Company lists · Data refreshed September 2026

Top 25 Renewable energy installation contractors based in London, United Kingdom

Name: Renewable energy installation contractors based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 176 companies tracked

RevenueBase identified 176 company matches for renewable energy installation contractors associated with London, United Kingdom as of September 2026 and tracks 1,409 professional contacts across them, including 471 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for renewable energy installation contractors associated with London, 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 17, 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 Sep 17, 2026 How this list was built

176Companies

1,409Contacts tracked

471Verified emails

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The 25 largest renewable energy installation contractors based in London, United Kingdom

Ranked by team size

Top 25 of 176 company matches for renewable energy installation contractors based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SO Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	378 contacts →
	Exact match “We do energy, you do you.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Purdy Part Of Sureserve	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	85 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	AMD Group	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
4	Innova	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	77 contacts →
	Exact match “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Golden Globe Merchants LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	38 contacts →
	Exact match “At Golden Globe Merchants, we deliver high-performance, energy-efficient solutions designed to future-proof UK homes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Infinity Renewables Group	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	32 contacts →
	Exact match “Infinity is a leading full service residential and commercial solar provider.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Ortus Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “Ortus Energy is powering up industry across the UK & Ireland by delivering on-site renewable energy on a commercial scale.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Excel Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “At Excel Energy, we are passionate about driving the adoption of commercial solar power in the business world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Envirolec Smart Energy Solutions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	17 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 · Sep 17, 2026 · View company records in RevenueBase
10	Sustain Certified B Corp	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Our mission is to help make our customers’ homes smarter, more efficient and cost less to run while helping the world get a cleaner energy system.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	BTP Consultants	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “We design mechanical and electrical systems, advise on all aspects of energy, carbon reduction and building physics.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Arin Power	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Helping the UK make the switch to a solar-powered future!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Upvolt	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	11 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 · Sep 17, 2026 · View company records in RevenueBase
14	Novalux Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Novalux Energy install and maintain solar PV and Energy from Waste (EfW) plants which provide heat and power to businesses on a smaller distributed scale.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	DX Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “A provider of renewable energy generation, offering end-to-end products and solution.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Upsidevalue Group	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Transforming Power Generation Our vision is to transform power generation by developing and deploying cost effective, large scale renewable source infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	TWO Blues Solar	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Two Blues Solar was created to help businesses obtain the benefits of solar PV, where capital, complexity or other restrictions previously hindered them.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Freetricity Limited	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Freetricity has been installing and providing Solar PV systems since 2010.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Polkadot Plumbers	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “NEW for 2023: We now offer ELECTRICALSand RENEWABLES as well as PLUMBING and HEATING!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Dwellow	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “We make home upgrades simple.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Nxgen Solar	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “NXGEN Solar is a UK-based company that provides innovative, efficient and cost-effective solar power solutions to a wide range of customers from government level to industrial and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Vezo Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Vezo Energy delivers professional electrical, construction and facilities services for offices, leisure facilities, hospitals, property managers, commercial properties and luxury…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Rapid Renewables	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Rapid Renewables is a leading stockist and trade distributor of renewable energy solutions for commercial and residential installations, including solar photovoltaic (PV) panels…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Onroute	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Established in 2008, Onroute has enabled our customers to deliver over 1M low carbon tech installations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Anergy LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Anergy are a specialised engineering company providing reliable energy solutions to an evolving energy market.” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable energy installation 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 176 renewable energy installation contractors based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 471 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy installation contractors based in London, United Kingdom at a glance

As of Sep 17, 2026

33.4%Verified-email coverage

8.0Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

101

11-50

51-200

201-500

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 176 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 London, United Kingdom whose business descriptions match “renewable energy installation 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 471 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 17, 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.

Renewable energy installation contractors by metro in the United Kingdom

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 “renewable energy installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy installation contractors are there based in London, United Kingdom?

RevenueBase identified 176 company matches for renewable energy installation contractors associated with London, 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?

SO Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most renewable energy installation contractors?

London leads the United Kingdom with 176 company records, followed by Glasgow (39) and Manchester (35).

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 471 professional contacts with verified work emails tracked across these 176 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 17, 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 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.