House M-M
House M-M is a private house of 170 m2 in Helsinki, Finland. It is designed for a family of four, with a separate flat for a grandgrandmother. Also the grandparents live in an existing building on the same plot. The guiding concept in the design was the relationship of private spaces within the houses to [...]
Roslund
Another recent project was for Roslund in the Teurastamo district of Helsinki. The job was to convert a tiny former watchman´s building into a meatshop/bistro. More images soon.
Spring & summer 2012!
Hello! We are quite slow in updating this site and bit more active in Twitter (@tsiit) but here is a little summary of what has been happening at Tuomas Siitonen Oy in the first half of 2012: we were working on quite many interior projects, including a new lobby, cafeteria and education spaces for Helkama Corporation; bookshop [...]
New: exhibition design for Ilmastoinfo
We have been working on an exhibition concept and exhibition architecture for an upcoming exhibition for Ilmastoinfo in Laituri exhibition space. The idea is to visualize the effects of different lifestyle choices and their impact on the environment. Hoping it is coming out good, opening on the 12th of October. More info here. The project was done [...]
Process pics
Here is what we were working on today, got so excited that I posted a pic right away, it is not quite finished in the picture, but this is the third annual paper installation for Helsingin Sanomat Foundation, done together with Johannes Nieminen and Pauli Ojala, who has designed an amazing projection piece to complement [...]
Spring & Summer 2011 / quick update
Some examples of what we were working on in the spring and summer of 2011: IDENTITY & WAYFINDING The work on the temporary use of Kalasatama area continued. Commissioned by the City of Helsinki, and done in collaboration with Part., our work included designing all graphic communication for the area: signage, posters, leaflets etc. etc. [...]
Sneak peek for the summer!
A short summary of the very busy S/S 2011 coming up after the vacation (among them this pop-up project for Heineken)!
Intern wanted / harjoittelijaa etsitään
Looking for an intern for architecture and exhibition design projects. The intern should be • able to work independently • have good model building skills • Adobe CS, Archicad skills a plus Please contact info@tuomassiitonen.fi for questions
New projects!
2011 starts with working on design for a private house (site in the picture), some exhibition architecture and temporary urbanism.









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