Company lists · Data refreshed September 2026

Top 25 Energy management software startups based in London, United Kingdom

Name: Energy management software startups 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 79 companies tracked

RevenueBase identified 79 company matches for energy management software startups associated with London, United Kingdom as of September 2026 and tracks 1,361 professional contacts across them, including 602 with verified work emails and 78 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for energy management software startups 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

79Companies

1,361Contacts tracked

602Verified emails

78Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy management software startups based in London, United Kingdom

Ranked by team size

Top 25 of 79 company matches for energy management software startups 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	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
3	HIVE	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	100 contacts →
	Exact match “Welcome to greener living, lower bills, and eco-tech that feels like home.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4	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
5	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
6	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
7	Octaipipe	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	25 contacts →
	Exact match “OctaiPipe is an AI-powered optimisation software solution that delivers up to 30% savings in cooling energy use with zero disruption.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8	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
9	Ecosync	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	19 contacts →
	Exact match “Smarter Heating, Real-Time Insights EcoSync is a multi-award-winning smart temperature control system, developed out of Oxford University.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10	TEWKE	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	18 contacts →
	Exact match “Tewke is a London-based climate-tech company reengineering the relationship between people, their homes and the energy grid.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11	Voltaware	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	16 contacts →
	Exact match “Voltaware is a start-up electricity monitoring company based in London.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12	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
13	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
14	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
15	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
16	Cosysense	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	8 contacts →
	Exact match “Cosysense increases comfort while reducing electricity costs and emissions in offices, retail, and hospitality spaces.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
17	IBOS	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	7 contacts →
	Exact match “IBOS optimises building systems, transforming them into intelligent, highly efficient operations.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
18	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
19	Aireavu	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	6 contacts →
	Exact match “Aireavu is a UK-based, market-leading provider of AI-powered building performance systems.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
20	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
21	Onroute	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
22	Chargesync	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	4 contacts →
	Exact match “ChargeSync is innovating to cut power bills and emissions by storing and optimising power for household or business consumption.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
23	Thrive AI	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	4 contacts →
	Exact match “Thrive-AI provides an end to end solution that puts the end users, operators and asset owners in control of their building, carbon footprint and operating costs.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
24	VRM Tech	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	4 contacts →
	Exact match “VRM Tech is a software firm that helps building stock owners to monitor, optimise and significantly reduce energy costs, carbon emissions and improve the health of their buildings.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
25	Smartshift	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1-10	4 contacts →
	Exact match “Our mission is to empower households to effortlessly optimise their electricity use, save money, and accelerate the transition to a green energy system.” 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 management software startups”. 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 79 energy management software startups based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 602 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy management software startups based in London, United Kingdom at a glance

As of Sep 12, 2026

44.2%Verified-email coverage

5.7%Mobile-number coverage

17.2Average 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

Freshness & accuracy

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

Email last verified

Median 15.0d

4960–30

10231–60

261–90

090–180

2180+

Company record updated

Median 58.0d

00–30

68931–60

50061–90

11090–180

62180+

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 management software startups” 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 602 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 management software startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy management software startups are there based in London, United Kingdom?

RevenueBase identified 79 company matches for energy management software startups 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 management software startups?

London leads the United Kingdom with 81 company records, followed by Manchester (11) and Cambridge (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 602 professional contacts with verified work emails tracked across these 79 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 79 energy management software startups based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Energy management software startups by geography

Browse the directory

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.