Company lists · Data refreshed November 2026

Top 24 Development organizations based in the United Kingdom

RevenueBase identified 7,264 company matches for development organizations associated with the United Kingdom as of November 2026 and tracks 137,874 professional contacts across them, including 36,370 with verified work emails. London is the largest hub.

This list covers company matches for development organizations 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 November 6, 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 Nov 6, 2026 How this list was built
7,264Companies
137,874Contacts tracked
36,370Verified emails
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The 24 largest development organizations based in the United Kingdom

Ranked by team size
Top 24 of 7,264 company matches for development organizations based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchAmsterdam, United KingdomHQ recorded Nov 6, 20265,001-10,00011,944 contacts →

Exact match

“We deliver mission-critical insights and tools for impact makers worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWoking, United KingdomHQ recorded Nov 6, 20265,001-10,0008,236 contacts →

Exact match

“Plan International is an independent development and humanitarian organisation that stands with girls to tear down barriers, save lives and build a world where equality for girls…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOxford, United KingdomHQ recorded Nov 6, 20265,001-10,0007,748 contacts →

Exact match

“Oxfam is a vibrant global movement of dedicated people fighting poverty - together.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0004,291 contacts →

Exact match

“The EBRD works across three continents to support the transition to successful market economies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUk, United KingdomHQ recorded Nov 6, 20261,001-5,0001,705 contacts →

Exact match

“Learning to change the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSwindon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,394 contacts →

Exact match

“UK Research and Innovation (UKRI) is the public sector organisation that invests £8 billion annually to support the entire research and innovation system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTeddington, United KingdomHQ recorded Nov 6, 20261,001-5,0001,282 contacts →

Exact match

“Looking to work for a charity that has Jesus at its heart?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-5001,220 contacts →

Exact match

“Blackmont Consulting provides 100% free advisory services to NGO´s, NPO´s and start-ups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a1,034 contacts →

Exact match

“Theirworld is a global children’s charity committed to ending the global education crisis and unleashing the potential of the next generation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Nov 6, 20261,001-5,000883 contacts →

Exact match

“For more than 35 years, the Growth Company has operated as a social enterprise, reinvesting our success to deliver inclusive and sustainable growth for people, businesses and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a876 contacts →

Exact match

“Adam Smith International is a global advisory company that works locally to transform lives by making economies stronger, societies more stable, and governments more effective.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000831 contacts →

Exact match

“In a world where media can be divisive and untrustworthy, we believe in the power of media and communication to do good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500820 contacts →

Exact match

“We are Restless Development, the youth-led global network.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRedcar, United KingdomHQ recorded Nov 6, 2026501-1,000771 contacts →

Exact match

“CPI connects the dots within the innovation ecosystem to make great ideas and inventions a reality to benefit people, places and planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000769 contacts →

Exact match

“We specialise in strategic delivery, turning strategic vision into plans, and plans into meaningful and lasting impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCheshire, United KingdomHQ recorded Nov 6, 2026n/a707 contacts →

Exact match

“Human Appeal is a UK-based international humanitarian and development organisation delivering life-saving aid and sustainable development programmes in over 30 countries across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLeeds, United KingdomHQ recorded Nov 6, 2026501-1,000633 contacts →

Exact match

“At Hippo, we design for humans and build for intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLichfield, United KingdomHQ recorded Nov 6, 2026201-500625 contacts →

Exact match

“Since 2003, we’ve been solving planning and development problems for our clients successfully.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRugby, United KingdomHQ recorded Nov 6, 2026501-1,000618 contacts →

Exact match

“We are an international development organisation putting ingenious ideas to work so people in poverty can change their world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWatford, United KingdomHQ recorded Nov 6, 2026501-1,000588 contacts →

Exact match

“VINCI Building delivers complex projects and programmes focussing on technical excellence and experience to sustainably deliver best value for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200555 contacts →

Exact match

“Strategy Insights is a specialist business and economic development consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLeeds, United KingdomHQ recorded Nov 6, 2026n/a539 contacts →

Exact match

“Knowledge and learning are humanity’s greatest renewable resources for responding to challenges and inventing alternatives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000508 contacts →

Exact match

“Crown Agents is an international development organisation that works with leaders across the globe to accelerate self-sufficiency and prosperity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500507 contacts →

Exact match

“Together, we give more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 7,264 development organizations based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 36,370 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Development organizations based in the United Kingdom at a glance

As of Nov 6, 2026
26.4%Verified-email coverage
19.0Average contacts per company
1-10Median size (employees)
41.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
5,030
11-50
1,597
51-200
364
201-500
93
501-1,000
50
1,001-5,000
34
5,001-10,000
12
10001+
17

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 7,264 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 “development organizations” 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 36,370 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 November 6, 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 “development organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many development organizations are there based in the United Kingdom?

RevenueBase identified 7,264 company matches for development organizations associated with the United Kingdom as of November 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?

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

Which city has the most development organizations?

London leads with 2991 company records, followed by Manchester (166) and Edinburgh (148).

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 36,370 professional contacts with verified work emails tracked across these 7,264 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 November 6, 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.