Avance‘s wide-ranging competition practice encompasses merger control, antitrust, foreign direct investments (FDI), public procurement and regulatory matters across the Finnish market. The team regularly represents health and social care, energy, telecoms, building technology, construction, banking, and IT companies before the Finnish Competition and Consumer Authority (FCCA). Practice head Katja Jaakkola frequently assists clients with securing FDI approvals and foreign subsidies-related matters, with established experience in merger filings in the health care sector. Laura Kauppila handles merger control investigations by the FCCA, while Asko Lindqvist is well equipped to handle complex merger control, cartel, and dominance cases.

Dittmar & Indrenius has a comprehensive EU and competition offering, allowing the team to advise on competition infringement, antitrust damages claims, abuse of dominance cases, and merger control. The practice assists clients at all stages of competition law investigations, and is noted for its strength in public procurement matters. Practice head Ilkka Leppihalme is well equipped to handle all aspects of EU and Finnish competition law. Toni Kalliokoski‘s primary focus is competition, regulatory, and commercial litigation, acting for clients in regulated industries such as electricity, banking, and pharmaceuticals. Jussi Koivusalo covers the full array of domestic and EU competition law matters, while Aarne Puisto advises clients in the defence and security, energy, healthcare, media, and transport industries on contentious and non-contentious competition matters.

Hannes Snellman has a proven track record of advising clients in several regulated markets on the enforcement practices of the relevant authorities. The team assists clients across competition law, state aid, and public procurement matters. At the helm of the practice is Mikko Huimala, who advises Finnish and international corporations on merger control and behavioural issues. Anna-Maria Tamminen is a dispute resolution specialist, handling investigations in the energy, export control, and financial services sectors. Outi Jousi is skilled in public sector technology matters, with a focus on public procurement tenders.

Krogerus‘s competition team covers a wide array of matters related to horizontal and vertical competition law arrangements, merger control procedures, abuse of dominance, public procurement, and state aid. The firm’s well-established client base covers the healthcare, pharmaceuticals, energy, and telecommunications sectors. Practice co-head Leena Lindberg advises private sector clients on complex merger control, FDI, and regulatory matters, while fellow co-head Simo Autio is well equipped to assist contracting authorities and tenderer in complex healthcare and technology-related services procurement. Katri Joenpolvi is particularly impressive in proceedings pertaining to cartels and vertical restraints, and advises clients on exemption regulations.

Roschier‘s competition team works closely with the firm’s M&A, corporate, and dispute resolution practices to provide a full-service competition advisory service to clients. The firm advises Nordic companies on matters involving feasibility challenges and that require regulatory approval from multiple authorities in several jurisdictions. Practice strengths include FDI, cartel enforcement, and dominance matters. Ami Paanajärvi, who leads the practice, is experienced in merger control and antitrust proceedings before the European Commission and the Finnish Competition and Consumer Authority. Sari Rasinkangas is well versed in cartel and dominance investigations and litigation, and related damages actions.

Covering all major areas of antitrust, merger control advisory and filings, and state aid cases, Borenius handles both in and out-of-court negotiations. The team stands out for its expertise in cartel matters, advising on cases before the FCCA and the Finnish courts. Clients cover the aviation, property management, bus, building services and engineering sectors. Jenni Heurlin, who has a strong track record in EU and Finnish competition law, joined in January 2026 from Hannes Snellman to lead the practice. Henriikka Piekkala is a key name to note for state aid issues and regulated market matters, with extensive experience in telecommunications law related to antitrust issues, policy matters, and privacy issues. Another name to note is Leo Rantanen.

Castrén & Snellman maintains a strong position in the EU and competition sphere, covering a wide array of matters related to competition proceedings and litigation, foreign direct investment (FDI) screening proceedings, merger control strategy, and state aid. The team has a notable emphasis on private enforcement litigation in Finland, and handles issues related to corporate sustainability and green transactions in the area of competition law and state aid. Leading the team is Jussi Nieminen, who advises clients on major competition and regulatory proceedings before the authorities and courts, and strategic merger control projects. Anna Kuusniemi-Laine is well versed in public procurement, state aid, and competition matters for corporate sustainability, life sciences, construction, and energy industry clients.

Boutique firm Frontia Attorneys at Law Ltd has a comprehensive competition offering, allowing the team to advise on a range of competition and procurement matters for a broad client base. The team is jointly led by Mikael Wahlbeck, who assists clients in contentious and non-contentious competition matters, and Niko Hukkinen, who specialises in competition law, alongside energy and communications market regulations, acting for industrial and private equity clients. Hanna Sarkio specialises in EU and Finnish law, often handling follow-on damages cases before the Finnish courts.

The Helsinki office of specialist competition firm Geradin Partners was launched in October 2024, and is geared to support clients across all aspects of merger control, EU state aid, and digital regulations, among other matters. The team utilises its European network to handle complex cross-border mandates. Practice co-head Mikko Alkio handles complex abuse of dominance issues and merger control matters across the healthcare, technology, energy, telecommunications, and gaming sectors. Co-head Christian Wik advises clients on large cartel investigations and procedures across the Nordic countries and in Brussels, while fellow co-head Ilkka Aalto-Setälä, who joined the team from Borenius in November 2025, assists companies and governmental agencies with antitrust and internal market law issues. The team further expanded with the addition of Sanna Syrjälä from the FCCA in January 2026.

HPP Attorneys is geared to support clients on antitrust matters, including cartel and dominance proceedings, with a focus on the renewable and defence and securities sectors. In addition, the firm has recently seen an increase in state aid regulation and FDI-related matters. Anna Roubier leads the practice, with experience in merger control, antitrust, and FDI proceedings, and a focus on cross-border cases. Maarika Joutsimo leads on public procurement matters. Maria Metso specialises in antitrust advice and proceedings, and state aid matters for medicine, chemical, and forestry clients.

Bird & Bird‘s competition team works alongside other practice groups in the firm to cover the entire scope of EU and domestic law matters. The practice has notable expertise in the telecommunications, media, technology, energy, and industrial sectors. Practice head Katia Duncker is experienced across competition law and public procurement matters. Jori Taipale leads the team’s Nordic regional operations, while Petteri Metsä-Tokila handles matters concerning merger control, distribution strategies, and abuse of dominance.

DLA Piper Finland Attorneys Ltd deals with a variety of competition and public procurement law matters for public and private clients. The team is jointly led by Satu-Anneli Kauranen, who is experienced in a range of competition, compliance, and regulatory matters, and Tuija Kaijalainen, who focuses on public procurement, advising contracting authorities and tendering suppliers on various stages of the public procurement process.

Established in April 2025, Erottaja Attorneys Ltd has a dedicated EU and competition law team overseen by Tuomas Saraste, who joined from HPP Attorneys, bringing three decades of experience in cartel investigations and various competition-related legal proceedings. He is supported by Joonas Huovinen, who advises clients on a range of competition matters, with notable experience in competition authority investigations.

Drawing on the firm’s wider international presence, the competition team at Eversheds Asianajotoimisto Oy / Eversheds Attorneys Ltd (a member of Eversheds Sutherland) handles cross-border matters concerning cartel investigations and court proceedings, state aid, and public procurement cases. Practice head Olli Hyvönen represents large industry operators in antitrust proceedings, and state aid and public procurement matters. Kaija Pulkkinen brings additional expertise in public procurement.

Procopé & Hornborg‘s competition practice advises clients from a variety of industries, including automotive, energy, retail, and media. The team assists clients with all aspects of EU and Finnish competition law, and has a strong knowledge of public procurement matters. The practice is spearheaded by Lotta Uusitalo, who is skilled in damages claims and administrative litigation relating to competition law, and Asta Siponen, who is a dispute resolution and public procurement specialist.

Waselius‘ competition team has a notable emphasis on public procurement proceedings and litigation before the Market Court, often representing life science companies. The team also advises foreign investors on FDI processes. At the helm of the practice is Lotta Pohjanpalo, who advises clients on EU and competition law, public procurement, and regulatory matters. Other key names in the team are Sami Hartikainen and Ida Keränen.

Boutique law firm Merkurius Attorneys is noted for its expertise in competition and public procurement matters. Leading the team is Kirsi-Marja Salokangas, who advises public and private clients on complex competition cases involving cartels, cooperation, and exchange of information between competitors. Salokangas also covers state aid and abuse of dominant market position matters.