Company lists · Data refreshed September 2026
Top 25 Infrastructure conglomerates based in the United Kingdom
RevenueBase identified 977 company matches for infrastructure conglomerates associated with the United Kingdom as of September 2026 and tracks 102,320 professional contacts across them, including 32,758 with verified work emails. London is the largest hub.
This list covers company matches for infrastructure conglomerates 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 20, 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 infrastructure conglomerates based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,507 contacts → | ||||
Exact match “Balfour Beatty is a leading international infrastructure group.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 9,491 contacts → | ||||
Exact match “Our purpose is to sustainably deliver infrastructure which is vital to the UK.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 9,297 contacts → | ||||
Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 5,782 contacts → | ||||
Exact match “Ferrovial is a leading global infrastructure company transforming highways, airports, and energy around the world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 4,684 contacts → | ||||
Exact match “Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 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 20, 2026 · View company records in RevenueBase | |||||
| 7 | 3,402 contacts → | ||||
Exact match “Tarmac, a CRH company, is the UK’s leading sustainable building materials and construction solutions business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 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 20, 2026 · View company records in RevenueBase | |||||
| 9 | 2,416 contacts → | ||||
Exact match “Innovo is an industry leader in construction and innovation across the built environment, specialising in the design, engineering, construction, development and infrastructure…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 2,192 contacts → | ||||
Exact match “Founded in 1921, NG Bailey has grown from a small electrical contractor into an award-winning, industry-leading group of companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 1,578 contacts → | ||||
Exact match “OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 1,218 contacts → | ||||
Exact match “The Clancy Group was founded in 1958 by Michael Clancy as M.J.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 1,213 contacts → | ||||
Exact match “BakerHicks are a design, engineering and project delivery company specialising in complex infrastructure, process and built environments across the full project life cycle, from…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 1,194 contacts → | ||||
Exact match “Faithful+Gould is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 1,090 contacts → | ||||
Exact match “We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 974 contacts → | ||||
Exact match “FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 863 contacts → | ||||
Exact match “VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 851 contacts → | ||||
Exact match “M Group | Essential Infrastructure Services for Life It’s an exceptional time to be part of M Group.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 845 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 810 contacts → | ||||
Exact match “Over 25 years the JRL Group has grown from a company specialising in sub and superstructure packages to a business that offers integrated construction solutions by incorporating…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 803 contacts → | ||||
Exact match “Barhale was formed in 1980 as a specialist tunnelling contractor and grew initially through the successful delivery of projects in the water sector, developing mechanical and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 707 contacts → | ||||
Exact match “Helping the world move forward with confidence.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 644 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 617 contacts → | ||||
Exact match “px Group is a fully integrated infrastructure solutions business which delivers net zero and stakeholder success through elite performance in the safety, availability, reliability…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 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 20, 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 “infrastructure conglomerates”. 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 977 infrastructure conglomerates based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 32,758 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infrastructure conglomerates based in the United Kingdom at a glance
As of Sep 20, 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 977 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 “infrastructure conglomerates” 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 32,758 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 20, 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 “infrastructure conglomerates”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infrastructure conglomerates are there based in the United Kingdom?
RevenueBase identified 977 company matches for infrastructure conglomerates 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?
Balfour Beatty PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most infrastructure conglomerates?
London leads with 216 company records, followed by Manchester (26) and Liverpool (12).
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 32,758 professional contacts with verified work emails tracked across these 977 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 977 infrastructure conglomerates based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Infrastructure conglomerates by geography
- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
- Infrastructure conglomerates based in Perth, Australia
- Infrastructure conglomerates based in Sydney, Australia
- Infrastructure conglomerates based in Belo Horizonte, Brazil
- Infrastructure conglomerates based in Brasilia, Brazil
- Infrastructure conglomerates based in Curitiba, Brazil
- Infrastructure conglomerates based in Fortaleza, Brazil
- Infrastructure conglomerates based in Porto Alegre, Brazil
- Infrastructure conglomerates based in Recife, Brazil
- Infrastructure conglomerates based in Rio De Janeiro, Brazil
- Infrastructure conglomerates based in Salvador, Brazil
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
- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
- Infrastructure conglomerates based in Perth, Australia
- Infrastructure conglomerates based in Sydney, Australia
- Infrastructure conglomerates based in Belo Horizonte, Brazil
- Infrastructure conglomerates based in Brasilia, Brazil
Company intelligence · public preview
Top 25 infrastructure conglomerates 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 977 matching company records for infrastructure conglomerates based in the United Kingdom, with 102,320 tracked contacts and 32,758 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 20, 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 infrastructure conglomerates 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 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 10,507 contacts → |
“Balfour Beatty is a leading international infrastructure group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Uk, United KingdomReported employees: 10001+ | Uk, United Kingdom | 10001+ | Exact match | 9,491 contacts → |
“Our purpose is to sustainably deliver infrastructure which is vital to the UK.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Epsom, United KingdomReported employees: 10001+ | Epsom, United Kingdom | 10001+ | Exact match | 9,297 contacts → |
“Atkins is now AtkinsRéalis.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Amsterdam, United KingdomReported employees: 10001+ | Amsterdam, United Kingdom | 10001+ | Exact match | 5,782 contacts → |
“Ferrovial is a leading global infrastructure company transforming highways, airports, and energy around the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Abingdon, United KingdomReported employees: 5,001-10,000 | Abingdon, United Kingdom | 5,001-10,000 | Exact match | 4,684 contacts → |
“Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tarmactarmac.com HQ: Solihull, United KingdomReported employees: 5,001-10,000 | Solihull, United Kingdom | 5,001-10,000 | Exact match | 3,402 contacts → |
“Tarmac, a CRH company, is the UK’s leading sustainable building materials and construction solutions business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 2,416 contacts → |
“Innovo is an industry leader in construction and innovation across the built environment, specialising in the design, engineering, construction, development and infrastructure…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 2,192 contacts → |
“Founded in 1921, NG Bailey has grown from a small electrical contractor into an award-winning, industry-leading group of companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Stockport, United KingdomReported employees: 1,001-5,000 | Stockport, United Kingdom | 1,001-5,000 | Exact match | 1,578 contacts → |
“OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Harefield, United KingdomReported employees: 1,001-5,000 | Harefield, United Kingdom | 1,001-5,000 | Exact match | 1,218 contacts → |
“The Clancy Group was founded in 1958 by Michael Clancy as M.J.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 1,213 contacts → |
“BakerHicks are a design, engineering and project delivery company specialising in complex infrastructure, process and built environments across the full project life cycle, from…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,194 contacts → |
“Faithful+Gould is now AtkinsRéalis.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Stirling, United KingdomReported employees: 1,001-5,000 | Stirling, United Kingdom | 1,001-5,000 | Exact match | 1,090 contacts → |
“We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sevenoaks, United KingdomReported employees: 1,001-5,000 | Sevenoaks, United Kingdom | 1,001-5,000 | Exact match | 974 contacts → |
“FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Hoddesdon, United KingdomReported employees: 1,001-5,000 | Hoddesdon, United Kingdom | 1,001-5,000 | Exact match | 863 contacts → |
“VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | M Groupmgroupltd.com HQ: Stevenage, United KingdomReported employees: 10001+ | Stevenage, United Kingdom | 10001+ | Exact match | 851 contacts → |
“M Group | Essential Infrastructure Services for Life It’s an exceptional time to be part of M Group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Barnsley, United KingdomReported employees: 1,001-5,000 | Barnsley, United Kingdom | 1,001-5,000 | Exact match | 845 contacts → |
“Who are we?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Borehamwood, United KingdomReported employees: 1,001-5,000 | Borehamwood, United Kingdom | 1,001-5,000 | Exact match | 810 contacts → |
“Over 25 years the JRL Group has grown from a company specialising in sub and superstructure packages to a business that offers integrated construction solutions by incorporating…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Walsall, United KingdomReported employees: 1,001-5,000 | Walsall, United Kingdom | 1,001-5,000 | Exact match | 803 contacts → |
“Barhale was formed in 1980 as a specialist tunnelling contractor and grew initially through the successful delivery of projects in the water sector, developing mechanical and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 707 contacts → |
“Helping the world move forward with confidence.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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. | |||||
| 24 | HQ: Stockton On Tees, United KingdomReported employees: 501-1,000 | Stockton On Tees, United Kingdom | 501-1,000 | Exact match | 617 contacts → |
“px Group is a fully integrated infrastructure solutions business which delivers net zero and stakeholder success through elite performance in the safety, availability, reliability…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 977 company matches
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Infrastructure conglomerates: dataset insights
September 20, 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
966 records in the displayed employee bands.
11 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 977 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 20, 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 infrastructure conglomerates?
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 infrastructure conglomerates did RevenueBase find based in the United Kingdom?
The saved snapshot records 977 matching company records, 102,320 tracked contacts and 32,758 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 20, 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
Infrastructure conglomerates by geography
- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
- Infrastructure conglomerates based in Perth, Australia
- Infrastructure conglomerates based in Sydney, Australia
- Infrastructure conglomerates based in Belo Horizonte, Brazil
- Infrastructure conglomerates based in Brasilia, Brazil
- Infrastructure conglomerates based in Curitiba, Brazil
- Infrastructure conglomerates based in Fortaleza, Brazil
- Infrastructure conglomerates based in Porto Alegre, Brazil
- Infrastructure conglomerates based in Recife, Brazil
- Infrastructure conglomerates based in Rio De Janeiro, Brazil
- Infrastructure conglomerates based in Salvador, Brazil
Cite this list
RevenueBase Data Team. Top 25 infrastructure conglomerates based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/infrastructure-conglomerates/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
- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
- Infrastructure conglomerates based in Perth, Australia
- Infrastructure conglomerates based in Sydney, Australia
- Infrastructure conglomerates based in Belo Horizonte, Brazil
- Infrastructure conglomerates based in Brasilia, Brazil
Company intelligence · public preview
Top 25 infrastructure conglomerates based in the United Kingdom
RevenueBase records 977 matching company records for infrastructure conglomerates based in the United Kingdom, with 102,320 tracked contacts and 32,758 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 20, 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 infrastructure conglomerates 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 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 10,507 contacts → |
“Balfour Beatty is a leading international infrastructure group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Uk, United KingdomReported employees: 10001+ | Uk, United Kingdom | 10001+ | Exact match | 9,491 contacts → |
“Our purpose is to sustainably deliver infrastructure which is vital to the UK.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Epsom, United KingdomReported employees: 10001+ | Epsom, United Kingdom | 10001+ | Exact match | 9,297 contacts → |
“Atkins is now AtkinsRéalis.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Amsterdam, United KingdomReported employees: 10001+ | Amsterdam, United Kingdom | 10001+ | Exact match | 5,782 contacts → |
“Ferrovial is a leading global infrastructure company transforming highways, airports, and energy around the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Abingdon, United KingdomReported employees: 5,001-10,000 | Abingdon, United Kingdom | 5,001-10,000 | Exact match | 4,684 contacts → |
“Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tarmactarmac.com HQ: Solihull, United KingdomReported employees: 5,001-10,000 | Solihull, United Kingdom | 5,001-10,000 | Exact match | 3,402 contacts → |
“Tarmac, a CRH company, is the UK’s leading sustainable building materials and construction solutions business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 2,416 contacts → |
“Innovo is an industry leader in construction and innovation across the built environment, specialising in the design, engineering, construction, development and infrastructure…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 2,192 contacts → |
“Founded in 1921, NG Bailey has grown from a small electrical contractor into an award-winning, industry-leading group of companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Stockport, United KingdomReported employees: 1,001-5,000 | Stockport, United Kingdom | 1,001-5,000 | Exact match | 1,578 contacts → |
“OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Harefield, United KingdomReported employees: 1,001-5,000 | Harefield, United Kingdom | 1,001-5,000 | Exact match | 1,218 contacts → |
“The Clancy Group was founded in 1958 by Michael Clancy as M.J.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 1,213 contacts → |
“BakerHicks are a design, engineering and project delivery company specialising in complex infrastructure, process and built environments across the full project life cycle, from…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,194 contacts → |
“Faithful+Gould is now AtkinsRéalis.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Stirling, United KingdomReported employees: 1,001-5,000 | Stirling, United Kingdom | 1,001-5,000 | Exact match | 1,090 contacts → |
“We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sevenoaks, United KingdomReported employees: 1,001-5,000 | Sevenoaks, United Kingdom | 1,001-5,000 | Exact match | 974 contacts → |
“FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Hoddesdon, United KingdomReported employees: 1,001-5,000 | Hoddesdon, United Kingdom | 1,001-5,000 | Exact match | 863 contacts → |
“VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | M Groupmgroupltd.com HQ: Stevenage, United KingdomReported employees: 10001+ | Stevenage, United Kingdom | 10001+ | Exact match | 851 contacts → |
“M Group | Essential Infrastructure Services for Life It’s an exceptional time to be part of M Group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Barnsley, United KingdomReported employees: 1,001-5,000 | Barnsley, United Kingdom | 1,001-5,000 | Exact match | 845 contacts → |
“Who are we?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Borehamwood, United KingdomReported employees: 1,001-5,000 | Borehamwood, United Kingdom | 1,001-5,000 | Exact match | 810 contacts → |
“Over 25 years the JRL Group has grown from a company specialising in sub and superstructure packages to a business that offers integrated construction solutions by incorporating…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Walsall, United KingdomReported employees: 1,001-5,000 | Walsall, United Kingdom | 1,001-5,000 | Exact match | 803 contacts → |
“Barhale was formed in 1980 as a specialist tunnelling contractor and grew initially through the successful delivery of projects in the water sector, developing mechanical and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 707 contacts → |
“Helping the world move forward with confidence.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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. | |||||
| 24 | HQ: Stockton On Tees, United KingdomReported employees: 501-1,000 | Stockton On Tees, United Kingdom | 501-1,000 | Exact match | 617 contacts → |
“px Group is a fully integrated infrastructure solutions business which delivers net zero and stakeholder success through elite performance in the safety, availability, reliability…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 977 company matches
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Infrastructure conglomerates: dataset insights
September 20, 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
966 records in the displayed employee bands.
11 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 977 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 20, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 infrastructure conglomerates?
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 infrastructure conglomerates did RevenueBase find based in the United Kingdom?
The saved snapshot records 977 matching company records, 102,320 tracked contacts and 32,758 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 20, 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
Infrastructure conglomerates by geography
- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
- Infrastructure conglomerates based in Perth, Australia
- Infrastructure conglomerates based in Sydney, Australia
- Infrastructure conglomerates based in Belo Horizonte, Brazil
- Infrastructure conglomerates based in Brasilia, Brazil
- Infrastructure conglomerates based in Curitiba, Brazil
- Infrastructure conglomerates based in Fortaleza, Brazil
- Infrastructure conglomerates based in Porto Alegre, Brazil
- Infrastructure conglomerates based in Recife, Brazil
- Infrastructure conglomerates based in Rio De Janeiro, Brazil
- Infrastructure conglomerates based in Salvador, Brazil
Cite this list
RevenueBase Data Team. Top 25 infrastructure conglomerates based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/infrastructure-conglomerates/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
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- Infrastructure conglomerates based in Brisbane, Australia
- Infrastructure conglomerates based in Melbourne, Australia
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- Infrastructure conglomerates based in Brasilia, Brazil