Ratna Oy

Harnessing the potential of new urban services in EU cities

Who We Are

Ratna Oy is a Finland based company designing field operation and access solutions for smart cities using IoT and blockchain technologies. The management team has a long corporate experience from mobile networking and physical access systems combined with an innovative and fresh development team.

Petri Nuuttila


petri.nuuttila@ratna.fi
+358 50 514 9690

Niementie 3
Puumala 52200
Finland

Jouni Koljonen


jouni.koljonen@ratna.fi
+358 50 514 9690

Punavuorenkatu
Helsinki 00120
Finland

Tuomas Ebeling


tuomas.ebeling@ratna.fi
+358 50 514 9690

Jämeräntaival 7
Espoo 02150
Finland

Akseli Koljonen


akseli.koljonen@ratna.fi
+358 50 514 9690

Opastinsilta 2 3
Helsinki 00520
Finland