Company lists · Data refreshed September 2026

Top 25 Energy efficiency program software based in London, United Kingdom

Name: Energy efficiency program software based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 80 companies tracked

RevenueBase identified 80 company matches for energy efficiency program software associated with London, United Kingdom as of September 2026 and tracks 1,982 professional contacts across them, including 813 with verified work emails and 112 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for energy efficiency program software 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 12, 2026 How this list was built

80Companies

1,982Contacts tracked

813Verified emails

112Mobile numbers

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The 25 largest energy efficiency program software based in London, United Kingdom

Ranked by team size

Top 25 of 80 company matches for energy efficiency program software based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kaluza	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	595 contacts →
	Exact match “Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2	CFP Energy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	171 contacts →
	Exact match “CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3	Brady Technologies	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	146 contacts →
	Exact match “At Brady Technologies, we are at the forefront of the energy transition, helping market participants navigate new challenges and opportunities with confidence.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4	Updapt	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	123 contacts →
	Exact match “We are a new age technology driven company, providing comprehensive SaaS based ESG (Environmental, Social & Governance) solutions to address end to end sustainability needs of…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5	ZTP	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	115 contacts →
	Exact match “At ZTP, we’re committed to accelerating the transition to a more sustainable future by reducing the negative impact of human activity on our planet - ecologically, financially…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6	Ecolibrium	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	109 contacts →
	Exact match “Ecolibrium is a sustainability tech company that empowers people to make better decisions based on proven data-driven ML algorithms through continuous monitoring, analysis and…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7	best.energy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	97 contacts →
	Exact match “Best.Energy is a UK based company specialising in the measurement, control and reduction of energy consumption and costs within the industrial, commercial and public sectors.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8	Alfa Energy An Edison Energy Company	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	88 contacts →
	Exact match “Alfa Energy Group (an Edison Energy company) is an international energy, sustainability and technology consultant partner with 200 employees over four international locations.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9	Powerverse	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	50 contacts →
	Exact match “Powerverse is a smart energy management company committed to creating a more affordable, connected electric future.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10	Faradai	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	39 contacts →
	Exact match “Faradai provides multi-agent AI & analytics platform to accelerate decarbonization.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11	Minimum	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	29 contacts →
	Exact match “Minimum is the leading carbon accounting software for enterprise companies.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12	Utilidex	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	26 contacts →
	Exact match “Utilidex delivers a range of integrated energy software products supporting end customers, consultants and energy suppliers/generators for data management, billing, trading…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
13	Demand Logic	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	25 contacts →
	Exact match “Demand Logic is a multi-award winning building optimisation platform which provides live data intelligence on how a building operates.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14	KEY ESG	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	17 contacts →
	Exact match “KEY ESG is the platform where sustainability teams and their business colleagues collect, validate, analyse, and report ESG data in one place and connect it to the decisions that…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15	Commercial Energy Solutions LTD CES	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	15 contacts →
	Exact match “At CES (Commercial Energy Solutions), we specialise in delivering bespoke utility management solutions to help businesses reduce costs, improve energy efficiency, and achieve…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
16	The OAK Network	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	14 contacts →
	Exact match “OAK Network digitally transforms the way businesses manage and control their energy consumption.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
17	Optima Energy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	13 contacts →
	Exact match “Our advanced, automated technology delivers energy and sustainability data that sets new standards for Environmental, Social and Governance (ESG) reporting.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
18	Orbit Energy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	13 contacts →
	Exact match “You sweat the good stuff.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
19	CAP Energy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	12 contacts →
	Exact match “Cap Energy installs bespoke, accessible energy monitors at a site & appliance level and provides incredible data on power usage.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
20	Flow&ebb LTD	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	11 contacts →
	Exact match “We often talk to people in large businesses who are not getting the support they need to manage their energy costs well.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
21	Orxagrid LTD	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	11 contacts →
	Exact match “Energy optimisation analytics that improve energy efficiency, optimise assets and prevent faults” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
22	Meterz	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	6 contacts →
	Exact match “MeterZ removes barriers to collecting and analysing building energy data.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
23	Samp Technology Ltd, Operations & Maintenance Smart Asset Management	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	6 contacts →
	Exact match “SAMP Technology has built software tools that enable power generation performance improvement and risk management.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
24	Voltview	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	6 contacts →
	Exact match “Empowering UK businesses through data, transparency, and open energy.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
25	Co2 Controls LTD	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	5 contacts →
	Exact match “Our goal is to optimise energy use and reduce operating costs - helping you achieve your business and environmental goals.” 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 program software”. 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 80 energy efficiency program software based in London, United Kingdom

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Energy efficiency program software based in London, United Kingdom at a glance

As of Sep 12, 2026

41.0%Verified-email coverage

5.7%Mobile-number coverage

24.8Average contacts per company

1-10Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

6640–30

14031–60

561–90

090–180

4180+

Company record updated

Median 62.0d

00–30

95631–60

77261–90

17190–180

83180+

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 “energy efficiency program software” 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 813 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 program software”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency program software are there based in London, United Kingdom?

RevenueBase identified 80 company matches for energy efficiency program software 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?

Kaluza 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 program software?

London leads the United Kingdom with 81 company records, followed by Bristol (10) and Manchester (9).

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 813 professional contacts with verified work emails tracked across these 80 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.

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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.