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Let's build something

The areas of activity of Langenegger Architekten AG cover a wide spectrum. Whether new construction, conversion or renovation, we accompany our clients on private and public buildings from the feasibility study through planning to implementation. We look for creative, sustainable, functional and economical solutions in dialogue with the place and the people. Reacting to the environment and dealing with existing structures is one of our core competencies, which has been shaped by many years of experience.


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our areas of expertise

Team Langenegger Architekten AG

for over 50 years
Your competent advice

The architectural firm was founded in 1967 as a sole proprietorship and converted into a stock corporation in 2002. Yves Siegrist has been managing director since 2008 and is now the sole owner of Langenegger Architekten AG. He graduated from ETH Zurich in 1992. Since then he has gained a wide range of experience in all areas of construction and architecture. 

Do you have any questions or would you like advice? Then we look forward to hearing from you.Contact!



We are a dynamic team consisting of eight employees and two trainee draftsmen specializing in architecture. We bring with us many years of experience as well as youthful freshness. Our common goal of continually developing ourselves requires innovative solutions and teamwork within the architectural office and together with the client, authorities and companies.




Langenegger Architects AG
Luzernerstrasse 91

5630 Muri


opening hours

Mon - Fri

07:30 a.m. - 5:00 p.m

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