> 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/san-francisco-ca/architecture-and-planning/ # Architecture Firms in San Francisco, CA The bigger architecture firms headquartered in San Francisco, CA, 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 San Francisco, CA, the biggest by headcount range include Gensler, Studios Architecture and 10sb. They are mostly very small: 83% have 50 or fewer employees. ## Which architecture firms are in San Francisco? Among the companies whose public profile lists Architecture and Planning as their industry and San Francisco, CA as their headquarters, the biggest by headcount range include Gensler, Studios Architecture, 10sb, Archicgi and Slantis. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Gensler | 5,001 to 10,000 | | Studios Architecture | 201 to 500 | | 10sb | 201 to 500 | | Archicgi | 201 to 500 | | Slantis | 51 to 200 | | Hart Howerton | 51 to 200 | | Kmd Architects | 51 to 200 | | Wrns Studio | 51 to 200 | | Nelson Nygaard Consulting Associates | 51 to 200 | | Ehdd | 51 to 200 | | Elogictech Solutions | 51 to 200 | | Bar Architects & Interiors | 51 to 200 | | Rmw Architecture & Interiors | 51 to 200 | | Huntsman Architectural Group | 51 to 200 | | Walker Warner | 51 to 200 | | Codesign | 51 to 200 | | Mwa Architects | 51 to 200 | | Bde Architecture | 51 to 200 | | Mark Cavagnero Associates | 51 to 200 | | Salter | 51 to 200 | | Axis Architecture Design | 51 to 200 | | Tmda Now Perkins&will | 51 to 200 | | Keen Engineering | 51 to 200 | | Holt Hinshaw Architects | 51 to 200 | | Deeproot Green Infrastructure | 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 San Francisco do? Architecture and Planning is a broad label. The most common NAICS codes among them are 541310 (52%), 541320 (10%) and 541490 (7%). **Figure: What architecture firms in San Francisco do.** Bars for the share of counted architecture firms with each code: 541310 52%, 541320 10%, 541490 7%, 541618 7%, 458310 3%, 531190 3%, 541410 3%. *Share of counted architecture firms in San Francisco by their NAICS code.* [NAICS 541310](https://enrich.chat/naics/541310/)[NAICS 541320](https://enrich.chat/naics/541320/)[NAICS 458310](https://enrich.chat/naics/458310/)[NAICS 541410](https://enrich.chat/naics/541410/) ## How big are they? 83% of the architecture firms counted in San Francisco 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 San Francisco.** Seven columns for the share of counted architecture firms in San Francisco in each employee range: 11 to 50 83%, 51 to 200 14%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 1%, 10,001+ 0%. *Share of counted architecture firms in San Francisco in each employee range.* ## How old are they? Most were founded in the 1980s (23%), then the 1990s (21%). **Figure: When architecture firms in San Francisco were founded.** Eight columns for the share of counted architecture firms in San Francisco founded in each era: Before 1960 4%, 1960s 7%, 1970s 5%, 1980s 23%, 1990s 21%, 2000s 21%, 2010s 16%, 2020s 2%. *Share of counted architecture firms in San Francisco by the era they were founded in, for the ones that list a founding year.* ## How architecture firms compare - 83% of architecture firms in San Francisco have 50 or fewer employees, against 71% across other cities on this site. - 18% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at architecture firms in San Francisco? 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 San Francisco, CA ``` ### 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 San Francisco, CA, 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 San Francisco: [Software Companies](https://enrich.chat/companies-in/san-francisco-ca/software-development/)[Technology and Internet Companies](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/)[IT Services Companies](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/san-francisco-ca/financial-services/)[Advertising Agencies](https://enrich.chat/companies-in/san-francisco-ca/advertising-services/)[Real Estate Companies](https://enrich.chat/companies-in/san-francisco-ca/real-estate/)[Construction Companies](https://enrich.chat/companies-in/san-francisco-ca/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/san-francisco-ca/hospitals-and-health-care/)[Consulting Firms](https://enrich.chat/companies-in/san-francisco-ca/business-consulting-and-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/san-francisco-ca/non-profit-organizations/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/san-francisco-ca/venture-capital-and-private-equity-principals/)[Design Firms](https://enrich.chat/companies-in/san-francisco-ca/design-services/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/san-francisco-ca/staffing-and-recruiting/)[Law Firms](https://enrich.chat/companies-in/san-francisco-ca/law-practice/)[Cybersecurity Companies](https://enrich.chat/companies-in/san-francisco-ca/computer-and-network-security/)[Biotechnology Companies](https://enrich.chat/companies-in/san-francisco-ca/biotechnology-research/)[Colleges and Universities](https://enrich.chat/companies-in/san-francisco-ca/higher-education/)[Education Organizations](https://enrich.chat/companies-in/san-francisco-ca/education-administration-programs/)[Legal Services Firms](https://enrich.chat/companies-in/san-francisco-ca/legal-services/)[All of San Francisco](https://enrich.chat/companies-in/san-francisco-ca/) 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/)[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/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/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 San Francisco? Among those counted, they include Gensler, Studios Architecture, 10sb, Archicgi and Slantis, ranked by headcount range. ### How big are architecture firms in San Francisco? 83% 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 San Francisco, CA. ## Try this prompt Find the people at architecture firms in San Francisco ```text Use www.enrich.chat to find the principals and operations leaders at architecture firms in San Francisco, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/software-development/) - [Technology and Internet Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/) - [IT Services Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/it-services-and-it-consulting/) - [Financial Services Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/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 Chicago](https://enrich.chat/companies-in/chicago-il/architecture-and-planning/) - [Architecture Firms in Seattle](https://enrich.chat/companies-in/seattle-wa/architecture-and-planning/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)