Practice · Architecture
CallisonRTKL
Global architecture, planning and design firm with a human-centric approach to the built environment.
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- Residential, Commercial, Cultural
- Plus 2 more sectors
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In their words
“CallisonRTKL, a prestigious global architecture, planning, and design firm, has its origins over seven decades ago, evolving into a significant cultural agency focused on fostering positive outcomes within communities.”
CallisonRTKL, a prestigious global architecture, planning, and design firm, has its origins over seven decades ago, evolving into a significant cultural agency focused on fostering positive outcomes within communities. The firm is renowned for its human-centric design approach, addressing the critical aspects of resiliency, well-being, and technology within the built environment. This approach underlines their commitment to creating spaces that not only meet the aesthetic and functional needs of today but also anticipate the demands of the future.
Formed from the merger of Callison and RTKL Associates in October 2015, both subsidiaries of Arcadis NV, CallisonRTKL has established itself as a leader in the field. The firm is spearheaded by CEO Kim Heartwell, showcasing a commitment to innovative and sustainable design solutions across various projects worldwide. With a workforce of 800 employees, CallisonRTKL has undertaken numerous significant projects, including the £1.4 billion redevelopment of Brent Cross Shopping Centre in North West London and the Four Seasons Residences in Beverly Grove, Los Angeles, highlighting its expertise in creating memorable and impactful environments.
CallisonRTKL's global presence is marked by a wide array of projects that demonstrate its architectural and design prowess, catering to a diverse client base that spans developers, retailers, investors, institutions, and public entities. This global outreach is supported by a network of offices worldwide, ensuring that the firm's unique blend of innovation, sustainability, and design excellence is accessible to a global audience.
The work they do
- 01Residential
- 02Commercial
- 03Cultural
- 04Mixed-Use
- 05Transport
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Ruchi Sabale, Associate and Project Manager in ArchitectureListen to the episode →Is this your practice?
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Profile updated 29 July 2026
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