Contact us
Tell us about your goals and challenges. We'll listen and would like to show you our previous work. Send us a message, and let’s talk.
Offices
Tampere
Hämeenkatu 13 B
33100 Tampere
Helsinki
Merimiehenkatu 29
00150 Helsinki
Joensuu
Tiedepuisto, Länsikatu 15
80110 Joensuu
Customer relations

Toni Pato-Oja

Marko Kujala

Sami Hakimsan

Joni Heinonen
Learn more about our services.
Billing information
E-invoices
We hope to receive your invoice primarily through online invoicing. Please note that paper invoices and other mail have different addresses.
Mediasignal Communications Oy
Online invoice address: 003710546146
Agent: Liaison Technologies
Agent ID: 003708599126
Business ID: 1054614-6
Mediasignal Industrial Oy
Online invoice address: 003724292220
Agent: Liaison Technologies
Agent ID: 003708599126
Business ID: 2429222-0
Paper invoices
If you are not able to to send e-invoices, please use the following billing address:
OSTOLASKUT
PL 172
40011 HEEROS PALVELUT
All other mail should be sent to the visiting address.
Billing contact: