Petter Kjöllerström

Partner
Lawyer
Petter Kjöllerström
Location
Stockholm
Language
Swedish, English, French

Petter Kjöllerström has over 20 years of expertise in advising clients on corporate transactions, private equity investments, incentive programs, and corporate law matters. He primarily works with private equity firms and industrial players acquiring companies in Sweden, often involving complex international structures.

Petter has particular expertise in designing and managing incentive programs, both domestic and cross-border, and regularly assists clients throughout all phases of M&A and venture capital transactions from due diligence and deal structuring to management and divestment. His work also includes reorganisations, ownership matters, and day-to-day corporate governance.

Most of the transactions Petter advises on are cross-border in nature, covering a wide range of jurisdictions. He collaborates closely with our international offices, especially in the Nordics, the US, the UK, and Germany, to deliver integrated advice with a global perspective.

In addition, Petter leads DLA Piper’s Aerospace & Defence practice in Sweden, aiming to provide comprehensive solutions for stakeholders in this rapidly growing and safety-critical industry.

Qualifications
Professional background
Partner, Advokatfirma DLA Piper Sweden KB
2016-
Senior Associate, Advokatfirma DLA Nordic KB
2011-2016
Associate, Advokatfirman Vinge
2006-2011
Law Clerk, District Courts of Oskarshamn and Kalmar
2004-2006
Education
Master of Laws (LL.M.), Uppsala University
2004
Studies in law, University of Tilburg
2003
Studies in law and economics, University of Miami
2003
Memberships

Swedish Bar Association since 2009

Experience
Selected experience

Advising Din Bil Sverige that together with Scania Sverige (Scania) decided to jointly seek to acquire the full business of Bilmetro, as well as, together with Nordisk Renting, some 17 real estate companies, by an acquisition for a combined value of circa SEK 4.4 billion.

Advising NYSE-listed Graphic Packaging on its US$1.45 billion acquisition, through controlled action, of AR Packaging, with subsidiaries in 14 jurisdictions all over the world
Advising Aberdeen Standard Investments in the divesture of its Nordic direct real estate business in Sweden, Norway, Finland and Denmark through a controlled auction to DEAS Group
Advising Abry Partners II, LLC, a media, communications, business and information services focused private equity investment firm, in its disposal of its majority interest in AddSecure to funds advised by Castik Capital S.à r
Advising AddSecure AB, in its acquisition of Lund’s ProgramArkitekter AB (LPA), a company that develops and sells IT systems. With LPA's advanced software services specially adapted to the needs of rescue services
Advising Bergvik Skog AB in the division of the forest assets in Bergvik Skog AB. The transaction includes the purchase of Bergvik Skog Öst AB by BillerudKorsnäs AB for a purchase price of approximately SEK 6,4 billion
Advising Confirmasoft, backed by Abry Partners, a Nordic platform focusing on acquiring strong enterprise software companies with specialized offerings for SME customer
Advising infrastructure investor DIF Capital Partners on its EUR150 million investment in Stockholm-based Alight, a leading developer of subsidy free solar projects in the Nordics
Advising Svevik Industri AB, a company acquiring small and mid-sized Nordic companies primarily within B2B
Advising on and setting up management incentive programmes, both domestic and involving participants from different jurisdictions
Ranking
Chambers Europe

Ranked in Corporate/M&A, 2026

"Petter is sharp in his understanding, and has deep legal knowledge and good experience."

Legal 500

Mentioned in Commercial, corporate and M&A, 2026

"Petter Kjöllerström was the right person at our side of the table. He was calm and reassuring, offering clear and unvarnished counsel. He easily navigated through more complex matters and managed to receive consensus with the other side in crucial times."

"The Swedish commercial and M&A practice has deep transactional expertise. The team, led by Petter Kjöllerström, delivered high-quality support without creating unnecessary friction. The speed of the responses was impressive, and with the right mix of legal and commercial advice."

Mentioned in Commercial, corporate and M&A, 2025

"Petter Kjöllerström, Anton Olenius and Sara Latrach provide excellent service and availability and go above and beyond in delivering on our requests."

Mentioned in Commercial, corporate and M&A, 2024

"Petter Kjöllerström and Petros Vardanian deserve special mention."