Company lists · Data refreshed September 2026

Top 25 Energy management systems integrators based in London, United Kingdom

RevenueBase identified 95 energy management systems integrators headquartered in London, United Kingdom as of September 2026 and tracks 993 professional contacts across them, including 297 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers energy management systems integrators headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
95Companies
993Contacts tracked
297Verified emails
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The 25 largest energy management systems integrators based in London, United Kingdom

Ranked by team size
Top 25 of 95 energy management systems integrators based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to energy management systems integrators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-200111 contacts →

Partial evidence

“With over 50 years experience in creating solutions for lighting, heating and ventilation, CP Electronics is a world leader in energy saving controls.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-20097 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20074 contacts →

Strong evidence

“3MSe Ltd are an experienced provider of turnkey Building Management Systems.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-20060 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20037 contacts →

Strong evidence

“We are systems integrators.”

Source: RevenueBase Database · checked Sep 28, 2026
6Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-5032 contacts →

Strong evidence

“Master Systems Integrator OKTO Technologies is a leader in the design, development & installation of Smart Building Technology for- SuperPrime Residential - Luxury Hospitality -…”

Source: RevenueBase Database · checked Sep 28, 2026
7Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20027 contacts →

Strong evidence

“AMAZING DIGITAL EXPERIENCES THAT WOW BY DESIGN Torpedo Factory Group is a Master Systems Integrator providing professional services for Intelligent Environments & Smart Buildings…”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20027 contacts →

Strong evidence

“All BMS Systems offer a comprehensive service covering consultancy, design, project management, engineering, installation and all essential support services.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5025 contacts →

Indirect evidence

“Demand Logic is a multi-award winning building optimisation platform which provides live data intelligence on how a building operates.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Strong evidence

“QQ design, supply and install of residental and commercial automation technology and energy-efficient control systems.”

Source: RevenueBase Database · checked Sep 28, 2026
11Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Strong evidence

“We provide energy consultancy, data management, energy demand management and general forecasting systems for the power, gas and renewable sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
12Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-1017 contacts →

Strong evidence

“Established in 2004, Siemsatec Ltd are an independent building management systems (BMS) and energy management specialists.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“Automatry combines building controls engineering with software development for the built environment.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5011 contacts →

Partial evidence

“We are an award-winning, SafeContractor approved company specialised in SMART automation technologies and entertainment systems for the residential and commercial sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Unlock the Full Potential of Your Building with MSI Works!”

Source: RevenueBase Database · checked Sep 28, 2026
16Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-5010 contacts →

Strong evidence

“Advanced Integration (AI) is a smart home automation and building management systems (BMS) specialist with more than 30 years of experience in the industry.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“We transform energy from a static resource into a living, intelligent network where every device, installer, and user contributes and benefits.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“IBOS optimises building systems, transforming them into intelligent, highly efficient operations.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“Working, first time, every time." RMH Group is a SMART Building technology consultancy providing turnkey solutions, from the design to the supply and implementation of…”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“MeterZ removes barriers to collecting and analysing building energy data.”

Source: RevenueBase Database · checked Sep 28, 2026
21Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-105 contacts →

Strong evidence

“designflow provides system design and documentation services to system integrators working in smart buildings and home technology.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-504 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
24Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-103 contacts →

Strong evidence

“ESCHER BUILDING INTEGRATION TECHNOLOGY LIMITED BMS HVAC Controls / Energy Management Specialists”

Source: RevenueBase Database · checked Sep 28, 2026
25Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-103 contacts →

Strong evidence

“RJC Controls Ltd specialises in providing advanced technology solutions for the efficient and effective management of various building systems within commercial, residential, and…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 95 energy management systems integrators based in London, United Kingdom

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Energy management systems integrators based in London, United Kingdom at a glance

As of Sep 28, 2026
29.9%Verified-email coverage
10.5Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
56
11-50
27
51-200
11

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 95 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy management systems integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in London, United Kingdom whose own description of what they do matches “energy management systems integrators”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy management systems integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among energy management systems integrators, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 297 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy management systems integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many energy management systems integrators are there based in London, United Kingdom?

RevenueBase identified 95 energy management systems integrators headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

CP Electronics, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most energy management systems integrators?

London leads the United Kingdom with 95 headquartered companies, followed by Manchester (17) and Glasgow (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 297 verified decision-maker contacts tracked across these 95 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.