Company lists · Data refreshed September 2026
Top 25 Energy engineering firms based in the United Kingdom
RevenueBase identified 809 company matches for energy engineering firms associated with the United Kingdom as of September 2026 and tracks 30,724 professional contacts across them, including 10,205 with verified work emails. London is the largest hub.
This list covers company matches for energy engineering firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest energy engineering firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,297 contacts → | ||||
Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 9,238 contacts → | ||||
Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 1,194 contacts → | ||||
Exact match “Faithful+Gould is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 1,007 contacts → | ||||
Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 653 contacts → | ||||
Exact match “PD & MS Group has full multi-discipline in-house EPCC capability and is recognised as a provider of safe, effective, and cost efficient design and engineering services to onshore…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 367 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 316 contacts → | ||||
Exact match “EIC Partnership: A Legacy of Expertise, A Commitment to Sustainability With origins dating back to 1975, EIC has cultivated nearly 50 years of distinguished service in energy and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 242 contacts → | ||||
Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 190 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 175 contacts → | ||||
Exact match “Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 173 contacts → | ||||
Exact match “The DORIS brand delivers engineering services that enable change across the energy industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 171 contacts → | ||||
Exact match “CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 156 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 126 contacts → | ||||
Exact match “Powered by People.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 124 contacts → | ||||
Exact match “We are an award-winning energy consultancy and certified B Corp™.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 116 contacts → | ||||
Exact match “Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 115 contacts → | ||||
Exact match “At ZTP, we’re committed to accelerating the transition to a more sustainable future by reducing the negative impact of human activity on our planet - ecologically, financially…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 115 contacts → | ||||
Exact match “Longevity Partners is a multidisciplinary energy and sustainability consultancy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 112 contacts → | ||||
Exact match “Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 106 contacts → | ||||
Exact match “Managing business energy can be overwhelming.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 90 contacts → | ||||
Exact match “Katoni provides consulting, engineering, optimisation and emissions reduction support for the Energy Sector.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 88 contacts → | ||||
Exact match “Alfa Energy Group (an Edison Energy company) is an international energy, sustainability and technology consultant partner with 200 employees over four international locations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 88 contacts → | ||||
Exact match “Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 87 contacts → | ||||
Exact match “SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 82 contacts → | ||||
Exact match “AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “energy engineering firms”. 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 809 energy engineering firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 10,205 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Energy engineering firms based in the United Kingdom at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 809 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 “energy engineering firms” 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 10,205 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy engineering firms are there based in the United Kingdom?
RevenueBase identified 809 company matches for energy engineering firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Atkins tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy engineering firms?
London leads with 101 company records, followed by Manchester (21) and Bristol (17).
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 10,205 professional contacts with verified work emails tracked across these 809 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 809 energy engineering firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Energy engineering firms by geography
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
- Energy engineering firms based in Sao Paulo, Brazil
- Energy engineering firms based in Calgary, Canada
- Energy engineering firms based in Edmonton, Canada
- Energy engineering firms based in Montreal, Canada
- Energy engineering firms based in Toronto, Canada
- Energy engineering firms based in Vancouver, 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
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 energy engineering firms 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 809 matching company records for energy engineering firms based in the United Kingdom, with 30,724 tracked contacts and 10,205 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy engineering firms 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 |  Atkinsatkinsglobal.comHQ: Epsom, United KingdomReported employees: 10001+ | Epsom, United Kingdom | 10001+ | Exact match | 9,297 contacts → |
“Atkins is now AtkinsRéalis.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  British GASbritishgas.co.ukHQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 9,238 contacts → |
“Taking care of things.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Faithful Gouldfgould.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,194 contacts → |
“Faithful+Gould is now AtkinsRéalis.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Penspenpenspen.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,007 contacts → |
“Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pd&ms Grouppdms-group.comHQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 653 contacts → |
“PD & MS Group has full multi-discipline in-house EPCC capability and is recognised as a provider of safe, effective, and cost efficient design and engineering services to onshore…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 367 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  EIC Partnershipeic.co.ukHQ: Redditch, United KingdomReported employees: 51-200 | Redditch, United Kingdom | 51-200 | Exact match | 316 contacts → |
“EIC Partnership: A Legacy of Expertise, A Commitment to Sustainability With origins dating back to 1975, EIC has cultivated nearly 50 years of distinguished service in energy and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Intec Energy Solutionsin-tecenergy.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Actemium UKactemium.co.ukHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 190 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Wood Thilstedwoodthilsted.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 175 contacts → |
“Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ODE Doris Group Companydorisgroup.comHQ: Wimbledon, United KingdomReported employees: Not recorded | Wimbledon, United Kingdom | Not recorded | Exact match | 173 contacts → |
“The DORIS brand delivers engineering services that enable change across the energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CFP Energycfp.energyHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 171 contacts → |
“CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Z-Tech Control Systems LTDz-tech.co.ukHQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Powersystemspowersystemsuk.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Powered by People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  AMBERamber.netHQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 124 contacts → |
“We are an award-winning energy consultancy and certified B Corp™.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mackleymackley.co.ukHQ: Small Dole, United KingdomReported employees: 51-200 | Small Dole, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ZTPztpuk.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 115 contacts → |
“At ZTP, we’re committed to accelerating the transition to a more sustainable future by reducing the negative impact of human activity on our planet - ecologically, financially…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Longevity Partnerslongevity-partners.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Longevity Partners is a multidisciplinary energy and sustainability consultancy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Darke & Taylor LTDdarkeandtaylor.co.ukHQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  TROOtroocost.comHQ: Doxford International Business Park, United KingdomReported employees: 51-200 | Doxford International Business Park, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Managing business energy can be overwhelming.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Katoni Engineeringkatoni.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 90 contacts → |
“Katoni provides consulting, engineering, optimisation and emissions reduction support for the Energy Sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Alfa Energy An Edison Energy Companyalfaenergygroup.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 88 contacts → |
“Alfa Energy Group (an Edison Energy company) is an international energy, sustainability and technology consultant partner with 200 employees over four international locations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Picow Engineering Grouppicow.co.uk HQ: Runcorn, United KingdomReported employees: 51-200 | Runcorn, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Services Design Solution SDSsdsolution.co.ukHQ: South West, United KingdomReported employees: 51-200 | South West, United Kingdom | 51-200 | Exact match | 87 contacts → |
“SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AMD Groupamdenvironmental.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 82 contacts → |
“AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 809 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Energy engineering firms: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
802 records in the displayed employee bands.
7 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 809 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy engineering firms?
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 energy engineering firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 809 matching company records, 30,724 tracked contacts and 10,205 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy engineering firms by geography
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
- Energy engineering firms based in Sao Paulo, Brazil
- Energy engineering firms based in Calgary, Canada
- Energy engineering firms based in Edmonton, Canada
- Energy engineering firms based in Montreal, Canada
- Energy engineering firms based in Toronto, Canada
- Energy engineering firms based in Vancouver, Canada
Cite this list
RevenueBase Data Team. Top 25 energy engineering firms based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-engineering-firms/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
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 energy engineering firms based in the United Kingdom
RevenueBase records 809 matching company records for energy engineering firms based in the United Kingdom, with 30,724 tracked contacts and 10,205 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy engineering firms 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 | Atkinsatkinsglobal.com HQ: Epsom, United KingdomReported employees: 10001+ | Epsom, United Kingdom | 10001+ | Exact match | 9,297 contacts → |
“Atkins is now AtkinsRéalis.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | British GASbritishgas.co.uk HQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 9,238 contacts → |
“Taking care of things.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Faithful Gouldfgould.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,194 contacts → |
“Faithful+Gould is now AtkinsRéalis.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Penspenpenspen.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,007 contacts → |
“Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pd&ms Grouppdms-group.com HQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 653 contacts → |
“PD & MS Group has full multi-discipline in-house EPCC capability and is recognised as a provider of safe, effective, and cost efficient design and engineering services to onshore…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 367 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | EIC Partnershipeic.co.uk HQ: Redditch, United KingdomReported employees: 51-200 | Redditch, United Kingdom | 51-200 | Exact match | 316 contacts → |
“EIC Partnership: A Legacy of Expertise, A Commitment to Sustainability With origins dating back to 1975, EIC has cultivated nearly 50 years of distinguished service in energy and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Intec Energy Solutionsin-tecenergy.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Actemium UKactemium.co.uk HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 190 contacts → |
“At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wood Thilstedwoodthilsted.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 175 contacts → |
“Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ODE Doris Group Companydorisgroup.com HQ: Wimbledon, United KingdomReported employees: Not recorded | Wimbledon, United Kingdom | Not recorded | Exact match | 173 contacts → |
“The DORIS brand delivers engineering services that enable change across the energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CFP Energycfp.energy HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 171 contacts → |
“CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Z-Tech Control Systems LTDz-tech.co.uk HQ: Swavesey, United KingdomReported employees: 201-500 | Swavesey, United Kingdom | 201-500 | Exact match | 156 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Powersystemspowersystemsuk.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Powered by People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | AMBERamber.net HQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 124 contacts → |
“We are an award-winning energy consultancy and certified B Corp™.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mackleymackley.co.uk HQ: Small Dole, United KingdomReported employees: 51-200 | Small Dole, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ZTPztpuk.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 115 contacts → |
“At ZTP, we’re committed to accelerating the transition to a more sustainable future by reducing the negative impact of human activity on our planet - ecologically, financially…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Longevity Partnerslongevity-partners.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Longevity Partners is a multidisciplinary energy and sustainability consultancy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Darke & Taylor LTDdarkeandtaylor.co.uk HQ: Oxfordshire, United KingdomReported employees: 51-200 | Oxfordshire, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TROOtroocost.com HQ: Doxford International Business Park, United KingdomReported employees: 51-200 | Doxford International Business Park, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Managing business energy can be overwhelming.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Katoni Engineeringkatoni.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 90 contacts → |
“Katoni provides consulting, engineering, optimisation and emissions reduction support for the Energy Sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Alfa Energy An Edison Energy Companyalfaenergygroup.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 88 contacts → |
“Alfa Energy Group (an Edison Energy company) is an international energy, sustainability and technology consultant partner with 200 employees over four international locations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Picow Engineering Grouppicow.co.uk HQ: Runcorn, United KingdomReported employees: 51-200 | Runcorn, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Services Design Solution SDSsdsolution.co.uk HQ: South West, United KingdomReported employees: 51-200 | South West, United Kingdom | 51-200 | Exact match | 87 contacts → |
“SDS is a forward-looking, dynamic construction consultancy specialising in the design of sustainable, mechanical and electrical engineering systems for buildings.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AMD Groupamdenvironmental.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 82 contacts → |
“AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 809 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Energy engineering firms: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
802 records in the displayed employee bands.
7 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 809 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for energy engineering firms?
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 energy engineering firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 809 matching company records, 30,724 tracked contacts and 10,205 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy engineering firms by geography
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
- Energy engineering firms based in Sao Paulo, Brazil
- Energy engineering firms based in Calgary, Canada
- Energy engineering firms based in Edmonton, Canada
- Energy engineering firms based in Montreal, Canada
- Energy engineering firms based in Toronto, Canada
- Energy engineering firms based in Vancouver, Canada
Cite this list
RevenueBase Data Team. Top 25 energy engineering firms based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-engineering-firms/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
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil