Company lists · Data refreshed September 2026

Top 25 Intumescent systems manufacturers based in the United Kingdom

Name: Intumescent systems manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 207 companies tracked

RevenueBase identified 207 intumescent systems manufacturers headquartered in the United Kingdom as of September 2026 and tracks 2,250 professional contacts across them, including 904 with verified work emails. London is the largest hub.

This list covers intumescent systems manufacturers 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 30, 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 30, 2026 86% judged on-target in blind review

207Companies

2,250Contacts tracked

904Verified emails

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The 25 largest intumescent systems manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 207 intumescent systems manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to intumescent systems manufacturers: 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	Mech-Tool Engineering LTD MTE	Indirect evidence	County Durham, United KingdomHQ checked Sep 30, 2026	201-500	161 contacts →
	Indirect evidence “Mech-Tool Engineering Ltd [MTE] is the leading global supplier of solutions protecting people and equipment from fire, blast and radiant heat hazards for the offshore and onshore…” Source: RevenueBase Database · checked Sep 30, 2026
2	Siderise Group	Partial evidence	Maesteg, United KingdomHQ checked Sep 30, 2026	201-500	158 contacts →
	Partial evidence “Siderise is a global expert in the design, manufacture, and supply of high-performance passive fire protection solutions for the building envelope.” Source: RevenueBase Database · checked Sep 30, 2026
3	TOR Coatings	Indirect evidence	Gateshead, United KingdomHQ checked Sep 30, 2026	201-500	100 contacts →
	Indirect evidence “Established in 1975 and with over 40 years’ experience in the buildings coatings industry, Tor Coatings are true specialists in our field.” Source: RevenueBase Database · checked Sep 30, 2026
4	Pyroguard	Indirect evidence	St. Helens, United KingdomHQ checked Sep 30, 2026	201-500	96 contacts →
	Indirect evidence “Pyroguard, part of Saverto UK Ltd.” Source: RevenueBase Database · checked Sep 30, 2026
5	CLM Fireproofing	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	96 contacts →
	Indirect evidence “Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Source: RevenueBase Database · checked Sep 30, 2026
6	Tenmat	Indirect evidence	Irlam, United KingdomHQ checked Sep 30, 2026	201-500	86 contacts →
	Indirect evidence “With a history spanning more than a century, Tenmat stands as one of the UK’s longest‑established leaders in passive fire protection.” Source: RevenueBase Database · checked Sep 30, 2026
7	Polyseam	Partial evidence	West Yorkshire, United KingdomHQ checked Sep 30, 2026	51-200	66 contacts →
	Partial evidence “Polyseam Ltd \| Manufacturer of Passive Fire Protection, Sealants & Construction Chemicals Polyseam Ltd is a UK manufacturer of high-performance construction products, specialising…” Source: RevenueBase Database · checked Sep 30, 2026
8	GRJ Contracting & Surveying	Indirect evidence	Melton Mowbray, United KingdomHQ checked Sep 30, 2026	51-200	58 contacts →
	Indirect evidence “At GRJ, our mission is to protect human life and building investments from the threat of fire.” Source: RevenueBase Database · checked Sep 30, 2026
9	ARC Building Solutions	Indirect evidence	Leeds, United KingdomHQ checked Sep 30, 2026	51-200	58 contacts →
	Indirect evidence “At ARC® Building Solutions, protection is our purpose.” Source: RevenueBase Database · checked Sep 30, 2026
10	FSI Promat By Etex	Strong evidence	Measham, United KingdomHQ checked Sep 30, 2026	51-200	52 contacts →
	Strong evidence “FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Source: RevenueBase Database · checked Sep 30, 2026
11	Kingspan Technical Insulation LTD	Partial evidence	Basildon, United KingdomHQ checked Sep 30, 2026	51-200	40 contacts →
	Partial evidence “We manufacture high performance insulation products for pipework and ductwork in building services / HVAC, process, petrochemical and refrigeration services applications.” Source: RevenueBase Database · checked Sep 30, 2026
12	Sharpfibre	Partial evidence	Basildon, United KingdomHQ checked Sep 30, 2026	11-50	35 contacts →
	Partial evidence “Sharpfibre is the UK’s leading specialist fire protection contractor providing passive fire protection systems and life safety solutions.” Source: RevenueBase Database · checked Sep 30, 2026
13	Fire Protection LTD	Partial evidence	Harlow, United KingdomHQ checked Sep 30, 2026	51-200	32 contacts →
	Partial evidence “Fire Protection markets the Flamebar range of passive fire resisting products, including the innovative Flamebar BW11 and BW18 fire resisting ductwork systems.” Source: RevenueBase Database · checked Sep 30, 2026
14	Eurobond Laminates LTD	Partial evidence	Cardiff, United KingdomHQ checked Sep 30, 2026	51-200	31 contacts →
	Partial evidence “Eurobond is the leading designer and manufacturer of non-combustible core internal and external wall and ceiling solutions in the UK.” Source: RevenueBase Database · checked Sep 30, 2026
15	Golden Thread Fire Delay	Partial evidence	Hutton, United KingdomHQ checked Sep 30, 2026	51-200	28 contacts →
	Partial evidence “Golden Thread Fire Delay supply & install passive fire protection systems & solutions, as well as completing compartmentation & fire door surveys & inspections with full pictorial…” Source: RevenueBase Database · checked Sep 30, 2026
16	Pstg Fire Protection	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	26 contacts →
	Partial evidence “At PSTG Fire Protection, we specialise in the installation and ongoing maintenance of Passive Fire Protection systems in London and throughout the UK, catering to your building’s…” Source: RevenueBase Database · checked Sep 30, 2026
17	Howler	Indirect evidence	Wimborne Minster, United KingdomHQ checked Sep 30, 2026	11-50	25 contacts →
	Indirect evidence “Howler is the UK's #1 in Temporary Fire Safety.” Source: RevenueBase Database · checked Sep 30, 2026
18	Fire Integrity Limited	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	25 contacts →
	Indirect evidence “Fire Integrity Ltd: Pioneering Passive Fire Protection Since 2005: At Fire Integrity, we see every building not just as a structure, but as a space teeming with life, deserving…” Source: RevenueBase Database · checked Sep 30, 2026
19	MGN Fire Protection LTD	Indirect evidence	Cramlington, United KingdomHQ checked Sep 30, 2026	51-200	21 contacts →
	Indirect evidence “MGN Fire Protection Limited has been providing passive fire protection services nationwide for the past 25 years.” Source: RevenueBase Database · checked Sep 30, 2026
20	Insulcon Technical	Partial evidence	North Shields, United KingdomHQ checked Sep 30, 2026	11-50	20 contacts →
	Partial evidence “Insulcon Technical offer innovative Passive Fire Protection and Technical Insulation systems as well as metallic and non-metallic cladding solutions providing extensive savings in…” Source: RevenueBase Database · checked Sep 30, 2026
21	Infinity Fire Prevention LTD	Indirect evidence	Rochester, United KingdomHQ checked Sep 30, 2026	51-200	19 contacts →
	Indirect evidence “Welcome to Infinity Fire Prevention Ltd.” Source: RevenueBase Database · checked Sep 30, 2026
22	Quelfire	Partial evidence	Wardle, United KingdomHQ checked Sep 30, 2026	11-50	18 contacts →
	Partial evidence “Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Source: RevenueBase Database · checked Sep 30, 2026
23	Adept Contracts LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	18 contacts →
	Indirect evidence “12 years in Passive Fire Protection the Company has expanded in to a wide range of disciplines all associated with Fire Rated Construction works, supplying and installing for…” Source: RevenueBase Database · checked Sep 30, 2026
24	GSI Contract Services Limited	Indirect evidence	Little Chalfont, United KingdomHQ checked Sep 30, 2026	51-200	17 contacts →
	Indirect evidence “GSI Contract Services are building passive fire protection specialists.” Source: RevenueBase Database · checked Sep 30, 2026
25	Kemwell PFP LTD	Indirect evidence	Birmingham, United KingdomHQ checked Sep 30, 2026	1-10	17 contacts →
	Indirect evidence “WELCOME TO THE KEMWELL PFP Working with architects, specifiers and specialist contractors, and with our specialist product range and application knowledge, we provide alternative…” Source: RevenueBase Database · checked Sep 30, 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: intumescent systems manufacturers. 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 intumescent systems manufacturers.
Partial evidence: Its own public description names part of intumescent systems manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name intumescent systems manufacturers. 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 207 intumescent systems manufacturers based in the United Kingdom

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Intumescent systems manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

40.2%Verified-email coverage

10.9Average contacts per company

11-50Median size (employees)

12.6%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 207 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 intumescent systems manufacturers, 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 “intumescent systems manufacturers”. 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 intumescent systems manufacturers), 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 intumescent systems manufacturers, 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, 904 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 30, 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.

Intumescent systems manufacturers by metro

Intumescent systems manufacturers in London26

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 intumescent systems manufacturers, 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 intumescent systems manufacturers are there based in the United Kingdom?

RevenueBase identified 207 intumescent systems manufacturers 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?

Mech-Tool Engineering LTD MTE, headquartered in Darlington, tops this list with the largest team on record.

Which city has the most intumescent systems manufacturers?

London leads with 26 headquartered companies, followed by Basildon (4) and Leeds (4).

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 904 verified decision-maker contacts tracked across these 207 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 30, 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.