Company lists · Data refreshed September 2026
Top 23 Energy efficiency investment firms based in London, United Kingdom
RevenueBase identified 62 company matches for energy efficiency investment firms associated with London, United Kingdom as of September 2026 and tracks 555 professional contacts across them, including 263 with verified work emails and 49 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for energy efficiency investment firms 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 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.
The 23 largest energy efficiency investment firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 74 contacts → | ||||
Exact match “Sustainable Development Capital LLP (“SDCL”) is a multi-national investment and financial advisory firm, which specialises in environmental infrastructure.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 2 | 60 contacts → | ||||
Exact match “We help heavy industry like steel become more energy efficient through the deployment of intelligent MV motor control via a zero-capex model: guaranteed net savings for the…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 3 | 39 contacts → | ||||
Exact match “Bluewater is a specialist international private equity firm focused on the middle-market energy sector.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match “Tallarna is a climate tech and finance platform for sustainable impact.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “Clean Energy Transition LLP is an investment management partnership focused on fundamental equity investing.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “United Capital Group invest in consolidating the fragmented UK building and home services market, with a primary focus on the de-carbonisation of the sector.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “CGF invest in tech innovations that reduce greenhouse gas emissions or improve resource efficiency across power, transport, industry, buildings, waste and water.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Buckthorn invests in industrial businesses providing products and services that support the growth and integration of renewable energy, lower emissions, energy efficiency and…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “We invest in new energy technologies.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “Telis Energy is a UK-based green energy projects developer and investor.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 11 | 8 contacts → | ||||
Exact match “Econest is an AI-enabled asset manager that sources and purchases energy inefficient properties to retrofit and manage at scale for large investment portfolios.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Quimera Energy Efficiency (QEE) develops energy efficiency projects focused on creating energy savings and reducing operational costs, using the latest sustainable technologies.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Infraland is a low carbon infrastructure development company, bridging the gap between investors and property owners to facilitate high tech projects for a more sustainable world.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Shorelight supports the Energy Transition towards lower emissions by investing in assets and technologies that operate in the lower carbon energy value chain, or help high…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Why we exist - To cut businesses energy use with renewable technologies - A reduced carbon footprint means lower monthly energy bills - We manage your energy provider and switch…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Founded in 2011, Aurium is an award-winning, mid-market investment firm dedicated to delivering a fairer, more sustainable planet.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Carbon Sure Mission Statement • To support businesses reducing their carbon footprint.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “IO-Gen offers a smart and complete energy efficiency solution to your business operations, by leveraging the power of technology and information, our core services are entirely…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Sustainability Investors LLP is a London-based environmental impact technology venture capital firm with a specialist expertise in energy and resource productivity markets and…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Energy efficiency increases real estate value.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “IUS Global was established as a consortium of companies with mutual interest in developing efficient, sustainable, high-value clean and green energy solutions with No Capital…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Carbon Accelerator develops low-carbon energy and utilities projects and uses its investment expertise to scout, assess and support cleantech start ups to reach their full…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “We invest in, develop and advise energy generation and efficiency projects.” Recorded in the RevenueBase company graph · Sep 12, 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 efficiency investment 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 23 of 62 energy efficiency investment firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 263 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficiency investment firms based in London, United Kingdom at a glance
As of Sep 12, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 56.0dHow 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 “energy efficiency investment 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 263 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 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.
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 efficiency investment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency investment firms are there based in London, United Kingdom?
RevenueBase identified 62 company matches for energy efficiency investment firms 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?
Sustainable Development Capital, LLP Sdcl 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 energy efficiency investment firms?
London leads the United Kingdom with 90 company records, followed by Manchester (10) and Cambridge (3).
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 263 professional contacts with verified work emails tracked across these 62 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 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 62 energy efficiency investment firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Energy efficiency investment firms by geography
- Energy efficiency investment firms based in the United States
- Energy efficiency investment firms based in Italy
- Energy efficiency investment firms based in Spain
- Energy efficiency investment firms based in France
- Energy efficiency investment firms based in the United Kingdom
- Energy efficiency investment firms based in Brazil
- Energy efficiency investment firms based in Germany
- Energy efficiency investment firms based in Australia
- Energy efficiency investment firms based in Canada
- Energy efficiency investment firms based in the Netherlands
- Energy efficiency investment firms based in Mexico
- Energy efficiency investment firms based in Poland
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 efficiency investment firms based in the United States
- Energy efficiency investment firms based in Italy
- Energy efficiency investment firms based in Spain
- Energy efficiency investment firms based in France
- Energy efficiency investment firms based in the United Kingdom
- Energy efficiency investment firms based in Brazil
Company intelligence · public preview
Top 23 energy efficiency investment firms based in London, 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 62 matching company records for energy efficiency investment firms based in London, United Kingdom, with 555 tracked contacts and 263 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 23 energy efficiency investment firms based in London, 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 |  Sustainable Development Capital, LLP Sdclsdclgroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 74 contacts → |
“Sustainable Development Capital LLP (“SDCL”) is a multi-national investment and financial advisory firm, which specialises in environmental infrastructure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Energy Driveenergydrivesystems.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We help heavy industry like steel become more energy efficient through the deployment of intelligent MV motor control via a zero-capex model: guaranteed net savings for the…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bluewaterbluewaterpe.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Bluewater is a specialist international private equity firm focused on the middle-market energy sector.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Tallarnatallarna.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Tallarna is a climate tech and finance platform for sustainable impact.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Clean Energy Transition LLPcleanenergytransition.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Clean Energy Transition LLP is an investment management partnership focused on fundamental equity investing.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  United Capitalunited-capital.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 14 contacts → |
“United Capital Group invest in consolidating the fragmented UK building and home services market, with a primary focus on the de-carbonisation of the sector.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clean Growth Fundcleangrowthfund.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 13 contacts → |
“CGF invest in tech innovations that reduce greenhouse gas emissions or improve resource efficiency across power, transport, industry, buildings, waste and water.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Buckthorn Partners LLPbuckthornpartners.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Buckthorn invests in industrial businesses providing products and services that support the growth and integration of renewable energy, lower emissions, energy efficiency and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sustensusten.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“We invest in new energy technologies.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Telis Energytelisenergy.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Telis Energy is a UK-based green energy projects developer and investor.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Econesteconest.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Econest is an AI-enabled asset manager that sources and purchases energy inefficient properties to retrofit and manage at scale for large investment portfolios.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quimera Energy Efficiencyquimeraee.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Quimera Energy Efficiency (QEE) develops energy efficiency projects focused on creating energy savings and reducing operational costs, using the latest sustainable technologies.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Infralandinfraland.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Infraland is a low carbon infrastructure development company, bridging the gap between investors and property owners to facilitate high tech projects for a more sustainable world.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Shorelight Partnersshorelight-partners.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Shorelight supports the Energy Transition towards lower emissions by investing in assets and technologies that operate in the lower carbon energy value chain, or help high…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Industriousindustrious.energy HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Why we exist - To cut businesses energy use with renewable technologies - A reduced carbon footprint means lower monthly energy bills - We manage your energy provider and switch…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Aurium Capitalauriumcapital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded in 2011, Aurium is an award-winning, mid-market investment firm dedicated to delivering a fairer, more sustainable planet.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Carbon Sure Consulting LTDcarbonsure.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Carbon Sure Mission Statement • To support businesses reducing their carbon footprint.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Io-Genio-gen.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“IO-Gen offers a smart and complete energy efficiency solution to your business operations, by leveraging the power of technology and information, our core services are entirely…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sustainability Investors LLPsustainability-investors.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Sustainability Investors LLP is a London-based environmental impact technology venture capital firm with a specialist expertise in energy and resource productivity markets and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Superownersuperowner.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Energy efficiency increases real estate value.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IUS Globaliusglobal.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“IUS Global was established as a consortium of companies with mutual interest in developing efficient, sustainable, high-value clean and green energy solutions with No Capital…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Carbon Acceleratorcarbon-accelerator.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Carbon Accelerator develops low-carbon energy and utilities projects and uses its investment expertise to scout, assess and support cleantech start ups to reach their full…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  OAK And Greenoakandgreen.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“We invest in, develop and advise energy generation and efficiency projects.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 62 company matches
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Energy efficiency investment firms: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 56.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 12, 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 efficiency investment 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 efficiency investment firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 62 matching company records, 555 tracked contacts and 263 verified emails. The public preview displays 23 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 12, 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 efficiency investment firms by geography
- Energy efficiency investment firms based in the United States
- Energy efficiency investment firms based in Italy
- Energy efficiency investment firms based in Spain
- Energy efficiency investment firms based in France
- Energy efficiency investment firms based in the United Kingdom
- Energy efficiency investment firms based in Brazil
- Energy efficiency investment firms based in Germany
- Energy efficiency investment firms based in Australia
- Energy efficiency investment firms based in Canada
- Energy efficiency investment firms based in the Netherlands
- Energy efficiency investment firms based in Mexico
- Energy efficiency investment firms based in Poland
Cite this list
RevenueBase Data Team. Top 23 energy efficiency investment firms based in London, United Kingdom. Snapshot: September 12, 2026. https://revenuebase.ai/companies/energy-efficiency-investment-firms/united-kingdom/london.
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 efficiency investment firms based in the United States
- Energy efficiency investment firms based in Italy
- Energy efficiency investment firms based in Spain
- Energy efficiency investment firms based in France
- Energy efficiency investment firms based in the United Kingdom
- Energy efficiency investment firms based in Brazil
Company intelligence · public preview
Top 23 energy efficiency investment firms based in London, United Kingdom
RevenueBase records 62 matching company records for energy efficiency investment firms based in London, United Kingdom, with 555 tracked contacts and 263 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 23 energy efficiency investment firms based in London, 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 | Sustainable Development Capital, LLP Sdclsdclgroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 74 contacts → |
“Sustainable Development Capital LLP (“SDCL”) is a multi-national investment and financial advisory firm, which specialises in environmental infrastructure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Energy Driveenergydrivesystems.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We help heavy industry like steel become more energy efficient through the deployment of intelligent MV motor control via a zero-capex model: guaranteed net savings for the…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bluewaterbluewaterpe.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Bluewater is a specialist international private equity firm focused on the middle-market energy sector.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Tallarnatallarna.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Tallarna is a climate tech and finance platform for sustainable impact.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clean Energy Transition LLPcleanenergytransition.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Clean Energy Transition LLP is an investment management partnership focused on fundamental equity investing.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | United Capitalunited-capital.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 14 contacts → |
“United Capital Group invest in consolidating the fragmented UK building and home services market, with a primary focus on the de-carbonisation of the sector.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clean Growth Fundcleangrowthfund.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 13 contacts → |
“CGF invest in tech innovations that reduce greenhouse gas emissions or improve resource efficiency across power, transport, industry, buildings, waste and water.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Buckthorn Partners LLPbuckthornpartners.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Buckthorn invests in industrial businesses providing products and services that support the growth and integration of renewable energy, lower emissions, energy efficiency and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sustensusten.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“We invest in new energy technologies.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Telis Energytelisenergy.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Telis Energy is a UK-based green energy projects developer and investor.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Econesteconest.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Econest is an AI-enabled asset manager that sources and purchases energy inefficient properties to retrofit and manage at scale for large investment portfolios.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quimera Energy Efficiencyquimeraee.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Quimera Energy Efficiency (QEE) develops energy efficiency projects focused on creating energy savings and reducing operational costs, using the latest sustainable technologies.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Infralandinfraland.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Infraland is a low carbon infrastructure development company, bridging the gap between investors and property owners to facilitate high tech projects for a more sustainable world.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Shorelight Partnersshorelight-partners.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Shorelight supports the Energy Transition towards lower emissions by investing in assets and technologies that operate in the lower carbon energy value chain, or help high…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Industriousindustrious.energy HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Why we exist - To cut businesses energy use with renewable technologies - A reduced carbon footprint means lower monthly energy bills - We manage your energy provider and switch…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Aurium Capitalauriumcapital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded in 2011, Aurium is an award-winning, mid-market investment firm dedicated to delivering a fairer, more sustainable planet.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Carbon Sure Consulting LTDcarbonsure.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Carbon Sure Mission Statement • To support businesses reducing their carbon footprint.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Io-Genio-gen.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“IO-Gen offers a smart and complete energy efficiency solution to your business operations, by leveraging the power of technology and information, our core services are entirely…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sustainability Investors LLPsustainability-investors.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Sustainability Investors LLP is a London-based environmental impact technology venture capital firm with a specialist expertise in energy and resource productivity markets and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Superownersuperowner.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Energy efficiency increases real estate value.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IUS Globaliusglobal.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“IUS Global was established as a consortium of companies with mutual interest in developing efficient, sustainable, high-value clean and green energy solutions with No Capital…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Carbon Acceleratorcarbon-accelerator.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Carbon Accelerator develops low-carbon energy and utilities projects and uses its investment expertise to scout, assess and support cleantech start ups to reach their full…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OAK And Greenoakandgreen.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“We invest in, develop and advise energy generation and efficiency projects.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 62 company matches
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Energy efficiency investment firms: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 56.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 12, 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 efficiency investment 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 efficiency investment firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 62 matching company records, 555 tracked contacts and 263 verified emails. The public preview displays 23 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 12, 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 efficiency investment firms by geography
- Energy efficiency investment firms based in the United States
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- Energy efficiency investment firms based in Spain
- Energy efficiency investment firms based in France
- Energy efficiency investment firms based in the United Kingdom
- Energy efficiency investment firms based in Brazil
- Energy efficiency investment firms based in Germany
- Energy efficiency investment firms based in Australia
- Energy efficiency investment firms based in Canada
- Energy efficiency investment firms based in the Netherlands
- Energy efficiency investment firms based in Mexico
- Energy efficiency investment firms based in Poland
Cite this list
RevenueBase Data Team. Top 23 energy efficiency investment firms based in London, United Kingdom. Snapshot: September 12, 2026. https://revenuebase.ai/companies/energy-efficiency-investment-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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