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Infrastructure Companies in Reading: 100+ Active Firms (2026)
Infrastructure companies in Reading design, build and maintain essential physical and digital assets across the Thames Valley economy.
Buying centres tend to sit with estates, engineering, IT operations and asset-management teams, rather than a single technology or property buyer. Reading’s infrastructure suppliers appear to sell into public-sector bodies, regulated asset owners, commercial property operators, contractors and enterprise clients across the Thames Valley, with engagements shaped around design packages, delivery support, maintenance contracts and asset services. The work usually sits above ad hoc call-out activity: buyers are looking for providers that can carry project risk, manage site or network dependencies, and keep services available after handover.
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Reading has 122 actively trading infrastructure companies, a compact local cohort serving a wider Thames Valley client base rather than a standalone city market. Reported employment totals 820 people, pointing to an employer base weighted towards smaller delivery and maintenance teams with a thinner layer of scaled contractors and asset-service providers. The buyer mix in Reading also matters: public-sector bodies, regulated asset owners, commercial property operators and enterprise clients all create demand for suppliers that can work across site access, service continuity and contractor coordination.
Work that touches regulated asset owners tends to be governed less by a single sector rulebook and more by client-side assurance: procurement rules, contractor accreditation, method statements, service-level commitments and asset-specific access controls. Physical infrastructure assignments bring health, safety and environmental obligations through the contracting chain, while digital or network services raise resilience, security and continuity requirements set by enterprise and public-sector buyers. For researchers, the practical dividing line is usually not between physical and digital suppliers, but between project delivery businesses and those carrying ongoing operational responsibility.
The local cohort appears likely to remain service-heavy, with more suppliers moving between civil works, facilities systems, utilities support and digital network work as buyers try to reduce hand-offs between contractors. Early-commercial entrants may find routes through specialist subcontracting, but scale-up scarcity tends to favour firms that can evidence safety processes, project governance and recurring maintenance income. Consolidation is plausible where property, transport and network buyers prefer fewer accountable suppliers, although public-sector procurement and regulated-asset requirements are likely to keep the market cautious rather than speculative.
122
Active firms
2026
10
£5M+ firms
Revenue threshold
17
Recent incorporations
Incorporated since 2022
Key facts
About 8% of the trading cohort reports turnover above £5M (10 of 122 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (17 firms), so a sizeable share is in its first few filing cycles.
Reading infrastructure firms serve Thames Valley businesses and public bodies across property development, network resilience, workplace operations and local connectivity.
The sector spans physical and digital assets, so suppliers tend to sell engineering, maintenance, connectivity and operational support rather than one narrow service line.
Project-led delivery appears common, with specialist contractors working alongside design, build and maintenance providers.
Operating models range from subcontract-heavy delivery to more labour-intensive engineering and maintenance work.
Top Reading infrastructure companies
Coffey Geotechnics
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and ground engineering consultancy, including geotechnical engineering, engineering geology, hydrogeology and geo‑environmental services. Delivers design, feasibility studies,…
Serves property developers, transport and water infrastructure owners, energy and transmission project sponsors, mining operators and public-sector bodies involved in major construction and…
Financial Health
StableStable · 2% CAGR over 4y
Location
INGENIOUS POWER ENGINEERING LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides power engineering consultancy and project delivery for electrical infrastructure, including network connections, substation design, protection engineering, renewable and future networks, EV…
Serves B2B clients owning or developing electrical infrastructure, including utility asset adopters, property developers, regeneration projects, industrial and commercial sites, renewables, storage…
Financial Health
StrongStrong · Growing, Hiring · 46% CAGR over 4y
Location
VICI SERVICES LTD
Trajectory
3y · 2023–NowFinancial Health
Insufficient historyInsufficient history
Location
SYNERGENCE LTD
Trajectory
3y · 2023–NowFinancial Health
Insufficient historyInsufficient history
Location
EVOKE TRANSPORT PLANNING CONSULTANTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides transport planning consultancy for development projects, including access feasibility studies, site appraisals, transport assessments, travel plans, highway engineering advice, and support…
Serves UK property developers, housebuilders, housing associations, planners, architects and other development teams involved in planning applications across varied land-use projects.
Financial Health
StrongStrong · Hiring · 14% 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
Traffic Management Consultants Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Ka&Sa Montex Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
S&C TUNNELLING SERVICES LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
Silon Engineering And Construction Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
P A Construction (Civils) Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and groundwork services including tarmac surfacing and resurfacing, drainage installation, concrete formwork, and site preparation for construction projects, using in-house…
Serves B2B construction clients, including developers, main contractors and project owners seeking civil engineering and groundworks partners for projects of varying sizes.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
BLUE BUILDERS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -16% CAGR over 4y
Location
EAGLE GENERAL BUILDING LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -12% CAGR over 4y
Location
PAUL HOUSE MASTER LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
EMS General Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
AUTHORN SURFACING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
GABRI BRICKWORK LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
ASHFORD TRADING INTERNATIONAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
TSN UTILITY LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable
Location
MX WELDING ENGINEERING LTD
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
Denton Contractors Groundworks Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides groundwork and electrical contracting services for commercial and industrial projects, including utility trenching, concrete foundations and structural groundworks, and installation and…
Serves commercial, industrial and residential clients needing groundworks and electrical contracting, including large developments, sensitive sites and high-profile projects; groundworks customers…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
FMJ SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides street lighting and highway electrical installation and maintenance, civil engineering for fibre‑to‑the‑home networks, independent electricity network connections, and installation and…
Serves local authorities, highways clients, fibre network operators, utilities and EV charging providers needing public-highway infrastructure contractors, with projects emphasised across the south…
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
Telelink (UK) Limited
Trajectory
3y · 2021–NowFinancial sub-scores
Computed from 3 filingsDesigns and delivers infrastructure systems including renewable energy generation and battery storage, telecom and network infrastructure, smart building automation, and security systems for critical…
Serves telecom operators, utilities, industrial companies, data centres, transport and border authorities, and other critical-infrastructure owners across B2B and public-sector markets.
Financial Health
StrongStrong · Hiring · 54% CAGR over 2y
Location
MAURER (U.K.) LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures expansion joints, structural bearings, seismic protection systems and vibration control devices for bridges and buildings. Provides monitoring systems, inspection,…
Serves public-sector and B2B infrastructure and building markets, including road and rail bridge owners, civil engineering contractors, structural engineers, and developers of large structures…
Financial Health
StableStable · 0% CAGR over 3y
Location
TRL
Conducts research, testing and consultancy on transport systems, road safety and mobility. Provides collision investigation, infrastructure asset management, transport data analysis, vehicle and…
Serves government transport bodies, local authorities, road operators, police collision units, airports, bus and rail operators, and automotive/mobility technology companies.
Location
PRO - TAR SURFACING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides asphalt, tarmac and resin surfacing services for commercial, aviation, residential and public sector projects. Undertakes paving and surface maintenance for airports, housing developments,…
Serves commercial developers, aviation operators and airports, rail organisations, local authorities, education centres, housing estates, property developers, and private residential customers…
Financial Health
StableStable · 0% CAGR over 4y
Location
P P CONSTRUCTION LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides groundwork and civil engineering services for construction projects, including earthworks, substructures, drainage, highway works, concrete frames, landscaping, and infrastructure services.…
Serves main contractors, property developers and local authorities across defence, custodial, commercial, retail, education, residential, infrastructure and highways projects, mainly in the South…
Financial Health
HealthyHealthy · -14% CAGR over 2y
Location
Smart FT Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting and infrastructure services including building management systems, smart environmental systems, infrastructure maintenance, and compliance and safety management for…
Serves B2B infrastructure operators, principal contractors and project teams managing critical assets, particularly in rail, telecommunications, smart buildings, heritage sites and other complex live…
Financial Health
StableStable · -9% CAGR over 3y
Location
SIMONE SURVEYS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides traffic surveying and traffic engineering services, including automatic and video traffic counts, ducting surveys, loop cutting and replacement, traffic light installation, radar and fibre…
Serves B2B and public-sector customers, including local authorities, highways and transport consultants, traffic signal organisations and private sector clients responsible for road networks, traffic…
Financial Health
HealthyHealthy · -10% CAGR over 4y
Location
Externiture Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures bus shelters, cycle shelters and bus stop infrastructure. Provides surveys, groundworks, installation, refurbishment and maintenance, along with accessories, real-time…
Serves public sector bodies, local councils and transport-sector organisations responsible for bus stops, passenger shelters, cycle parking and public transport infrastructure.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 4y
Location
Mma Lighting Consultancy Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides exterior and street lighting design consultancy, including feasibility studies, highway lighting design, site surveys, lighting impact assessments, electrical network design, and ecological…
Serves public and private sector organisations responsible for exterior, highway and street lighting, including clients with larger or ongoing projects involving planning, ecology and…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
Pipework And Welding Services Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides pipeline engineering and welding services including pipework fabrication, pipeline installation, rehabilitation and repair, hydrostatic and pneumatic testing, vacuum drying, and composite…
Serves B2B clients that own or operate pipeline and industrial pipework infrastructure, including energy, utilities and process-industry organisations with single or multi-pipeline projects worldwide.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Provides specialist rail plant and road‑rail vehicles, operated on‑track plant services, and plant operating scheme support. Delivers civil engineering, drainage, suction excavation, haulage, and…
Serves UK rail and infrastructure clients, including rail contractors, energy infrastructure developers, highways authorities and contractors, and organisations managing regulated infrastructure…
Location
TKP SURFACING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides asphalt and external surfacing services for residential, commercial and industrial projects, including estate roads, driveways, car parks and access routes. Also carries out utility…
Serves a mix of B2B and private customers, including residential developers, groundworks and civil engineering contractors, commercial property owners, managing agents, utilities, schools and…
Financial Health
StableStable · -79% CAGR over 4y
Location
HOPE AND CLAY (CONSTRUCTION) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and construction services, delivering infrastructure and development projects for local authorities and private developers, including groundwork, site preparation and…
Serves local authorities and private developers, including public sector bodies and B2B property or infrastructure clients managing construction and civil engineering projects.
Financial Health
StableStable · -90% CAGR over 2y
Location
UK Power Engineers Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering consultancy and design services for electricity networks, covering low‑voltage distribution to extra‑high‑voltage systems up to 500kV. Supports energy infrastructure projects…
Serves energy network operators, utilities, developers and investors delivering LV to EHV power network projects, from simple connections to large capital or private infrastructure developments.
Financial Health
StrongStrong · Hiring · 33% CAGR over 4y
Location
Fairhurst Global Investments Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil and structural engineering consultancy services, including geotechnical, transport planning, water engineering, environmental, landscape and health and safety advice. Delivers design…
Serves UK infrastructure, energy and development clients, including major power companies, cable suppliers, installers and specialist civil engineering contractors, plus organisations involved in…
Financial Health
StrongStrong
Location
Watermans Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates engineering and environmental consultancy businesses providing planning, design and technical advisory services across the project lifecycle, including structures, building services,…
Serves property developers, asset owners, contractors and public-sector bodies across built environment and infrastructure sectors, including commercial, residential, education, healthcare, defence,…
Financial Health
StrongStrong
Location
Stuart Michael Associates Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering consultancy services including transport planning, environmental and water engineering, infrastructure and civil design. Supports planning applications and development projects…
Serves private developers, land promoters, retailers, commercial property owners, utilities, renewable energy firms, education and healthcare organisations, and local/central government bodies across…
Financial Health
StableStable · -3% CAGR over 4y
Location
Albury S.I. Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides geotechnical and environmental site investigation services for construction and development projects, including desk studies, ground investigations, contaminated land assessments,…
Serves private developers, structural engineers, architects, larger consultancies and local authorities, mainly across London and the South East including Hampshire, Berkshire, Kent and Sussex.
Financial Health
DistressedDistressed · -4% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides specialist contracting services for concrete repair, protection and structural waterproofing in construction projects. Also conducts structural investigations, condition surveys and concrete…
Serves B2B clients in the construction sector, including contractors and organisations responsible for buildings and infrastructure projects across the UK and overseas.
Financial Health
StableStable
Location
Enviromena
Trajectory
2y · 2020–NowDevelops, builds and operates large-scale solar power and battery energy storage projects. Provides renewable energy project development, construction, operations and maintenance, asset management,…
Serves landowners, local communities and commercial or utility energy offtakers across the UK and Europe involved in large-scale renewable energy projects and power purchase agreements.
Financial Health
Insufficient historyInsufficient history
Location
M.EGA.WATTS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
JAYJR Utilities Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
PRESTIGE PLANT ENGINEERING LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
Pipework & Welding Contracting Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides pipeline engineering services including pipework fabrication and installation, pipeline rehabilitation and repair, composite reinforcement, hydrostatic and pneumatic testing, vacuum drying,…
Serves B2B organisations operating or building pipeline infrastructure, including utilities, energy companies and industrial clients with high- and low-pressure pipeline assets in the UK and overseas.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 2y
Location
Earth Grid Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
GLOBAL CONNECTION NETWORK LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Underground Utilities Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
AJH HIGHWAY SERVICES LTD
Trajectory
2y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
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How Reading infrastructure companies work and how to sell to them
What they do
Reading infrastructure providers usually earn revenue through scoped design work, delivery packages, maintenance retainers and asset-service contracts. Pricing tends to follow the risk profile of the job: fixed-price packages for defined works, time-and-materials where site conditions are uncertain, and recurring fees where the supplier carries inspection, monitoring or response obligations. The service shape is often mixed, with engineering judgement, field labour, documentation, subcontractor coordination and sometimes digital network support bundled into one engagement. Margins depend less on licence volume than on utilisation, change control, safety performance and the ability to keep client assets available after installation or handover.
Who they sell to
Most sell to organisations with estates, engineering or operations teams rather than to a single business sponsor. Typical buyers include local authorities, regulated asset owners, commercial landlords, main contractors and larger employers with sites or networks around the Thames Valley. Decision makers often include heads of estates, engineering managers, IT operations leads, asset managers, procurement teams and finance approvers. Sales cycles are usually measured in months rather than days, because buyers need assurance on insurance, accreditations, method statements, access procedures and service continuity. Routes to market tend to be direct tendering, approved supplier lists, framework call-offs or subcontracting under a larger contractor.
What they buy
Most infrastructure firms tend to spend on tools and services that reduce delivery friction: bid management, project accounting, field-service scheduling, asset registers, document control, health and safety compliance, quality management, fleet administration and subcontractor onboarding. Firms with network or digital infrastructure work may also buy monitoring, cyber security, backup, identity management and service-desk systems. Professional services spend often sits around insurance, legal review, audit, tax, payroll, recruitment and training. Suppliers pitching into this market usually need to account for mixed office-and-site workflows, where a purchase must help commercial teams, field managers and back-office finance rather than one software owner alone.
Why and how to sell to them
Reading infrastructure buyers tend to evaluate vendors when delivery complexity starts to show up in margins, audits or client service levels. Triggers include a framework win, a move from project-only work into recurring maintenance, new leadership in operations or finance, rising subcontractor volumes, failed audits, insurance renewal pressure or a client demanding tighter reporting. Outbound messages usually land better when they are tied to concrete operational pain: fewer missed visits, cleaner handover packs, faster tender responses, clearer margin visibility, safer site documentation or better evidence for regulated clients. Generic productivity claims are less persuasive than proof that a supplier understands contractor coordination and asset uptime.
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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