Company lists · Data refreshed November 2026
Top 22 Subsea infrastructure contractors based in the United Kingdom
RevenueBase identified 677 company matches for subsea infrastructure contractors associated with the United Kingdom as of November 2026 and tracks 32,569 professional contacts across them, including 10,294 with verified work emails. Aberdeen is the largest hub.
This list covers company matches for subsea 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 November 6, 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 22 largest subsea infrastructure contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,366 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,207 contacts → | ||||
Exact match “With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 972 contacts → | ||||
Exact match “Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 871 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 564 contacts → | ||||
Exact match “Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 557 contacts → | ||||
Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 539 contacts → | ||||
Exact match “Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 492 contacts → | ||||
Exact match “Ponticelli, Brand and Semco joined forces in 2019 to establish “PBS by Ponticelli”, an Aberdeen-based integrated services consortium led by Ponticelli.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 427 contacts → | ||||
Exact match “Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 404 contacts → | ||||
Exact match “Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 398 contacts → | ||||
Exact match “Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 386 contacts → | ||||
Exact match “Boston Energy is a specialist delivery partner to the offshore wind industry, supporting OEMs, Developers, Tier 1 contractors and vessel owners across the full wind farm lifecycle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 371 contacts → | ||||
Exact match “Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 285 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 235 contacts → | ||||
Exact match “TEXO is a dynamic, UK-based industrial services provider that believes in meeting challenges head on.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 232 contacts → | ||||
Exact match “Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 198 contacts → | ||||
Exact match “TRAC Energy Ltd is a leading global provider of Access Solutions, Inspection, Repair and Maintenance services for the Energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 193 contacts → | ||||
Exact match “Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 190 contacts → | ||||
Exact match “The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 189 contacts → | ||||
Exact match “Express Engineering manufacturer turnkey products that control and connect subsea equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 173 contacts → | ||||
Exact match “Ferguson Marine (Port Glasgow) Limited is Scotland's leading company in new build, refit and ship repair.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 165 contacts → | ||||
Exact match “Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.” Recorded in the RevenueBase company graph · Nov 6, 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 “subsea 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 22 of 677 subsea infrastructure contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 10,294 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsea infrastructure contractors based in the United Kingdom at a glance
As of Nov 6, 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 677 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 “subsea 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 10,294 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 November 6, 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.
Subsea infrastructure contractors by metro
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 “subsea infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea infrastructure contractors are there based in the United Kingdom?
RevenueBase identified 677 company matches for subsea infrastructure contractors associated with the United Kingdom as of November 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?
Murphy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsea infrastructure contractors?
Aberdeen leads with 110 company records, followed by London (53) and Lowestoft (11).
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 10,294 professional contacts with verified work emails tracked across these 677 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 677 subsea infrastructure contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Subsea infrastructure contractors by geography
- Subsea infrastructure contractors based in Perth, Australia
- Subsea infrastructure contractors based in Rio De Janeiro, Brazil
- Subsea infrastructure contractors based in Mumbai, India
- Subsea infrastructure contractors based in Kuala Lumpur, Malaysia
- Subsea infrastructure contractors based in Rotterdam, Netherlands
- Subsea infrastructure contractors based in Lagos, Nigeria
- Subsea infrastructure contractors based in Port Harcourt, Nigeria
- Subsea infrastructure contractors based in Stavanger, Norway
- Subsea infrastructure contractors based in Singapore, Singapore
- Subsea infrastructure contractors based in Abu Dhabi, United Arab Emirates
- Subsea infrastructure contractors based in Dubai, United Arab Emirates
- Subsea infrastructure contractors based in Aberdeen, United Kingdom
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
- Subsea infrastructure contractors based in Perth, Australia
- Subsea infrastructure contractors based in Rio De Janeiro, Brazil
- Subsea infrastructure contractors based in Mumbai, India
- Subsea infrastructure contractors based in Kuala Lumpur, Malaysia
- Subsea infrastructure contractors based in Rotterdam, Netherlands
- Subsea infrastructure contractors based in Lagos, Nigeria
Company intelligence · public preview
Top 22 subsea 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 677 matching company records for subsea infrastructure contractors based in the United Kingdom, with 32,569 tracked contacts and 10,294 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 22 subsea 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 |  Murphymurphygroup.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,366 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bilfinger UKbilfinger.comHQ: Warrington, United KingdomReported employees: 1,001-5,000 | Warrington, United Kingdom | 1,001-5,000 | Exact match | 2,207 contacts → |
“With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Altera Infrastructurealterainfra.comHQ: Aberdeenshire, United KingdomReported employees: 501-1,000 | Aberdeenshire, United Kingdom | 501-1,000 | Exact match | 972 contacts → |
“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Amcogiffenamco-construction.co.ukHQ: Barnsley, United KingdomReported employees: 1,001-5,000 | Barnsley, United Kingdom | 1,001-5,000 | Exact match | 871 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Boskalis Subsea Servicesboskalis.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 564 contacts → |
“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Gardline Limitedgardline.comHQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 557 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Joseph Gallagher Limitedjosephgallagher.co.ukHQ: Stanford-le-hope, United KingdomReported employees: 501-1,000 | Stanford-le-hope, United Kingdom | 501-1,000 | Exact match | 539 contacts → |
“Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PBS By Ponticellipbs-offshore.comHQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 492 contacts → |
“Ponticelli, Brand and Semco joined forces in 2019 to establish “PBS by Ponticelli”, an Aberdeen-based integrated services consortium led by Ponticelli.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Briggs Marinebriggsmarine.comHQ: Burntisland, United KingdomReported employees: 501-1,000 | Burntisland, United Kingdom | 501-1,000 | Exact match | 427 contacts → |
“Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Boskalis Westminster LTDboskalis.co.ukHQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 404 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ashtead Technologyashtead-technology.comHQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 398 contacts → |
“Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Boston Energybostonenergy.co.ukHQ: Hessle, United KingdomReported employees: 51-200 | Hessle, United Kingdom | 51-200 | Exact match | 386 contacts → |
“Boston Energy is a specialist delivery partner to the offshore wind industry, supporting OEMs, Developers, Tier 1 contractors and vessel owners across the full wind farm lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Global Marineglobalmarine.co.ukHQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 371 contacts → |
“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Denholm Industrial Servicesdenholm-industrial.comHQ: Yeovil, United KingdomReported employees: 501-1,000 | Yeovil, United Kingdom | 501-1,000 | Exact match | 285 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  TEXOtexo.co.ukHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 235 contacts → |
“TEXO is a dynamic, UK-based industrial services provider that believes in meeting challenges head on.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sulmarasulmara.comHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 232 contacts → |
“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Trac Energy LTDtracenergy.comHQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“TRAC Energy Ltd is a leading global provider of Access Solutions, Inspection, Repair and Maintenance services for the Energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Acteonacteon.comHQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 193 contacts → |
“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Enshore Subseaenshoresubsea.comHQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 190 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Express Engineeringexpress-engineering.co.ukHQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 189 contacts → |
“Express Engineering manufacturer turnkey products that control and connect subsea equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ferguson Marine Port Glasgow Limitedfergusonmarine.comHQ: Port Glasgow, United KingdomReported employees: 201-500 | Port Glasgow, United Kingdom | 201-500 | Exact match | 173 contacts → |
“Ferguson Marine (Port Glasgow) Limited is Scotland's leading company in new build, refit and ship repair.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Seatrium Offshore Renewable Services LTDseatriumors.comHQ: Lowestoft, United KingdomReported employees: Not recorded | Lowestoft, United Kingdom | Not recorded | Exact match | 165 contacts → |
“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 677 company matches
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Subsea infrastructure contractors: dataset insights
November 6, 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
656 records in the displayed employee bands.
21 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 677 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: November 6, 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 ↗
Subsea infrastructure contractors by metro
Questions about this company list
What does Exact match mean for subsea 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 subsea infrastructure contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 677 matching company records, 32,569 tracked contacts and 10,294 verified emails. The public preview displays 22 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: November 6, 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
Subsea infrastructure contractors by geography
- Subsea infrastructure contractors based in Perth, Australia
- Subsea infrastructure contractors based in Rio De Janeiro, Brazil
- Subsea infrastructure contractors based in Mumbai, India
- Subsea infrastructure contractors based in Kuala Lumpur, Malaysia
- Subsea infrastructure contractors based in Rotterdam, Netherlands
- Subsea infrastructure contractors based in Lagos, Nigeria
- Subsea infrastructure contractors based in Port Harcourt, Nigeria
- Subsea infrastructure contractors based in Stavanger, Norway
- Subsea infrastructure contractors based in Singapore, Singapore
- Subsea infrastructure contractors based in Abu Dhabi, United Arab Emirates
- Subsea infrastructure contractors based in Dubai, United Arab Emirates
- Subsea infrastructure contractors based in Aberdeen, United Kingdom
Cite this list
RevenueBase Data Team. Top 22 subsea infrastructure contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-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
- Subsea infrastructure contractors based in Perth, Australia
- Subsea infrastructure contractors based in Rio De Janeiro, Brazil
- Subsea infrastructure contractors based in Mumbai, India
- Subsea infrastructure contractors based in Kuala Lumpur, Malaysia
- Subsea infrastructure contractors based in Rotterdam, Netherlands
- Subsea infrastructure contractors based in Lagos, Nigeria
Company intelligence · public preview
Top 22 subsea infrastructure contractors based in the United Kingdom
RevenueBase records 677 matching company records for subsea infrastructure contractors based in the United Kingdom, with 32,569 tracked contacts and 10,294 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 22 subsea 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 | Murphymurphygroup.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,366 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bilfinger UKbilfinger.com HQ: Warrington, United KingdomReported employees: 1,001-5,000 | Warrington, United Kingdom | 1,001-5,000 | Exact match | 2,207 contacts → |
“With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Altera Infrastructurealterainfra.com HQ: Aberdeenshire, United KingdomReported employees: 501-1,000 | Aberdeenshire, United Kingdom | 501-1,000 | Exact match | 972 contacts → |
“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Amcogiffenamco-construction.co.uk HQ: Barnsley, United KingdomReported employees: 1,001-5,000 | Barnsley, United Kingdom | 1,001-5,000 | Exact match | 871 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Boskalis Subsea Servicesboskalis.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 564 contacts → |
“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Gardline Limitedgardline.com HQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 557 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Joseph Gallagher Limitedjosephgallagher.co.uk HQ: Stanford-le-hope, United KingdomReported employees: 501-1,000 | Stanford-le-hope, United Kingdom | 501-1,000 | Exact match | 539 contacts → |
“Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PBS By Ponticellipbs-offshore.com HQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 492 contacts → |
“Ponticelli, Brand and Semco joined forces in 2019 to establish “PBS by Ponticelli”, an Aberdeen-based integrated services consortium led by Ponticelli.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Briggs Marinebriggsmarine.com HQ: Burntisland, United KingdomReported employees: 501-1,000 | Burntisland, United Kingdom | 501-1,000 | Exact match | 427 contacts → |
“Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 404 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ashtead Technologyashtead-technology.com HQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 398 contacts → |
“Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Boston Energybostonenergy.co.uk HQ: Hessle, United KingdomReported employees: 51-200 | Hessle, United Kingdom | 51-200 | Exact match | 386 contacts → |
“Boston Energy is a specialist delivery partner to the offshore wind industry, supporting OEMs, Developers, Tier 1 contractors and vessel owners across the full wind farm lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Global Marineglobalmarine.co.uk HQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 371 contacts → |
“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Denholm Industrial Servicesdenholm-industrial.com HQ: Yeovil, United KingdomReported employees: 501-1,000 | Yeovil, United Kingdom | 501-1,000 | Exact match | 285 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TEXOtexo.co.uk HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 235 contacts → |
“TEXO is a dynamic, UK-based industrial services provider that believes in meeting challenges head on.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sulmarasulmara.com HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 232 contacts → |
“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trac Energy LTDtracenergy.com HQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“TRAC Energy Ltd is a leading global provider of Access Solutions, Inspection, Repair and Maintenance services for the Energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Acteonacteon.com HQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 193 contacts → |
“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Enshore Subseaenshoresubsea.com HQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 190 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Express Engineeringexpress-engineering.co.uk HQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 189 contacts → |
“Express Engineering manufacturer turnkey products that control and connect subsea equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ferguson Marine Port Glasgow Limitedfergusonmarine.com HQ: Port Glasgow, United KingdomReported employees: 201-500 | Port Glasgow, United Kingdom | 201-500 | Exact match | 173 contacts → |
“Ferguson Marine (Port Glasgow) Limited is Scotland's leading company in new build, refit and ship repair.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Seatrium Offshore Renewable Services LTDseatriumors.com HQ: Lowestoft, United KingdomReported employees: Not recorded | Lowestoft, United Kingdom | Not recorded | Exact match | 165 contacts → |
“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Subsea infrastructure contractors: dataset insights
November 6, 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
656 records in the displayed employee bands.
21 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 677 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: November 6, 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 ↗
Subsea infrastructure contractors by metro
Questions about this company list
What does Exact match mean for subsea 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 subsea infrastructure contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 677 matching company records, 32,569 tracked contacts and 10,294 verified emails. The public preview displays 22 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: November 6, 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
Subsea infrastructure contractors by geography
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- Subsea infrastructure contractors based in Aberdeen, United Kingdom
Cite this list
RevenueBase Data Team. Top 22 subsea infrastructure contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-infrastructure-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Subsea infrastructure contractors based in Perth, Australia
- Subsea infrastructure contractors based in Rio De Janeiro, Brazil
- Subsea infrastructure contractors based in Mumbai, India
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