> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/boston-ma/architecture-and-planning/ # Architecture Firms in Boston, MA The bigger architecture firms headquartered in Boston, MA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the architecture firms counted in Boston, MA, the biggest by headcount range include Abx Architectureboston Expo, Sasaki and Elkus Manfredi Architects. They are mostly very small: 77% have 50 or fewer employees. ## Which architecture firms are in Boston? Among the companies whose public profile lists Architecture and Planning as their industry and Boston, MA as their headquarters, the biggest by headcount range include Abx Architectureboston Expo, Sasaki, Elkus Manfredi Architects, Mass and Cbt Architects. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Abx Architectureboston Expo | 501 to 1,000 | | Sasaki | 201 to 500 | | Elkus Manfredi Architects | 201 to 500 | | Mass | 51 to 200 | | Cbt Architects | 51 to 200 | | Payette | 51 to 200 | | Shepley Bulfinch | 51 to 200 | | Goody Clancy | 51 to 200 | | Dimella Shaffer | 51 to 200 | | Arrowstreet | 51 to 200 | | Utile | 51 to 200 | | Isgenuity | 51 to 200 | | Tsoi Kobus Design | 51 to 200 | | Fennick Mccredie Architecture | 51 to 200 | | Solite Systems | 51 to 200 | | Cubellis | 51 to 200 | | Feldman Surveyors | 51 to 200 | | Bosnoma | 51 to 200 | | The Cecil Group | 51 to 200 | | Specified Building Products | 51 to 200 | | Existing Conditions | 51 to 200 | | The Collaborative | 11 to 50 | | Icon Architecture | 11 to 50 | | Stoss Landscape Urbanism | 11 to 50 | | Tria Powered By Hfa | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do architecture firms in Boston do? Architecture and Planning is a broad label. The most common NAICS codes among them are 541310 (55%), 444180 (9%) and 541410 (9%). **Figure: What architecture firms in Boston do.** Bars for the share of counted architecture firms with each code: 541310 55%, 444180 9%, 541410 9%, 541490 9%, 541611 9%, 541690 9%. *Share of counted architecture firms in Boston by their NAICS code.* [NAICS 541310](https://enrich.chat/naics/541310/)[NAICS 444180](https://enrich.chat/naics/444180/)[NAICS 541410](https://enrich.chat/naics/541410/) ## How big are they? 77% of the architecture firms counted in Boston have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of architecture firms in Boston.** Seven columns for the share of counted architecture firms in Boston in each employee range: 11 to 50 77%, 51 to 200 20%, 201 to 500 2%, 501 to 1,000 1%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted architecture firms in Boston in each employee range.* ## How old are they? Most were founded in the 2000s (27%), then the 1990s (15%). **Figure: When architecture firms in Boston were founded.** Eight columns for the share of counted architecture firms in Boston founded in each era: Before 1960 7%, 1960s 7%, 1970s 14%, 1980s 14%, 1990s 15%, 2000s 27%, 2010s 12%, 2020s 4%. *Share of counted architecture firms in Boston by the era they were founded in, for the ones that list a founding year.* ## How architecture firms compare - 16% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at architecture firms in Boston? The people to talk to are usually principals and operations leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the architecture firms in Boston, MA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the principals and operations leaders at architecture firms in Boston, MA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in Boston: [Software Companies](https://enrich.chat/companies-in/boston-ma/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/boston-ma/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/boston-ma/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/boston-ma/financial-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/boston-ma/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/boston-ma/business-consulting-and-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/boston-ma/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/boston-ma/advertising-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/boston-ma/non-profit-organizations/)[Biotechnology Companies](https://enrich.chat/companies-in/boston-ma/biotechnology-research/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/boston-ma/staffing-and-recruiting/)[Construction Companies](https://enrich.chat/companies-in/boston-ma/construction/)[Law Firms](https://enrich.chat/companies-in/boston-ma/law-practice/)[Investment Management Firms](https://enrich.chat/companies-in/boston-ma/investment-management/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/boston-ma/venture-capital-and-private-equity-principals/)[Colleges and Universities](https://enrich.chat/companies-in/boston-ma/higher-education/)[Insurance Companies](https://enrich.chat/companies-in/boston-ma/insurance/)[Research Services Firms](https://enrich.chat/companies-in/boston-ma/research-services/)[Legal Services Firms](https://enrich.chat/companies-in/boston-ma/legal-services/)[All of Boston](https://enrich.chat/companies-in/boston-ma/) Architecture Firms in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/architecture-and-planning/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/architecture-and-planning/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/architecture-and-planning/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/architecture-and-planning/)[Seattle, WA](https://enrich.chat/companies-in/seattle-wa/architecture-and-planning/)[Denver, CO](https://enrich.chat/companies-in/denver-co/architecture-and-planning/)[San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/architecture-and-planning/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/architecture-and-planning/)[Philadelphia, PA](https://enrich.chat/companies-in/philadelphia-pa/architecture-and-planning/)[Portland, OR](https://enrich.chat/companies-in/portland-or/architecture-and-planning/) ## Frequently asked questions ### Which are the biggest architecture firms in Boston? Among those counted, they include Abx Architectureboston Expo, Sasaki, Elkus Manfredi Architects, Mass and Cbt Architects, ranked by headcount range. ### How big are architecture firms in Boston? 77% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as architecture and planning? Companies whose public profile lists Architecture and Planning as their industry and whose headquarters are in Boston, MA. ## Try this prompt Find the people at architecture firms in Boston ```text Use www.enrich.chat to find the principals and operations leaders at architecture firms in Boston, MA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in Boston](https://enrich.chat/companies-in/boston-ma/software-development/) - [Real Estate Companies in Boston](https://enrich.chat/companies-in/boston-ma/real-estate/) - [IT Services Companies in Boston](https://enrich.chat/companies-in/boston-ma/it-services-and-it-consulting/) - [Financial Services Companies in Boston](https://enrich.chat/companies-in/boston-ma/financial-services/) - [Architecture Firms in New York](https://enrich.chat/companies-in/new-york-ny/architecture-and-planning/) - [Architecture Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/architecture-and-planning/) - [Architecture Firms in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/architecture-and-planning/) - [Architecture Firms in Chicago](https://enrich.chat/companies-in/chicago-il/architecture-and-planning/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)