Boutique firm Castor Henig Architecture is a small architecture and planning practice in San Francisco with a lean team, suggesting an opportunity to provide scalable services, project management, and high-touch client support tailored to boutique firms seeking flexible, cost-conscious collaborations.

Local market Based at 539 Bryant St in San Francisco, the firm likely serves local and regional clients, presenting a sales angle around proximity-based engagements, timely response, and familiarity with local code, permitting processes, and market dynamics.

Tech stack The use of WordPress, JSON-LD, Google Maps, and other web technologies indicates digital marketing and online presence maturity; potential to upsell advanced digital services, BIM coordination, visualization tools, or content strategy to boost visibility and client engagement.

Revenue band With annual revenue under $1 million, there is clear potential for scalable service bundles, retainer-based advisory, or partnerships for larger projects through introductions to larger firms in the same ecosystem or collaboration with multidisciplinary firms.

Competitive landscape Operating in a field with large AEC players and mid-sized firms, there is an opportunity to position as a nimble, client-centric option for specialized projects, heritage/renovation, or rapid design sprints that complement bigger firms’ capabilities.