Company lists · Data verified August 2026
Top 14 Evaluation consulting firms based in the United Kingdom
There are 27 evaluation consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 193 professional contacts across them, including 79 with verified work emails and 12 with mobile numbers. London is the largest hub.
This list covers evaluation 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 14 largest evaluation consulting firms based in the United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | IOD Parc | 36 |
| 2 | Enthalpy | 20 |
| 3 |  Centre For Strategy & Evaluation Services Cses | 8 |
| 4 |  Municipal Solutions, LLC | 1 |
| 5 | Information By Design Ibyd | 2 |
| 6 |  Belmana LTD | 1 |
| 7 |  Cloud Chamber | 2 |
| 8 | The Evaluator | 2 |
| 9 | Ymchwil Ob3 Research | 2 |
| 10 | Seymour Research Limited | 1 |
| 11 |  Burns & Turner LTD | 1 |
| 12 | Fiveways NP LTD | 1 |
| 13 |  Boardroom Review Limited | 1 |
| 14 | Research Oxford Limited | 1 |
Showing 14 of 27 evaluation consulting firms based in the United Kingdom
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Evaluation consulting firms based in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Evaluation consulting firms by metro
| Metro | Companies |
|---|---|
| Evaluation consulting firms in London | 5 |
| Evaluation consulting firms in Birmingham | 2 |
| Evaluation consulting firms in Edinburgh | 2 |
| Evaluation consulting firms in Sheffield | 2 |
| Evaluation consulting firms in Cambridge | 1 |
| Evaluation consulting firms in Sunderland | 1 |
| Evaluation consulting firms in Totnes | 1 |
| Evaluation consulting firms in Newbury | 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 “evaluation 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; 0 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 evaluation consulting firms are there based in the United Kingdom?
There are 27 evaluation consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
IOD Parc, headquartered in Sheffield, tops this list with the largest team on record.
Which city has the most evaluation consulting firms?
London leads with 5 headquartered companies, followed by Birmingham (2) and Edinburgh (2).
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 79 verified decision-maker contacts tracked across these 27 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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