Company lists · Data refreshed November 2026
Top 25 Power generation contractors based in the United Kingdom
RevenueBase identified 848 company matches for power generation contractors associated with the United Kingdom as of November 2026 and tracks 26,816 professional contacts across them, including 7,842 with verified work emails. London is the largest hub.
This list covers company matches for power generation 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 25 largest power generation contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 871 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 760 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 740 contacts → | ||||
Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 729 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 503 contacts → | ||||
Exact match “As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 456 contacts → | ||||
Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 422 contacts → | ||||
Exact match “A world of change brings wide-ranging challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 421 contacts → | ||||
Exact match “Trant Engineering Ltd is one of the leading, privately owned engineering companies in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 275 contacts → | ||||
Exact match “Rainham provides specialist industrial services that support the installation, maintenance, refurbishment, decommissioning and replacement of large industrial plants and building…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 229 contacts → | ||||
Exact match “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 226 contacts → | ||||
Exact match “At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 198 contacts → | ||||
Exact match “P.N.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 195 contacts → | ||||
Exact match “Centrax Gas Turbines manufacture gas turbine-powered generator sets ranging from 3.9 MW to 15 MW.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 152 contacts → | ||||
Exact match “MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 148 contacts → | ||||
Exact match “We provide a full range of Mechanical, Electrical, Energy and Renewables installation and maintenance services to clients, across both public and private sectors throughout the UK…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 144 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 129 contacts → | ||||
Exact match “As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 129 contacts → | ||||
Exact match “Powered by People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 127 contacts → | ||||
Exact match “ReachActive provides specialist engineering services across the power, multi-utility and building services sectors within the UK and Ireland market-space.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 124 contacts → | ||||
Exact match “WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 123 contacts → | ||||
Exact match “TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 117 contacts → | ||||
Exact match “Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 110 contacts → | ||||
Exact match “Oakray was established in 1979 and we are very proud of our long heritage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 98 contacts → | ||||
Exact match “Why are we here?” 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 “power generation contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 848 power generation contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 7,842 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Power generation 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 848 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 “power generation 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 7,842 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.
Power generation 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 “power generation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many power generation contractors are there based in the United Kingdom?
RevenueBase identified 848 company matches for power generation 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?
Bilfinger UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most power generation contractors?
London leads with 60 company records, followed by Manchester (28) and Glasgow (15).
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 7,842 professional contacts with verified work emails tracked across these 848 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 848 power generation contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Power generation contractors by geography
- Power generation contractors based in Buenos Aires, Argentina
- Power generation contractors based in Brisbane, Australia
- Power generation contractors based in Melbourne, Australia
- Power generation contractors based in Perth, Australia
- Power generation contractors based in Dhaka, Bangladesh
- Power generation contractors based in Belo Horizonte, Brazil
- Power generation contractors based in Curitiba, Brazil
- Power generation contractors based in Recife, Brazil
- Power generation contractors based in Rio De Janeiro, Brazil
- Power generation contractors based in Sao Paulo, Brazil
- Power generation contractors based in Calgary, Canada
- Power generation contractors based in Edmonton, Canada
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
- Power generation contractors based in Buenos Aires, Argentina
- Power generation contractors based in Brisbane, Australia
- Power generation contractors based in Melbourne, Australia
- Power generation contractors based in Perth, Australia
- Power generation contractors based in Dhaka, Bangladesh
- Power generation contractors based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 power generation 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 848 matching company records for power generation contractors based in the United Kingdom, with 26,816 tracked contacts and 7,842 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: 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 25 power generation 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  Aureosaureos.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 760 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Freedomngbailey.comHQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PX Grouppxlimited.comHQ: Stockton On Tees, United KingdomReported employees: 501-1,000 | Stockton On Tees, United Kingdom | 501-1,000 | Exact match | 729 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Balfour Beatty Kilpatrickbalfourbeatty.comHQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 503 contacts → |
“As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quartzelec Limitedquartzelec.comHQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Nexos Groupnexos-group.comHQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 422 contacts → |
“A world of change brings wide-ranging challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Trant Engineering LTDtrant.co.ukHQ: Southampton, United KingdomReported employees: 501-1,000 | Southampton, United Kingdom | 501-1,000 | Exact match | 421 contacts → |
“Trant Engineering Ltd is one of the leading, privately owned engineering companies in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rainham Industrial Services LTDrainhamis.comHQ: Essex, United KingdomReported employees: 501-1,000 | Essex, United Kingdom | 501-1,000 | Exact match | 275 contacts → |
“Rainham provides specialist industrial services that support the installation, maintenance, refurbishment, decommissioning and replacement of large industrial plants and building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Actemium UKactemium.co.ukHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  PN Daly Limitedpndaly.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“P.N.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Centrax GAS Turbinescentraxgt.comHQ: Newton Abbot, United KingdomReported employees: 201-500 | Newton Abbot, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Centrax Gas Turbines manufacture gas turbine-powered generator sets ranging from 3.9 MW to 15 MW.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MCSmcsmc.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 152 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Irwin M&eirwinm-e.comHQ: Portadown, United KingdomReported employees: 201-500 | Portadown, United Kingdom | 201-500 | Exact match | 148 contacts → |
“We provide a full range of Mechanical, Electrical, Energy and Renewables installation and maintenance services to clients, across both public and private sectors throughout the UK…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Z-Tech Control Systems LTDz-tech.co.ukHQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Unitbirwelcounitbirwelco.comHQ: Elba Crescent, United KingdomReported employees: 201-500 | Elba Crescent, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Powersystemspowersystemsuk.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 129 contacts → |
“Powered by People.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Reach Active Limitedreachactive.comHQ: Hertford, United KingdomReported employees: 201-500 | Hertford, United Kingdom | 201-500 | Exact match | 127 contacts → |
“ReachActive provides specialist engineering services across the power, multi-utility and building services sectors within the UK and Ireland market-space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  WB Power Services LTDwbpsltd.co.ukHQ: Heanor, United KingdomReported employees: 51-200 | Heanor, United Kingdom | 51-200 | Exact match | 124 contacts → |
“WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  TES Grouptesgroup.comHQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 123 contacts → |
“TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  East West Connect LTDeastwestconnect.comHQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 117 contacts → |
“Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Oakray Limitedoakray.co.ukHQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 110 contacts → |
“Oakray was established in 1979 and we are very proud of our long heritage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Spirax Sarco UK And Irelandspiraxsarco.comHQ: Cheltenham, United KingdomReported employees: 1,001-5,000 | Cheltenham, United Kingdom | 1,001-5,000 | Exact match | 98 contacts → |
“Why are we here?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 848 company matches
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Power generation 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
823 records in the displayed employee bands.
25 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 848 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 ↗
Power generation contractors by metro
Questions about this company list
What does Exact match mean for power generation 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 power generation contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 848 matching company records, 26,816 tracked contacts and 7,842 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: 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
Power generation contractors by geography
- Power generation contractors based in Buenos Aires, Argentina
- Power generation contractors based in Brisbane, Australia
- Power generation contractors based in Melbourne, Australia
- Power generation contractors based in Perth, Australia
- Power generation contractors based in Dhaka, Bangladesh
- Power generation contractors based in Belo Horizonte, Brazil
- Power generation contractors based in Curitiba, Brazil
- Power generation contractors based in Recife, Brazil
- Power generation contractors based in Rio De Janeiro, Brazil
- Power generation contractors based in Sao Paulo, Brazil
- Power generation contractors based in Calgary, Canada
- Power generation contractors based in Edmonton, Canada
Cite this list
RevenueBase Data Team. Top 25 power generation contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/power-generation-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
- Power generation contractors based in Buenos Aires, Argentina
- Power generation contractors based in Brisbane, Australia
- Power generation contractors based in Melbourne, Australia
- Power generation contractors based in Perth, Australia
- Power generation contractors based in Dhaka, Bangladesh
- Power generation contractors based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 power generation contractors based in the United Kingdom
RevenueBase records 848 matching company records for power generation contractors based in the United Kingdom, with 26,816 tracked contacts and 7,842 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: 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 25 power generation 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | Aureosaureos.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 760 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Freedomngbailey.com HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PX Grouppxlimited.com HQ: Stockton On Tees, United KingdomReported employees: 501-1,000 | Stockton On Tees, United Kingdom | 501-1,000 | Exact match | 729 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Balfour Beatty Kilpatrickbalfourbeatty.com HQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 503 contacts → |
“As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Nexos Groupnexos-group.com HQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 422 contacts → |
“A world of change brings wide-ranging challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Trant Engineering LTDtrant.co.uk HQ: Southampton, United KingdomReported employees: 501-1,000 | Southampton, United Kingdom | 501-1,000 | Exact match | 421 contacts → |
“Trant Engineering Ltd is one of the leading, privately owned engineering companies in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rainham Industrial Services LTDrainhamis.com HQ: Essex, United KingdomReported employees: 501-1,000 | Essex, United Kingdom | 501-1,000 | Exact match | 275 contacts → |
“Rainham provides specialist industrial services that support the installation, maintenance, refurbishment, decommissioning and replacement of large industrial plants and building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Actemium UKactemium.co.uk HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 226 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PN Daly Limitedpndaly.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 198 contacts → |
“P.N.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Centrax GAS Turbinescentraxgt.com HQ: Newton Abbot, United KingdomReported employees: 201-500 | Newton Abbot, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Centrax Gas Turbines manufacture gas turbine-powered generator sets ranging from 3.9 MW to 15 MW.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MCSmcsmc.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 152 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Irwin M&eirwinm-e.com HQ: Portadown, United KingdomReported employees: 201-500 | Portadown, United Kingdom | 201-500 | Exact match | 148 contacts → |
“We provide a full range of Mechanical, Electrical, Energy and Renewables installation and maintenance services to clients, across both public and private sectors throughout the UK…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Z-Tech Control Systems LTDz-tech.co.uk HQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Unitbirwelcounitbirwelco.com HQ: Elba Crescent, United KingdomReported employees: 201-500 | Elba Crescent, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Powersystemspowersystemsuk.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 129 contacts → |
“Powered by People.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Reach Active Limitedreachactive.com HQ: Hertford, United KingdomReported employees: 201-500 | Hertford, United Kingdom | 201-500 | Exact match | 127 contacts → |
“ReachActive provides specialist engineering services across the power, multi-utility and building services sectors within the UK and Ireland market-space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | WB Power Services LTDwbpsltd.co.uk HQ: Heanor, United KingdomReported employees: 51-200 | Heanor, United Kingdom | 51-200 | Exact match | 124 contacts → |
“WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | TES Grouptesgroup.com HQ: Cookstown, United KingdomReported employees: 51-200 | Cookstown, United Kingdom | 51-200 | Exact match | 123 contacts → |
“TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | East West Connect LTDeastwestconnect.com HQ: Perivale, United KingdomReported employees: 201-500 | Perivale, United Kingdom | 201-500 | Exact match | 117 contacts → |
“Founded in 1988, we are a family-owned business of passionate engineers who specialise in building services-driven construction projects, undertaking all major works in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Oakray Limitedoakray.co.uk HQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 110 contacts → |
“Oakray was established in 1979 and we are very proud of our long heritage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Spirax Sarco UK And Irelandspiraxsarco.com HQ: Cheltenham, United KingdomReported employees: 1,001-5,000 | Cheltenham, United Kingdom | 1,001-5,000 | Exact match | 98 contacts → |
“Why are we here?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 848 company matches
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Power generation 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
823 records in the displayed employee bands.
25 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 848 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 ↗
Power generation contractors by metro
Questions about this company list
What does Exact match mean for power generation 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 power generation contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 848 matching company records, 26,816 tracked contacts and 7,842 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: 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.
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Cite this list
RevenueBase Data Team. Top 25 power generation contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/power-generation-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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