CallisonRTKL: Detailed Company Information & Corporate Profile

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Summary

CallisonRTKL is a private company that has been in the industry for 80 years. The company currently specializes in the Architecture & Planning, Architectural Design areas. The position of the President & CEO is occupied by Kim Heartwell. Its headquarters is located at Baltimore, Maryland, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of CallisonRTKL varies between 100M and 500M. To connect with CallisonRTKL employee register on SignalHire.

CallisonRTKL Websitearcadis.com
Social Links
twitterfacebooklinkedIn
Phone Number1-410-537-6000
Industries
CallisonRTKL Headquarters addressAmsterdam, NL
Company Size1000-5000 employees
Specialtiesarchitecture, design, interior design
SIC Code8700
DMA CodeBaltimore Metropolitan Area
Founded1946
Estimated Annual Revenue$100M - 500M
Operating StatusSubsidiary

Competitors

Name
Founded
Type
Employees
Revenue
Funding
1935Partnership 25 - 100 17.5M $1M
1990Public
Company
50K - 100K 13.6B $1B
1953Privately
Held
500 - 1.0K 149M $150K
1935Privately
Held
1.0K - 5.0K 670M $33.5M

Subsidiaries and Affiliated Companies

Estimated Website Traffic

The chart shows a decline in traffic to the arcadis.com website. In April, traffic decreased to 291222, compared to 331843 in the previous month. The highest traffic in 2026 was recorded in February, reaching 338567 visits.

Workforce Turnover

Number of staff members switched

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Corporate Tenure Analytics

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CallisonRTKL's workforce includes employees across a wide range of tenure levels.

1% have been with the company for less than 1 year2% have been with the company for 1 to 2 years11% have been with the company for 3 to 4 years20% have been with the company for 5 to 7 years21% have been with the company for 8 to 10 years45% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from CallisonRTKL

CallisonRTKL Corporate Information: FAQ

CallisonRTKL operates in the Construction Design industries. More details can be found on the official website: arcadis.com.
The headquarters of CallisonRTKL are located in Amsterdam, Netherlands.
The current CEO of CallisonRTKL is Kim Heartwell
You can contact CallisonRTKL by phone at 1-410-537-6000.
CallisonRTKL currently employs 1000-5000 people.
You can contact CallisonRTKL by phone at 1-410-537-6000, by email at accessibility@crtkl.com, through social media (Twitter, Facebook, LinkedIn), or via the contact form on arcadis.com.
CallisonRTKL's revenue is approximately 361.1M.
Well-known competitors of CallisonRTKL include Plunkett Raysich Architects, LLP, AECOM, HGA and Perkins&Will.

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