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        Pentagon Design Oy

        Vilhonvuorenkatu 11 A 16 (6th floor)
        00500 Helsinki


        +358 10 843 5500

        VAT number : FI10492336


        If you are interested in a specific service area, please contact the following people:

        Virva Haltsonen, Strategy & Insights
        + 358 040 524 8151

        Heidi Hyytiäinen, Innovation & New Value Concepts
        +358 44 344 8554

        Sauli Suomela, Design & Branding
        +358 50 514 8934

        Check out our team

        Invoicing details

        Online invoices:

        We prefer to receive all partner and contractor invoices electronically.
        Our electronic invoice addresses are:


        Apix Messaging Oy

        EDI= 003710492336

        The email address for PDF invoices is:
        Please make sure that the attached file(s) are always PDF and our name and address is found on the invoice.

        Paper invoices:

        Pentagon Design Oy (Apix skannauspalvelu)
        PL 16112
        00021 LASKUTUS


        Vilhonvuorenkatu 11 A 16 (6th floor)
        00500 Helsinki

        +358 10 843 5500

        For general enquiries, please drop us a line at info(at)


        Our beautiful and inspirational 5th floor space is available for renting for meetings, events and photo shoots.

        Check our space on Venuu

        Check our space on Happens

        Rent working space



        Information on how to join our team is available on our Careers page.

        Check our open positions

        Meet the team

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