
With 14 years of experience as a tax and business lawyer, Sigbjørn specializes in both national and international tax regulations for companies and individuals, as well as corporate law, particularly reorganizations and transactions. His expertise spans personal and corporate taxation, tax collection, and guiding clients—ranging from companies and public entities to organizations and individuals—through every stage of their lifecycle, from preparing corporate resolutions to managing tax audits. Sigbjørn also provides support in transactions such as business transfers, mergers, and demergers. He conducts tax due diligence and assists with tax audits, preparing appeals, and handling correspondence with tax authorities. Since joining Magnus Legal in November 2022, he has been responsible for GDPR matters, overseeing all cases related to data protection. In addition to his legal practice, Sigbjørn regularly conducts courses and seminars on tax-related topics and has authored numerous articles.
Blog Post by Sigbjørn Sørensen - Lawyer & partner
Sigbjørn Sørensen - Lawyer & partner8. May 2025
Private Limited Company in Norway: Why you need a Company Secretary
Operating a private limited company (“aksjeselskap” or “AS”) in Norway involves a range of legal and administrative duties. Unlike some countries, Norway does ...
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Sigbjørn Sørensen - Lawyer & partner18. October 2024
The 2025 national budget: Key tax and duty changes
On October 7, 2024, the Støre Government presented the national budget 2025. Although the government plans to increase oil revenues, only minor changes have ...
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Sigbjørn Sørensen - Lawyer & partner14. May 2024
Revised National Budget 2024 - The most important changes
Today at 10:45 AM, the proposal for the Revised National Budget was presented by Finance Minister Vedum. There were high expectations regarding potential tax ...
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Sigbjørn Sørensen - Lawyer & partner7. June 2023
Business in Norway - contract drafting and negotiation
Contracts governed by Norwegian law are interpreted in light of a number of elements in addition to the contract text itself. Make sure that your contracts are ...
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Sigbjørn Sørensen - Lawyer & partner18. January 2023
How are Bitcoin and other cryptocurrencies taxed?
There are many people who invest in cryptocurrencies today. However, The Norwegian Tax Administration states that very few people declare their crypto ...
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