Company lists · Data refreshed October 2026

Top 25 Energy transition infrastructure investors based in the United Kingdom

RevenueBase identified 330 company matches for energy transition infrastructure investors associated with the United Kingdom as of October 2026 and tracks 21,110 professional contacts across them, including 8,631 with verified work emails. London is the largest hub.

This list covers company matches for energy transition infrastructure investors 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 October 12, 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 Oct 12, 2026 How this list was built
330Companies
21,110Contacts tracked
8,631Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy transition infrastructure investors based in the United Kingdom

Ranked by team size
Top 25 of 330 company matches for energy transition infrastructure investors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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 matchGlasgow, United KingdomHQ recorded Oct 12, 20265,001-10,0004,449 contacts →

Exact match

“Transforming the UK’s energy system, from power to plug.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchKings Langley, United KingdomHQ recorded Oct 12, 20261,001-5,0003,875 contacts →

Exact match

“RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchPerth, United KingdomHQ recorded Oct 12, 20261,001-5,0001,643 contacts →

Exact match

“SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 12, 20261,001-5,0001,116 contacts →

Exact match

“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchManchester, United KingdomHQ recorded Oct 12, 20261,001-5,000753 contacts →

Exact match

“We are Calisen.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 12, 2026501-1,000593 contacts →

Exact match

“Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 12, 20261,001-5,000524 contacts →

Exact match

“Atlantica is a sustainable infrastructure company that owns, manages, develops, builds and invests in renewable energy, storage, efficient natural gas and heat, transmission lines…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchAberdeen, United KingdomHQ recorded Oct 12, 2026501-1,000453 contacts →

Exact match

“We are a pioneering energy transition company with a portfolio and ambitions that span the breadth of the energy transition.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 12, 2026501-1,000423 contacts →

Exact match

“Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500358 contacts →

Exact match

“We're Zenobē Energy and we're on a mission to make clean power accessible.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchAldermaston Nr Reading, United KingdomHQ recorded Oct 12, 2026201-500204 contacts →

Exact match

“Anesco is a market leader in renewable energy and energy efficiency.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200189 contacts →

Exact match

“Low Carbon creates renewable energy to fight climate change.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchExeter, United KingdomHQ recorded Oct 12, 202651-200178 contacts →

Exact match

“Ethical Power Group launched in the UK in 2010.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200168 contacts →

Exact match

“Statera Energy is a UK-based energy company that develops, owns, and operates flexible generation, battery storage, pumped hydro and green hydrogen projects.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500167 contacts →

Exact match

“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchShepton Mallet, United KingdomHQ recorded Oct 12, 202651-200162 contacts →

Exact match

“Clean energy, powered with purpose.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500145 contacts →

Exact match

“We help our clients to invest in and navigate the energy transition.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200130 contacts →

Exact match

“Schroders Greencoat is a specialist investment manager dedicated to renewable infrastructure, with over £8.5 billion under management.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchDundee, United KingdomHQ recorded Oct 12, 2026201-500111 contacts →

Exact match

“TSG UK is the leading UK provider of turnkey multi‑energy infrastructure solutions, supporting the transition from traditional fuels to EV charging, solar and new energies.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200100 contacts →

Exact match

“Highview is a leading energy infrastructure business.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchSwindon, United KingdomHQ recorded Oct 12, 202651-20090 contacts →

Exact match

“Private Energy Partners (PEP) is an affiliate of Quinbrook, a specialist investment manager focused exclusively on the infrastructure needed to drive the energy and digital…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20079 contacts →

Exact match

“Nala Renewables is a London-headquartered global renewable energy company.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchReading, United KingdomHQ recorded Oct 12, 202651-20078 contacts →

Exact match

“Enviromena is an independent power producer operating across the UK and Europe.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-50075 contacts →

Exact match

“NextEnergy Capital was founded in 2007 to become the leading specialist investment and asset manager in the solar sector.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5067 contacts →

Exact match

“One Search is an executive search firm founded in 2006 and dedicated since inception to the infrastructure and energy transition asset class.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 330 energy transition infrastructure investors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 8,631 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy transition infrastructure investors based in the United Kingdom at a glance

As of Oct 12, 2026
40.9%Verified-email coverage
64.0Average contacts per company
11-50Median size (employees)
62.1%Largest-city concentration · London
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
156
11-50
108
51-200
39
201-500
12
501-1,000
6
1,001-5,000
7
5,001-10,000
1
10001+
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 330 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 transition infrastructure investors” 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 8,631 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 October 12, 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.

Energy transition infrastructure investors by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy transition infrastructure investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy transition infrastructure investors are there based in the United Kingdom?

RevenueBase identified 330 company matches for energy transition infrastructure investors associated with the United Kingdom as of October 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?

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

Which city has the most energy transition infrastructure investors?

London leads with 205 company records, followed by Edinburgh (7) and Bristol (5).

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 8,631 professional contacts with verified work emails tracked across these 330 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 October 12, 2026.

Ready to reach these companies? Verified emails and direct dials for all 330 energy transition infrastructure investors based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.