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Civil Engineering Companies in Liverpool: 914 Active Firms (2026)
Civil engineering companies in Liverpool design, build and maintain transport, utilities, water, waste and communications infrastructure across the city region.
Local authority highways teams, utility asset managers, water and waste operators, public-realm commissioners and main-contractor package buyers are the main buying centres. Commercial credibility usually sits in estimating discipline, plant access, site management, health-and-safety systems and subcontractor coordination, rather than in pure design consultancy. The buyers are mostly public-sector bodies, regulated asset owners and main contractors, with private development work feeding groundworks, drainage, access roads and enabling packages. Engagements tend to be tendered packages or framework call-offs, so bid capacity and compliance evidence matter as much as local delivery capacity.
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Liverpool has 914 actively trading civil engineering companies, from small subcontractors to contractors with enough turnover to sit on public and utility supply chains. Only 27 report turnover above £5M, so the revenue base appears concentrated in a relatively thin delivery layer. Another 283 were incorporated since 2022, which points to regular formation at the smaller end. Reported employment totals 1,082 people, giving the cohort a visible workforce footprint alongside owner-managed and subcontract-heavy operating models.
Civil engineering work sits within the UK construction health-and-safety regime, with the Health and Safety Executive setting expectations through the Construction (Design and Management) Regulations. Those rules allocate duties across clients, designers, principal contractors, contractors and workers, so compliance evidence is part of the sale as well as the delivery model. The Civil Engineering Contractors Association frames the market around contractors that build and maintain transport, energy, water, waste and communications networks. ONS construction statistics for Great Britain also point to rising new work and new orders, with private infrastructure contributing to demand.
Contractor formation appears to be outpacing the emergence of larger revenue-scale businesses, leaving a long tail of firms competing for packages below the main framework layer. Compliance pressure under CDM, procurement evidence requirements and subcontractor management tend to favour operators with established commercial, plant and site-management functions. Consolidation may come through subcontractor networks and framework access rather than branded roll-ups. Demand is likely to remain tied to maintenance backlogs, utilities work and public-realm budgets, so the market appears steady but operationally constrained rather than speculative.
914
Active firms
2026
27
£5M-plus firms
Reported revenue above £5M
283
New incorporations
Since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (27 of 914 firms) — the rest sits below that revenue band.
30% of the cohort was incorporated since 2022 (283 firms), so a sizeable share is in its first few filing cycles.
ONS construction statistics for Great Britain put construction new work at £140.7 billion in 2024, up 1.4%.
New orders rose to £71.7 billion in 2024, up 5.6%, with private infrastructure increasing by 15.4%.
Construction (Design and Management) Regulations 2015 set roles and duties for clients, designers, principal contractors, contractors and workers.
The Civil Engineering Contractors Association frames the sector around contractors building and maintaining transport, energy, water, waste and communications networks.
The OECD’s United Kingdom 2024 Economic Survey says investment remains low in international comparison, despite improvements.
Top Liverpool Civil Engineering companies
D T HUGHES BUILDING CONTRACTORS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides building and civil engineering services including domestic construction, landscaping and groundworks, utility network maintenance and upgrades for electricity, gas, water and telecoms, plus…
Serves utility network operators, construction and infrastructure contractors, businesses and homeowners across the Liverpool City Region, Wirral, Chester and North Wales.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
Doocey Support Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and utility contracting services, including construction and maintenance of gas, water and electricity networks, cross‑country pipelines, drainage systems, pumping stations…
Serves utility network operators, infrastructure contractors, public bodies, developers and large estates across the UK, including gas, water, electric, telecoms, transport, defence, healthcare,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Huyton Asphalt Civils Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides asphalt surfacing and civil engineering works for infrastructure projects. Carries out road, car park, footpath and sports surface laying, along with groundworks, site preparation and…
Serves public-sector bodies, councils, highways agencies, rail operators, schools, colleges and healthcare organisations, alongside retail clients, house builders and general construction contractors…
Financial Health
HealthyHealthy · Profitable, Hiring · 13% CAGR over 2y
Location
A & C CIVIL ENGINEERING LTD
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
Jsm Construction (Uk) Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides engineering and construction services for utility infrastructure, including installation of fibre optic networks, electrical substations and power connections. Delivers civil works, network…
Serves B2B customers in energy, telecoms, data centres and renewable energy, including network operators, data centre developers, solar farms, battery storage projects and energy-from-waste schemes.
Financial Health
StrongStrong · Hiring · 73% CAGR over 2y
Location
Tripelec Civil Engineering Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering services for electrical utility infrastructure, including excavation, cable and duct laying, backfilling and reinstatement. Delivers new electricity connections and EV…
Serves ICPs, DNOs, IDNOs, utility contractors and developers needing electrical utility civil works, including residential, commercial, EV charging and renewable energy projects across the UK.
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
HENRY COMMS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides construction and installation services for communications and highway electrical infrastructure, including cable and trench installations, civil works, traffic control equipment, vehicle…
Serves organisations commissioning communications and highways electrical infrastructure projects across the UK, including contractors, transport infrastructure operators and public-sector bodies.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
Consortia Integrated Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides project management, construction, refurbishment and maintenance services for commercial and public sector properties. Delivers transport infrastructure projects, including work on rail…
Serves public and private sector organisations across the UK, especially rail and transport infrastructure operators, commercial property owners, and clients in healthcare, education, offices,…
Financial Health
StableStable · Hiring · 11% CAGR over 2y
Location
P & T Contractors Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and civil engineering services, delivering infrastructure and construction projects. Specialises in energy and utility infrastructure including high‑voltage substations and fuel…
Serves private developers, businesses and community partners needing building and civil engineering delivery, particularly clients in energy and utility infrastructure such as high-voltage…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
ACADIA GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil construction and engineering services including earthworks, civil infrastructure, mining and industrial site work, railway construction, environmental remediation, paving, concrete,…
Serves public- and private-sector infrastructure clients, mining and industrial operators, railway owners, and civil construction contractors.
Financial Health
WeakWeak
Location
Technical Construction Group Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction and civil engineering services including airside construction, groundworks, road and sewer installation, foundations, and commercial fit-outs. Delivers residential housing…
Serves construction clients and developers in aviation, warehouse distribution, highways and social housing, including airports, main contractors, housing estate developers, commercial property…
Financial Health
StableStable · Hiring · 20% CAGR over 2y
Location
N E PLANT SERVICES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides vacuum excavation (suction excavator) equipment hire with operators for construction, civil engineering, and utility projects. Services support safe excavation around underground cables and…
Serves major UK contractors and B2B clients in civil engineering, utilities and construction, including airports, highways, rail, water, gas, power and telecoms operators.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Freedom Group Limited
Trajectory
4y · 2022–NowProvides engineering, maintenance and infrastructure services for power networks and facilities. Activities include electrical and civil design, high‑voltage connections and maintenance, overhead…
Serves B2B and public-sector infrastructure clients, including electricity network operators, private network owners, developers needing grid connections, and estates/facilities managers for schools,…
Financial Health
Insufficient historyInsufficient history
Location
The Macadam Specialist Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides tarmac and asphalt surfacing services for roads, driveways, car parks, footpaths and recreational areas. Carries out road planing, resurfacing, pothole repairs, kerb works and Section 278…
Serves house builders, main contractors, commercial and industrial developers, local authorities and private clients needing surfacing for roads, car parks, new-build estates and maintenance works.
Financial Health
StrongStrong
Location
ARNIAN CIVIL ENGINEERING LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · 0% CAGR over 2y
Location
Pak Construction Management Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Farrell Civil Engineering Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Lawrence Marr & Son Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial building and civil engineering services, including site engineering, structural works, groundwork, refurbishments, and construction of industrial units and building extensions for…
Serves commercial and industrial clients across Liverpool, including schools, industrial unit operators, and manufacturing or engineering businesses commissioning building and civil engineering…
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
Ubique Ground Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides geotechnical engineering and ground investigation services for rail and infrastructure projects. Offers consultancy, site surveys, piling, civil engineering works, rail structure support,…
Serves B2B clients in rail and wider infrastructure, including project owners, contractors and engineering teams delivering small works through major projects from conception to final build.
Financial Health
HealthyHealthy · -17% CAGR over 2y
Location
KNOWSLEY SURFACING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides asphalt and tarmac surfacing services for roads, housing estates, car parks and driveways. Carries out site surveys, planning, sub-base preparation, surfacing and compaction, plus pothole…
Serves UK clients needing surfacing works, including homeowners, housing developers, commercial property owners, schools or sports facilities, and public-sector or facilities teams responsible for…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Pile Breaking Systems (UK) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
SALVESEN (UK) LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides commercial diving, underwater inspection, survey, maintenance and recovery services for shipping and civil engineering projects. Supplies diving teams to inspect vessel hulls, recover…
Serves shipping companies worldwide and civil engineering firms across the UK, including port, marine and infrastructure operators requiring commercial diving and underwater engineering support.
Financial Health
StableStable · -3% CAGR over 3y
Location
ARP ENGINEERING SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -68% CAGR over 4y
Location
BUTTERFLY CONSTRUCTION LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -15% CAGR over 4y
Location
CJF Plumbing & Heating Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Conneely Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
EVOLVE CIVILS AND SURFACING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
TDM Comms Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
Torus Civils Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides waste management services including commercial and industrial waste collection, disposal, recycling and skip hire. Also designs and constructs recycling plants, supplying and installing…
Serves businesses of all sizes, construction sites, manufacturers and multi-site operators, plus private companies, local authorities and waste operators across the UK developing or running recycling…
Financial Health
StrongStrong
Location
BENTHAM BUILDING CIVIL ENGINEERING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 5y
Location
MARTAM LTD
Trajectory
1y · 2024–NowProvides civil construction services including excavation, concrete paving, bridge and structural works, and installation of underground utilities. Delivers infrastructure projects such as roadways,…
Serves government agencies, municipalities, transportation infrastructure owners and private developers, plus qualified subcontractor teams seeking bid opportunities in heavy civil infrastructure…
Financial Health
Insufficient historyInsufficient history
Location
Baseline Contract Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides groundworks, laser grading and civil engineering services for construction projects. Supplies plant and equipment such as laser‑guided grading machinery and delivers managed subcontract…
Serves B2B construction clients, including large groundwork contractors, main contractors and subcontractors that require technical site support and managed, resourced subcontract teams for building…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
JT All Trades Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Alex Owen Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
AL CIVILS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services for infrastructure projects including highways, rail, and structural works. Delivers projects such as road and bypass schemes, cycle paths, and…
Serves public sector infrastructure clients and civil engineering contractors, including local authorities, conservancy bodies and major construction firms in highways, structures and rail sectors.
Financial Health
WeakWeak · Hiring · 41% CAGR over 4y
Location
HEATHFIELD HOUSE MANAGEMENT LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides construction and civil engineering contracting services, including new builds, extensions, refurbishments and interior fit‑outs. Delivers infrastructure and environmental projects such as…
Serves public and private sector clients commissioning construction and civil engineering projects, including healthcare, commercial workspace, life sciences, ports and harbours, transport…
Financial Health
StableStable · 0% CAGR over 4y
Location
MM Contracting Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and infrastructure contracting services, including telecommunications and electrical works, multi-utility installation and maintenance, and electric vehicle charging…
Serves B2B clients in utilities, telecommunications, electricity, civil engineering, multi-utility and EV infrastructure, including organisations procuring infrastructure projects, maintenance and…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
Kilkern Vacuum Excavation Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering and highways contracting services for infrastructure projects, including excavation, highway works and utility installations. Also supplies specialist labour for…
Serves principal contractors, infrastructure owners and public-sector transport bodies across the UK, particularly in highways, rail, water and utilities projects requiring civil engineering support,…
Financial Health
StableStable · 0% CAGR over 2y
Location
Weststone Construction Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and structural construction services, including pre‑construction planning, groundworks, drainage, infrastructure works, basements, reinforced concrete frames, and public…
Serves public and private sector construction clients across defence, education, healthcare, industrial, leisure, residential and renewables projects, including organisations delivering…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
F C E Projects Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering, design and construction services for electricity power distribution networks, supporting installation, maintenance and upgrade of infrastructure for utility companies and…
Serves electricity distribution network operators, utility infrastructure contractors and project stakeholders across Northwest England, North Wales, Merseyside, Cheshire and North Shropshire.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 9% CAGR over 3y
Location
EUROGOLD GROUP LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides groundworks and civil engineering services for residential, commercial and industrial construction projects, including foundation construction, roads and sewers, drainage systems, highway…
Serves housebuilders, commercial and industrial developers, and local authorities in the Northwest needing civil engineering and groundworks contractors for developments and highways projects.
Financial Health
DistressedDistressed · -78% CAGR over 3y
Location
Rehene Multiservice Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering and construction services including building and civil engineering works, reinforced concrete and steel structures, structural alterations, and concrete cutting and controlled…
Serves main contractors, infrastructure owners and public-sector clients on UK construction projects across aviation, commercial, defence and custodial, energy, infrastructure, marine, public…
Financial Health
DistressedDistressed
Location
Gl Telecoms Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides fibre optic telecommunications infrastructure services, including network surveying and design, civil engineering works, and the construction and maintenance of full‑fibre broadband networks…
Serves telecoms operators, infrastructure owners, businesses and local communities across the UK needing full-fibre network delivery, upgrades and maintenance for urban and rural connectivity…
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 2y
Location
Quinn Developments NW Limited
Trajectory
4y · 2019–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering and groundworks services for construction projects, including building foundations, road construction, sewer connections, bulk earthworks and drainage works. Also delivers…
Serves public-sector bodies and private construction clients, including housebuilders, developers and contractors, across the North West and North Wales; also addresses domestic drainage customers.
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 6y
Location
Sefton Surfacing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides asphalt and tarmac surfacing services for roads, car parks, driveways and footpaths. Carries out groundworks, drainage and reinstatement works, and supplies plant and labour for civil…
Sells to domestic and commercial customers needing surfacing works, including homeowners, private businesses, local authorities, schools and educational establishments, and major industry clients,…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
O'ROURKE CONSTRUCTION LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services, including cable installation and pulling, kerbing works, deep drainage installation, shot blasting, and construction of concrete pathways and…
Serves business and public-sector clients needing civil engineering contractors for projects in heavily regulated environments, including large-scale cable installation, kerbing, drainage, pathways…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
EPC CIVIL ENGINEERING LIMITED
Trajectory
2y · 2022–NowFinancial sub-scores
Computed from 2 filingsProvides civil engineering and groundworks services for construction projects, including bulk earthworks, land remediation, concrete substructures, drainage, and roads and sewers installation.…
Sells to medium-sized civil engineering and principal contractors across the UK, including construction companies and infrastructure project teams needing subcontract groundworks and civil…
Financial Health
HealthyHealthy · Hiring · 33% CAGR over 1y
Location
A O'ROURKE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering and construction services for large infrastructure and building projects. Delivers design, manufacturing, project management and construction across sectors including rail,…
Serves public-sector bodies and large private-sector clients commissioning major infrastructure and building projects, including healthcare, rail, defence, science and research, data centres, energy,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Gibbs Surfacing (Northern) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides road and asphalt surfacing services for construction and infrastructure projects, including machine‑laid and hand‑laid paving, cold milling, line marking, and associated civil engineering…
Targets B2B and public-sector buyers, including construction contractors, local authorities, highways, rail, retail, leisure, industrial and residential project clients across the UK.
Financial Health
StrongStrong · Growing, Hiring · 49% CAGR over 2y
Location
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How Liverpool Civil Engineering companies work and how to sell to them
What they do
Revenue usually comes from priced work packages: fixed-price tenders, schedule-of-rates maintenance, dayworks and framework call-offs. Liverpool civil engineering contractors sell delivered work rather than advisory output, combining labour, plant, materials, traffic management, subcontractors and site supervision. Margin depends on estimating accuracy, programme control, plant utilisation and how well variations are documented. Smaller jobs may be repairs, drainage, enabling works or public-realm packages; larger contracts tend to involve staged valuations, retentions, payment applications and formal change control. Services revenue may sit around the edges, but the commercial centre is still physical delivery under construction-contract discipline.
Who they sell to
Typical buyers include council highways and public-realm teams, utility and waste operators, regulated asset owners, housebuilders, commercial developers and main contractors buying specialist packages. Decision-makers tend to include procurement managers, quantity surveyors, project managers, operations directors, commercial managers and health-and-safety leads, with finance involved where credit terms or bonding matter. Smaller works can be won through repeat local relationships and invited quotes. Larger opportunities usually pass through procurement portals, framework competitions, pre-qualification questionnaires or main-contractor supply-chain approvals. Sales cycles often stretch because method statements, insurances, accreditations, pricing schedules and site references all have to line up before award.
What they buy
Most civil engineering firms tend to spend on tools and services that reduce commercial leakage or keep sites moving. Relevant categories include estimating and take-off software, bid management, project controls, document control, health-and-safety compliance, workforce scheduling, plant and fleet management, payroll, accounting, subcontractor onboarding and credit control. They also buy training, insurance advice, legal support for contract disputes, recruitment for quantity surveyors and site managers, marketing for framework credibility, and outsourced finance support where cash collection is lumpy. Infrastructure sellers may find demand around mobile connectivity, site security, surveying equipment, temporary works support, equipment hire, fuel management and waste-handling arrangements.
Why and how to sell to them
Civil engineering buyers tend to evaluate vendors when workload rises faster than back-office capacity, when a framework win creates new compliance obligations, or when poor variation recovery starts to erode margin. Other triggers include leadership changes, a move from subcontractor to principal-contractor duties, plant expansion, insurance renewal, recruitment gaps or repeated tender losses. Outbound works better when it links to observable pressures: bid deadlines, CDM 2015 evidence, site reporting, payment delays, subcontractor control and audit trails for public-sector work. Claims about growth are less persuasive than proof that a supplier can help protect margin, reduce admin time or make pre-qualification less painful.
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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