Company lists · Data refreshed November 2026

Top 25 Architectural planning firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 70,822 companies tracked

RevenueBase identified 70,822 company matches for architectural planning firms worldwide as of November 2026 and tracks 577,330 professional contacts across them, including 175,978 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for architectural planning 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 architectural planning 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

70,822Companies

577,330Contacts tracked

175,978Verified emails

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The 25 largest architectural planning firms worldwide

Ranked by team size

Top 25 of 70,822 company matches for architectural planning 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	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
2	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
3	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
4	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
5	Clayco	Exact match	Chicago, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,903 contacts →
	Exact match “Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	IA Interior Architects	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,722 contacts →
	Exact match “Celebrating 40 years of visionary design and innovation, IA Interior Architects is the first global architecture firm focused exclusively on interiors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	BIG	Exact match	Brooklyn, United StatesHQ recorded Nov 6, 2026	501-1,000	1,680 contacts →
	Exact match “BIG is a Copenhagen, New York, London, Barcelona, Shanghai, Los Angeles, Zurich, and Bhutan-based global architecture firm operating within the fields of architecture, urbanism…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	IBI Group	Exact match	Amsterdam, FL, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,582 contacts →
	Exact match “IBI Group is a technology-driven design firm with global architecture, engineering, planning and technology expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	DAR Engineering	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,564 contacts →
	Exact match “DAR Engineering is a leading multidisciplinary consultancy firm providing design, architecture, engineering, project management, construction management and planning services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Corgan	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,490 contacts →
	Exact match “Corgan is an employee-owned architecture and design firm with 22 locations and more than 1,300 team members globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	PAGE	Exact match	Washington, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,456 contacts →
	Exact match “Performance by Design.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Bohler	Exact match	Herndon, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,239 contacts →
	Exact match “Bohler is a land development consulting and technical design firm that helps developers, owners and other real estate professionals identify and act on opportunities and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Morshedy Group	Exact match	Kattameya, EgyptHQ recorded Nov 6, 2026	5,001-10,000	1,161 contacts →
	Exact match “Since our foundation in 1983, Morshedy Group has been in the right place at the right time.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Asplan Viak AS	Exact match	Sandvika, NorwayHQ recorded Nov 6, 2026	1,001-5,000	1,123 contacts →
	Exact match “Asplan Viak er et av Norges ledende rådgivnings-selskaper innen plan, arkitektur- og ingeniørfag.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	KPF	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	1,091 contacts →
	Exact match “KPF is dedicated to transforming cities through impactful design, collaborating closely with the world’s most forward-thinking clients to create high performing, carefully crafted…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Square Engineering Firm	Exact match	Giza, EgyptHQ recorded Nov 6, 2026	1,001-5,000	1,089 contacts →
	Exact match “Square (S.A.E) is an Egyptian joint-stock company founded in 1992.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Dialog	Exact match	Calgary, CA, CanadaHQ recorded Nov 6, 2026	501-1,000	1,084 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Ware Malcomb	Exact match	International Design Firm, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,057 contacts →
	Exact match “Established in 1972, Ware Malcomb is a dynamic, forward-thinking design firm offering streamlined architecture, interior design, branding, and engineering services across the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Dewan Architects & Engineers	Exact match	Baghdad, United Arab EmiratesHQ recorded Nov 6, 2026	501-1,000	1,000 contacts →
	Exact match “Dewan Architects + Engineers is a global, multidisciplinary design consultancy firm founded in 1984 in Abu Dhabi, UAE.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	NORR	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	994 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
21	Pace Architecture, Engineering Planning	Exact match	Ahmed Al Jaber Street, KuwaitHQ recorded Nov 6, 2026	501-1,000	960 contacts →
	Exact match “Pace is a leading multidisciplinary consultancy firm providing architecture, engineering and planning services to a wide range of public and private sector clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Hassell	Exact match	Melbourne, United StatesHQ recorded Nov 6, 2026	501-1,000	865 contacts →
	Exact match “We are a leading international design practice with studios in Asia, Australia, the United Kingdom and the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	B H Architects	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	201-500	850 contacts →
	Exact match “B+H Architects is a global, award-winning firm with a 70+ year legacy of building creative solutions for clients through the delivery of architecture, interior design, landscape…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	GPD Group	Exact match	Akron, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	815 contacts →
	Exact match “Founded in 1961, GPD Group (GPD) has grown from only a handful of people to over 870 professionals in 14 offices located in Akron, Atlanta, Cleveland, Columbus, Dallas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Skets Studio	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	1,001-5,000	815 contacts →
	Exact match “Est.” 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 “architectural planning 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 70,822 architectural planning firms worldwide

See the full list, filter by size, metro and specialty, and access 175,978 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Architectural planning firms worldwide at a glance

As of Nov 6, 2026

30.5%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

48,327

11-50

17,541

51-200

3,051

201-500

566

501-1,000

125

1,001-5,000

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 architectural planning firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “architectural planning 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 175,978 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.

Architectural planning firms by location

312 lists · largest first

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

How many architectural planning firms are there worldwide?

RevenueBase identified 70,822 company matches for architectural planning 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?

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

Which country has the most architectural planning firms?

The United States leads with 13,114 companies, followed by India (5,342) and Brazil (3,901). Every architectural planning firms list by country and city is linked on this page.

Which city has the most architectural planning firms?

London leads with 1000 company records, followed by Sao Paulo (957) and New York (792).

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 175,978 professional contacts with verified work emails tracked across these 70,822 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.