Arkkitehtitoimisto Koan

Helsinki architecture practice designing sustainable timber buildings, housing areas and public buildings for clients in Finland

Helsinki, FinlandFounded 2021koan.fi Website technologies

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Highlights

New on EvolcAdded 2026-10-28

About Arkkitehtitoimisto Koan

Arkkitehtitoimisto KOAN Oy is an architectural practice in Helsinki, founded in 2021 by architects Marko Simsiö and Johannes Koskela. Its core expertise is sustainable wooden architecture, from master planning to individual buildings.

The practice offers architectural and principal design, urban planning, concept design, restoration and refurbishment design, interior design, visualizations and work on architectural competitions. It also has expertise in Building Information Modeling (BIM). Design services are tailored to each client's needs.

Clients include Honkarakenne, Supercell, S-Group, the City of Tampere, several Finnish municipalities and private clients in Finland and abroad. Its projects include timber residential areas, public buildings and private houses across Finland, and its work has been recognised in numerous architectural competitions.

Product: Architectural and principal design, urban planning, concept design, restoration, interior design, BIM services and visualizations, centred on sustainable timber architecture.

Jobs at Arkkitehtitoimisto Koan

No open positions listed right now.

Leadership

Johannes Koskela · architect SAFA / M.sc., founding partner
Source: company website
Marko Simsiö · architect SAFA / M.sc., founding partner
Source: company website

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