Insights

Sustainability Drive CRTKL is now part of Arcadis, positioning the firm to leverage integrated sustainable design, engineering and consultancy capabilities to win large urban development and retrofit projects seeking sustainable and digital design innovation.

Global Scale As part of Arcadis, CRTKL benefits from a combined global footprint and access to major public sector and developer opportunities, including big-ticket contracts with government agencies and transport authorities.

Public Sector Focus Recent Arcadis wins and client activity with Transport for London and government agencies suggest a strong pipeline in transportation, infrastructure, and public projects where CRTKL can cross-sell architecture, planning, and program delivery services.

Tech Adoption The tech stack elements such as Oracle ERP, MongoDB, and digital collaboration tools indicate opportunities to offer integrated data-driven design, BIM/ERP optimization, and digital twin solutions to improve project efficiency and outcomes.

Growth Readiness Revenue in the mid-range of hundreds of millions and the strong alignment with Arcadis’s growth agenda signal readiness for scalable services, with potential upsell in consulting, sustainability metrics, and digital design services to expand project scope.

Similar companies to CallisonRTKL

CallisonRTKL Tech Stack

CallisonRTKL uses 8 technology products and services including Bentley StormCAD, MongoDB, Oracle ERP, and more. Explore CallisonRTKL's tech stack below.

Bentley StormCAD
Cad & Graphics
MongoDB
Database
Oracle ERP
Enterprise
HAProxy
Load Balancers
UNIX Shell
Operating Systems
WhatsApp
Social Sharing
KVM
Virtualisation Software
Max Mega Menu
Widgets

Media & News

CallisonRTKL's Email Address Formats

CallisonRTKL uses at least 4 format(s):

CallisonRTKL Email Formats	Example	Percentage
First.Last@callisonrtkl.com	John.Doe@callisonrtkl.com	88%
FirstLast@callisonrtkl.com	JohnDoe@callisonrtkl.com	5%
LastFirst@callisonrtkl.com	DoeJohn@callisonrtkl.com	3%
First-Last@callisonrtkl.com	John-Doe@callisonrtkl.com	4%
First.Last@crtkl.com	John.Doe@crtkl.com	83%
Last@crtkl.com	Doe@crtkl.com	16%
First.Middle@crtkl.com	John.Michael@crtkl.com	1%
FLast@rtkl.com	JDoe@rtkl.com	97%
First.Last@rtkl.com	John.Doe@rtkl.com	1%
LastFirst@rtkl.com	DoeJohn@rtkl.com	1%
FirLast@rtkl.com	JohDoe@rtkl.com	1%
First.Last@arcadis.com	John.Doe@arcadis.com	96%
First.MiddleLast@arcadis.com	John.MichaelDoe@arcadis.com	2%
First.Middle@arcadis.com	John.Michael@arcadis.com	1%
Last.First@arcadis.com	Doe.John@arcadis.com	1%

Frequently Asked Questions

What is CallisonRTKL's phone number?

You can contact CallisonRTKL's main corporate office by phone at

+1-410-537-****

. 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?

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

How much revenue does CallisonRTKL generate?

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

What is CallisonRTKL's NAICS code?

CallisonRTKL's NAICS code is 54131 - Architectural Services.

How many employees does CallisonRTKL have currently?

As of July 2026, CallisonRTKL has approximately 450 employees across 3 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: C. M.Chief Executive Officer Owner: G. W.Chief Financial Officer And Executive Vice President: A. F.. Explore CallisonRTKL's employee directory with LeadIQ.

What industry does CallisonRTKL belong to?

CallisonRTKL operates in the Architecture and Planning industry.

What technology does CallisonRTKL use?

CallisonRTKL's tech stack includes Bentley StormCADMongoDBOracle ERPHAProxyUNIX ShellWhatsAppKVMMax Mega Menu.

What is CallisonRTKL's email format?

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

CallisonRTKL

Q: What is CallisonRTKL's official website and social media links?

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

Q: How many employees does CallisonRTKL have currently?

CallisonRTKL has approximately 450 employees.

Q: What technology does CallisonRTKL use?

CallisonRTKL's tech stack includes Google Fonts API, Flask, TypeScript, Oracle E-Business Suite, Oracle Fusion.

Q: What is CallisonRTKL's NAICS code?

CallisonRTKL's NAICS code is 54131 (Architectural Services).

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.