Company lists · Data refreshed September 2026

Top 25 Solar proposal software companies based in the United Kingdom

Name: Solar proposal software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 665 companies tracked

RevenueBase identified 665 solar proposal software companies headquartered in the United Kingdom as of September 2026 and tracks 3,970 professional contacts across them, including 1,529 with verified work emails. London is the largest hub.

This list covers solar proposal software companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

665Companies

3,970Contacts tracked

1,529Verified emails

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The 25 largest solar proposal software companies based in the United Kingdom

Ranked by team size

Top 25 of 665 solar proposal software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to solar proposal software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Correla	Indirect evidence	Solihull, United KingdomHQ checked Sep 29, 2026	201-500	293 contacts →
	Indirect evidence “Correla exists because we dream of a simpler, greener society powered by our investment in innovation and our passion for customers.” Source: RevenueBase Database · checked Sep 29, 2026
2	Myenergi	Indirect evidence	Stallingborough, United KingdomHQ checked Sep 29, 2026	201-500	168 contacts →
	Indirect evidence “We give you control of your generated green energy, creating the ultimate eco-smart home.” Source: RevenueBase Database · checked Sep 29, 2026
3	Project Solar UK	Partial evidence	Burton On Trent, United KingdomHQ checked Sep 29, 2026	201-500	122 contacts →
	Partial evidence “Project Solar UK Ltd are a well-established Renewable Energy company.” Source: RevenueBase Database · checked Sep 29, 2026
4	Sunel Group	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	201-500	113 contacts →
	Partial evidence “SUNEL GROUP is a globally recognized EPC Contractor and Developer for Solar projects.” Source: RevenueBase Database · checked Sep 29, 2026
5	Cleaner Group	Partial evidence	Wakefield, United KingdomHQ checked Sep 29, 2026	11-50	80 contacts →
	Partial evidence “Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Source: RevenueBase Database · checked Sep 29, 2026
6	Evergen Solar	Partial evidence	Maidenhead, United KingdomHQ checked Sep 29, 2026	51-200	79 contacts →
	Partial evidence “Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Source: RevenueBase Database · checked Sep 29, 2026
7	Evoenergy	Indirect evidence	Nottingham, United KingdomHQ checked Sep 29, 2026	11-50	54 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
8	Cambridge Energy	Partial evidence	Cambridge, United KingdomHQ checked Sep 29, 2026	11-50	50 contacts →
	Partial evidence “Cambridge Energy is a pioneering circular solar technology manufacturer that specializes in designing and producing prefabricated, movable, and reusable solar trackers for…” Source: RevenueBase Database · checked Sep 29, 2026
9	UPOWA	Indirect evidence	Whiteley, United KingdomHQ checked Sep 29, 2026	11-50	42 contacts →
	Indirect evidence “We provide a one-stop-shop of sustainable technology solutions to accelerate the journey to net-zero.” Source: RevenueBase Database · checked Sep 29, 2026
10	Solarsense UK Certified B Corporation	Partial evidence	Clevedon, United KingdomHQ checked Sep 29, 2026	51-200	39 contacts →
	Partial evidence “SolarSense specialise in the design, installation and maintenance of solar panels, energy storage, solar carports and other renewable energy technologies.” Source: RevenueBase Database · checked Sep 29, 2026
11	Start Solar UK & Ireland	Partial evidence	Lissue Industrial Estate, United KingdomHQ checked Sep 29, 2026	51-200	39 contacts →
	Partial evidence “Start Solar is a renewable energy – design and installation – company that specialises in a range of renewable energy solutions.” Source: RevenueBase Database · checked Sep 29, 2026
12	Pure Renewables	Partial evidence	Hull, United KingdomHQ checked Sep 29, 2026	11-50	37 contacts →
	Partial evidence “As commercial and industrial heat pump and solar PV specialists, Pure Renewables are here to help you invest in your energy future.” Source: RevenueBase Database · checked Sep 29, 2026
13	Sungift Solar	Partial evidence	Exeter, United KingdomHQ checked Sep 29, 2026	51-200	35 contacts →
	Partial evidence “SunGift Solar are an award-winning renewable energy company, founded in 2005.” Source: RevenueBase Database · checked Sep 29, 2026
14	Centreco UK LTD	Partial evidence	Chorley, United KingdomHQ checked Sep 29, 2026	51-200	34 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026
15	Forster Group	Indirect evidence	Brechin, United KingdomHQ checked Sep 29, 2026	51-200	33 contacts →
	Indirect evidence “Forster Group is one of Scotland’s leading renewable energy and roofing specialists, combining over three decades of expertise with a forward-thinking approach.” Source: RevenueBase Database · checked Sep 29, 2026
16	Infinity Renewables Group	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	51-200	32 contacts →
	Partial evidence “Infinity is a leading full service residential and commercial solar provider.” Source: RevenueBase Database · checked Sep 29, 2026
17	Naked Solar B-Corp	Partial evidence	Newquay, United KingdomHQ checked Sep 29, 2026	51-200	29 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
18	Beba Energy UK	Partial evidence	Hemel Hempstead, United KingdomHQ checked Sep 29, 2026	11-50	28 contacts →
	Partial evidence “Established in 2010, BeBa Energy have been developing, designing, installing and maintaining the highest quality commercial solar PV systems.” Source: RevenueBase Database · checked Sep 29, 2026
19	AES Solar	Partial evidence	Forres, United KingdomHQ checked Sep 29, 2026	11-50	25 contacts →
	Partial evidence “AES Solar were established in 1979 in the North-East of Scotland and despite remaining loyal to our local roots we have become the leading solar specialists in Scotland and…” Source: RevenueBase Database · checked Sep 29, 2026
20	Green Nation	Partial evidence	Radstock, United KingdomHQ checked Sep 29, 2026	11-50	25 contacts →
	Partial evidence “We are a UK-based solar company and our business is to generate renewable power, and to help other people become generators.” Source: RevenueBase Database · checked Sep 29, 2026
21	Green Energy International Limited	Partial evidence	Cheadle Hulme, United KingdomHQ checked Sep 29, 2026	11-50	24 contacts →
	Partial evidence “Green Energy International Limited (GEIL) operates in the renewable energy market specialising in solar energy development.” Source: RevenueBase Database · checked Sep 29, 2026
22	Perfect Sense Energy	Partial evidence	Leigh, United KingdomHQ checked Sep 29, 2026	11-50	23 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
23	GEO Green Power	Partial evidence	Nottingham, United KingdomHQ checked Sep 29, 2026	51-200	22 contacts →
	Partial evidence “Geo Green Power are experts in commercial solar installation, and installing renewable energy across the UK.” Source: RevenueBase Database · checked Sep 29, 2026
24	SOL PV Group LTD	Partial evidence	Mytholmroyd, United KingdomHQ checked Sep 29, 2026	11-50	22 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026
25	Rayotec LTD	Indirect evidence	Sunbury On Thames, United KingdomHQ checked Sep 29, 2026	11-50	22 contacts →
	Indirect evidence “Rayotec are specialists in renewable energy solutions.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: solar proposal software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names solar proposal software companies.
Partial evidence: Its own public description names part of solar proposal software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name solar proposal software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 665 solar proposal software companies based in the United Kingdom

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Solar proposal software companies based in the United Kingdom at a glance

As of Sep 29, 2026

38.5%Verified-email coverage

6.0Average contacts per company

1-10Median size (employees)

12.9%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

399

11-50

210

51-200

201-500

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 665 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among solar proposal software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “solar proposal software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names solar proposal software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among solar proposal software companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,529 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Solar proposal software companies by metro

Solar proposal software companies in London86

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names solar proposal software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many solar proposal software companies are there based in the United Kingdom?

RevenueBase identified 665 solar proposal software companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Correla, headquartered in Solihull, tops this list with the largest team on record.

Which city has the most solar proposal software companies?

London leads with 86 headquartered companies, followed by Glasgow (12) and Manchester (12).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,529 verified decision-maker contacts tracked across these 665 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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 Smart Search, 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.