Contact information
On this page you will find contact information for financial management, customer service and invoicing.
If you did not find what you were looking for, you can contact us using the form below. If your question concerns installation, please mention your preferred installation location in the comments field.
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Customer service
Telephone service weekdays 9 am-5 pm tel. 0104201700
Offices open weekdays 8 am-4 pm
CALL RATES
Numbers starting with 010 8.35 cents / call + 22.32 cents/min
Numbers starting with 075: 8.28 cents/call + 8.76 cents/min. GSM: 8.28 cents/call + 23.1 cents/min.
Head Office
Koukkupaja Oy
Tiilipojanlenkki 4,
01720 Vantaa
Open weekdays 8-16
Requests for quotations & orders
Offices open weekdays 8 am-4 pm
Telephone service on weekdays 9 am-5 pm
Financial management
Saruman Ltd.
Office:
Kirkkokatu 8 As 9, 4. krs
90100 Oulu
Marika Raappana
045 788 16 300
marika.raappana@saruman.fi
​CFO
Sanna Ruuhonen
Purchase invoices
1. ONLINE INVOICES
Business ID: 2282648-7
E-invoice address: 003722826487
Operator: Liaison
Broker ID: 003708599126
2. PDF INVOICES
3. PAPER INVOICES
Koukkupaja Oy
PL 53017
01051 LASKUT
Please note that only invoices may be sent to the above addresses. It cannot be used for payment notes, sending advertisements, etc.
If any mail other than actual invoices is sent to the service or mailbox, they will be automatically destroyed.
Any questions?

OFFICES
See the button below for location-specific contact information and arrival instructions.