Company lists · Data refreshed November 2026

Top 25 Architect firms worldwide

Name: Architect firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 176,235 companies tracked

RevenueBase identified 176,235 company matches for architect firms worldwide as of November 2026 and tracks 1,568,210 professional contacts across them, including 469,857 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for architect firms 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 architect firms 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

176,235Companies

1,568,210Contacts tracked

469,857Verified emails

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The 25 largest architect firms worldwide

Ranked by team size

Top 25 of 176,235 company matches for architect firms 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	ARUP	Exact match	London, QC, United KingdomHQ recorded Nov 6, 2026	10001+	22,877 contacts →
	Exact match “We guide, plan and design the future of the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	SWECO	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	10001+	19,587 contacts →
	Exact match “Sweco is at the heart of the green transition - planning and designing the sustainable communities and cities of the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ramboll	Exact match	Copenhagen, DenmarkHQ recorded Nov 6, 2026	10001+	16,684 contacts →
	Exact match “Ramboll is a global architecture, engineering and consultancy company founded in Denmark in 1945.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	DAR	Exact match	Beirut, LebanonHQ recorded Nov 6, 2026	10001+	11,589 contacts →
	Exact match “Dar is one of the world’s leading consultancies, providing design, planning, engineering, sustainability consulting, digital solutions and services, project management, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Kimley-Horn	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	11,227 contacts →
	Exact match “Kimley-Horn is one of the nation’s premier planning and design consulting firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	10,188 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Saudi Binladin Group SBG	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	10001+	8,556 contacts →
	Exact match “Saudi Binladin Group (SBG) is the trendsetter in construction and architectural innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Khatib & Alami	Exact match	Downtown, PolandHQ recorded Nov 6, 2026	5,001-10,000	6,495 contacts →
	Exact match “Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Idom Consulting, Engineering, Architecture	Exact match	Bilbao, SpainHQ recorded Nov 6, 2026	5,001-10,000	5,518 contacts →
	Exact match “IDOM is a leading multinational company providing professional services in consulting, engineering and architecture.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Norconsult	Exact match	Sandvika, NorwayHQ recorded Nov 6, 2026	5,001-10,000	3,801 contacts →
	Exact match “Norconsult is a multidisciplinary engineering and design consultancy, providing services to clients in the public and private sectors worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Rider Levett Bucknall RLB	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,559 contacts →
	Exact match “RLB.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	SJ Group	Exact match	SingaporeHQ recorded Nov 6, 2026	10001+	3,513 contacts →
	Exact match “SJ designs spaces and systems that unlock human potential, delivering connection and certainty on shifting ground.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Perkins&will	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,204 contacts →
	Exact match “Since 1935, we’ve believed that design has the power to make the world a better, more beautiful place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Foster Partners	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,042 contacts →
	Exact match “Foster + Partners is a global studio for architecture, urbanism and design, all rooted in sustainability and founded by Norman Foster in 1967.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Dewberry	Exact match	Fairfax, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,009 contacts →
	Exact match “Dewberry is a leading, market-facing firm with a proven history of providing professional services to a wide variety of public- and private-sector clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	HOK	Exact match	New York, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,828 contacts →
	Exact match “HOK is a global interdisciplinary design firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Hks, INC	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,694 contacts →
	Exact match “We are a global firm of architects, designers, planners and advisors who create places noted for their beauty and performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Multiconsult	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	2,654 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	The Haskell Company	Exact match	Jacksonville, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,439 contacts →
	Exact match “Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	KEO International Consultants	Exact match	Safat, KuwaitHQ recorded Nov 6, 2026	1,001-5,000	2,198 contacts →
	Exact match “From shaping iconic skylines to crafting sustainable communities, KEO builds legacies for a better tomorrow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Colliers Engineering & Design	Exact match	Holmdel, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,172 contacts →
	Exact match “Colliers Engineering & Design, an affiliate of Colliers, is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Skidmore, Owings & Merrill SOM	Exact match	New York, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,130 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
23	DLR Group	Exact match	30 Offices, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,118 contacts →
	Exact match “DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,116 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Smithgroup	Exact match	Detroit, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,938 contacts →
	Exact match “SmithGroup is an award-winning, multi-national integrated design firm that employs research, data, advanced technologies and design thinking to help clients solve their greatest…” Recorded in the RevenueBase company graph · Nov 6, 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 “architect firms”. 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 176,235 architect firms worldwide

See the full list, filter by size, metro and specialty, and access 469,857 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Architect firms worldwide at a glance

As of Nov 6, 2026

30.0%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

117,918

11-50

44,363

51-200

9,032

201-500

1,832

501-1,000

417

1,001-5,000

239

5,001-10,000

10001+

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 architect firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “architect 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. 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 469,857 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.

Architect firms by location

611 lists · largest first

Every Architect firms 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 “architect firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many architect firms are there worldwide?

RevenueBase identified 176,235 company matches for architect firms 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?

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

Which country has the most architect firms?

The United States leads with 29,649 companies, followed by India (13,311) and the United Kingdom (10,239). Every architect firms list by country and city is linked on this page.

Which city has the most architect firms?

London leads with 3376 company records, followed by Sao Paulo (2285) and New York (1987).

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 469,857 professional contacts with verified work emails tracked across these 176,235 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.