Company lists · Data refreshed October 2026

Top 14 Firewall installation contractors based in the United Kingdom

RevenueBase identified 28 company matches for firewall installation contractors associated with the United Kingdom as of October 2026 and tracks 164 professional contacts across them, including 69 with verified work emails. London is the largest hub.

This list covers company matches for firewall installation contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 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 12, 2026 How this list was built
28Companies
164Contacts tracked
69Verified emails
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The 14 largest firewall installation contractors based in the United Kingdom

Ranked by team size
Top 14 of 28 company matches for firewall installation contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSittingbourne, United KingdomHQ recorded Oct 12, 20261-1026 contacts →

Exact match

“We specialise in the installation, maintenance and repair of fire systems for commercial, residential and industrial clients nationwide.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchBrentwood, United KingdomHQ recorded Oct 12, 202651-20018 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 12, 2026 · View company records in RevenueBase
3Exact matchWidnes, United KingdomHQ recorded Oct 12, 202611-5010 contacts →

Exact match

“BDL Fire Protection Ltd are specialists within the Passive Fire Protection (PFP) Industry.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchHull, United KingdomHQ recorded Oct 12, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchMansfield Woodhouse Nottinghamshire, United KingdomHQ recorded Oct 12, 202611-506 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 12, 2026 · View company records in RevenueBase
6Exact matchGlasgow, United KingdomHQ recorded Oct 12, 202651-2006 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 12, 2026 · View company records in RevenueBase
7Exact matchFarringdon, United KingdomHQ recorded Oct 12, 20261-105 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 12, 2026 · View company records in RevenueBase
8Exact matchBrigg, United KingdomHQ recorded Oct 12, 202611-505 contacts →

Exact match

“TerraSecure Is a bespoke security provider offering price effective solution to small, Medium and large businesses.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchBracknell, United KingdomHQ recorded Oct 12, 202611-504 contacts →

Exact match

“J G Truty Sprinkler Installations Limited specialises in the design, installation, service and maintenance of fixed fire protection systems.We operate within the Commercial…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchWrexham, United KingdomHQ recorded Oct 12, 20261-102 contacts →

Exact match

“Welcome to Allied Fire Alarms & Escapes Co Ltd.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchFareham, United KingdomHQ recorded Oct 12, 202611-502 contacts →

Exact match

“SCI Fire Protection is a leading fire protection specialist based in Hampshire.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchSheffield, United KingdomHQ recorded Oct 12, 20261-102 contacts →

Exact match

“KBH Installations offers a complete range of services for all fire and security, cctv, data and fibre installation projects, from simple, labour only contracts up to complete…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchWellington, United KingdomHQ recorded Oct 12, 20261-101 contacts →

Exact match

“Shield IT Solutions provides specialist network and IT security services to the SME market.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchGillingham, United KingdomHQ recorded Oct 12, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 14 of 28 firewall installation contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 69 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Firewall installation contractors based in the United Kingdom at a glance

As of Oct 12, 2026
42.1%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
7.1%Largest-city concentration · London
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
9
51-200
3
201-500
1

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 28 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 “firewall installation contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 69 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 12, 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 “firewall installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many firewall installation contractors are there based in the United Kingdom?

RevenueBase identified 28 company matches for firewall installation contractors associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most firewall installation contractors?

London leads with 2 company records, followed by Brentwood (1) and Brigg (1).

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 69 professional contacts with verified work emails tracked across these 28 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 12, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.