Company lists · Data refreshed November 2026

Top 25 International development design agencies worldwide

RevenueBase identified 34,842 company matches for international development design agencies worldwide as of November 2026 and tracks 299,269 professional contacts across them, including 67,109 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for international development design agencies worldwide, 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. Country and city lists for international development design agencies follow the table.

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
34,842Companies
299,269Contacts tracked
67,109Verified emails
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The 25 largest international development design agencies worldwide

Ranked by team size
Top 25 of 34,842 company matches for international development design agencies worldwide, 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 matchNew York, United StatesHQ recorded Nov 6, 202610001+19,689 contacts →

Exact match

“The United Nations Development Programme works in nearly 170 countries and territories, helping to achieve the eradication of poverty, and the reduction of inequalities and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWashington, United StatesHQ recorded Nov 6, 20261,001-5,0008,949 contacts →

Exact match

“IFC, a member of the World Bank Group, is the largest global development institution focused exclusively on the private sector in developing countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBath, PA, United KingdomHQ recorded Nov 6, 20261,001-5,0003,626 contacts →

Exact match

“We are an international, integrated consultancy of engineers, designers and advisers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,0002,730 contacts →

Exact match

“Expertise France is a public agency and a key actor in international technical cooperation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 20261,001-5,0002,507 contacts →

Exact match

“SNV is a global development partner, deeply rooted in the countries where we operate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a2,276 contacts →

Exact match

“MINE™ is a San Francisco-based design and brand communication firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, DC, United StatesHQ recorded Nov 6, 20261,001-5,0002,130 contacts →

Exact match

“Skidmore, Owings & Merrill (SOM) is a global practice of architects, designers, engineers, and planners, responsible for some of the world’s most technically and environmentally…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBrussels, BelgiumHQ recorded Nov 6, 20261,001-5,0002,056 contacts →

Exact match

“Enabel is the Belgian agency for international cooperation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,818 contacts →

Exact match

“CannonDesign is a different kind of design firm, where architecture, strategy, experience, innovation and social good converge to create meaningful impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchApe, Hong KongHQ recorded Nov 6, 20261,001-5,0001,545 contacts →

Exact match

“Aedas is the world’s only local and global architecture and design practice driven by global sharing of research, local knowledge and international practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZurich, SwitzerlandHQ recorded Nov 6, 20261,001-5,0001,457 contacts →

Exact match

“Swisscontact – Swiss Foundation for Technical Cooperation – is an independent non-profit development organisation established in 1959 by representatives of the Swiss private…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHamburg, GermanyHQ recorded Nov 6, 20261,001-5,0001,453 contacts →

Exact match

“GFA Consulting Group is one of Europe's leading consulting firms in the field of international development cooperation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026501-1,0001,452 contacts →

Exact match

“Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSwedenHQ recorded Nov 6, 20261,001-5,0001,371 contacts →

Exact match

“Tyréns is one of Sweden’s leading community development consultancies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-5001,303 contacts →

Exact match

“IDEO (pronounced “EYE-dee-oh”) is a global design consultancy helping the world’s most audacious dreamers create braver tomorrows.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAbidjan, Cote d'IvoireHQ recorded Nov 6, 20261,001-5,0001,039 contacts →

Exact match

“Le Bureau National d’Études Techniques et de Développement est, depuis sa création en 1978, l’organe privilégié du gouvernement de Côte d'Ivoire chargé de l’accompagner à travers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Nov 6, 2026501-1,000994 contacts →

Exact match

“NORR is a global team of 800 architects, engineers, planners, and interior designers creating design strategies and solutions that express the unique vision of every project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,000985 contacts →

Exact match

“NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a960 contacts →

Exact match

“We are a full-service communications agency behind some of the world’s most revered and iconic brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 2026201-500857 contacts →

Exact match

“We are an international provider of research, consulting, programme management and communications services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOxford, United KingdomHQ recorded Nov 6, 2026201-500849 contacts →

Exact match

“We are an international development consultancy that works in partnership with leaders providing analytical and practical policy expertise through our global network to support…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 2026201-500684 contacts →

Exact match

“NIRAS International Development Consulting is one of Europe's largest development consulting firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNogent-sur-marne, FranceHQ recorded Nov 6, 2026501-1,000677 contacts →

Exact match

“GRET is an international development NGO founded in 1976 and governed by French law, which works both in the field and at political level to provide sustainable, innovative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOttawa, CanadaHQ recorded Nov 6, 20261,001-5,000660 contacts →

Exact match

“Cowater is a global leader in management consulting services, focusing on developing and emerging economies.”

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

Showing 25 of 34,842 international development design agencies worldwide

See the full list, filter by size, metro and specialty, and access 67,109 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International development design agencies worldwide at a glance

As of Nov 6, 2026
22.4%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
28,051
11-50
5,470
51-200
801
201-500
196
501-1,000
58
1,001-5,000
42
5,001-10,000
9
10001+
22

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for international development design agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “international development design agencies” 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. 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 67,109 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.

International development design agencies by location

192 lists · largest first

Every International development design agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “international development design agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international development design agencies are there worldwide?

RevenueBase identified 34,842 company matches for international development design agencies worldwide 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?

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

Which country has the most international development design agencies?

The United States leads with 4,791 companies, followed by France (2,644) and the United Kingdom (2,370). Every international development design agencies list by country and city is linked on this page.

Which city has the most international development design agencies?

London leads with 751 company records, followed by Paris (418) and New York (345).

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 67,109 professional contacts with verified work emails tracked across these 34,842 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.