Insights

Strategic Mergers The recent integration of CRTKL with Arcadis enhances its global reach and sustainable design expertise, presenting opportunities to offer comprehensive architectural and consultancy solutions to large-scale urban development projects.

Market Expansion Partnerships like the one with Mountain View Egypt indicate a focus on expanding into emerging markets, suggesting potential for tailored regional design services and collaboration with local developers.

Sustainability Focus As part of Arcadis, CRTKL's emphasis on sustainable, social, and digital design presents opportunities to pitch eco-friendly and innovative architecture solutions to clients committed to green initiatives and urban resilience.

Growth Opportunities With revenues between 100M and 250M and a relatively mid-sized team, CRTKL is positioned to scale its services and explore partnerships with larger firms or clients seeking high-quality architecture with sustainability credentials.

Competitive Positioning Compared to larger competitors like Gensler, CRTKL’s strategic alliances and focus on complex urban challenges create opportunities to differentiate through specialized, sustainable design offerings tailored to high-profile projects.

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 April 2026, Callison has approximately 331 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Designer: Q. L.President Sole-Propietor: T. C.President: K. V.. 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

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.

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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