Company lists · Data refreshed October 2026

Top 25 Environmental system suppliers based in the United Kingdom

Name: Environmental system suppliers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 106 companies tracked

RevenueBase identified 106 company matches for environmental system suppliers associated with the United Kingdom as of October 2026 and tracks 1,171 professional contacts across them, including 548 with verified work emails. Bristol is the largest hub.

This list covers company matches for environmental system suppliers 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 25, 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 25, 2026 How this list was built

106Companies

1,171Contacts tracked

548Verified emails

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

The 25 largest environmental system suppliers based in the United Kingdom

Ranked by team size

Top 25 of 106 company matches for environmental system suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	MCS	Exact match	Bristol, United KingdomHQ recorded Oct 25, 2026	51-200	151 contacts →
	Exact match “MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	HFL Building Solutions Group	Exact match	Manchester, United KingdomHQ recorded Oct 25, 2026	51-200	80 contacts →
	Exact match “HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	DB Broadcast LTD	Exact match	Ely, United KingdomHQ recorded Oct 25, 2026	51-200	62 contacts →
	Exact match “dB Broadcast offers consultancy, project management, systems engineering, software configuration, equipment sourcing and system installation world-wide.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	AIR Technology Systems	Exact match	Bromsgrove, United KingdomHQ recorded Oct 25, 2026	51-200	58 contacts →
	Exact match “Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	F P Hurley & Sons LTD	Exact match	Bridgend, United KingdomHQ recorded Oct 25, 2026	51-200	52 contacts →
	Exact match “As a company we offer a personal and quality service to recognised customers, providing mechanical and electrical engineering and contracting services for public sector and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Atac Solutions LTD	Exact match	Maidstone, United KingdomHQ recorded Oct 25, 2026	11-50	40 contacts →
	Exact match “ATAC Solutions Ltd is a leading UK environmental services company specialising in wastewater services and wastewater equipment on a capital purchase or hire basis.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	B-Engineering Group Certified B Corp	Exact match	Warrington, United KingdomHQ recorded Oct 25, 2026	51-200	38 contacts →
	Exact match “We are a purpose driven engineering business, passionate about our people and the environment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	ECS Systems LTD	Exact match	London, United KingdomHQ recorded Oct 25, 2026	11-50	37 contacts →
	Exact match “Here at ECS Systems we pride ourselves on providing the highest level of personalised service, to every client.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	361 Degrees LTD AIR Conditioning, Heating & Ventilation Solutions	Exact match	Leighton Buzzard, United KingdomHQ recorded Oct 25, 2026	11-50	36 contacts →
	Exact match “A good environment can improve morale, productivity and employee retention.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Envirotech Group	Exact match	Birmingham, United KingdomHQ recorded Oct 25, 2026	51-200	32 contacts →
	Exact match “Envirotech Group delivers bespoke design, build and maintenance services to an impressive client list across the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	ECO MEP	Exact match	Stanford, United KingdomHQ recorded Oct 25, 2026	11-50	22 contacts →
	Exact match “We're ECO MEP, providing design and installation of power, lighting, air-conditioning, heating, cooling and ventilation in any application.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	YEE Group	Exact match	Burton On Trent, United KingdomHQ recorded Oct 25, 2026	11-50	21 contacts →
	Exact match “Yee Group is an award-winning multi discipline Contractor.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Taranis Engineering LTD	Exact match	Flax Bourton, United KingdomHQ recorded Oct 25, 2026	11-50	21 contacts →
	Exact match “Taranis engineering was formed in October 2013 by the former director shareholders of JCW air-conditioning together with Jon Salter, John Lawrence and Alex Bond.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	EHS Data	Exact match	Newark, United KingdomHQ recorded Oct 25, 2026	11-50	18 contacts →
	Exact match “World-leading Environmental Data Management Software.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	HRV Group	Exact match	Richmond, United KingdomHQ recorded Oct 25, 2026	51-200	15 contacts →
	Exact match “We create indoor environments that are fresh, efficient and comfortable for the people that live in them.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Ensys AIR Conditioning Installation And Service	Exact match	Thatcham, United KingdomHQ recorded Oct 25, 2026	11-50	13 contacts →
	Exact match “Ensys Ltd, UK based in Berkshire, Surrey, Warrington and Cheshire are air conditioning installation & service engineers.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	VAN Walt LTD	Exact match	Haslemere, United KingdomHQ recorded Oct 25, 2026	11-50	13 contacts →
	Exact match “Van Walt Ltd designs, installs, supplies & rents equipment for environmental research and monitoring in the UK, Ireland, Spain, New Zealand and South Africa.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	FMS Facility Monitoring Systems LTD	Exact match	Great Malvern, United KingdomHQ recorded Oct 25, 2026	11-50	13 contacts →
	Exact match “As Channel Partners to industry-leading particle counter manufacturers and monitoring software platform developers, FMS (Facility Monitoring Systems Limited) has become the…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Mattair Maintenance LTD	Exact match	Dronfield, United KingdomHQ recorded Oct 25, 2026	11-50	12 contacts →
	Exact match “Reliable, efficient air conditioning and refrigeration solutions, tailored to your business.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Mechon LTD	Exact match	Ascot, United KingdomHQ recorded Oct 25, 2026	11-50	12 contacts →
	Exact match “MECHON offers a single source of expertise in the field of industrial ventilation and environmental control systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Mcalpine Grant Ilco Limited	Exact match	Eynsham, United KingdomHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “Established in 1981, McAlpine Grant Ilco Ltd (MGi) specialise in providing installation, maintenance and servicing of cooling and heating units to properties throughout the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Ambivent Facilities Management LTD	Exact match	Northamptonshire, United KingdomHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “At AFM, we understand the critical importance of maintaining reliable and efficient mechanical and electrical systems to keep your operations running smoothly.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	Palings Mechanical And Electrical Services Limited	Exact match	Stourbridge, United KingdomHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “Nationwide reputation for the design, supply and install of heating, ventilation and air conditioning (HVAC) systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	3active LTD	Exact match	Stevenage, United KingdomHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “We are an engineering services company specialising in the design, installation and maintenance of commercial building services including heating, lighting, ventilation, air…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	City M&e LTD	Exact match	Colchester, United KingdomHQ recorded Oct 25, 2026	11-50	9 contacts →
	Exact match “Building Services Engineers Dedicated to Project Success City M&E are dedicated to providing mechanical and electrical services to the highest possible standards.” Recorded in the RevenueBase company graph · Oct 25, 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 “environmental system suppliers”. 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 106 environmental system suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 548 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Environmental system suppliers based in the United Kingdom at a glance

As of Oct 25, 2026

46.8%Verified-email coverage

11.0Average contacts per company

11-50Median size (employees)

8.5%Largest-city concentration · Bristol

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 106 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 “environmental system suppliers” 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 548 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 25, 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 “environmental system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental system suppliers are there based in the United Kingdom?

RevenueBase identified 106 company matches for environmental system suppliers 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?

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

Which city has the most environmental system suppliers?

Bristol leads with 9 company records, followed by London (6) and Birmingham (2).

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 548 professional contacts with verified work emails tracked across these 106 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 25, 2026.

Ready to reach these companies? Verified emails and direct dials for all 106 environmental system suppliers based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Environmental system suppliers 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.