Contact information

OUMAN-switchboard
+358 424 840 1

Building automation
ouman(ät)ouman.fi
+358 424 840 400 Sales
+358 424 840 600 Maintenance and technical support
+358 424 840 500 Ouman System Specialist (Ouflex and Ounet products)

OUMAN Energy efficiency services
asiakaspalvelu(ät)ouman.fi
+358 424 840 700

OEM/ODM-services
+358 2 8387 4400

E-invoice address: 003724476134
Operator: Maventa
Operator code: 003721291126

When sending e-invoices through bank network operator code is: DABAFIHH

Ouman Oy Business-ID 2447613-4

Please send the invoices in PDF-format to the following e-mail address: ostolaskut(ät)ouman.fi

Invoices via normal mail can be send to the following address:
Ouman Oy
Ostolaskut
Sinkokatu 11
26100 RAUMA


Ouman Estonia OÜ
invoices(ät)ouman.ee
Y-tunnus: 105023
Alv nr: EE100453285
Kalevi Põik 7, Kuressaare 93815
Estonia