Pentagon Design’s
contact information
Say Hello.
I'd like to talk about...
Co-operation with you
Working at Pentagon Design
Something else
Pentagon Design Oy
Vilhonvuorenkatu 11 A 16 (6th floor)
00500 Helsinki
info(a)pentagondesign.fi
+358 10 843 5500
Invoicing details
We prefer to receive all partner and contractor invoices electronically.
Online invoices:
We kindly ask you to send your invoices primarily as an email attachment (PDF) to: tikon.mailinvoice(a)aditro.com
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
Sarjanro 27804194
PL 872 00019 SSC
Helsinki, Finland
Collaborate with us
If you are interested in a specific service area, please contact the following people:
Virva Haltsonen, Strategy & Insight
+ 358 040 524 8151
Heidi Hyytiäinen, Innovation & New Value Concepts
+358 44 344 8554
Sauli Suomela, Design & Branding
+358 50 514 8934
Office
Vilhonvuorenkatu 11 A 16 (6th floor)
00500 Helsinki
+358 10 843 5500
For general enquiries, please drop us a line at info(at)pentagondesign.fi
Space
Our beautiful and inspirational 5th floor space is available for renting for meetings and events.