Björn Winström

Partner, Stockholm

Complex Construction, Energy & Infrastructure, General Commercial, Industrial Investments, Private Equity, Private M&A


Björn Winström focuses on private M&A, private equity and energy & infrastructure, with a focus on large-scale industrial projects. Björn is Head of the firm’s Energy & Infrastructure, Industrial Investments and General Commercial practices in Sweden.

Björn regularly advises international private equity firms and large corporations on transactions. He has acted for several companies in buy-outs, exits, joint ventures and restructurings, as well as large corporates in general M&A and corporate matters.


Björn is recognized as one of the leading experts in Sweden within Corporate/M&A, Private Equity and Energy by international directories such as Chambers Europe/Global, IFLR1000 and the Legal 500.

This is what clients say about Björn:

“He is exceptionally strong in terms of his commercial understanding and legal strength.”
– Chambers Global 2023, Corporate/M&A and Private Equity

“Björn Winström is very strong in negotiations and has a commercial sense.”
– Chambers Europe 2023, Energy & Natural Resources

“Björn knows our business, our competitors and every deal in the market. He and his team work round the clock to make our deals happen. The legal advice provided is top notch.”
– IFLR1000 2021/2022 (32st edition), M&A

“Superb work quality, nice to deal with, innovative.”
– IFLR1000 2021/2022 (32st edition), M&A

“A very strong lawyer.”
– Chambers Global 2022, Corporate/M&A and Private Equity

“Dedicated and involved in all phases of a transaction.”
– Chambers Europe 2022, Energy & Natural Resources

“Björn Winström works harder than everyone else. He combines a thorough knowledge of the market, with great legal advice and a no-nonsense approach.”
– The Legal 500 2022, Energy

Work highlights

Björn Winström’s experience includes advising:

  • Citycon in the acquisition of the remaining 50% share in Kista Galleria;
  • Brocc in the acquisition of Chassi Group;
  • Sprints Capital in its investment in Modular Finance;
  • Kinnevik, Verdane and Summa Equity in the combination between Mathem and Oda;
  • Statkraft in its acquisitions of Njordr Offshore Wind and Svevind Nordic;
  • Cargill in an offtake agreement and the commitment to invest in Nordic Iron Ore;
  • Ramudden in the acquisition of Wopio and Smartprotect Nordic;
  • Fortum in the acquisition of Telge Energi;
  • Ramudden in the acquisition of Worxsafe;
  • KKR’s life science platform Gamma Biosciences in the USD 215 million sale of Astrea Bioseparations to Biotage;
  • Kinnevik in the SEK 250 million investment in H2 Green Steel;
  • RCO Security Group in the acquisition of Swedlock;
  • Solör Bioenergi in the acquisition of Lantmännen Agrovärme;
  • Bonnier Ventures in their investment in diagnostics company Elypta;
  • Solör Bioenergi Holding in the acquisition of the district heating company Ale Fjärrvärme;
  • Ramudden in its acquisition of Halleskog & Hansson;
  • Basalt Infrastructure Partners in the SEK 9.3 billion public offer for Nobina;
  • Veoneer on Swedish regulatory matters in connection with the acquisition of its shares by Qualcomm;
  • Nalka in its acquisition of CERTEGO from ASSA ABLOY;
  • Solör Bioenergi Fjärrvärme in the acquisition of the district heating business of SEVAB Strängnäs Energi;
  • Fortum in the sale of its 50 percent ownership in Stockholm Exergi Holding to an investor consortium led by APG;
  • Solör Bioenergi Holding in the acquisition of Veolia Nordic’s utility solutions business in Sweden and all of the shares in Veolia Norge;
  • Solör Bioenergy Group in their acquisition of Falbygdens Energi;
  • Nordic Infrastructure in the acquisition of shares in Solör Bioenergy Group;
  • Fortum in the divestment of eight hydropower plants to Downing LLP;
  • Novax on its investment in AquaDental;
  • Assemblin on its acquisition of Fidelix;
  • II-VI, Inc. on its acquisition of Ascatron;
  • Veoneer in the dissolution of Zenuity its joint venture with Volvo Cars;
  • Solör Bioenergi Fjärrvärme in the acquisition of Vasa Värme Holding from Asper Investment Management;
  • EQT in the sale of Coromatic Group to E.On Sverige;
  • BE Bio Energy Group AG in their divestment of shares in Solör Bioenergi Holding to Polhem Infra;
  • Infranode in their investment in the Port of Gävle;
  • 3i, and funds managed by 3i, on its sale of OneMed to Nalka;
  • Kinnevik Online in its investments in Mathem and Joint Academy;
  • BillerudKorsnäs in the dissolution of Bergvik Skog and the subsequent sale of a majority shareholding in the forest owning company to AMF;
  • PayPal in their USD 2.2 billion acquisition of iZettle;
  • Digital microinsurance provider BIMA in connection with Allianz Group’s USD 96.6 million strategic investment.

Roschier, Partner (2010-); Head of Stockholm office (2016-2019)
Linklaters, Counsel (2010)
Husqvarna AB, Visiting Lawyer (2006-2007)
Linklaters, Managing Associate (2005-2010)
Linklaters, Associate (2001-2005)
Lagerlöf & Lehman (predecessor of Linklaters in Sweden), Associate (2000-2001)


Member of the Swedish Bar Association


Swedish chapter in “Global Legal Insights – Energy” 4th edition 2015, with D. Hanquist, M. Olsson, Global Legal Group Ltd.


University of Stockholm, LL.M. (2001)


English, Swedish

Björn is exceptionally strong in terms of his commercial understanding and legal strength.

Chambers Global