Insights

Sustainable Leadership Leverage the Arcadis-CRTKL global platform to win large-scale sustainable urban projects and cross-sell engineering, advisory, and design services through joint proposals with Arcadis.

Regional Growth Building on the Mountain View Egypt partnership, target Middle East and Africa markets with local partnerships and the Arcadis network for regulatory navigation and multi-site master-planning opportunities.

Diverse Clientele Proven work with developers, retailers, investors, institutions, and public entities; tailor solutions and pursue multi-project programs across retail, education, healthcare, and urban development.

Delivery Capacity Mid-sized firm with the capacity to manage concurrent projects; focus on program management and design-delivery services to clients seeking consistency across locations and long-term master plans.

Digital Innovation Position as a leader in sustainable and digital design; explore upsell of BIM/VDC, performance analytics, and data-driven design, coordinating with Arcadis to deliver integrated architecture–engineering–consulting delivery.

Callison Tech Stack

Callison's Email Address Formats

Callison uses at least 1 format(s):
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

Where is Callison's headquarters located?

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Callison's main headquarters is located at Seattle, Washington 98101 United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

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.

What is Callison's SIC code NAICS code?

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

How many employees does Callison have currently?

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As of June 2026, Callison has approximately 331 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Designer: Q. L.President: K. V.Founder: R. C.. 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

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

Headquarters
Seattle, Washington 98101 United States
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

Section iconFunding & Financials

  • $100M$250M

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

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