HS99, founded in 1999 by architects Piotr Smierzewski and Dariusz Herman, was an architectural office located in Koszalin, Poland. In 2016 Piotr Smierzewski, Dariusz Herman and Wojciech Subalski (partner since 2009) decided to close down their practice. The former partners decided to continue their architectural practice separately.

Piotr Śmierzewski established his own architectural practice ANALOG.

Dariusz Herman and Wojciech Subalski continue their professional collaboration as HMS ARCHITEKTURA.

We thank all involved people for collaboration in the past years.