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Civil Engineering Companies in the UK: 48,000+ Active Firms (2026)
Civil engineering companies design, build and maintain transport, energy, water, waste and communications infrastructure across the UK.
Buying centres tend to sit with public-sector infrastructure clients, local authorities, regulated utilities, network operators and private developers carrying planning or asset obligations. Procurement is usually run through bid, commercial, engineering, project-control and health-and-safety teams rather than a single buyer. The better-matched suppliers have delivery capacity across multiple sites, with civil engineers, quantity surveyors, project managers and site operations staff working around tendered scopes, measured work and change control. Engagements are often framework-based, term maintenance contracts or design-and-build packages, so sales cycles are formal and evidence-heavy: insurance, safety performance, accreditations and delivery history can matter as much as price.
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48,878 civil engineering firms are actively trading in the UK, giving the sector a long tail of contractors, design-and-build specialists and project-delivery entities. Scale is uneven: 1,199 companies report turnover above £5M, while 13,312 were incorporated since 2022. Reported employment totals 11,166 people, so the headcount footprint sits well below the apparent legal-entity count. That pattern fits a market in which framework work, subcontract chains and project-specific vehicles can multiply company numbers without implying equivalent delivery capacity.
UK civil engineering work sits inside the construction health-and-safety regime rather than a standalone infrastructure regulator. The Health and Safety Executive frames the Construction (Design and Management) Regulations around project notification, construction and building work, legal duties and defined roles for clients, designers, principal contractors, contractors and workers. The Civil Engineering Contractors Association provides the trade-body reference point for contractors building and maintaining infrastructure networks. ONS construction releases also matter for context: current-price new work and new orders have been rising, with private infrastructure among the contributors, so capacity and pricing conversations tend to be tied to the wider construction cycle.
Commercially, the cohort appears split between small civil contractors with local tender exposure and a narrower group able to carry multi-site delivery, bonding, insurance and safety-management obligations. Procurement tends to favour firms that can evidence delivery history, governance and balance-sheet resilience, which may keep scale-up paths slower than in lighter-services markets. Newer entrants are likely to cluster around specialist packages, maintenance niches and subcontract roles before winning framework positions. Consolidation remains plausible where owners need broader regional coverage or complementary technical capability, but the sector’s project risk and working-capital demands limit easy roll-up stories.
48,878
Active firms
2026
1,199
Above £5M
Revenue-screened firms
13,312
Since 2022
New incorporations
Key facts
About 2% of the trading cohort reports turnover above £5M (1,199 of 48,878 firms) — the rest sits below that revenue band.
27% of the cohort was incorporated since 2022 (13,312 firms), so a sizeable share is in its first few filing cycles.
The Construction (Design and Management) Regulations 2015 set duties for clients, designers, principal contractors, contractors and workers.
The Health and Safety Executive regime covers project notification, construction and building work, legal requirements, and role responsibilities.
ONS construction statistics for Great Britain put new work at £140,684 million in 2024, up 1.4% in current prices.
New construction orders rose by 5.6% to £71,707 million in 2024, with private infrastructure among the main contributors at 15.4% growth.
The Civil Engineering Contractors Association frames the contractor base around transport, energy, water, waste and communications infrastructure networks.
Top UK civil engineering companies
VCMP UK LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides construction and civil engineering services for building and infrastructure projects. Delivers major projects and specialist works including ground engineering, structural works, nuclear…
Serves UK public-sector bodies, local authorities, healthcare organisations and large private-sector clients commissioning major building, civil engineering and infrastructure projects, plus local…
Financial Health
WeakWeak · Hiring · 15% CAGR over 1y
Location
ADMAN CIVIL PROJECTS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering and construction services for infrastructure projects, including roads and bridges, rail, utilities, marine and river works, ports, renewable energy facilities, and…
Serves public and private sector infrastructure clients, including utilities, transport and rail authorities, energy and renewables developers, ports and harbours, and commercial and industrial…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 8% CAGR over 3y
Location
TECOZAM UNITED KINGDOM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services for infrastructure projects, including railways, bridges, tunnels, hydraulic works, and transport facilities. Delivers design, engineering, and…
Serves organisations commissioning large-scale civil engineering infrastructure, including rail, land transport, port, airport and hydraulic projects; a mix of public-sector bodies, infrastructure…
Financial Health
StrongStrong · Growing, Hiring · 70% CAGR over 4y
Location
CHARLES BRAND LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and construction services for marine, infrastructure, rail and utilities projects. Activities include harbour and coastal works, flood defence schemes, offshore wind…
Serves public and private sector clients in marine, infrastructure, rail and utilities, including port operators, transport authorities, rail networks, utility providers and energy developers.
Financial Health
WeakWeak · Profitable
Location
GEORGE LESLIE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides heavy civil engineering and construction services, delivering infrastructure projects including water and wastewater systems, flood protection works, marine structures, and energy and power…
Serves public-sector bodies, utilities and infrastructure owners across Scotland and beyond, particularly water companies, port and marine asset operators, energy providers and flood protection…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
Location
ADMAN GROUP LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides construction and civil engineering services for infrastructure projects including roads, bridges, rail, utilities, marine works, energy and renewable installations, and commercial or…
Serves public-sector bodies, infrastructure owners and commercial/industrial clients across roads, rail, utilities, marine works, energy, renewables, public realm and industrial building projects.
Financial Health
DistressedDistressed
Location
Alpha Construction Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides civil engineering and building contracting services for infrastructure and industrial projects, including energy facilities, water and effluent treatment works, flood defence schemes,…
Serves business and public-sector clients across the UK in retail and commercial property, energy, waste management, water, flood defence, industrial, and potable/effluent treatment sectors.
Financial Health
HealthyHealthy · Profitable · -4% CAGR over 1y
Location
A E YATES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil and ground engineering services for public and private sector infrastructure projects, including water and wastewater systems, roads, bridges, drainage and flood schemes, and…
Serves public and private sector infrastructure clients, main contractors and developers across water, highways, rail, ports, energy, residential and urban renewal projects.
Financial Health
StableStable · -67% CAGR over 4y
Location
Swietelsky Construction Company Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction and civil engineering services, including building construction, road and bridge works, railway infrastructure, and tunnel projects. Undertakes development and delivery of…
Serves public authorities, infrastructure owners, rail operators, property developers and commercial clients commissioning major building and civil engineering projects.
Financial Health
HealthyHealthy · Profitable, Hiring · 10% CAGR over 2y
Location
C.R. Reynolds Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering, rail infrastructure, and building construction services. Delivers roadworks, bridges, regeneration and infrastructure projects under traditional, design-and-build, and…
Serves UK public sector bodies, local authorities, infrastructure owners, rail clients and commercial developers commissioning civil engineering, rail and building works contracts.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 2y
Location
JACKSON CIVIL ENGINEERING LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering contracting and consulting services for infrastructure and environmental projects, including flood and coastal defences, highways, bridges, pumping stations and water…
Serves public-sector and regulated infrastructure clients across the UK, including local authorities and environmental or waterway asset owners commissioning transport, flood defence, coastal and…
Financial Health
StrongStrong · -99% CAGR over 1y
Location
BETHELL UTILITY SERVICES LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering and utility infrastructure services, including design and installation of water, gas and electricity connections. Delivers groundworks, reinforced concrete structures,…
Serves blue-chip infrastructure clients, water authorities, residential and high-rise developers, and industrial and commercial organisations with civil, utilities, transport, energy and telecoms…
Financial Health
HealthyHealthy · Profitable · 0% CAGR over 3y
Location
Bridge Civil Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering construction services including highways and urban regeneration works, water and sewer infrastructure, flood defence and coastal projects, geotechnical works, reinforced…
Serves public and private sector clients across the South West needing civil engineering contractors for highways, water and sewerage, flood defence, power infrastructure, industrial buildings and…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
M & A Doocey Civil Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and utility infrastructure services including installation and maintenance of gas, water and electricity networks, cross‑country pipelines, sewerage and drainage systems,…
Serves utility providers, infrastructure contractors, developers and public-sector bodies across the UK, including water, gas, electricity, telecoms, transport, defence, healthcare, education and…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
CHARLES BRAND GROUP HOLDINGS LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services for marine, infrastructure, rail and utilities projects, including harbour upgrades, flood defence schemes, offshore wind landfall works,…
Sells to public- and private-sector infrastructure clients needing civil engineering work in marine, infrastructure, rail and utilities, including ports, transport bodies, utility providers and…
Financial Health
StableStable · -17% CAGR over 1y
Location
PRO RAIL SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides railway infrastructure contracting services including surveying, design, project management and asset protection. Carries out drainage works, vegetation management, structural examinations,…
Serves Network Rail and other rail-sector clients, including infrastructure owners, operators, contractors and developers working on UK rail, light rail, highways-adjacent, aviation and water…
Financial Health
StableStable · -64% CAGR over 4y
Location
CK Rail Solutions Ltd
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides engineering and construction services for railway infrastructure projects, including design, electrification systems, civil engineering works, earthworks, drainage, vegetation management,…
Serves UK rail infrastructure owners, operators and main contractors, including Network Rail, on small to multi-million-pound railway and civil engineering projects.
Financial Health
StableStable · Hiring · 69% CAGR over 1y
Location
ND SUPPORT SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering contracting and maintenance for highways and infrastructure projects, including bridge construction, structural repairs, steelworks and fabrication. Also offers consultancy…
Serves public-sector highways and infrastructure clients, especially local authorities, alongside private civil engineering organisations and construction contractors managing bridge, structural…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
SEIVWRIGHT BROTHERS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and public works contracting, including road surfacing, groundworks, and installation and maintenance of utility infrastructure such as water, sewer, telecommunications and…
Serves public-sector, utility and construction-sector clients, including water, sewer and telecoms infrastructure operators, main contractors and organisations commissioning surfacing, groundworks…
Financial Health
HealthyHealthy · -90% CAGR over 2y
Location
Suttle Projects Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and piling contracting services for infrastructure and environmental projects. Works include ground engineering, earthworks, drainage, bridgeworks, coastal and marine…
Serves organisations in rail, highways, coastal and marine, rivers and watercourses, utilities and environmental infrastructure sectors, including clients commissioning complex civil engineering…
Financial Health
HealthyHealthy · Growing · 1% CAGR over 4y
Location
SAS Utilities Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and utility contracting services, including fibre optic cable installation and splicing, traffic management, utility pole and overhead line work, reinstatement and…
Serves utility providers, telecoms and fibre network operators, infrastructure contractors and project owners across the UK, from small local works to long-term strategic replacement programmes.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
Jones Bros. Ruthin (Civil Engineering) Co. Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering contracting services for infrastructure projects, including energy and renewable installations, highways, coastal and marine works, waste management facilities, surfacing…
Serves public and private sector infrastructure clients across the UK, including energy and renewables developers, highway authorities, coastal and marine asset owners, waste management operators and…
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
J McCann & Co Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil and electrical engineering construction services for infrastructure projects, including highways, street lighting systems, and multi‑utility networks. Works on road, rail and airport…
Serves public and private sector clients commissioning major UK road, rail and airport infrastructure projects, including highways, utilities and civil engineering buyers. Also targets highway…
Financial Health
HealthyHealthy · Profitable · -11% CAGR over 3y
Location
C J THORNE & CO LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering contracting services including water and wastewater infrastructure, flood and environmental works, road and bridge construction, earthworks, drainage, and pipeline…
Serves public-sector bodies, water utilities and infrastructure asset owners across the South East, including local councils, highways authorities and organisations responsible for potable water,…
Financial Health
StableStable · -70% CAGR over 4y
Location
Askam Civil Engineering Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering contracting services for infrastructure and construction projects, including clean and wastewater systems, energy and renewable installations, industrial and commercial…
Serves private and public sector organisations in water, energy, industrial, commercial, highways, infrastructure, waterways and public realm markets, including local authorities and environmental…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Breheny Group Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and infrastructure construction services for public and private sectors, including highways improvements, earthworks, drainage systems, river and coastal works, and public…
Serves public and private sector clients commissioning civil engineering infrastructure projects and frameworks across the Eastern half of England.
Financial Health
HealthyHealthy · -4% CAGR over 2y
Location
Davey Civils Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides below‑ground civil engineering and construction services for highways, water and commercial infrastructure projects, including installation of pipelines and sewers, deep drainage systems,…
Targets top-tier civils contractors, utilities and infrastructure clients in the highways, water and commercial sectors, with case studies involving Highways England, Thames Water, Balfour Beatty and…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
JD EXCAVATIONS TYRONE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and groundworks services for construction projects, including bulk earthworks, site preparation, drainage, reinforced concrete structures, road formation, utilities…
Serves UK construction and infrastructure clients across water and wastewater, transport, environment, energy, defence, aviation, education, healthcare, commercial, industrial and residential sectors.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
V.J. Donegan & Co Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and tunnelling services, including pipejacking, segmental shaft sinking, bored and sheet piling, open‑cut drainage installation, and construction of reinforced concrete…
Serves public and private sector infrastructure clients, especially water utilities, regional water authorities, local authorities and commercial developers across Northern England and Scotland.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
CAIRN CROSS CIVIL ENGINEERING LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides design and build civil engineering services for rail infrastructure, including construction and upgrade of rail depots, carriage wash systems, wheel lathe installations, fuelling and…
Serves UK train and freight operating companies, rail depot operators, and infrastructure clients with needs across rail maintenance facilities, highways, bridges and bespoke built-environment…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
J. Anderson & Son Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services for utilities and infrastructure projects, including design, groundworks, structural works, installation and maintenance at facilities such as…
Serves utilities-sector clients and infrastructure asset operators across the UK, including gas, water and sewage facilities, pipelines, compressor stations and treatment plants.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
SCD Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services for infrastructure projects, including groundworks, road and pathway building, fibre network and cable installation, renewable energy…
Serves blue-chip businesses and infrastructure project owners in construction, renewable energy and utilities, including clients commissioning multi-million-pound schemes across civil engineering,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
JAMIESON CONTRACTING (NORTH WEST) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction and civil engineering services including design and build, new build developments, extensions, refurbishment and commercial fit‑outs. Delivers infrastructure, rail and transport…
Serves public and private sector clients across the UK, including commercial and defence organisations, rail and transport bodies, civil infrastructure owners, schools, universities, healthcare…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 2y
Location
DURKIN AND SONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil and power engineering services for electricity and utility infrastructure projects, including grid and DNO connections, high‑voltage cable installation, private network construction,…
Serves B2B utility and power infrastructure clients, including distribution network operators, grid contractors, independent connection providers, private network owners, renewable energy developers…
Financial Health
WeakWeak · 4% CAGR over 2y
Location
SLM MACKENZIE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering construction and structural refurbishment services, including infrastructure works, concrete and structural repairs, and asset maintenance for sectors such as transport,…
Serves organisations commissioning civil engineering and structural refurbishment projects across the UK, including infrastructure and property asset owners, developers and main contractors.
Financial Health
StrongStrong
Location
DXI Regeneration Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and construction services, including demolition, brownfield remediation, earthworks, groundworks, roads and sewers, drainage and structural works. Delivers infrastructure…
Serves construction developers, main contractors, utilities and public-sector or waste-sector clients needing civil engineering support for brownfield, infrastructure, drainage, landfill, MRF and…
Financial Health
StableStable · -16% CAGR over 2y
Location
ROSSLEE CONSTRUCTION LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction and civil engineering services including design and build, demolition, utilities and infrastructure works, airport maintenance and projects, plant hire, and construction…
Serves B2B and public-sector construction clients, including airports, main contractors, infrastructure and utilities developers, and education or civic project owners.
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
Rorcon Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction and civil engineering services for infrastructure projects, including tunnelling (SCL, TBM and conventional), shaft sinking, pipe jacking and concreting, alongside specialist…
Serves infrastructure and civil engineering clients, main contractors and construction partners on UK and international projects, including tunnelling, sewer, shaft works and mining-related…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
DANAHER & WALSH GROUP LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering contracting services delivering construction, maintenance and improvement of highways, bridges, public realm spaces and infrastructure, including drainage, access roads and…
Serves B2B and public sector clients in the Midlands and East of England, including local authorities, Tier 1 contractors and consultancies commissioning civil engineering works in highways, bridges,…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 2y
Location
DANAHER & WALSH (CIVIL ENGINEERING) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering contracting services including construction, maintenance and improvement of highways, bridges, public realm and infrastructure. Delivers projects such as road schemes,…
Serves public sector bodies, Tier 1 contractors and consultancy clients in the Midlands and East of England commissioning highways, bridge, public realm and infrastructure projects.
Financial Health
HealthyHealthy · Profitable, Hiring · 5% CAGR over 2y
Location
R & C WILLIAMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering contracting services for public infrastructure projects, including bridge construction, structural repairs, steelwork fabrication, and highways and infrastructure…
Serves public-sector highways and infrastructure clients, local authorities, and private civil engineering managers needing contractors for construction, structural maintenance, and bridge-related…
Financial Health
WeakWeak · -5% CAGR over 4y
Location
MACLAY (CIVIL ENGINEERING) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and road maintenance services, including carriageway construction, surfacing, public realm streetscape works, infrastructure and environmental improvements, and term…
Serves UK public sector clients, especially local authorities and urban regeneration companies, commissioning civil engineering, road maintenance, public realm, infrastructure and term service…
Financial Health
StableStable · Hiring · 7% CAGR over 2y
Location
JN CIVILS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and utility infrastructure services including installation of high‑voltage electricity cables, gas and water networks, independent utility connections, traffic management,…
Serves UK businesses, utility companies, property developers and infrastructure project owners, including commercial developments, caravan parks and public or critical facilities requiring utility…
Financial Health
StrongStrong · Growing, Hiring · 33% CAGR over 2y
Location
Breheny Civil Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDelivers civil engineering and infrastructure construction projects including highways improvements, earthworks, drainage systems, river and coastal works, and public realm schemes. Works on projects…
Serves public-sector bodies and private clients procuring infrastructure projects and frameworks, including local authorities, developers, utilities and organisations responsible for highways,…
Financial Health
StableStable · Profitable · -7% CAGR over 2y
Location
FOURWAY COMMUNICATION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides consulting engineering and construction services for transport infrastructure, specialising in telecommunications, building services and rail systems. Delivers design, surveying, BIM,…
Serves rail and transport infrastructure clients, including Network Rail, major civil and M&E contractors, and project teams in UK rail, airport and road sectors.
Financial Health
HealthyHealthy · Profitable · -8% CAGR over 2y
Location
Specialist Ground Engineering Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides ground engineering and civil works including bulk earthworks, soil stabilisation and modification, soil remediation, vertical band drains, drainage systems, retaining walls, coastal defence…
Serves UK civil engineering and building-sector clients, including developers, main contractors and project teams working on construction, infrastructure, brownfield, coastal defence and…
Financial Health
StableStable · -14% CAGR over 2y
Location
K Rouse Civil Engineers Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering contracting services, delivering construction and infrastructure projects and undertaking site works and project management for clients with complex or time‑sensitive…
Financial Health
StableStable · Profitable · -1% CAGR over 4y
Location
CROWN PLUS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides drainage surveys, drainage remediation and filter drain recycling services for road and rail infrastructure. Carries out associated civil engineering works, technical surveys and data…
Serves organisations in the UK road, rail and highways sectors, particularly infrastructure owners, operators and contractors responsible for transport network maintenance.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 2y
Location
ALLIANCE GROUP SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and delivers civil engineering and water infrastructure projects, including flood defence and mitigation systems. Provides surveying, consulting, project design, construction and installation…
Serves a mix of B2C, B2B and public-sector customers: individual property owners, commercial property owners, public bodies, developers and major water companies throughout the UK.
Financial Health
StableStable · -82% CAGR over 4y
Location
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How UK civil engineering companies work and how to sell to them
What they do
Civil engineering companies earn revenue from tendered project delivery, maintenance call-offs, design-and-build packages, specialist site works and professional engineering services. Pricing typically combines fixed-price scopes, measured work, schedule-of-rates activity and agreed variations when site conditions or client requirements change. Margins depend less on list price than on estimating accuracy, programme control, subcontractor management and recovery of change. Smaller contractors may take local drainage, groundworks or highways packages, while larger operators carry longer framework commitments across transport, energy, water, waste and communications assets. The commercial product is therefore a managed delivery capability: labour, plant, technical design, project controls, safety systems and contractual risk transfer bundled into a bid.
Who they sell to
Most civil engineering firms sell to infrastructure owners and their delivery partners rather than to a single functional buyer. Typical customers include local authorities, regulated utilities, network operators, public-sector bodies, housebuilders, commercial developers and larger contractors passing down specialist packages. Decision groups usually include procurement leads, commercial managers, engineers, asset managers, project directors, finance teams and health-and-safety reviewers. The route to market is often a formal tender, framework application or subcontract package, with qualification checks before price is considered. Sales cycles can run from short quotation-led packages to long framework competitions, and buyers usually ask for method statements, insurance, accreditations, references and evidence of delivery on comparable works.
What they buy
Most civil engineering firms tend to spend on tools and services that help them bid, deliver, evidence compliance and protect margin. Relevant software categories include estimating, bid management, project controls, job costing, document management, field reporting, workforce scheduling, procurement, payroll, accounting, asset management, health-and-safety management and analytics for cost-to-complete reporting. Services spend often covers recruitment, training, legal support, contract claims, accounting, insurance, bonding advice, marketing for framework positioning, and specialist technical consultants such as surveying or geotechnical support. Infrastructure spend can include cloud hosting, mobile devices for site teams, fleet and plant management systems, data storage, cyber security and communications for dispersed project sites.
Why and how to sell to them
Civil engineering buyers tend to evaluate suppliers when work volume, project complexity or compliance burden stretches existing processes. Common triggers include a new framework win, a move into principal-contractor duties, a new regional delivery base, hiring in commercial or project-control roles, or recurring issues with variations, retentions, site reporting and subcontractor performance. Outbound angles usually land better when they connect to tender success, margin protection, audit evidence or safer delivery rather than generic efficiency. A credible message should reference the buyer’s operating model: multi-site projects, measured work, change control, accreditations, insurance requirements and the need to give clients confidence before a contract is awarded.
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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