Dear corporate customer

Welcome to do business with us!

Contact us

Corporate Customer Service

0200 18818 (mobile call charge / local network charge, charged also for the queue time)
Our Customer Service is available Mon–Fri 8:00am–4:30pm.

Technical Customer Service

0206 90801 (mobile call charge / local network change, charged also for the queue time)
From abroad: +358206 90801 (international call charge).

  • Fault repair Mon–Fri 8:00am–5:00pm.
  • Fault reports can be submitted 24/7.
  • Agreed service level agreements (SLA) affect the fault repair time.

B-to-B Sales Service

0800 134134 (toll-free).
Our Sales Service is available Mon–Fri 8am–4:30pm.
Fax 0200 18811

Read about our products in the online shop for companies

Read about our service portfolio

Communications services

Make sure your company can be reached at all times: We provide you with uniform company numbers, conferencing services based on the latest technology, flexible PBX services and versatile customer service solutions.


Mobile services

The most powerful phones, subscriptions and services – also for mobile work! Sonera’s 4G network enables smooth working both at the office and remotely.

Data communications connections

Seamless working over reliable data communications connections: We provide flexible solutions for connection management and the company’s information security.


Business services

We provide your company with different services for implementing efficient, multi-channel communications, improving communications, managing field operations and payment traffic, and securing companies’ sites.


Specialist services

Solid expertise with Sonera’s services:  We support your company’s business, for example,  by ICT solution design, implementation and service management.

Do you want service in English?

Contact us for more information: Call our Sales Service at 0800 134 134 (Mon–Fri 8am–4:30pm) or submit a contact request.