Company lists · Data refreshed October 2026

Top 25 Building automation system contractors based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 405 companies tracked

RevenueBase identified 405 company matches for building automation system contractors associated with the United Kingdom as of October 2026 and tracks 3,591 professional contacts across them, including 1,547 with verified work emails. London is the largest hub.

This list covers company matches for building automation system contractors associated with the 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 October 9, 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 Oct 9, 2026 How this list was built

405Companies

3,591Contacts tracked

1,547Verified emails

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

Ranked by team size

Top 25 of 405 company matches for building automation system contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	Learnd	Exact match	Manchester, United KingdomHQ recorded Oct 9, 2026	201-500	194 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Abec LTD	Exact match	Tewkesbury, United KingdomHQ recorded Oct 9, 2026	51-200	171 contacts →
	Exact match “ABEC is one of the leading independent Building Management System (BMS) and Electrical Power Monitoring System (EPMS) specialists.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Kempston Controls	Exact match	Rushden, United KingdomHQ recorded Oct 9, 2026	201-500	141 contacts →
	Exact match “Kempston Controls is a leader in distributing electrical and mechanical industrial control and automation components.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Smith & Byford	Exact match	Cheam, United KingdomHQ recorded Oct 9, 2026	201-500	139 contacts →
	Exact match “Smith & Byford is a family-owned and operated building services company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Trend Control Systems	Exact match	Horsham, United KingdomHQ recorded Oct 9, 2026	501-1,000	117 contacts →
	Exact match “Trend is one of the world's leading Building Energy Management Systems manufacturers, with a worldwide distribution and support network covering over 50 countries.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	3mse LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	72 contacts →
	Exact match “3MSe Ltd are an experienced provider of turnkey Building Management Systems.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Total Control	Exact match	Tunbridge Wells, United KingdomHQ recorded Oct 9, 2026	51-200	71 contacts →
	Exact match “We deliver intelligent, integrated and innovative BMS solutions through our superior customer service, approach and expertise.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Elmleigh	Exact match	Hinckley, United KingdomHQ recorded Oct 9, 2026	51-200	56 contacts →
	Exact match “Elmleigh are specialists in the integration of electrical and mechanical automation systems offering a complete Project Management service from conception through design…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	AET Flexible Space	Exact match	East Grinstead, United KingdomHQ recorded Oct 9, 2026	11-50	47 contacts →
	Exact match “AET Flexible Space has been redefining how buildings breathe since 1993.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	AES Control Systems	Exact match	Northampton, United KingdomHQ recorded Oct 9, 2026	51-200	41 contacts →
	Exact match “AES is a leading provider of intelligent building control system solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Tftull Limited	Exact match	Watford, United KingdomHQ recorded Oct 9, 2026	51-200	40 contacts →
	Exact match “Since 1967 tftull has been specialising in the design, engineering, manufacture, installation, commissioning & maintenance of building management control systems and panels.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Impact Control Systems Limited	Exact match	Liverpool, United KingdomHQ recorded Oct 9, 2026	51-200	37 contacts →
	Exact match “Impact Control Systems have been providing Building Energy Management System solutions for over 30 Years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	ONE Sightsolutions LTD	Exact match	Hartley Wintney, United KingdomHQ recorded Oct 9, 2026	11-50	37 contacts →
	Exact match “https://onesight.solutions/ Here at One Sightsolutions we are the leading UK supplier of reputable building automation and energy management products & services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	361 Degrees LTD AIR Conditioning, Heating & Ventilation Solutions	Exact match	Leighton Buzzard, United KingdomHQ recorded Oct 9, 2026	11-50	36 contacts →
	Exact match “A good environment can improve morale, productivity and employee retention.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Principal Hvac	Exact match	Belfast, United KingdomHQ recorded Oct 9, 2026	51-200	35 contacts →
	Exact match “Principal HVAC are at the leading edge of Heating, Ventilation & Air conditioning systems for commercial and residential property.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Syscom BMS	Exact match	Egham, United KingdomHQ recorded Oct 9, 2026	11-50	31 contacts →
	Exact match “An independent control systems house specialising in Building Energy Management Systems (BMS, BEMS) for the building services industry and was formed in the autumn of 1998.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Building Technology Systems LTD	Exact match	Warrington, United KingdomHQ recorded Oct 9, 2026	11-50	29 contacts →
	Exact match “Building Technology Systems design and install integrated building control systems for controlling HVAC systems, lighting, door access and CCTV.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Laplace Solutions LTD	Exact match	Glasgow, United KingdomHQ recorded Oct 9, 2026	51-200	29 contacts →
	Exact match “About Us Laplace Solutions has a history stretching back to 1976, when we sold instrumentation products to a variety of industries.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Oakland AIR Control	Exact match	Worcester, United KingdomHQ recorded Oct 9, 2026	11-50	29 contacts →
	Exact match “We are a specialist heating, ventilation, air conditioning (HVAC), heat pump, electrical and BEMS controls engineering solutions business and post ESOS service provider.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Robell Control Systems Limited	Exact match	Birmingham, United KingdomHQ recorded Oct 9, 2026	11-50	28 contacts →
	Exact match “Robell Control Systems Limited established in 1989, we are privately owned independent company and are leading independent specialists for design, installation, commissioning and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Campbell West	Exact match	Bracknell, United KingdomHQ recorded Oct 9, 2026	51-200	28 contacts →
	Exact match “The Mechanical & Electrical Building Services Team is here to keep your building running smoothly!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Aimteq	Exact match	Stockport, United KingdomHQ recorded Oct 9, 2026	51-200	27 contacts →
	Exact match “Aimteq is one of the UK’s largest systems integration companies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Synapsys Solutions LTD	Exact match	Burgess Hill, United KingdomHQ recorded Oct 9, 2026	11-50	26 contacts →
	Exact match “Synapsys Solutions innovative hardware and software solutions help improve building performance, reduce time pressure on facilities personnel and help building owners improve the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	ALL BMS Systems LTD	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	26 contacts →
	Exact match “All BMS Systems offer a comprehensive service covering consultancy, design, project management, engineering, installation and all essential support services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Motiontech Software & Controls	Exact match	Telford, United KingdomHQ recorded Oct 9, 2026	11-50	25 contacts →
	Exact match “MotionTech Software and Controls is a leading Industrial Automations specialist based in Telford, England.” Recorded in the RevenueBase company graph · Oct 9, 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 “building automation system contractors”. 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 405 building automation system contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,547 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building automation system contractors based in the United Kingdom at a glance

As of Oct 9, 2026

43.1%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

13.1%Largest-city concentration · London

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

225

11-50

139

51-200

201-500

501-1,000

1,001-5,000

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 405 companies.

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 the United Kingdom whose business descriptions match “building automation system contractors” 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 1,547 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 October 9, 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.

Building automation system contractors by metro

Building automation system contractors in London53

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 “building automation system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building automation system contractors are there based in the United Kingdom?

RevenueBase identified 405 company matches for building automation system contractors associated with the United Kingdom as of October 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?

Learnd tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building automation system contractors?

London leads with 53 company records, followed by Leeds (11) and Bristol (6).

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 1,547 professional contacts with verified work emails tracked across these 405 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 October 9, 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.