Company lists · Data refreshed September 2026

Top 15 Major donor consulting firms based in London, United Kingdom

RevenueBase identified 29 company matches for major donor consulting firms associated with London, United Kingdom as of September 2026 and tracks 211 professional contacts across them, including 77 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for major donor consulting firms associated with London, 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
29Companies
211Contacts tracked
77Verified emails
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The 15 largest major donor consulting firms based in London, United Kingdom

Ranked by team size
Top 15 of 29 company matches for major donor consulting firms based in London, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5041 contacts →

Exact match

“We are the UK’s leading full-service fundraising consulting firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5040 contacts →

Exact match

“About Bluefrog We focus on identifying and meeting donor needs as a means to develop outstanding fundraising strategies and materials.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5037 contacts →

Exact match

“Welcome to Philanthropy Company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“We are a dedicated team of UK and international experts that bring together the latest thinking, innovation and best practice in generating support for important causes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-109 contacts →

Exact match

“At Bright Spot, it’s our mission to help you enjoy your job and raise more money.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-106 contacts →

Exact match

“We help not for profits improve their fundraising so they can keep doing what they do brilliantly – making a difference to the world around us.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Running a charity today is both inspiring and demanding.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Non profits, improve your fundraising, grow your revenue and make more impact!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Global Leaders is a fundraising and strategy consultancy dedicated to helping mission-driven organisations unlock vital resources and build resilient partnerships for long-term…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-501 contacts →

Exact match

“The Fundraising agency is an agency that works with a wide client base providing support based expertise, knowledge and know how for all of your business needs - Your business is…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“WJ Consulting & Strategy is a UK-based consultancy with a global reach, dedicated to helping charities, NGOs, and non-profits strengthen their fundraising and event strategies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Alveo is Europe’s leading fundraising operations consultancy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Having spent 15 years fundraising within the charity sector, I have accumulated a significant track record, and built a large network of donors and charitable trusts for whom…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Solid Management and Consultancy Ltd was established in 1997 and works with a wide range of charities and not-for-profit organisations to raise money, attract new support and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Strategy, support, and advice for nonprofits and charities seeking to increase income, implement or recharge fundraising programmes, maximise donor loyalty, and strengthen…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 15 of 29 major donor consulting firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 77 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Major donor consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026
36.5%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
7
51-200
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 29 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 London, United Kingdom whose business descriptions match “major donor consulting firms” 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 77 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.

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 “major donor consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many major donor consulting firms are there based in London, United Kingdom?

RevenueBase identified 29 company matches for major donor consulting firms associated with London, 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?

Compton Fundraising Consultants LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most major donor consulting firms?

London leads the United Kingdom with 29 company records, followed by Hove (4) and Brighton (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 77 professional contacts with verified work emails tracked across these 29 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.