Company lists · Data refreshed September 2026

Top 25 Impact measurement and management consultants based in the United Kingdom

Name: Impact measurement and management consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 919 companies tracked

RevenueBase identified 919 company matches for impact measurement and management consultants associated with the United Kingdom as of September 2026 and tracks 4,730 professional contacts across them, including 1,770 with verified work emails. London is the largest hub.

This list covers company matches for impact measurement and management consultants 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 September 28, 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 Sep 28, 2026 How this list was built

919Companies

4,730Contacts tracked

1,770Verified emails

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The 25 largest impact measurement and management consultants based in the United Kingdom

Ranked by team size

Top 25 of 919 company matches for impact measurement and management consultants based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Integrity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	158 contacts →
	Exact match “Integrity sets the international standard for ethically delivered, expert services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Stellarmann	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	87 contacts →
	Exact match “Complex transformation, expertly navigated.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	The Smarty Train	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	86 contacts →
	Exact match “From employability and strategy formulation through to training programme design and delivery, we have been the engine behind award-winning and high-impact workplace initiatives…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	The Challenges Group	Exact match	Edinburgh, United KingdomHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “The Challenges Group is a global impact venture builder for enterprises with the potential to grow commercially and create meaningful social and environmental value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Montrose	Exact match	Jersey, United KingdomHQ recorded Sep 28, 2026	51-200	69 contacts →
	Exact match “Montrose is an international development consultancy and project management company providing services to bilateral and multi-lateral development agencies, non-governmental…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Thirdway Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	68 contacts →
	Exact match “ThirdWay Partners operates as an impact investment and advisory firm focused on creating inclusive sustainable development and impact.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Curzon Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	59 contacts →
	Exact match “An award-winning management consultancy who deliver tangible and enduring results for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Eastside People	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	58 contacts →
	Exact match “Eastside People is a community of experienced professionals focused on helping charity, not-for-profit and social enterprise leaders to build the capacity and impact of their…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	IOD Parc	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	11-50	56 contacts →
	Exact match “Incorporated in 1998 in the United Kingdom, IOD PARC is a private consulting company and a leading, global specialist-provider in results-based performance assessment in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	180 Degrees Consulting Exeter CIC	Exact match	Exeter, United KingdomHQ recorded Sep 28, 2026	11-50	53 contacts →
	Exact match “As 180DC Exeter, we represent the global 180 Degrees Consulting Organisation from our HQ in the South West of the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Cura Terrae	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	201-500	50 contacts →
	Exact match “Our mission is to provide services and solutions to help take care of the Earth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Bridges Outcomes Partnerships	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	48 contacts →
	Exact match “Bridges Outcomes Partnerships is a not-for-profit social enterprise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Circle Development	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	45 contacts →
	Exact match “Circle are Carbon, Project, Cost and Quality experts.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	TH NK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	41 contacts →
	Exact match “You can now find us over at EPAM Continuum.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	GC Insight	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “PURPOSE-DRIVEN RESEARCH & ADVICE SERVICES We are a social enterprise, committed to generating social value impacts and helping our clients have a more positive impact on place…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Brodie	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “We are here to drive three significant changes: CHANGE CORPORATE IMPACT: help business to reframe and re-orient its role in society CHANGE CONSUMPTION: help brands re-wire for the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Travis Baker	Exact match	Halesowen, United KingdomHQ recorded Sep 28, 2026	51-200	36 contacts →
	Exact match “Travis Baker was established in 2006 to provide a high quality consultancy, concentrated on the development sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Renaisi	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “We are Renaisi, a social impact consultancy helping people and places to thrive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Substance	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Founded in Manchester, 2005.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Citi Limited	Exact match	Milton Keynes, United KingdomHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “CITI enables and supports organisations and leaders to deliver valuable change through effective decision-making and PPM to create and influence an ethical and sustainable future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	The Good Economy Partnership Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “From consultancy to collaborative field-building, The Good Economy (TGE) is a recognised thought leader and the ‘go to’ firm for organisations looking to deliver and report on…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Full Circle Management Solutions	Exact match	Belfast, United KingdomHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “Full Circle Management Solutions Ltd is one of Northern Ireland's fastest growing management consultancy practices.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	S3 Solutions	Exact match	Belfast, United KingdomHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “Established in 2013, S3 Solutions is an independent consultancy company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Envance	Exact match	Stockport, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “We believe that a better future for people and the planet doesn't have to be at the expense of success in the present.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Kaleidoscope Health And Care	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Kaleidoscope is an award-winning social enterprise consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “impact measurement and management consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 919 impact measurement and management consultants based in the United Kingdom

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Impact measurement and management consultants based in the United Kingdom at a glance

As of Sep 28, 2026

37.4%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

42.4%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

725

11-50

162

51-200

201-500

10001+

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 919 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 “impact measurement and management consultants” 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 1,770 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 September 28, 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.

Impact measurement and management consultants by metro

Impact measurement and management consultants in London390

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 “impact measurement and management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact measurement and management consultants are there based in the United Kingdom?

RevenueBase identified 919 company matches for impact measurement and management consultants associated with the United Kingdom as of September 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?

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

Which city has the most impact measurement and management consultants?

London leads with 390 company records, followed by Bristol (22) and Manchester (20).

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 1,770 professional contacts with verified work emails tracked across these 919 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 September 28, 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.