Avoin.Systems Oy

Kuortaneenkatu 2
00510 Helsinki

+358 45 7820 4377

How may we help you?

    Don’t hesitate to contact us

    Sales & new projects

    Joni Winsten
    +358 45 7820 4377

    Customer service

    If you have a support contract with Avoin.Systems, you may leave a ticket to: tuki@avoin.systems


    EDI/OVT number

    E-invoice operator
    (if bank as an operator: DABAFIHH)

    Arrival instructions

    Our office is located at the corner of streets Kuortaneenkatu and Elimäenkatu.

    From outside you will see the white facade of the building. Step in from the main entrance that has a small GE sign above the door.

    Call us from the lobby, and we’ll come to pick you up to our office!