-related nuclear, defence and commercial projects, including businesses and public-sector bodies needing civil and structural engineering design support.
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StrongStrong · Growing · 0% CAGR over 2y
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Computed from 5 filingsProvides civil and structural engineering consultancy for construction projects, including structural design, drainage and infrastructure design, geotechnical input, surveys and technical reports.…
Serves private and public sector construction clients, including architects and developers, across retail, healthcare, commercial, hotel, residential, education, heritage, leisure and industrial…
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StableStable · 0% CAGR over 4y
Location
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Computed from 4 filingsProvides civil and structural engineering and surveying consultancy services. Works on building and infrastructure projects across sectors including residential, education, commercial, industrial and…
Serves property developers, contractors, insurers and organisations commissioning building projects across residential, education, commercial, industrial, healthcare and student accommodation sectors…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 3y
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Computed from 5 filingsProvides civil and structural engineering consultancy services, including structural design and analysis for building projects. Works with architects and developers on commercial, residential,…
Serves B2B and public sector clients involved in building projects, including commercial, education, industrial, leisure, health, residential and public building developers, owners, architects and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides structural and civil engineering consultancy for building projects, including design and analysis of commercial, residential, education and heritage structures. Services include BIM…
Serves property developers, architects, contractors and private homeowners on UK and overseas building projects, spanning commercial, residential, education, community, heritage, retail and leisure…
Financial Health
WeakWeak · -6% CAGR over 4y
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Computed from 5 filingsProvides consulting civil and structural engineering services for construction projects. Works with developers and design‑and‑build contractors to deliver structural design, engineering analysis and…
Sells to businesses in the construction and property sectors, particularly design-and-build contractors and property developers, across a wide range of project types in the UK and selected…
Financial Health
StableStable · 1% CAGR over 4y
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Computed from 3 filingsProvides civil and structural engineering consultancy services, including infrastructure and highway design, flood risk assessments, sustainable drainage systems, hydraulic modelling, structural…
Serves UK commercial developers, private equity funds, life sciences organisations, contractors, retailers, health trusts, housing associations, schools and public sector bodies including defence,…
Financial Health
StableStable · -12% CAGR over 2y
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Computed from 3 filingsProvides civil, structural, geotechnical and environmental engineering consultancy for construction and real estate developments. Services include design, project management, site contamination…
Serves private-sector property developers and construction clients in the UK real estate market, including residential, student accommodation, commercial, retail, industrial, logistics, hotel,…
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HealthyHealthy · Growing · 0% CAGR over 2y
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Computed from 3 filingsProvides civil and structural engineering design and consultancy for construction projects, including residential, commercial, education and mixed‑use developments. Services include structural…
Serves UK built-environment clients, including property developers, main contractors and project teams delivering residential, student living, workplace, mixed-use, education, healthcare, industrial,…
Financial Health
StrongStrong · Hiring · 24% CAGR over 2y
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Computed from 5 filingsProvides structural engineering services including design and analysis for buildings, bridges and civil infrastructure. Also delivers temporary works design, structural assessments, inspections and…
Serves UK private homeowners, commercial clients, property developers and contractors, plus public-sector and infrastructure buyers in active travel, blue light, rail, residential, roads and…
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StrongStrong · Growing, Hiring · 16% CAGR over 4y
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How UK Structural Engineering companies work and how to sell to them
What they do
Revenue usually comes from fee-based consultancy rather than recurring product sales. Smaller assignments may be priced as fixed-fee surveys, calculations or remedial advice, while larger design appointments are staged across feasibility, planning, detailed design, construction support and handover. Some practices also earn through retained framework positions, expert-witness work, temporary works checking or asset-inspection programmes. Pricing tends to combine day rates, lump-sum project fees and variation claims when the brief changes. Margins depend on utilisation, senior engineer review time, professional-indemnity cost and the ability to avoid unpaid scope creep once drawings, site conditions and client instructions start to move.
Who they sell to
Buyers are usually project owners or project controllers: commercial developers, housebuilders, main contractors, infrastructure teams, local authorities, housing associations and estates functions. The decision maker may be a development director, project director, technical director, commercial manager, estates lead or procurement officer, with architects and quantity surveyors often shaping the shortlist. Private work is commonly won through relationships, referrals and negotiated proposals; public and infrastructure work more often passes through frameworks, pre-qualification and formal tendering. Contract size and cycle length vary with project risk. A straightforward extension can move quickly, while bridge, high-rise, hospital, school or estate-renewal work tends to carry longer assurance and sign-off.
What they buy
Most structural engineering firms tend to spend on tools that protect billable time, reduce rework and make technical assurance easier to evidence. Relevant categories include structural analysis software, CAD and BIM tools, document control, project accounting, time recording, resource planning, proposal management and CRM. Practices with site-heavy inspection work may also buy survey equipment, mobile field reporting, drone services, asset registers and secure file-sharing for drawings and photographs. Around the back office, common needs include professional-indemnity brokerage, legal support for appointments and collateral warranties, quality-management advice, cyber security, finance, payroll, recruitment, training and marketing aimed at framework bids or specialist referral channels.
Why and how to sell to them
Commercial intent often appears when a practice wins a framework place, takes on a larger design-and-build workload, opens a regional office, hires senior technical staff or moves into inspection-heavy refurbishment. Common pressures include fee undercutting, late design changes, professional-indemnity renewal, document version control, skills shortages and cash collection on staged work. Outbound messages usually land better when they connect to these operational constraints rather than generic growth. Useful angles include improving utilisation visibility, reducing unpaid variation leakage, tightening quality checks before issue, speeding tender responses, evidencing competence for public procurement and helping senior engineers spend less time on administration without weakening technical review.
How this list is built
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.
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Frequently asked questions
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