Company lists · Data refreshed November 2026

Top 25 Solar thermal systems integrators based in the United Kingdom

RevenueBase identified 634 company matches for solar thermal systems integrators associated with the United Kingdom as of November 2026 and tracks 3,667 professional contacts across them, including 1,300 with verified work emails. London is the largest hub.

This list covers company matches for solar thermal systems integrators 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 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
634Companies
3,667Contacts tracked
1,300Verified emails
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The 25 largest solar thermal systems integrators based in the United Kingdom

Ranked by team size
Top 25 of 634 company matches for solar thermal systems integrators based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurton On Trent, United KingdomHQ recorded Nov 5, 2026201-500125 contacts →

Exact match

“Project Solar UK Ltd are a well-established Renewable Energy company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBournemouth, United KingdomHQ recorded Nov 5, 202651-200125 contacts →

Exact match

“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLeeds, United KingdomHQ recorded Nov 5, 202651-20093 contacts →

Exact match

“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCambridge, United KingdomHQ recorded Nov 5, 202651-20087 contacts →

Exact match

“CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchHoniton, United KingdomHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchNottingham, United KingdomHQ recorded Nov 5, 202611-5058 contacts →

Exact match

“Driving the market through innovation, EvoEnergy are the UK’s leading energy technology solutions provider, helping blue-chip clients and SME’s turn their sites into ‘sustainable…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchClevedon, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“SolarSense specialise in the design, installation and maintenance of solar panels, energy storage, solar carports and other renewable energy technologies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchHull, United KingdomHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“As commercial and industrial heat pump and solar PV specialists, Pure Renewables are here to help you invest in your energy future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchCrawley, United KingdomHQ recorded Nov 5, 202611-5041 contacts →

Exact match

“Naked Energy’s purpose is to change energy for good; for the better and forever.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchChorley, United KingdomHQ recorded Nov 5, 202651-20041 contacts →

Exact match

“Centreco are a leading provider of commercial solar energy systems to companies throughout the United Kingdom, part of Certas Energy UK a member of DCC Group Plc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchDundrod Rd, United KingdomHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“Founded in 2008, Solmatix is one of the UK's and Ireland's leading renewable energy specialists, delivering innovative, high-quality energy solutions for commercial, industrial…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchExeter, United KingdomHQ recorded Nov 5, 202651-20036 contacts →

Exact match

“SunGift Solar are an award-winning renewable energy company, founded in 2005.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchReading, United KingdomHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“Photon Energy specialises in the design, supply, installation and maintenance of solar PV and battery storage systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBrechin, United KingdomHQ recorded Nov 5, 202651-20035 contacts →

Exact match

“Forster Group is one of Scotland’s leading renewable energy and roofing specialists, combining over three decades of expertise with a forward-thinking approach.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchNewquay, United KingdomHQ recorded Nov 5, 202651-20033 contacts →

Exact match

“2024: BCorp Certified 2023: South West Installer of the Year - Energy Efficiency Awards 2022: National Solar Installer Award Winner - Energy Efficiency Awards 2022: South West…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchPerranporth, United KingdomHQ recorded Nov 5, 202651-20033 contacts →

Exact match

“Natural Generation specialises in all aspects of commercial and domestic solar and battery storage installation and maintenance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchHorley, United KingdomHQ recorded Nov 5, 202651-20031 contacts →

Exact match

“isoenergy are renewable energy experts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchHemel Hempstead, United KingdomHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“Established in 2010, BeBa Energy have been developing, designing, installing and maintaining the highest quality commercial solar PV systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Welcome to Edinburgh Boiler Company, your local energy specialist.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“With over 70 years combined industry experience, Envirolec Smart Energy Solutions has gained vital expertise and experience in a number of Renewable Technologies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20023 contacts →

Exact match

“Upvolt helps homeowners take control of their energy with smart solar, heating and home energy management systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchHalifax, United KingdomHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“At Sol PV Group, we have a comprehensive understanding of the commercial solar sector, where we’ve become one of the nation’s most trusted names for green energy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchAmmanford, United KingdomHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“Thermal Earth is a leading UK distributor of renewable heating technologies incorporating wood biomass boilers, heat pumps and solar thermal systems based in South Wales.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLeigh, United KingdomHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Perfect Sense Energy is a supplier & Installer of Commercial Solar PV systems which was formed in 2010 to help companies to find the most effective ways in which to cut their…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSunbury On Thames, United KingdomHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Rayotec are specialists in renewable energy solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 634 solar thermal systems integrators based in the United Kingdom

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Solar thermal systems integrators based in the United Kingdom at a glance

As of Nov 5, 2026
35.5%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
5.0%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
361
11-50
206
51-200
41
201-500
5
1,001-5,000
1

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 634 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 “solar thermal systems integrators” 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 1,300 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 5, 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 “solar thermal systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar thermal systems integrators are there based in the United Kingdom?

RevenueBase identified 634 company matches for solar thermal systems integrators 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?

Project Solar UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most solar thermal systems integrators?

London leads with 32 company records, followed by Leeds (10) and Manchester (10).

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 1,300 professional contacts with verified work emails tracked across these 634 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 634 solar thermal systems integrators based in the United Kingdom. Start with a free account, no credit card.

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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.