Company lists · Data refreshed September 2026
Top 25 Critical infrastructure contractors based in the United Kingdom
RevenueBase identified 163 company matches for critical infrastructure contractors associated with the United Kingdom as of September 2026 and tracks 24,107 professional contacts across them, including 9,038 with verified work emails. London is the largest hub.
This list covers company matches for critical infrastructure contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest critical infrastructure contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,667 contacts → | ||||
Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 3,785 contacts → | ||||
Exact match “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 3,095 contacts → | ||||
Exact match “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 2,407 contacts → | ||||
Exact match “Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 1,437 contacts → | ||||
Exact match “With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 832 contacts → | ||||
Exact match “The Bowmer + Kirkland Group (B+K) is one of the UK's most successful, privately-owned construction and development groups.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 644 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 583 contacts → | ||||
Exact match “Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 453 contacts → | ||||
Exact match “Redstone is now part of RedstoneConnect PLC.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 304 contacts → | ||||
Exact match “J Coffey Group is a collection of specialist building companies, with an extensive experience of more than three decades.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 264 contacts → | ||||
Exact match “Denholm Industrial Services assists the build and maintenance of critical assets that support society and protect our nation, with ‘Always Safety First’ at the heart of everything…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 234 contacts → | ||||
Exact match “blu-3 is a leading, fully integrated infrastructure provider, delivering expertise and extensive knowledge to the UK’s largest construction projects.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 157 contacts → | ||||
Exact match “Enable is a family of high-performing teams.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 136 contacts → | ||||
Exact match “Our specialist teams have proven expertise and experience in delivering projects on specialist contracting activities including Aviation & Infrastructure, Piling, Operations and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 131 contacts → | ||||
Exact match “Reliable Contractors have been providing contingency labour supporting tier-one contractors on major infrastructure projects for over 50 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 113 contacts → | ||||
Exact match “Welcome to the Centregreat Group Centregreat is a well-established, high quality, infrastructure services provider, proud to serve Clients across a number of disciplines.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 105 contacts → | ||||
Exact match “Doocey Group Utility Infrastructure Contractor operating nationally in the construction Industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 95 contacts → | ||||
Exact match “Optilan is a leading independent security and communications systems integrator worldwide.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 76 contacts → | ||||
Exact match “Providing innovative solutions to the Infrastructure, Energy Transition, Nuclear & Defence and Renewables sectors, Services include commissioning, decommissioning, hook-ups…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 71 contacts → | ||||
Exact match “The Adman group of companies is a leading provider of civil engineering and construction services with a proven track record of service delivery for both public and private sector…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 67 contacts → | ||||
Exact match “McAndrew Martin Ltd is a specialist provider of integrated design, engineering and construction services, delivering secure solutions to foster a safer, more resilient world.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 62 contacts → | ||||
Exact match “Delatim is a construction and building services company providing design, installation and maintenance solutions for our clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 54 contacts → | ||||
Exact match “Allied Infrastructure is a multi-disciplined specialist contractor working predominantly in the Highways, Airports & Defence sectors capable of handling small patches repairs…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 48 contacts → | ||||
Exact match “SSG Contracts Limited are a multi-discipline, multi-sector contractor specialising in facilities maintenance and civil engineering.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 47 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “critical infrastructure contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 163 critical infrastructure contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 9,038 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Critical infrastructure contractors based in the United Kingdom at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 163 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “critical infrastructure contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,038 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “critical infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure contractors are there based in the United Kingdom?
RevenueBase identified 163 company matches for critical infrastructure contractors associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
AMEY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure contractors?
London leads with 27 company records, followed by Belfast (4) and Harrow (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,038 professional contacts with verified work emails tracked across these 163 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 163 critical infrastructure contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany
- Critical infrastructure contractors based in India
- Critical infrastructure contractors based in Italy
- Critical infrastructure contractors based in Mexico
- Critical infrastructure contractors based in the Netherlands
- Critical infrastructure contractors based in Saudi Arabia
- Critical infrastructure contractors based in Spain
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany
Company intelligence · public preview
Top 25 critical infrastructure contractors based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 163 matching company records for critical infrastructure contractors based in the United Kingdom, with 24,107 tracked contacts and 9,038 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  AMEYamey.co.ukHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Costain Group PLCcostain.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,785 contacts → |
“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Murphymurphygroup.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,095 contacts → |
“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Telent Technology Services LTDtelent.com HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 2,407 contacts → |
“Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Frazer-Nash Consultancyfnc.co.ukHQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,437 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bowmer And Kirkland LTDbandk.co.ukHQ: Heage, United KingdomReported employees: 1,001-5,000 | Heage, United Kingdom | 1,001-5,000 | Exact match | 832 contacts → |
“The Bowmer + Kirkland Group (B+K) is one of the UK's most successful, privately-owned construction and development groups.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  United Living Groupunitedinfrastructure.comHQ: Warrington, United KingdomReported employees: 1,001-5,000 | Warrington, United Kingdom | 1,001-5,000 | Exact match | 644 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Aureosaureos.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 583 contacts → |
“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Redstone Converged Solutionsredstone.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 453 contacts → |
“Redstone is now part of RedstoneConnect PLC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | J Coffey Groupjcoffey.com HQ: Harrow, United KingdomReported employees: 501-1,000 | Harrow, United Kingdom | 501-1,000 | Exact match | 304 contacts → |
“J Coffey Group is a collection of specialist building companies, with an extensive experience of more than three decades.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Denholm Industrial Servicesdenholm-industrial.com HQ: Yeovil, United KingdomReported employees: 501-1,000 | Yeovil, United Kingdom | 501-1,000 | Exact match | 264 contacts → |
“Denholm Industrial Services assists the build and maintenance of critical assets that support society and protect our nation, with ‘Always Safety First’ at the heart of everything…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Blu-3 UK Limitedblu-3.co.uk HQ: Kent, United KingdomReported employees: 51-200 | Kent, United Kingdom | 51-200 | Exact match | 234 contacts → |
“blu-3 is a leading, fully integrated infrastructure provider, delivering expertise and extensive knowledge to the UK’s largest construction projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Enableenable-team.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 157 contacts → |
“Enable is a family of high-performing teams.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lagan Specialist Holdingslaganscg.comHQ: Belfast, United KingdomReported employees: 501-1,000 | Belfast, United Kingdom | 501-1,000 | Exact match | 136 contacts → |
“Our specialist teams have proven expertise and experience in delivering projects on specialist contracting activities including Aviation & Infrastructure, Piling, Operations and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Reliable Contractorsreliablecontractors.co.uk HQ: Sandwich, United KingdomReported employees: 501-1,000 | Sandwich, United Kingdom | 501-1,000 | Exact match | 131 contacts → |
“Reliable Contractors have been providing contingency labour supporting tier-one contractors on major infrastructure projects for over 50 years.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Centregreatcentregreat.co.uk HQ: Bridgend, United KingdomReported employees: 201-500 | Bridgend, United Kingdom | 201-500 | Exact match | 113 contacts → |
“Welcome to the Centregreat Group Centregreat is a well-established, high quality, infrastructure services provider, proud to serve Clients across a number of disciplines.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Doocey Groupdooceygroup.co.uk HQ: Tipton, United KingdomReported employees: 201-500 | Tipton, United Kingdom | 201-500 | Exact match | 105 contacts → |
“Doocey Group Utility Infrastructure Contractor operating nationally in the construction Industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Optilanoptilan.comHQ: Royal Leamington Spa, United KingdomReported employees: 201-500 | Royal Leamington Spa, United Kingdom | 201-500 | Exact match | 95 contacts → |
“Optilan is a leading independent security and communications systems integrator worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | N-Ergisen-ergise.one HQ: Great Yarmouth, United KingdomReported employees: 51-200 | Great Yarmouth, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Providing innovative solutions to the Infrastructure, Energy Transition, Nuclear & Defence and Renewables sectors, Services include commissioning, decommissioning, hook-ups…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Adman Groupadman-ltd.comHQ: Omagh, United KingdomReported employees: 51-200 | Omagh, United Kingdom | 51-200 | Exact match | 71 contacts → |
“The Adman group of companies is a leading provider of civil engineering and construction services with a proven track record of service delivery for both public and private sector…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mcandrew Martin LTDmcandrewmartin.com HQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 67 contacts → |
“McAndrew Martin Ltd is a specialist provider of integrated design, engineering and construction services, delivering secure solutions to foster a safer, more resilient world.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Delatim LTDdelatim.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Delatim is a construction and building services company providing design, installation and maintenance solutions for our clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Allied Infrastructure Management LTDalliedinfrastructure.co.ukHQ: Leigh, United KingdomReported employees: 51-200 | Leigh, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Allied Infrastructure is a multi-disciplined specialist contractor working predominantly in the Highways, Airports & Defence sectors capable of handling small patches repairs…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SSG Contracts Limitedssgcontracts.co.uk HQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 48 contacts → |
“SSG Contracts Limited are a multi-discipline, multi-sector contractor specialising in facilities maintenance and civil engineering.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cementers Limitedcementers.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 163 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Critical infrastructure contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
160 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 163 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 163 matching company records, 24,107 tracked contacts and 9,038 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany
- Critical infrastructure contractors based in India
- Critical infrastructure contractors based in Italy
- Critical infrastructure contractors based in Mexico
- Critical infrastructure contractors based in the Netherlands
- Critical infrastructure contractors based in Saudi Arabia
- Critical infrastructure contractors based in Spain
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure contractors based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany
Company intelligence · public preview
Top 25 critical infrastructure contractors based in the United Kingdom
RevenueBase records 163 matching company records for critical infrastructure contractors based in the United Kingdom, with 24,107 tracked contacts and 9,038 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | AMEYamey.co.uk HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Costain Group PLCcostain.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,785 contacts → |
“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Murphymurphygroup.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,095 contacts → |
“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Telent Technology Services LTDtelent.com HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 2,407 contacts → |
“Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Frazer-Nash Consultancyfnc.co.uk HQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,437 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bowmer And Kirkland LTDbandk.co.uk HQ: Heage, United KingdomReported employees: 1,001-5,000 | Heage, United Kingdom | 1,001-5,000 | Exact match | 832 contacts → |
“The Bowmer + Kirkland Group (B+K) is one of the UK's most successful, privately-owned construction and development groups.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | United Living Groupunitedinfrastructure.com HQ: Warrington, United KingdomReported employees: 1,001-5,000 | Warrington, United Kingdom | 1,001-5,000 | Exact match | 644 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Aureosaureos.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 583 contacts → |
“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Redstone Converged Solutionsredstone.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 453 contacts → |
“Redstone is now part of RedstoneConnect PLC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | J Coffey Groupjcoffey.com HQ: Harrow, United KingdomReported employees: 501-1,000 | Harrow, United Kingdom | 501-1,000 | Exact match | 304 contacts → |
“J Coffey Group is a collection of specialist building companies, with an extensive experience of more than three decades.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Denholm Industrial Servicesdenholm-industrial.com HQ: Yeovil, United KingdomReported employees: 501-1,000 | Yeovil, United Kingdom | 501-1,000 | Exact match | 264 contacts → |
“Denholm Industrial Services assists the build and maintenance of critical assets that support society and protect our nation, with ‘Always Safety First’ at the heart of everything…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Blu-3 UK Limitedblu-3.co.uk HQ: Kent, United KingdomReported employees: 51-200 | Kent, United Kingdom | 51-200 | Exact match | 234 contacts → |
“blu-3 is a leading, fully integrated infrastructure provider, delivering expertise and extensive knowledge to the UK’s largest construction projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Enableenable-team.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 157 contacts → |
“Enable is a family of high-performing teams.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lagan Specialist Holdingslaganscg.com HQ: Belfast, United KingdomReported employees: 501-1,000 | Belfast, United Kingdom | 501-1,000 | Exact match | 136 contacts → |
“Our specialist teams have proven expertise and experience in delivering projects on specialist contracting activities including Aviation & Infrastructure, Piling, Operations and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Reliable Contractorsreliablecontractors.co.uk HQ: Sandwich, United KingdomReported employees: 501-1,000 | Sandwich, United Kingdom | 501-1,000 | Exact match | 131 contacts → |
“Reliable Contractors have been providing contingency labour supporting tier-one contractors on major infrastructure projects for over 50 years.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Centregreatcentregreat.co.uk HQ: Bridgend, United KingdomReported employees: 201-500 | Bridgend, United Kingdom | 201-500 | Exact match | 113 contacts → |
“Welcome to the Centregreat Group Centregreat is a well-established, high quality, infrastructure services provider, proud to serve Clients across a number of disciplines.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Doocey Groupdooceygroup.co.uk HQ: Tipton, United KingdomReported employees: 201-500 | Tipton, United Kingdom | 201-500 | Exact match | 105 contacts → |
“Doocey Group Utility Infrastructure Contractor operating nationally in the construction Industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Optilanoptilan.com HQ: Royal Leamington Spa, United KingdomReported employees: 201-500 | Royal Leamington Spa, United Kingdom | 201-500 | Exact match | 95 contacts → |
“Optilan is a leading independent security and communications systems integrator worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | N-Ergisen-ergise.one HQ: Great Yarmouth, United KingdomReported employees: 51-200 | Great Yarmouth, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Providing innovative solutions to the Infrastructure, Energy Transition, Nuclear & Defence and Renewables sectors, Services include commissioning, decommissioning, hook-ups…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Adman Groupadman-ltd.com HQ: Omagh, United KingdomReported employees: 51-200 | Omagh, United Kingdom | 51-200 | Exact match | 71 contacts → |
“The Adman group of companies is a leading provider of civil engineering and construction services with a proven track record of service delivery for both public and private sector…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mcandrew Martin LTDmcandrewmartin.com HQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 67 contacts → |
“McAndrew Martin Ltd is a specialist provider of integrated design, engineering and construction services, delivering secure solutions to foster a safer, more resilient world.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Delatim LTDdelatim.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Delatim is a construction and building services company providing design, installation and maintenance solutions for our clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Allied Infrastructure Management LTDalliedinfrastructure.co.uk HQ: Leigh, United KingdomReported employees: 51-200 | Leigh, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Allied Infrastructure is a multi-disciplined specialist contractor working predominantly in the Highways, Airports & Defence sectors capable of handling small patches repairs…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SSG Contracts Limitedssgcontracts.co.uk HQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 48 contacts → |
“SSG Contracts Limited are a multi-discipline, multi-sector contractor specialising in facilities maintenance and civil engineering.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cementers Limitedcementers.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 163 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Critical infrastructure contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
160 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 163 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 163 matching company records, 24,107 tracked contacts and 9,038 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany
- Critical infrastructure contractors based in India
- Critical infrastructure contractors based in Italy
- Critical infrastructure contractors based in Mexico
- Critical infrastructure contractors based in the Netherlands
- Critical infrastructure contractors based in Saudi Arabia
- Critical infrastructure contractors based in Spain
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure contractors based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Argentina
- Critical infrastructure contractors based in Australia
- Critical infrastructure contractors based in Brazil
- Critical infrastructure contractors based in Canada
- Critical infrastructure contractors based in France
- Critical infrastructure contractors based in Germany