Insights

Sustainability Advantage CallisonRTKL is now part of Arcadis, a global leader in sustainable design and consultancy, presenting a strong narrative for selling integrated sustainable architecture and urban design solutions to clients seeking environmental performance and resilience.

Scale and Reach As part of Arcadis, CRTKL gains access to a broader marketplace and large-project opportunities across natural and built assets, enabling cross-sell of architecture, engineering, and digital design services to developers, institutions, and public entities.

Tech-Driven Delivery The firm’s tech stack includes Adobe Creative Cloud, MongoDB, Infor, Sentry, Airtable, Microsoft Teams and Zoom, signaling readiness to engage with data-driven design processes and collaborative platforms to improve project efficiency and client outcomes.

Strategic Collaborations Recent Arcadis partnerships in desalination, water security and AI tooling indicate opportunities to position CRTKL on large-scale infrastructure and innovation-led projects with public-sector and utility partners.

Financial Positioning With revenue in the mid-range of the architecture market and a high-profile affiliation with Arcadis, there is potential to upsell scalable design services, digital implementation, and lifecycle management to clients pursuing long-term, integrated asset solutions.

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CallisonRTKL Tech Stack

CallisonRTKL uses 8 technology products and services including Adobe Creative Cloud, MongoDB, Microsoft Intune, and more. Explore CallisonRTKL's tech stack below.

Media & News

CallisonRTKL's Email Address Formats

CallisonRTKL uses at least 15 email formats:
CallisonRTKL Email FormatsExamplePercentage
First.Last@crtkl.comJohn.Doe@crtkl.com
83%
Last@crtkl.comDoe@crtkl.com
16%
First.Middle@crtkl.comJohn.Michael@crtkl.com
1%
First.Last@callisonrtkl.comJohn.Doe@callisonrtkl.com
88%
FirstLast@callisonrtkl.comJohnDoe@callisonrtkl.com
5%
LastFirst@callisonrtkl.comDoeJohn@callisonrtkl.com
3%
First-Last@callisonrtkl.comJohn-Doe@callisonrtkl.com
4%
FLast@rtkl.comJDoe@rtkl.com
97%
First.Last@rtkl.comJohn.Doe@rtkl.com
1%
LastFirst@rtkl.comDoeJohn@rtkl.com
1%
FirLast@rtkl.comJohDoe@rtkl.com
1%
First.Last@arcadis.comJohn.Doe@arcadis.com
96%
First.MiddleLast@arcadis.comJohn.MichaelDoe@arcadis.com
2%
First.Middle@arcadis.comJohn.Michael@arcadis.com
1%
Last.First@arcadis.comDoe.John@arcadis.com
1%

Frequently Asked Questions

What is CallisonRTKL's phone number?

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You can contact CallisonRTKL'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 CallisonRTKL's official website and social media links?

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CallisonRTKL's official website is arcadis.com and has social profiles on LinkedIn.

How much revenue does CallisonRTKL generate?

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As of October 2026, CallisonRTKL's annual revenue is estimated to be $250M - $500M.

What is CallisonRTKL's NAICS code?

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CallisonRTKL's NAICS code is 54131 - Architectural Services.

How many employees does CallisonRTKL have currently?

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As of October 2026, CallisonRTKL has approximately 439 employees across 3 continents, including North America, Europe and Asia. Key team members include Chief Executive Officer: C. M., Chief Executive Officer Owner: G. W. and Chief Financial Officer And Executive Vice President: A. F. Explore CallisonRTKL's employee directory with LeadIQ.

What industry does CallisonRTKL belong to?

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CallisonRTKL operates in the Architecture and Planning industry.

What technology does CallisonRTKL use?

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CallisonRTKL's tech stack includes Adobe Creative Cloud, MongoDB, Microsoft Intune, Infor, Sentry, Airtable, Microsoft Teams and Zoom.

What is CallisonRTKL's email format?

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CallisonRTKL's email format typically follows the pattern of First.Last@crtkl.com. Find more CallisonRTKL email formats with LeadIQ.
CallisonRTKL logo

CallisonRTKL

Architecture and PlanningNorth Holland, Netherlands201-500 Employees

CallisonRTKL is an architecture and planning practice based in Amsterdam, North Holland. It has joined Arcadis, creating one of the world's largest architecture practices. The combined organization emphasizes sustainable design, social impact, and digital innovation across natural and built environments.

Its client base includes developers, retailers, investors, institutions, and public entities. The arrangement positions the firm to address complex urban challenges and help shape the cities and communities of tomorrow. The integration follows Arcadis’ broader expansion in Northern Europe, including a recent increase in its Manchester presence.

Section iconCompany Overview

Phone number
NAICS Code
54131 - Architectural Services
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    CallisonRTKL's revenue is estimated to be in the range of $250M - $500M

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