Company lists · Data verified August 2026
Top 9 Ada compliance consulting firms based in the United Kingdom
There are 26 ada compliance consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 427 professional contacts across them, including 122 with verified work emails and 63 with mobile numbers. London is the largest hub.
This list covers ada compliance consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 9 largest ada compliance consulting firms based in the United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  AEL Data Services LLP | 6 |
| 2 |  Tpgi, A Vispero Company | 67 |
| 3 |  Accessable | 29 |
| 4 |  Tetralogical | 13 |
| 5 |  Accessible By Design | 2 |
| 6 |  Proudlock Associates LTD | 2 |
| 7 |  Jane Simpson Access LTD | 1 |
| 8 |  IDACS | 1 |
| 9 | Teichler Consulting LTD | 1 |
Showing 9 of 26 ada compliance consulting firms based in the United Kingdom
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Ada compliance consulting firms based in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Ada compliance consulting firms by metro
| Metro | Companies |
|---|---|
| Ada compliance consulting firms in London | 10 |
| Ada compliance consulting firms in Manchester | 1 |
| Ada compliance consulting firms in Kingston Upon Thames | 1 |
| Ada compliance consulting firms in Swindon | 1 |
| Ada compliance consulting firms in Boston | 1 |
| Ada compliance consulting firms in Bristol | 1 |
| Ada compliance consulting firms in Stevenage | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “ada compliance consulting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
- 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
- Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many ada compliance consulting firms are there based in the United Kingdom?
There are 26 ada compliance consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
AEL Data Services LLP, headquartered in London, tops this list with the largest team on record.
Which city has the most ada compliance consulting firms?
London leads with 10 headquartered companies, followed by Manchester (1) and Kingston Upon Thames (1).
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 122 verified decision-maker contacts tracked across these 26 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.
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