Company lists · Data refreshed October 2026
Top 25 Firestop sealants suppliers based in the United Kingdom
RevenueBase identified 100 company matches for firestop sealants suppliers associated with the United Kingdom as of October 2026 and tracks 792 professional contacts across them, including 316 with verified work emails. London is the largest hub.
This list covers company matches for firestop sealants 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.
The 25 largest firestop sealants suppliers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 97 contacts → | ||||
Exact match “Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 75 contacts → | ||||
Exact match “Saving lives and preserving property.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 54 contacts → | ||||
Exact match “FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 31 contacts → | ||||
Exact match “Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 27 contacts → | ||||
Exact match “Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match “Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 19 contacts → | ||||
Exact match “MGN Fire Protection Limited has been providing passive fire protection services nationwide for the past 25 years.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “City Fire Proofing provide solutions from single fire stop seals, to building wide systems, remedial works and surveys.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 18 contacts → | ||||
Exact match “PFC Corofil is one of the UK's leading manufacturers of passive fire protection products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “WELCOME TO THE KEMWELL PFP Working with architects, specifiers and specialist contractors, and with our specialist product range and application knowledge, we provide alternative…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “With 50 years of fire safety experience, FireSealsDirect Ltd serves fire door installers and firestopping contractors across the UK through a vast portfolio of passive fire…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “GSI Contract Services are building passive fire protection specialists.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “Welcome to Fire & Acoustic Seals.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “FIREFLY® manufacture a range of world leading and fully certified passive fire protection products comprising lightweight, easy to install fire barriers with system ancillaries…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Passive fire protection specialists Holistic Fire Safety provide a range of tested and engineered solutions by fire stopping penetrations and defects in walls, floors, roofs…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “Our senior management team combined have over half a century’s experience at the forefront of passive fire protection in construction, covering a range of sectors from healthcare…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “Optimum Contractors are prominent industry leaders in the provision of Passive Fire Protection, Fire Stopping, Fire stopping and compartmentation surveying, remedials and Sealant…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “Krasi Fire Protection Ltd is a leading specialist in passive fire protection industry, focusing in utilising the latest products and application techniques by our experienced and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “CRS Fire Protection Ltd are a specialist passive fire protection and air sealing company based in the midlands Formed in 2009 CRS Fire Protection ltd is a family run business and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Pyroplex has an ever increasing worldwide reputation as a leading manufacturer of high performance fire containment systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Nullifire is a market leading brand in intumescent coatings and fire stopping solutions.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “With over 15 years experience in the Firestopping industry DHA are one of the most reputable companies in the industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “With over three decades of experience, Structural Fireproofing Systems Ltd (SFS) stands as a trusted name in passive fire protection throughout the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “ORR Fire Protection are passionate about expertly delivering critical services such as Fire Boarding and Firewalls, Acoustic and Air Sealing, Fire Stopping and Fire Barriers, and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “SJ Eastern Fireproofing Ltd is a company which has been founded on a wealth of established experience within the industry.” 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 “firestop sealants 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 100 firestop sealants suppliers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 316 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Firestop sealants suppliers based in the United Kingdom at a glance
As of Oct 25, 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 100 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 “firestop sealants 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 316 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 “firestop sealants suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many firestop sealants suppliers are there based in the United Kingdom?
RevenueBase identified 100 company matches for firestop sealants 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?
CLM Fireproofing tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most firestop sealants suppliers?
London leads with 13 company records, followed by Colchester (2) and Derby (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 316 professional contacts with verified work emails tracked across these 100 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 100 firestop sealants suppliers based in the United Kingdom. Start with a free account, no credit card.
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Firestop sealants suppliers by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Firestop sealants suppliers based in Canada
- Firestop sealants suppliers based in the Netherlands
- Firestop sealants suppliers based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
Company intelligence · public preview
Top 25 firestop sealants suppliers based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 100 matching company records for firestop sealants suppliers based in the United Kingdom, with 792 tracked contacts and 316 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 firestop sealants suppliers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  CLM Fireproofingclmfireproofing.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Lorientlorientuk.com HQ: Newton Abbot, United KingdomReported employees: 51-200 | Newton Abbot, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Saving lives and preserving property.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | FSI Promat By Etexpromat.com HQ: Measham, United KingdomReported employees: 51-200 | Measham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ARK Fire Protection LTDark-fp.co.uk HQ: Peterborough, United KingdomReported employees: 11-50 | Peterborough, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Norseal LTDnorseal.co.uk HQ: Prudhoe, United KingdomReported employees: 11-50 | Prudhoe, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Quelfirequelfire.co.uk HQ: Wardle, United KingdomReported employees: 11-50 | Wardle, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MGN Fire Protection LTDmgnfire.com HQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 19 contacts → |
“MGN Fire Protection Limited has been providing passive fire protection services nationwide for the past 25 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | City Fire Proofingcityfp.co.uk HQ: Brentwood, United KingdomReported employees: 51-200 | Brentwood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“City Fire Proofing provide solutions from single fire stop seals, to building wide systems, remedial works and surveys.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PFC Corofilpfc-corofil.com HQ: Chessington, United KingdomReported employees: 11-50 | Chessington, United Kingdom | 11-50 | Exact match | 18 contacts → |
“PFC Corofil is one of the UK's leading manufacturers of passive fire protection products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kemwell PFP LTDkemwell-fire.comHQ: Birmingham, United KingdomReported employees: 1-10 | Birmingham, United Kingdom | 1-10 | Exact match | 17 contacts → |
“WELCOME TO THE KEMWELL PFP Working with architects, specifiers and specialist contractors, and with our specialist product range and application knowledge, we provide alternative…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Firesealsdirectfiresealsdirect.co.uk HQ: Hengoed, United KingdomReported employees: 11-50 | Hengoed, United Kingdom | 11-50 | Exact match | 16 contacts → |
“With 50 years of fire safety experience, FireSealsDirect Ltd serves fire door installers and firestopping contractors across the UK through a vast portfolio of passive fire…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GSI Contract Services Limitedgsicontractservices.co.uk HQ: Little Chalfont, United KingdomReported employees: 51-200 | Little Chalfont, United Kingdom | 51-200 | Exact match | 16 contacts → |
“GSI Contract Services are building passive fire protection specialists.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fire & Acoustic Seals LTDfireandacousticseals.co.uk HQ: West Bromwich, United KingdomReported employees: 11-50 | West Bromwich, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Welcome to Fire & Acoustic Seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Firefly Fire Barrierstbafirefly.com HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 13 contacts → |
“FIREFLY® manufacture a range of world leading and fully certified passive fire protection products comprising lightweight, easy to install fire barriers with system ancillaries…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Holistic Fire Safetyholistic-firesafety.co.uk HQ: Barton-upon-humber, United KingdomReported employees: 11-50 | Barton-upon-humber, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Passive fire protection specialists Holistic Fire Safety provide a range of tested and engineered solutions by fire stopping penetrations and defects in walls, floors, roofs…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Prospect Fire Limitedprospectfire.co.uk HQ: Woodgate's End, United KingdomReported employees: 1-10 | Woodgate's End, United Kingdom | 1-10 | Exact match | 13 contacts → |
“Our senior management team combined have over half a century’s experience at the forefront of passive fire protection in construction, covering a range of sectors from healthcare…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Optimum Contractors LTDoptimumcontractors.co.uk HQ: Bishop's Stortford, United KingdomReported employees: 11-50 | Bishop's Stortford, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Optimum Contractors are prominent industry leaders in the provision of Passive Fire Protection, Fire Stopping, Fire stopping and compartmentation surveying, remedials and Sealant…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Krasi Fire Protection Limitedkfplimited.co.uk HQ: Coventry, United KingdomReported employees: 11-50 | Coventry, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Krasi Fire Protection Ltd is a leading specialist in passive fire protection industry, focusing in utilising the latest products and application techniques by our experienced and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CRS Fire Protection LTDcrsfireprotection.co.uk HQ: Nottinghamshire, United KingdomReported employees: 51-200 | Nottinghamshire, United Kingdom | 51-200 | Exact match | 10 contacts → |
“CRS Fire Protection Ltd are a specialist passive fire protection and air sealing company based in the midlands Formed in 2009 CRS Fire Protection ltd is a family run business and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pyroplexpyroplex.com HQ: Droitwich Spa, United KingdomReported employees: 51-200 | Droitwich Spa, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Pyroplex has an ever increasing worldwide reputation as a leading manufacturer of high performance fire containment systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nullifirenullifire.com HQ: Wigan, United KingdomReported employees: 51-200 | Wigan, United Kingdom | 51-200 | Exact match | 8 contacts → |
“Nullifire is a market leading brand in intumescent coatings and fire stopping solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DHA Firestopping LTDdhafire.co.uk HQ: Weston Super Mare, United KingdomReported employees: 1-10 | Weston Super Mare, United Kingdom | 1-10 | Exact match | 7 contacts → |
“With over 15 years experience in the Firestopping industry DHA are one of the most reputable companies in the industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Structural Fireproofing Systems LTDsfsinfo.com HQ: Mansfield Woodhouse Nottinghamshire, United KingdomReported employees: 11-50 | Mansfield Woodhouse Nottinghamshire, United Kingdom | 11-50 | Exact match | 6 contacts → |
“With over three decades of experience, Structural Fireproofing Systems Ltd (SFS) stands as a trusted name in passive fire protection throughout the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ORR Fire Protectionorrfireprotection.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 6 contacts → |
“ORR Fire Protection are passionate about expertly delivering critical services such as Fire Boarding and Firewalls, Acoustic and Air Sealing, Fire Stopping and Fire Barriers, and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SJ Eastern Fireproofing LTDsjefireproofing.co.uk HQ: Farringdon, United KingdomReported employees: 1-10 | Farringdon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“SJ Eastern Fireproofing Ltd is a company which has been founded on a wealth of established experience within the industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 100 company matches
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Firestop sealants suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
99 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 100 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for firestop sealants suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many firestop sealants suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 100 matching company records, 792 tracked contacts and 316 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Firestop sealants suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 firestop sealants suppliers based in the United Kingdom. Snapshot: October 25, 2026. https://revenuebase.ai/companies/firestop-sealants-suppliers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Firestop sealants suppliers based in Canada
- Firestop sealants suppliers based in the Netherlands
- Firestop sealants suppliers based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
Company intelligence · public preview
Top 25 firestop sealants suppliers based in the United Kingdom
RevenueBase records 100 matching company records for firestop sealants suppliers based in the United Kingdom, with 792 tracked contacts and 316 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 firestop sealants suppliers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | CLM Fireproofingclmfireproofing.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Lorientlorientuk.com HQ: Newton Abbot, United KingdomReported employees: 51-200 | Newton Abbot, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Saving lives and preserving property.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | FSI Promat By Etexpromat.com HQ: Measham, United KingdomReported employees: 51-200 | Measham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ARK Fire Protection LTDark-fp.co.uk HQ: Peterborough, United KingdomReported employees: 11-50 | Peterborough, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Norseal LTDnorseal.co.uk HQ: Prudhoe, United KingdomReported employees: 11-50 | Prudhoe, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Quelfirequelfire.co.uk HQ: Wardle, United KingdomReported employees: 11-50 | Wardle, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MGN Fire Protection LTDmgnfire.com HQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 19 contacts → |
“MGN Fire Protection Limited has been providing passive fire protection services nationwide for the past 25 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | City Fire Proofingcityfp.co.uk HQ: Brentwood, United KingdomReported employees: 51-200 | Brentwood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“City Fire Proofing provide solutions from single fire stop seals, to building wide systems, remedial works and surveys.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PFC Corofilpfc-corofil.com HQ: Chessington, United KingdomReported employees: 11-50 | Chessington, United Kingdom | 11-50 | Exact match | 18 contacts → |
“PFC Corofil is one of the UK's leading manufacturers of passive fire protection products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kemwell PFP LTDkemwell-fire.com HQ: Birmingham, United KingdomReported employees: 1-10 | Birmingham, United Kingdom | 1-10 | Exact match | 17 contacts → |
“WELCOME TO THE KEMWELL PFP Working with architects, specifiers and specialist contractors, and with our specialist product range and application knowledge, we provide alternative…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Firesealsdirectfiresealsdirect.co.uk HQ: Hengoed, United KingdomReported employees: 11-50 | Hengoed, United Kingdom | 11-50 | Exact match | 16 contacts → |
“With 50 years of fire safety experience, FireSealsDirect Ltd serves fire door installers and firestopping contractors across the UK through a vast portfolio of passive fire…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GSI Contract Services Limitedgsicontractservices.co.uk HQ: Little Chalfont, United KingdomReported employees: 51-200 | Little Chalfont, United Kingdom | 51-200 | Exact match | 16 contacts → |
“GSI Contract Services are building passive fire protection specialists.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fire & Acoustic Seals LTDfireandacousticseals.co.uk HQ: West Bromwich, United KingdomReported employees: 11-50 | West Bromwich, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Welcome to Fire & Acoustic Seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Firefly Fire Barrierstbafirefly.com HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 13 contacts → |
“FIREFLY® manufacture a range of world leading and fully certified passive fire protection products comprising lightweight, easy to install fire barriers with system ancillaries…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Holistic Fire Safetyholistic-firesafety.co.uk HQ: Barton-upon-humber, United KingdomReported employees: 11-50 | Barton-upon-humber, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Passive fire protection specialists Holistic Fire Safety provide a range of tested and engineered solutions by fire stopping penetrations and defects in walls, floors, roofs…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Prospect Fire Limitedprospectfire.co.uk HQ: Woodgate's End, United KingdomReported employees: 1-10 | Woodgate's End, United Kingdom | 1-10 | Exact match | 13 contacts → |
“Our senior management team combined have over half a century’s experience at the forefront of passive fire protection in construction, covering a range of sectors from healthcare…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Optimum Contractors LTDoptimumcontractors.co.uk HQ: Bishop's Stortford, United KingdomReported employees: 11-50 | Bishop's Stortford, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Optimum Contractors are prominent industry leaders in the provision of Passive Fire Protection, Fire Stopping, Fire stopping and compartmentation surveying, remedials and Sealant…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Krasi Fire Protection Limitedkfplimited.co.uk HQ: Coventry, United KingdomReported employees: 11-50 | Coventry, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Krasi Fire Protection Ltd is a leading specialist in passive fire protection industry, focusing in utilising the latest products and application techniques by our experienced and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CRS Fire Protection LTDcrsfireprotection.co.uk HQ: Nottinghamshire, United KingdomReported employees: 51-200 | Nottinghamshire, United Kingdom | 51-200 | Exact match | 10 contacts → |
“CRS Fire Protection Ltd are a specialist passive fire protection and air sealing company based in the midlands Formed in 2009 CRS Fire Protection ltd is a family run business and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pyroplexpyroplex.com HQ: Droitwich Spa, United KingdomReported employees: 51-200 | Droitwich Spa, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Pyroplex has an ever increasing worldwide reputation as a leading manufacturer of high performance fire containment systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nullifirenullifire.com HQ: Wigan, United KingdomReported employees: 51-200 | Wigan, United Kingdom | 51-200 | Exact match | 8 contacts → |
“Nullifire is a market leading brand in intumescent coatings and fire stopping solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DHA Firestopping LTDdhafire.co.uk HQ: Weston Super Mare, United KingdomReported employees: 1-10 | Weston Super Mare, United Kingdom | 1-10 | Exact match | 7 contacts → |
“With over 15 years experience in the Firestopping industry DHA are one of the most reputable companies in the industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Structural Fireproofing Systems LTDsfsinfo.com HQ: Mansfield Woodhouse Nottinghamshire, United KingdomReported employees: 11-50 | Mansfield Woodhouse Nottinghamshire, United Kingdom | 11-50 | Exact match | 6 contacts → |
“With over three decades of experience, Structural Fireproofing Systems Ltd (SFS) stands as a trusted name in passive fire protection throughout the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ORR Fire Protectionorrfireprotection.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 6 contacts → |
“ORR Fire Protection are passionate about expertly delivering critical services such as Fire Boarding and Firewalls, Acoustic and Air Sealing, Fire Stopping and Fire Barriers, and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SJ Eastern Fireproofing LTDsjefireproofing.co.uk HQ: Farringdon, United KingdomReported employees: 1-10 | Farringdon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“SJ Eastern Fireproofing Ltd is a company which has been founded on a wealth of established experience within the industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Firestop sealants suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
99 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 100 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for firestop sealants suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many firestop sealants suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 100 matching company records, 792 tracked contacts and 316 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Firestop sealants suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 firestop sealants suppliers based in the United Kingdom. Snapshot: October 25, 2026. https://revenuebase.ai/companies/firestop-sealants-suppliers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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