Insights

Strategic Alliance CRTKL has joined Arcadis, creating one of the largest architecture practices with a strong sustainability, social, and digital design focus. This signals an expanded capability set and a higher propensity to pursue large-scale urban development and complex projects that require integrated design, engineering, and consultancy.

Global Scale Partnership with Arcadis positions Callison for cross-border opportunities and access to Arcadis’ global client base, enabling cross-selling of services to developers, institutions, and public entities seeking sustainable, scalable design solutions.

Financial Footprint Current revenue range of 100M to 250M and a mid-sized employee base suggest opportunities to upsell bigger, multi-region projects or long-term design and planning engagements with larger firms or public sector clients transitioning to sustainable design programs.

Recent Momentum Recent collaboration news such as Mountain View Egypt partnership indicates active pursuit of new regional projects and markets, implying openness to partnerships, proposals, and joint ventures in growth geographies.

Competitive Positioning Operating in a space with peers like Gensler and Fitch, Callison can leverage Arcadis’ sustainability and digital design strengths to differentiate in high-end urban planning, retail environments, and mixed-use developments, targeting clients prioritizing integrated, responsible design.

Similar companies to Callison

Callison's Email Address Formats

Callison uses at least 4 email formats:
Callison Email FormatsExamplePercentage
First.Last@callison.comJohn.Doe@callison.com
84%
FLast@callison.comJDoe@callison.com
14%
First.Middle@callison.comJohn.Michael@callison.com
1%
First-Last@callison.comJohn-Doe@callison.com
1%

Frequently Asked Questions

What is Callison's phone number?

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You can contact Callison's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Callison's official website and social media links?

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Callison's official website is callison.com and has social profiles on LinkedIn.

How much revenue does Callison generate?

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As of August 2026, Callison's annual revenue is estimated to be $100M - $250M.

What is Callison's SIC code and NAICS code?

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Callison's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 54131 - Architectural Services.

How many employees does Callison have currently?

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As of August 2026, Callison has approximately 331 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Designer: Q. L., Owner: D. C. and Associate Vice President, Senior Project Manager: M. H. 何. Explore Callison's employee directory with LeadIQ.

What industry does Callison belong to?

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Callison operates in the Architecture and Planning industry.

What is Callison's email format?

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Callison's email format typically follows the pattern of First.Last@callison.com. Find more Callison email formats with LeadIQ.

When was Callison founded?

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Callison was founded in 1975.
Callison logo

Callison

Architecture and PlanningWashington, United States201-500 Employees

Callison is a mid-sized architecture and planning firm based in Seattle, Washington. It operates within the architecture and planning industry and employs several hundred staff. The company maintains a website at callison.com for information about its work and services.
In September 2024, Mountain View Egypt partnered with Callison and DH to advance a project, illustrating ongoing international collaboration. This development signals the firm’s involvement in cross-border design initiatives.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54131 - Architectural Services
Founded
1975
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    Callison's revenue is estimated to be in the range of $100M - $250M

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