Company lists · Data refreshed September 2026
Top 25 Site management companies based in the United Kingdom
RevenueBase identified 2,564 site management companies headquartered in the United Kingdom as of September 2026 and tracks 59,391 professional contacts across them, including 14,051 with verified work emails. London is the largest hub.
This list covers site management companies 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 22, 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.
The 25 largest site management companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,908 contacts → | ||||
Partial evidence “Founded in 1987, Mitie is the UK’s leading facilities management and professional services company.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 7,982 contacts → | ||||
Indirect evidence “Customers across all sectors depend on secure, optimised environments that enable end users to achieve their goals and purpose.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 5,702 contacts → | ||||
Partial evidence “ISS is a leading workplace experience and facilities management company with more than 125 years of global experience.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,571 contacts → | ||||
Partial evidence “Inspired to make a positive change to the facilities management industry, Willie and Susan Haughey established City Refrigeration Holdings (UK) Ltd in 1985.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,220 contacts → | ||||
Partial evidence “FirstPort is the UK’s leading property management company, caring for our customers’ homes across England, Wales and Scotland.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,023 contacts → | ||||
Partial evidence “Arcus FM is an award-winning full-service facilities management company self-delivering over 80% of our services across the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 909 contacts → | ||||
Partial evidence “At EMCOR UK, we revolutionise facilities management by combining our unique engineering heritage and innovation capability.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 547 contacts → | ||||
Indirect evidence “We are MAPP … we are an adventurous, curious and outward-looking team of around 650+ people who are on a mission to do something a little bit special together.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 477 contacts → | ||||
Partial evidence “Royal Mail Property & Facilities Solutions is responsible for maintaining and upgrading one of the largest corporate real estates in Europe, with over 2,600 sites.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 418 contacts → | ||||
Partial evidence “We provide intelligent facility management solutions, delivering nationwide with passion and pride.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 359 contacts → | ||||
Partial evidence “At Vertas Group, we are passionate about creating sustainable and innovative solutions in facilities management.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 324 contacts → | ||||
Indirect evidence “In July 2016 we celebrated our first ten years delivering fully serviced, new and refurbished working and living accommodation to the Army at Tidworth, Bulford, Larkhill…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 312 contacts → | ||||
Indirect evidence “Exciting news - we have rebranded to Dalkia in the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 278 contacts → | ||||
Partial evidence “Managing property as though we live there Our mission is to make places better and deliver a brilliant residential property management experience.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 274 contacts → | ||||
Partial evidence “Andron is a third-generation family business with over 45 years of experience in commercial cleaning and soft facilities management.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 272 contacts → | ||||
Partial evidence “VPS is Europe’s leading temporary security specialist, protecting vacant properties, remote sites, construction and infrastructure projects with tailored, risk-based security…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 254 contacts → | ||||
Partial evidence “Integrated facilities management services with a purpose.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 250 contacts → | ||||
Partial evidence “At Rydon we provide hard facilities management and property maintenance services for housing, healthcare and local authorities.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 243 contacts → | ||||
Partial evidence “Anabas is a dedicated facilities management company specialising in exceptional service delivery for our clients operating in corporate workplaces.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 207 contacts → | ||||
Indirect evidence “Tenon FM is one of the fastest growing FM providers in the world – not just the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 204 contacts → | ||||
Indirect evidence “Floorbrite is one of the leading commercial cleaning and facilities service providers in the UK, providing daily, industrial and window cleaning services to all sectors of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 194 contacts → | ||||
Indirect evidence “Excellerate Services I Where Better Begins At the centre of everything we do is a simple idea: every space we touch, we leave better than before.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 182 contacts → | ||||
Partial evidence “At The Westgrove Group, we specialise in delivering comprehensive facilities management services tailored to meet the dynamic needs of our diverse clients.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 164 contacts → | ||||
Partial evidence “We are one of the UK’s leading providers of commercial facilities management solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 161 contacts → | ||||
Partial evidence “Property-savvy FOH reception On-site marketing teams Community & Lifestyle managers Commercial property nationwide For all developers, agents and property managers who believe in…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
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: site management companies. 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 site management companies.
- Partial evidence
- Its own public description names part of site management companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name site management companies. 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 2,564 site management companies based in the United Kingdom
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Site management companies based in the United Kingdom at a glance
As of Sep 22, 2026Companies by employee count
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 2,564 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 site management companies, 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 “site management companies”. 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 site management companies), 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 site management companies, 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, 14,051 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 22, 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.
Site management companies by metro
- Site management companies in London603
- Site management companies in Manchester74
- Site management companies in Birmingham64
- Site management companies in Glasgow40
- Site management companies in Leeds29
- Site management companies in Liverpool29
- Site management companies in Bristol28
- Site management companies in Edinburgh27
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 site management companies, 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 site management companies are there based in the United Kingdom?
RevenueBase identified 2,564 site management companies 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?
MITIE, headquartered in London, tops this list with the largest team on record.
Which city has the most site management companies?
London leads with 603 headquartered companies, followed by Manchester (74) and Birmingham (64).
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 14,051 verified decision-maker contacts tracked across these 2,564 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 22, 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.
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