Company lists · Data refreshed September 2026

Top 25 Impact measurement software consultants based in the United Kingdom

Name: Impact measurement software 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 166 companies tracked

RevenueBase identified 166 company matches for impact measurement software consultants associated with the United Kingdom as of September 2026 and tracks 933 professional contacts across them, including 435 with verified work emails. London is the largest hub.

This list covers company matches for impact measurement software 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

166Companies

933Contacts tracked

435Verified emails

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The 25 largest impact measurement software consultants based in the United Kingdom

Ranked by team size

Top 25 of 166 company matches for impact measurement software 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	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
2	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
3	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
4	Thrive	Exact match	Belfast, United KingdomHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Thrive is a flexible and intuitive software solution which enables organisations to better capture, manage and demonstrate their social value and corporate responsibility…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	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
6	Makerble	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	33 contacts →
	Exact match “Makerble is an AI-enabled impact measurement platform that enables nonprofits and outcomes-focused teams to run their programmes efficiently and report their impact quickly.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	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
8	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
9	Singlify	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Singlify is a new social enterprise born out of the belief that technology will play a critical role in increasing the impact of social sector organisations on society.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	MIME	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Mime is expert at turning data into useful and engaging insights.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Trust Impact	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “It’s never been more important for organisations to explore, align, amplify and communicate the positive impact you’re having.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Small World Consulting	Exact match	Lancaster, United KingdomHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “We help organisations understand their true impact on people and planet and inspire them to think and act differently to become truly sustainable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Winning Moves LTD	Exact match	Birmingham, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “Winning Moves informs and supports better tomorrows through digital, data and know-how.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Impact Reporting	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Change just got real.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Firetail	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Firetail is a strategy consultancy working to achieve social progress.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	The Social Innovation Partnership Tsip	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “The Social Innovation Partnership (TSIP) is a trusted advisor to public, private and social sector organisations seeking to maximise their social impact.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Lamplight Database Systems Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Transform the way you work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	LOOP	Exact match	Hull, United KingdomHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “Social value is too important to be inaccurate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Simetrica-Jacobs	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Whether you’re determining how to drive additional benefits, the best option for your investment, or how to maximise savings, it is imperative to understand and articulate the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Impactloop LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “ImpactLoop LTD is a UK-based boutique consultancy that bridges research and practice to ensure policies, programmes, and projects are grounded in evidence and contribute to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	3adapt	Exact match	Bath, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “3ADAPT is a strategic sustainability consultancy and software house helping organisations improve environmental, social, and economic outcomes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	HIVVE	Exact match	Bourne End, United KingdomHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “hivve (formally Vertigo Ventures - VV) empowers organisations and individuals around the world to understand, capture and demonstrate the impact of their research.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	MAST	Exact match	Guildford, United KingdomHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “At Mast we recognise that NFP organisations need to make optimal use of their limited resources and get the most from their Information Systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Sonnet Advisory & Impact CIC	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “We’re a research and strategic consultancy with specialisms in mergers and acquisitions, and the design and reform of impact-based organisations and interventions Traditional…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Eido Research	Exact match	Warlingham, United KingdomHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Eido Research was founded by Samuel and Ben on a shared passion and a shared frustration.” 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 software 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 166 impact measurement software consultants based in the United Kingdom

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Impact measurement software consultants based in the United Kingdom at a glance

As of Sep 28, 2026

46.6%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

48.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

127

11-50

51-200

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 166 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 software 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 435 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 software consultants by metro

Impact measurement software consultants in London80

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 software consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 166 company matches for impact measurement software 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?

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

Which city has the most impact measurement software consultants?

London leads with 80 company records, followed by Manchester (8) and Bristol (4).

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 435 professional contacts with verified work emails tracked across these 166 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.