Insights

Strong Industry Position Callison, now part of CRTKL under Arcadis, is positioned among the leading architecture and planning firms with a focus on sustainable and innovative design solutions, making it a potential partner for clients seeking high-quality, eco-conscious urban development.

Market Expansion Potential With a substantial workforce exceeding 1,000 employees and a revenue range of up to 250 million dollars, Callison has the capacity to scale projects and serve large-scale clients across diverse sectors such as retail, public entities, and institutional developments.

Sustainability Focus The company's integration with Arcadis emphasizes a commitment to sustainable design and environmental solutions, creating opportunities to target clients with sustainability mandates or green building initiatives.

Competitive Edge As part of one of the largest global architecture practices, Callison offers a combination of social, digital, and sustainable design innovation, providing a compelling value proposition for clients looking for integrated and forward-thinking architectural services.

Growth through Collaboration The recent merger with Arcadis creates potential sales opportunities by leveraging combined expertise to pursue complex urban projects, infrastructure developments, and community-focused spaces appealing to government, developers, and investors.

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

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 December 2025, Callison's annual revenue is estimated to be $480K.

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 December 2025, Callison has approximately 1K 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 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

Phone number
NAICS Code
54131 - Architectural Services
Founded
1975
Employees
1001-5000

Section iconMedia & News

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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