
PR Firms & Communications Agencies
The Best PR Firms in San Diego — 2026
The leading public relations agencies in San Diego — organized by specialty, covering biotech, defense, technology, tourism, and consumer PR. Updated 2026.

The leading public relations agencies in San Diego — organized by specialty, covering biotech, defense, technology, tourism, and consumer PR. Updated 2026.

Sam Brown Inc. is a leading independent healthcare communications agency founded 1999 by Laura Liotta. Acquired by Blue Matter, a life sciences consulting firm, in September 2024. Liotta continues as Founder and President. 50+ professionals, 40+ active clients. Specialty: biotech, biopharma, life sciences.