Company lists · Data refreshed November 2026

Top 16 Window fans suppliers based in the United Kingdom

RevenueBase identified 42 company matches for window fans suppliers associated with the United Kingdom as of November 2026 and tracks 819 professional contacts across them, including 359 with verified work emails. Bristol is the largest hub.

This list covers company matches for window fans 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 November 4, 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 Nov 4, 2026 How this list was built
42Companies
819Contacts tracked
359Verified emails
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The 16 largest window fans suppliers based in the United Kingdom

Ranked by team size
Top 16 of 42 company matches for window fans suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchCrawley, United KingdomHQ recorded Nov 4, 2026201-500151 contacts →

Exact match

“Established in 1936 when Joe Akester invented the world’s first electrically-operated window fan, Vent-Axia has been setting the standard for ventilation for over 85 years.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchColchester, United KingdomHQ recorded Nov 4, 202651-20075 contacts →

Exact match

“Greenmill is one of the UK's leading wholesalers of Air Conditioning and Ventilation Install products.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchHigh Wycombe, United KingdomHQ recorded Nov 4, 202651-20074 contacts →

Exact match

“In 1955, from one man's expertise in the fields of fan design and air flow measurement, the Airflow Developments group of companies was founded.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchBirmingham, United KingdomHQ recorded Nov 4, 202651-20061 contacts →

Exact match

“With our Head Office in Birmingham and a further 13 branches across the UK, we are ideally placed to offer our customers a fast efficient response to any enquiry for Ventilation &…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchBelfast, United KingdomHQ recorded Nov 4, 202651-20039 contacts →

Exact match

“Founded in 1984 by the visionary engineer Billy Divers, Brookvent has established itself as a trailblazer in the ventilation industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchIpswich, United KingdomHQ recorded Nov 4, 202651-20033 contacts →

Exact match

“S&P UK is the UK subsidiary of the S&P Ventilation Group, a world leader in the manufacture and supply of ventilation equipment and systems.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchHigh Wycombe, United KingdomHQ recorded Nov 4, 202611-5029 contacts →

Exact match

“Vectaire Ltd are part of the privately owned Vectaire Group of companies.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchLeicester, United KingdomHQ recorded Nov 4, 202611-5015 contacts →

Exact match

“Blauberg UK are the British branch of the worldwide ventilation group, The Blauberg Group.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchCastle Donington, United KingdomHQ recorded Nov 4, 202651-20015 contacts →

Exact match

“Klober was formed in 1960 and has grown to become one of Europe's leading manufacturers of roof ventilation products and roofing accessories.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchCaerphilly, United KingdomHQ recorded Nov 4, 202651-20015 contacts →

Exact match

“Founded in 2017 as the re-brand of Polypipe Ventilation, Domus Ventilation enters the industry as an established market-leader.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchNewcastle-under-lyme, United KingdomHQ recorded Nov 4, 202611-5014 contacts →

Exact match

“If you're looking for a fan supplier to empower you to make better fan selections, to challenge the status quo and end complacency, get in touch.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchRotherham, United KingdomHQ recorded Nov 4, 20261-105 contacts →

Exact match

“With over 60 years of experience in manufacturing fans and offering one of the most extensive product lines available, Nicotra Gebhardt stands as a market leader in…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchColchester, United KingdomHQ recorded Nov 4, 202611-502 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 4, 20261-102 contacts →

Exact match

“Since 1996 we have worked with consultants, contractors and end users to provide a one stop shop for commercial and residential buildings.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchBridgnorth, United KingdomHQ recorded Nov 4, 202611-501 contacts →

Exact match

“Mardon Engineering are company that Specialise in the Design and Manufacture of Small to Medium Sized Fans and Filter Units.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchRochester, United KingdomHQ recorded Nov 4, 20261-101 contacts →

Exact match

“Founded as a one-person garage business, we now employ approximately 400 people on 4 sites.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 16 of 42 window fans suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 359 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Window fans suppliers based in the United Kingdom at a glance

As of Nov 4, 2026
43.8%Verified-email coverage
19.5Average contacts per company
11-50Median size (employees)
7.1%Largest-city concentration · Bristol
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
12
51-200
11
201-500
2

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 42 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 “window fans 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 359 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 November 4, 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 “window fans suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many window fans suppliers are there based in the United Kingdom?

RevenueBase identified 42 company matches for window fans suppliers associated with the United Kingdom as of November 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?

Vent-Axia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most window fans suppliers?

Bristol leads with 3 company records, followed by Colchester (2) and Crawley (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 359 professional contacts with verified work emails tracked across these 42 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 November 4, 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.