CRTKL has now joined Arcadis, a global leader in the delivery of sustainable design, engineering and consultancy solutions for natural and built assets. Together, the combined strength of CRTKL and Arcadis creates one of the largest architecture practices in the world, offering the best of sustainable, social, and digital design innovation. We are more committed than ever to solving some of the world’s most complex urban challenges and helping to shape the cities and communities of tomorrow. Over the last 75 years, we have created some of the world’s most memorable and successful environments for developers, retailers, investors, institutions, and public entities as CRTKL and we will take forward this legacy together with Arcadis.
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The Callison annual revenue was $23.9 million in 2026.
Pat Young is the Associate Vice President - Senior Project Architect of Callison.
172 people are employed at Callison.
Callison is based in Seattle, Washington.
The NAICS codes for Callison are [5413, 54, 541, 54131].
The SIC codes for Callison are [87, 871].