Company lists · Data refreshed September 2026
Top 25 Wet sprinkler system installers based in the United Kingdom
RevenueBase identified 191 wet sprinkler system installers headquartered in the United Kingdom as of September 2026 and tracks 2,248 professional contacts across them, including 933 with verified work emails. Manchester is the largest hub.
This list covers wet sprinkler system installers 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 wet sprinkler system installers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 386 contacts → | ||||
Indirect evidence “Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 341 contacts → | ||||
Indirect evidence “We deliver complex fire protection and security solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 93 contacts → | ||||
Partial evidence “Argus fire is: •The UK’s class-leading supplier of fire detection and fire protection systems •One of the largest privately owned fire protection businesses in the UK •Trusted to…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 78 contacts → | ||||
Strong evidence “Market Leading Level 4 - LPC / LPS 1048 designers & installers of Automatic Fire protection Systems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Indirect evidence “Thameside Fire Protection, having operated successfully since 1985, is one of the largest independent fire protection companies in the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 37 contacts → | ||||
Partial evidence “Part of EA-RS Group, Surefire Services are leaders in the high-quality design, engineering, installation, and maintenance of Fire Protection Systems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 32 contacts → | ||||
Partial evidence “Expert maintenance and servicing of your fire protection systems, to protect everything that matters most to you.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 25 contacts → | ||||
Partial evidence “We specialise in the installation, maintenance and repair of fire systems for commercial, residential and industrial clients nationwide.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Strong evidence “Armstrong Priestley has a reputation for delivering high quality automatic fire sprinkler systems on time and on budget.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 22 contacts → | ||||
Indirect evidence “Cannon Fire Protection has developed an excellent reputation within the fire protection industry, exclusively providing services to the trade.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 20 contacts → | ||||
Strong evidence “Part of EA-RS Group, APW Fire Protection is one of the leading approved designers and installers of Automatic Fire Sprinkler Systems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 contacts → | ||||
Strong evidence “Founded in 2005, Indigo Fire specialise in Sprinkler System installation, modifications, repair and maintenance to the commercial and residential/ domestic markets, supplying to…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Strong evidence “Part of EA-RS Group, Circum Fire Engineering are leading specialists in Fire Suppression, Water Mist and Sprinkler Systems within the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 contacts → | ||||
Partial evidence “Specialist Sprinkler Contractor At FVS Limited we pride ourselves on our quality of service and attention to detail.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 17 contacts → | ||||
Partial evidence “Alarmtec was established in 1974 and since then we have developed and grown to become one of the UK's leading independent specialist fire and life protection system providers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 16 contacts → | ||||
Strong evidence “LPCB 1048-1 Level 4 Approved Sprinkler Contractor • ISO 9001 Quality System • Designs to BS EN 12845 / FM Global / NFPA • Automatic Sprinkler Systems • Special Risk Foam and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 16 contacts → | ||||
Strong evidence “IFC Certification accredited installation, maintenance, & servicing of automatic sprinkler systems for domestic & residential occupancies, including High Rise Apartments…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Strong evidence “AES National Ltd has been a leading mechanical services installer/contractor, providing residential and domestic fire sprinklers since 1989.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 14 contacts → | ||||
Partial evidence “Dry Risers Direct Ltd designs, installs and services Dry Riser and Hydrant systems nationwide.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 14 contacts → | ||||
Indirect evidence “Nu-Form Fire UK is a leading fire suppression contractor.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Partial evidence “UK Sprinklers Limited offer the design, supply installation, test commission and service of all types of residential and domestic fire sprinkler installations throughout the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 13 contacts → | ||||
Partial evidence “DPJ Sprinklers Limited is an industry-leading independent sprinkler specialist, offering a dynamic approach to our industry, which ensures an unrivalled level of expertise…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Strong evidence “RAD Firesprinkler Co Ltd designs, installs and services residential fire sprinkler systems primarily throughout London and the South East of England & Ireland.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “Did you know that.” 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: wet sprinkler system installers. 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 wet sprinkler system installers.
- Partial evidence
- Its own public description names part of wet sprinkler system installers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name wet sprinkler system installers. 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 191 wet sprinkler system installers based in the United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 933 reachable decision-makers.
Free signup · no credit card
Wet sprinkler system installers 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 191 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 wet sprinkler system installers, 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 “wet sprinkler system installers”. 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 wet sprinkler system installers), 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 wet sprinkler system installers, 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, 933 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.
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 wet sprinkler system installers, 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 wet sprinkler system installers are there based in the United Kingdom?
RevenueBase identified 191 wet sprinkler system installers 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?
Trinity Fire & Security Systems, headquartered in Exeter, tops this list with the largest team on record.
Which city has the most wet sprinkler system installers?
Manchester leads with 11 headquartered companies, followed by London (10) and Basingstoke (5).
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 933 verified decision-maker contacts tracked across these 191 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.
Ready to reach these companies? Verified emails and direct dials for all 191 wet sprinkler system installers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Wet sprinkler system installers by geography
- Wet sprinkler system installers based in Australia
- Wet sprinkler system installers based in Brazil
- Wet sprinkler system installers based in Canada
- Wet sprinkler system installers based in France
- Wet sprinkler system installers based in Germany
- Wet sprinkler system installers based in India
- Wet sprinkler system installers based in Italy
- Wet sprinkler system installers based in Mexico
- Wet sprinkler system installers based in the Netherlands
- Wet sprinkler system installers based in Spain
- Wet sprinkler system installers based in the United Arab Emirates
- Wet sprinkler system installers based in the United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wet sprinkler system installers based in Australia
- Wet sprinkler system installers based in Brazil
- Wet sprinkler system installers based in Canada
- Wet sprinkler system installers based in France
- Wet sprinkler system installers based in Germany
- Wet sprinkler system installers based in India