
Castrén & Snellman’s competition and procurement team offers tailored legal expertise in compliance, competition litigation, merger control, state aid, and regulatory matters. The team has extensive experience of handling complex international cases and private enforcement litigation in Finland, with a strong focus on the finance, construction, insurance, and forestry industries. The team is led by Jussi Nieminen, who brings extensive expertise across the full spectrum of competition law, representing clients in regulatory and competition-related litigation before Finnish courts. The head of the sustainability team, Anna Kuusniemi-Laine, is highly regarded for her expertise in public procurement, state aid and competition matters. Maarit Taurula excels in advising on abuse of dominant market position and cartel investigations.
Testimonials
Collated independently by Legal 500 research team.
- ‘Broad team with good expertise.’
- ‘Maarit Taurula is a seasoned expert. She can provide clear recommendations and useful guidance in a summarised way. Jussi Nieminen is very skilled and knowledgeable.’
- ‘Highly professional team. Always available.’
- ‘Anna Kuusniemi-Laine is professional, pragmatic and business oriented.’
- ‘Jussi Nieminen is very hands-on and committed to the assignments. He is easy to approach and provides practical advice. In addition, he is warm and empathetic.’
- 'Top expertise, straightforward approach to essential issues, no legal jargon. Cooperation and communication is uncomplicated. Atmosphere is friendly, with a good sense of humour.'
Key clients
- Valio Oy
- S-Group
- Wärtsilä Corporation
- OP Financial Group
- Gasum Oy
- VR Group Ltd
- YIT Oyj
- Caverion
- Lantmännen
- Triton
Work highlights
- Advised Gasum on the ongoing proceedings related to the Finnish energy authority’s significant penalty payment proposal.
- Advised Valio on market court proceedings concerning alleged breach of behavioural commitments given in a merger control context.
- Advised Caverion on the merger control proceedings related to Crayfish BidCo Oy’s public tender offer.
Lawyers

Practice head
The lawyer(s) leading their teams.
Jussi Nieminen