SIRIUS advokater advises Danish and international clients, including privately owned and listed companies and private equity funds, on commercial, corporate, and M&A matters. The firm uses highly specialised teams for each transaction to ensure the right expertise. The practice is co-headed by Joachim Ørum Petersen, who guides clients through all stages of M&A transactions, and Anders Kjær Dybdahl, with expertise in M&A, venture investments, and corporate law with a focus on transactions and investments. Former co-head Olaf Carl Ehrenskjöld left the firm post-publication in summer of 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The M&A team at SIRIUS is extremely professional and knowledgeable with a high level of integrity and commercial understanding. They know exactly how to set up and execute M&A transactions in an effective and pragmatic manner to the benefit of the client. One of the leading M&A teams in the Nordics.’

  • 'Anders Kjær Dybdahl is very professional and knowledgeable legal support in M&A transactions. Anders is highly capable of solving complex issues in a pragmatic and value-adding manner.’

  • ‘Fast processing of requests and in-detail knowledge within M&A and corporate law.’

  • ‘Profound knowledge of our business.’

  • ‘To me, SIRIUS stands out because they put the client first. They take the time to listen to what is important and how the client desires the process and the result. Thereafter they apply their knowledge, experience and creativity to ensure the results. World-class team.’

  • 'Anders Kjær Dybdahl executes with high precision and stamina and negotiates to perfection.’

Key clients

  • Gaztransport & Technigaz SA
  • DSV Panalpina A/S
  • M. Goldschmidt A/S
  • Medpro Clinic Sweden AB
  • Nordic Waterproofing A/S
  • Taasinge Elementer A/S
  • BLS Finans A/S /BLS Capital Fondsmæglerselskab A/S
  • Bikuben Fonden
  • NIL Technology ApS
  • Ellegaard Göttingen Minipigs A/S

Work highlights

Advised Gaztransport & Technigaz SA with the strategic acquisition of 100% of the share capital in Vessel Performance Solutions ApS.
Advised NIL Technology ApS with its Series C-round, entailing an investment of €28.8m.
Advised Jespers Torvekøkken ApS in the purchase of 100% of the shares in a competing company that operated a catering business in Aalborg, Denmark.

Lawyers

Practice head

Joachim Ørum Petersen; Anders Kjær Dybdahl

Other key lawyers

Gülcan Sari