Company lists · Data refreshed September 2026

Top 25 Smart building automation contractors based in the United Kingdom

Name: Smart building automation contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 747 companies tracked

RevenueBase identified 747 smart building automation contractors headquartered in the United Kingdom as of September 2026 and tracks 6,835 professional contacts across them, including 3,041 with verified work emails. London is the largest hub.

This list covers smart building automation contractors headquartered in the 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 18, 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 18, 2026 86% judged on-target in blind review

747Companies

6,835Contacts tracked

3,041Verified emails

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The 25 largest smart building automation contractors based in the United Kingdom

Ranked by team size

Top 25 of 747 smart building automation contractors based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to smart building automation contractors: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	MARCH	Indirect evidence	Multiple Locations Uk-wide, United KingdomHQ checked Sep 18, 2026	1,001-5,000	273 contacts →
	Indirect evidence “We are March.” Source: RevenueBase Database · checked Sep 18, 2026
2	Gratte Brothers Group	Partial evidence	London, United KingdomHQ checked Sep 18, 2026	501-1,000	270 contacts →
	Partial evidence “Gratte Brothers Group is a leading independent provider of comprehensive building services, renowned for exceptional quality.” Source: RevenueBase Database · checked Sep 18, 2026
3	BMSI	Partial evidence	Maidenhead, United KingdomHQ checked Sep 18, 2026	201-500	218 contacts →
	Partial evidence “BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS).” Source: RevenueBase Database · checked Sep 18, 2026
4	Scci Alphatrack	Partial evidence	Harlow, United KingdomHQ checked Sep 18, 2026	201-500	205 contacts →
	Partial evidence “Part of the SCCI Group, SCCI Alphatrack designs, installs, and maintains connected building systems across social housing, commercial property, new builds, and public sector…” Source: RevenueBase Database · checked Sep 18, 2026
5	Learnd	Partial evidence	Manchester, United KingdomHQ checked Sep 18, 2026	201-500	196 contacts →
	Partial evidence “learnd was founded in 2020 to disrupt the way buildings operate by providing energy and cost savings at scale - we call this the Power of Many.” Source: RevenueBase Database · checked Sep 18, 2026
6	Abec LTD	Partial evidence	Tewkesbury, United KingdomHQ checked Sep 18, 2026	51-200	175 contacts →
	Partial evidence “ABEC is one of the leading independent Building Management System (BMS) and Electrical Power Monitoring System (EPMS) specialists.” Source: RevenueBase Database · checked Sep 18, 2026
7	Swegon Uk&i	Indirect evidence	Ashby-de-la-zouch, United KingdomHQ checked Sep 18, 2026	501-1,000	156 contacts →
	Indirect evidence “Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Source: RevenueBase Database · checked Sep 18, 2026
8	Kempston Controls	Partial evidence	Rushden, United KingdomHQ checked Sep 18, 2026	201-500	139 contacts →
	Partial evidence “Kempston Controls is a leader in distributing electrical and mechanical industrial control and automation components.” Source: RevenueBase Database · checked Sep 18, 2026
9	DPS Group	Indirect evidence	Glenrothes, United KingdomHQ checked Sep 18, 2026	51-200	139 contacts →
	Indirect evidence “Shaping the future, together.” Source: RevenueBase Database · checked Sep 18, 2026
10	Smith & Byford	Partial evidence	Cheam, United KingdomHQ checked Sep 18, 2026	201-500	132 contacts →
	Partial evidence “Smith & Byford is a family-owned and operated building services company.” Source: RevenueBase Database · checked Sep 18, 2026
11	Trend Control Systems	Partial evidence	Horsham, United KingdomHQ checked Sep 18, 2026	501-1,000	113 contacts →
	Partial evidence “Trend is one of the world's leading Building Energy Management Systems manufacturers, with a worldwide distribution and support network covering over 50 countries.” Source: RevenueBase Database · checked Sep 18, 2026
12	CP Electronics	Indirect evidence	London, United KingdomHQ checked Sep 18, 2026	51-200	111 contacts →
	Indirect 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 18, 2026
13	Resource Data Management	Indirect evidence	Glasgow, United KingdomHQ checked Sep 18, 2026	51-200	88 contacts →
	Indirect evidence “We help businesses optimise their HVACR and BMS control systems, reduce energy use, and ensure food safety compliance.” Source: RevenueBase Database · checked Sep 18, 2026
14	KCP Network	Strong evidence	Bracknell, United KingdomHQ checked Sep 18, 2026	51-200	81 contacts →
	Strong evidence “KCP \| Network Solutions and Design \| Software Development \| Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…” Source: RevenueBase Database · checked Sep 18, 2026
15	3mse LTD	Partial evidence	London, United KingdomHQ checked Sep 18, 2026	51-200	74 contacts →
	Partial evidence “3MSe Ltd are an experienced provider of turnkey Building Management Systems.” Source: RevenueBase Database · checked Sep 18, 2026
16	Infoteck Solutions	Partial evidence	Holborn, United KingdomHQ checked Sep 18, 2026	51-200	72 contacts →
	Partial evidence “Infoteck Solutions: Empowering Integration and Automation Welcome to Infoteck Solutions, your trusted partner in seamless integration and efficient automation.” Source: RevenueBase Database · checked Sep 18, 2026
17	Total Control	Indirect evidence	Tunbridge Wells, United KingdomHQ checked Sep 18, 2026	51-200	68 contacts →
	Indirect evidence “We deliver intelligent, integrated and innovative BMS solutions through our superior customer service, approach and expertise.” Source: RevenueBase Database · checked Sep 18, 2026
18	Elmleigh	Partial evidence	Hinckley, United KingdomHQ checked Sep 18, 2026	51-200	63 contacts →
	Partial evidence “Elmleigh are specialists in the integration of electrical and mechanical automation systems offering a complete Project Management service from conception through design…” Source: RevenueBase Database · checked Sep 18, 2026
19	Alphatrack Systems	Indirect evidence	Harlow, United KingdomHQ checked Sep 18, 2026	201-500	57 contacts →
	Indirect evidence “At Alphatrack Systems Ltd, we don’t just install equipment-we engineer integrated solutions that deliver safety, compliance, and ultimate peace of mind.” Source: RevenueBase Database · checked Sep 18, 2026
20	Forest Rock	Partial evidence	Loughborough, United KingdomHQ checked Sep 18, 2026	51-200	56 contacts →
	Partial evidence “Forest Rock: Your Full-Stack IoT Solution Partner Forest Rock is a leading provider of innovative IoT and building management solutions.” Source: RevenueBase Database · checked Sep 18, 2026
21	VANTI	Indirect evidence	Birmingham, United KingdomHQ checked Sep 18, 2026	51-200	55 contacts →
	Indirect evidence “Vanti embed technology within the built environment to create spaces that support, enable, and empower people.” Source: RevenueBase Database · checked Sep 18, 2026
22	Electracom Projects LTD	Partial evidence	Burnham, United KingdomHQ checked Sep 18, 2026	11-50	51 contacts →
	Partial evidence “One of the UK's leading independent BEMS companies, fast growing and focused to be at the forefront of the building controls industry.” Source: RevenueBase Database · checked Sep 18, 2026
23	Delmatic Lighting Management	Indirect evidence	Chiswick, United KingdomHQ checked Sep 18, 2026	51-200	50 contacts →
	Indirect evidence “Delmatic are leading suppliers of advanced lighting control and management systems.” Source: RevenueBase Database · checked Sep 18, 2026
24	Simkiss Control Systems LTD	Partial evidence	Middleton, United KingdomHQ checked Sep 18, 2026	51-200	47 contacts →
	Partial evidence “Simkiss Control Systems, part of United Infrastructure Group, is a trusted name in the field of industrial automation and control systems.” Source: RevenueBase Database · checked Sep 18, 2026
25	AES Control Systems	Partial evidence	Northampton, United KingdomHQ checked Sep 18, 2026	51-200	45 contacts →
	Partial evidence “AES is a leading provider of intelligent building control system solutions.” Source: RevenueBase Database · checked Sep 18, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: smart building automation contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names smart building automation contractors.
Partial evidence: Its own public description names part of smart building automation contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name smart building automation contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 747 smart building automation contractors based in the United Kingdom

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Smart building automation contractors based in the United Kingdom at a glance

As of Sep 18, 2026

44.5%Verified-email coverage

9.1Average contacts per company

1-10Median size (employees)

16.3%Largest-city concentration · London

Sep 18, 2026Page data refreshed

Companies by employee count

1-10

448

11-50

224

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 747 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 smart building automation contractors, 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 the United Kingdom whose own description of what they do matches “smart building automation contractors”. 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 smart building automation contractors), 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 smart building automation contractors, and records with no verified work email. Companies headquartered outside United Kingdom 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, 3,041 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 18, 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.

Smart building automation contractors by metro

Smart building automation contractors in London122

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 smart building automation contractors, 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 smart building automation contractors are there based in the United Kingdom?

RevenueBase identified 747 smart building automation contractors headquartered in the 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?

MARCH, headquartered in Uk-Wide, tops this list with the largest team on record.

Which city has the most smart building automation contractors?

London leads with 122 headquartered companies, followed by Birmingham (14) and Leeds (11).

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 3,041 verified decision-maker contacts tracked across these 747 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 18, 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.