Company presentation

We are an international team of five people speaking Polish, Norwegian, English, and Russian.

BDT Viken has 5 offices in Norway and 1 office in Szczecin, Poland. Our headquarters is located in Skøyen, Oslo.

What makes BDT Viken different from other accounting offices?

Qualified staff

  • A team of approx. 70 accountants (including a number of authorised accountants) and auditors familiar with the latest Norwegian regulations make sure your business is always up-to-date with the law. The BDT Viken staff attend regular training on the latest laws and regulations related to Norwegian businesses, accounting and official matters in Norway. We have over 30 years of experience, and hundreds of customers have already trusted us.
  • We use modern and dependable software, thus reducing the risk of technical issues, which are often the case in companies using old, unreliable accounting software.
  • Competitive and affordable prices! Using state-of-the-art solutions, we shorten the working time and save you accounting costs.
Company presentation


DIY solutions

  • The ability to keep your own accounts, issue invoices and make payments with the simple, economical Tripletex system. Our staff can help you get the hang of the system.

Assistance for foreign businesses

  • As accounting and auditing specialists, we provide services for foreign businesses operating in Norway. Our teams are made up of qualified Polish accountants who manage the financial matters of businesses so that the owners can focus on developing their enterprises.

Why choose our company?

  • We know that the communication between accounting and operations is the key to running a business effectively. Experience shows that in other accounting companies on the market, the time devoted to a specific customer and its invoicing are disproportionate. We believe that availability, flexibility, and direct, frequent contact with customers guarantee the best cooperation and satisfaction with our services.
  • We also specialise in matters related to Norwegian public authorities – NAV, Arbeidstilsynet, Skatteetaten, HELFO, UDI, etc. We are probably the only office in Poland and Norway to professionally handle the entire process of claiming Norwegian pensions and related matters. In addition, we organise individual appointments with customers and training sessions on this subject.

How much does it cost to change your accounting office and what will you need to do?

  • We can help you change the accounting office – it will be a mere formality, with no extra cost for you. You will not be charged for changing your accounting office.

Please do not hesitate to contact us for more details.


Hoffsveien 15
0275 Oslo


ul. Podgórna 27/U1
70-205 Szczecin


+47 22 50 66 05

Regnskap AS: 935392667MVA

"All rights to the contents of this page are reserved. This includes text, pictures, graphics, design, and logo. The author of this page is BDT Viken AS. Copying or dissemination of the information found on the page without the author’s consent is forbidden."

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