Topos is an architectural and advisory firm specialising in urban planning, architecture and building engineering.
Imagine Tomorrow
Topos
Our Approach
An integral approach that makes us decisive.
Just like you, we want to contribute to a sustainable world.
Anno 1953
Over 70 years of architecture and engineering.
Topos was founded in 1953 by architect Bas Treffers.
70 Years of Topos
A journey through our history.
1953
Topos is founded by architect Bas Treffers.
1970
Merger with architect Kornel Polgar's practice.
1985
Topos grows into a full-service firm.
2000
Embracing digital tools and sustainable design.
2010
Expands urban planning department.
2021
Moves to new office in Gouda.
2024
Over 60 professionals — Imagine Tomorrow!
Our Team
The multidisciplinary Topos team.
Thomas Visser
Senior Architect
Thomas focuses on educational and healthcare architecture with a passion for user experience.
Eva Mulder
Project Architect
Eva leads complex residential projects from concept through construction.
Lars de Boer
Civil Engineer
Lars specializes in infrastructure design and water management systems.
Nina Hendriks
Landscape Architect
Nina designs outdoor spaces that connect people with nature and enhance biodiversity.
Rick Smeets
BIM Manager
Rick ensures all projects meet the highest standards of digital design and coordination.
Lotte van Dijk
Junior Architect
Lotte brings fresh perspectives and a strong focus on sustainability to every project.
Bram Willems
Technical Designer
Bram translates conceptual designs into technically feasible solutions.
Iris Meijer
Office Manager
Iris keeps the office running smoothly and is the first point of contact for all visitors.