Company lists · Data refreshed September 2026

Top 25 Social impact design firms based in the United States

Name: Social impact design firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 2,502 companies tracked

RevenueBase identified 2,502 social impact design firms headquartered in the United States as of September 2026 and tracks 39,211 professional contacts across them, including 17,375 with verified work emails. New York is the largest hub.

This list covers social impact design firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

2,502Companies

39,211Contacts tracked

17,375Verified emails

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The 25 largest social impact design firms based in the United States

Ranked by team size

Top 25 of 2,502 social impact design firms based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to social impact design firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Smithgroup	Partial evidence	Detroit, MI, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,849 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
2	Cannondesign	Strong evidence	New York, NY, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,660 contacts →
	Strong evidence “CannonDesign is a different kind of design firm, where architecture, strategy, experience, innovation and social good converge to create meaningful impact.” Source: RevenueBase Database · checked Sep 22, 2026
3	HGA	Strong evidence	Minneapolis, MN, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,543 contacts →
	Strong evidence “HGA is a national interdisciplinary design firm committed to making a positive, lasting impact for our clients and communities through research-based, holistic solutions.” Source: RevenueBase Database · checked Sep 22, 2026
4	Perkins Eastman	Partial evidence	New York, NY, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,083 contacts →
	Partial evidence “Perkins Eastman is a global design practice founded on the belief that design has the power to enhance people’s lives and safeguard the environment.” Source: RevenueBase Database · checked Sep 22, 2026
5	KPF	Strong evidence	New York, NY, United StatesHQ checked Sep 22, 2026	501-1,000	970 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
6	Smart Design	Partial evidence	Brooklyn, United StatesHQ checked Sep 22, 2026	n/a	814 contacts →
	Partial evidence “Smart Design is a strategic design company that helps people live better and work smarter.” Source: RevenueBase Database · checked Sep 22, 2026
7	Nbbj Design	Partial evidence	Seattle, WA, United StatesHQ checked Sep 22, 2026	501-1,000	808 contacts →
	Partial evidence “NBBJ is an ideas-driven architecture and design firm dedicated to creating connected communities, healthier buildings and a more resilient environment.” Source: RevenueBase Database · checked Sep 22, 2026
8	Lpa, INC	Partial evidence	Irvine, CA, United StatesHQ checked Sep 22, 2026	501-1,000	728 contacts →
	Partial evidence “Since LPA was founded in 1965, it's been our mission to deliver timeless, sustainable designs that benefit the environment, generate lasting value, enrich the human experience and…” Source: RevenueBase Database · checked Sep 22, 2026
9	MIG	Partial evidence	Berkeley, CA, United StatesHQ checked Sep 22, 2026	201-500	616 contacts →
	Partial evidence “Since it was founded in 1982, MIG has focused on planning, designing and sustaining environments that support human development.” Source: RevenueBase Database · checked Sep 22, 2026
10	CPL	Indirect evidence	Fairport, NY, United StatesHQ checked Sep 22, 2026	501-1,000	574 contacts →
	Indirect evidence “Extraordinary projects are made from extraordinary relationships.” Source: RevenueBase Database · checked Sep 22, 2026
11	KTGY	Partial evidence	Irvine, CA, United StatesHQ checked Sep 22, 2026	201-500	461 contacts →
	Partial evidence “Design Lives at KTGY.” Source: RevenueBase Database · checked Sep 22, 2026
12	Design Workshop	Partial evidence	Denver, CO, United StatesHQ checked Sep 22, 2026	51-200	418 contacts →
	Partial evidence “Design Workshop is a 100% employee-owned international design studio spanning the fields of landscape architecture, urban design, planning, economics, environmental graphic…” Source: RevenueBase Database · checked Sep 22, 2026
13	Studio Gang	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	398 contacts →
	Partial evidence “Founded and led by Jeanne Gang, Studio Gang is an architecture and urban design practice headquartered in Chicago with offices in New York, San Francisco, and Paris.” Source: RevenueBase Database · checked Sep 22, 2026
14	Moody Nolan	Partial evidence	Columbus, OH, United StatesHQ checked Sep 22, 2026	201-500	324 contacts →
	Partial evidence “At Moody Nolan, we practice responsive design-pairing empathetic listening with innovative thinking-to find harmony between client, community, and environment.” Source: RevenueBase Database · checked Sep 22, 2026
15	Csrs, A Westwood Company	Indirect evidence	Baton Rouge, LA, United StatesHQ checked Sep 22, 2026	51-200	305 contacts →
	Indirect evidence “CSRS was acquired by Westwood Professional Services on June 30, 2025.” Source: RevenueBase Database · checked Sep 22, 2026
16	RDG Planning & Design	Partial evidence	Des Moines, IA, United StatesHQ checked Sep 22, 2026	201-500	300 contacts →
	Partial evidence “We're a nationally recognized, relationship-focused interdisciplinary design and planning firm.” Source: RevenueBase Database · checked Sep 22, 2026
17	VLK	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 22, 2026	201-500	297 contacts →
	Partial evidence “VLK designs exemplary environments, innovative structures, and sustainable communities for tomorrow.” Source: RevenueBase Database · checked Sep 22, 2026
18	Mithun	Partial evidence	Seattle, WA, United StatesHQ checked Sep 22, 2026	51-200	287 contacts →
	Partial evidence “Mithun is an integrated design firm dedicated to creating positive change in people’s lives.” Source: RevenueBase Database · checked Sep 22, 2026
19	TCC Group	Partial evidence	New York, NY, United StatesHQ checked Sep 22, 2026	n/a	232 contacts →
	Partial evidence “TCC Group collaborates with leaders to solve complex social problems.” Source: RevenueBase Database · checked Sep 22, 2026
20	POVIO	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 22, 2026	201-500	231 contacts →
	Strong evidence “Povio is a San Francisco based design and development company building digital products that create a positive impact.” Source: RevenueBase Database · checked Sep 22, 2026
21	Model Of Architecture Serving Society Mass	Indirect evidence	Boston, MA, United StatesHQ checked Sep 22, 2026	51-200	219 contacts →
	Indirect evidence “A just and beautiful future is ours to create.” Source: RevenueBase Database · checked Sep 22, 2026
22	Handel Architects	Indirect evidence	New York, NY, United StatesHQ checked Sep 22, 2026	51-200	211 contacts →
	Indirect evidence “Handel Architects is a global practice focused on urban issues centered around density, sustainability, and the creation of vital urban environments.” Source: RevenueBase Database · checked Sep 22, 2026
23	Streetsense	Indirect evidence	Washington, DC, United StatesHQ checked Sep 22, 2026	51-200	205 contacts →
	Indirect evidence “Streetsense is a global creative collective of placeshapers, brandbuilders, and storytellers.” Source: RevenueBase Database · checked Sep 22, 2026
24	Ayers Saint Gross	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 22, 2026	51-200	202 contacts →
	Partial evidence “Ayers Saint Gross is an interdisciplinary design firm of architects, planners, landscape architects, interior designers, graphic designers, and space analysts.” Source: RevenueBase Database · checked Sep 22, 2026
25	G&a Strategy And Design	Partial evidence	New York, NY, United StatesHQ checked Sep 22, 2026	51-200	198 contacts →
	Partial evidence “Internationally recognized as a design leader, G&A is on a pioneering mission to synthesize the physical and digital worlds in a way no other firm can.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: social impact design firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names social impact design firms.
Partial evidence: Its own public description names part of social impact design firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name social impact design firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,502 social impact design firms based in the United States

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Social impact design firms based in the United States at a glance

As of Sep 22, 2026

44.3%Verified-email coverage

15.7Average contacts per company

1-10Median size (employees)

10.4%Largest-city concentration · New York

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

1,906

11-50

473

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,502 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among social impact design firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “social impact design firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names social impact design firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among social impact design firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 17,375 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Social impact design firms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names social impact design firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many social impact design firms are there based in the United States?

RevenueBase identified 2,502 social impact design firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Smithgroup, headquartered in Detroit, tops this list with the largest team on record.

Which city has the most social impact design firms?

New York leads with 261 headquartered companies, followed by Los Angeles (129) and San Francisco (119).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 17,375 verified decision-maker contacts tracked across these 2,502 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.