Callison: Detailed Company Information & Corporate Profile
Summary
Callison, established in 1975 and headquartered in Seattle, WA, operates as a subsidiary that focuses on construction design. Its multidisciplinary services span architecture, planning, interior design, graphic design, branding, and real‑estate strategy.
The firm employs between 1,000 and 5,000 professionals and reports annual revenue ranging from $100 million to $500 million. Callison’s activities fall under SIC code 6500 and serve the Seattle Metropolitan Area (DMA).
Leadership includes Tyson Ebert as Project Manager & Technical Coordinator, Pat Ly as Associate Vice President – Senior Project Architect, Matthew Flickinger in project management, Rashne Shroff and Clark Anderson as directors, and architects Jim Hinkle AIA, Pei Liu, Mireya Arreola, among others. Interior design talent is led by Kate Delia.
| Callison Website | callison.com |
| Social Links |    |
| Phone Number | 1-206-623-4646 |
| Industries | |
| Callison Headquarters Address | Suite 2400, Seattle, WA, 98101-2343 US |
| Company Size | 1000-5000 employees |
| Specialities & Services | Architecture, Planning, Interior Design, Graphic Design, Branding, Real Estate Strategy |
| SIC Code | 6500 |
| DMA Code | Seattle Metropolitan Area |
| Founded | 1975 |
| Estimated Annual Revenue | $100M - 500M |
| Operating Status | Subsidiary |
| Updated: | 2026-10-05 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2004 | Privately Held | 100 - 250 | |
| 1938 | Privately Held | 25 - 100 | |
| 1955 | Privately Held | 1.0K - 5.0K | |
| 1975 | - | 100-200 |
Subsidiaries and Affiliated Companies
Workforce Turnover
Length of Employment
Callison's workforce includes employees across a wide range of tenure levels.
2% have been with the company for 5 to 7 years3% have been with the company for 8 to 10 years95% have been with the company for more than 11 years
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Callison Corporate Information: FAQ
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