Insights

Sustainability Leadership Callison, now part of CRTKL and aligned with Arcadis, demonstrates a strong commitment to sustainable design and urban development, presenting opportunities for clients seeking eco-friendly and socially responsible architecture solutions.

Global Scale & Expertise With a combined workforce exceeding 5,000 employees and a revenue range up to 1 billion dollars, Callison benefits from extensive resources and expertise, enabling tailored architectural services for large-scale projects across various sectors.

Strategic Market Positioning As a prominent firm within the competitive architecture industry, Callison’s association with industry leaders like Gensler and TPG Architecture indicates potential for collaboration and cross-selling opportunities in high-value, complex urban projects.

Innovation & Technology Utilization The company’s emphasis on digital and social design innovation suggests opportunities to offer cutting-edge architectural solutions that leverage the latest design technologies and sustainable practices.

Diverse Client Base Callison’s experience serving developers, retailers, investors, institutions, and public entities positions it well to target a broad spectrum of industries requiring comprehensive planning and design services, facilitating potential cross-sector sales approaches.

Callison Tech Stack

Media & News

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 Suite 2400, Seattle, WA 98101-2343, US. 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.

How much revenue does Callison generate?

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As of September 2025, Callison's annual revenue reached $750M.

What is Callison's NAICS code?

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Callison's NAICS code is 54131 - Architectural Services.

How many employees does Callison have currently?

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As of September 2025, Callison has approximately 1K employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Designer: Q. L.Vice President And Ny Office Lead: D. A.President Sole-Propietor: T. 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 . Find more Callison email formats with LeadIQ.

When was Callison founded?

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Callison was founded in 1975.
Callison

Callison

Architecture and PlanningUnited States1001-5000 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
Suite 2400, Seattle, WA 98101-2343, US
Phone number
NAICS Code
54131 - Architectural Services
Founded
1975
Employees
1001-5000

Section iconMedia & News

Section iconFunding & Financials

  • $100M$1B

    Callison's revenue is in the range of $100M$1B

Section iconFunding & Financials

  • $100M$1B

    Callison's revenue is in the range of $100M$1B

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