Castrén & Snellman

Firm Profile

Rankings

Europe

Awarded leading firm in Europe 2025

Chambers and Partners

Ranked Departments:

Chambers and Partners

Ranked Individuals:

Overview

Provided by Castrén & Snellman

Number of partners: 33

Number of lawyers: 164

Managing partner: Jarno Tanhuanpää

Firm overview:

Castrén & Snellman Attorneys Ltd is a forerunner of demanding legal services, advising Finnish and international clients in M&A and other transactions, dispute resolution and the full scope of business law. The firm employs 164 lawyers. Castrén & Snellman’s mission is to help their clients build sustainable success stories. Over 50% of Castrén & Snellman’s work is cross-border and it has global contacts with renowned law firms throughout the world. Founded in 1888, Castrén & Snellman is the oldest law firm in Finland.

Castrén & Snellman is a full-service law firm.

These are the main areas of practice:

Banking & Finance:

Corporate Lending, leveraged finance, debt capital markets, real estate finance, debt restructurings, asset finance and securitisation, project finance

Contacts: [email protected], [email protected], [email protected]

Capital Markets & Public M&A:

Debt capital markets, equity capital markets, financial instruments, financial regulation and compliance, fintech, impact investing, new forms of financing, public mergers and acquisitions, transactions in the financial sector

Contacts: [email protected], [email protected]

Competition & Procurement:

Cartels, dominance, competition compliance and audits, merger control, state aid and competitive neutrality, market regulation

Contact: [email protected], [email protected]

Corporate Crime & Internal Investigations

Financial offences, white-collar crimes, trade secret offences, environmental offences, corruption, bribery

Contact: [email protected]

Data & Technology:

Data breaches & cyber threats, contracts & digital transformation projects, outsourcing, authority proceedings & disputes, regulatory & strategic advice, new technologies & business models

Contacts: [email protected], [email protected], [email protected]

Dispute Resolution:

Arbitration, litigation, enforcement, corporate crime, interim measures, mediation and adr, pre-dispute risk assessment

Contacts: [email protected], [email protected], [email protected], [email protected], [email protected]

Employment:

Employment law counselling, restructuring of labour, employment issues in M&A, outsourcing, employment disputes, public sector employment and public servant law, occupational health and safety, employment offences, incentive schemes

Contacts: [email protected], [email protected]

Environment, Energy & Green Transition:

Infrastructure and industrial projects, mining and natural resources, construction contracts, environmental liabilities and remediation actions

Contacts: [email protected], [email protected], [email protected]

ESG & Corporate Sustainability:

ESG, compliance, corporate governance and management liability, supply chain due diligence, ESG-related investigations, sustainable transactions and ESG due diligence, sustainable finance

Contacts: [email protected]

Corporate Governance:

General meeting arrangements, financing and structural arrangements, good corporate governance, advice to directors, advice to other entities

Contact: [email protected], [email protected], [email protected]

Restructuring & Insolvency:

Voluntary restructuring, restructuring proceedings, bankruptcy proceedings, liquidation proceedings, enforcement of pledges, insolvency litigation, cross border insolvency proceedings

Contacts: [email protected], [email protected]

Insurance:

Insurance sector transactions and portfolio transfers, insurance regulation and compliance, insurance policies, claims and disputes, insurance restructurings and insolvencies

Contacts: [email protected], [email protected], [email protected]

Intellectual Property:

IP protection, Advertising & Marketing, IP agreements, IP disputes

Contacts: [email protected], [email protected], [email protected], [email protected]

International Construction & Projects:

Engineering and construction projects, construction contracts, project risk management, dispute resolution in construction projects, PPP and life cycle projects, industrial outsourcing

Contacts: [email protected], [email protected], [email protected]

Life Sciences:

Pharmaceuticals and medical devices, healthcare, food law, public procurement, IP disputes, data protection and privacy

Contact: [email protected], [email protected], [email protected]

Private M&A:

Strategic M&A advice, acquisitions and divestments, public takeovers, cross-border transactions, structured auctions, buyouts, joint ventures

Contacts: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]

Outsourcing:

IT outsourcing, business process outsourcing (bpo), industrial outsourcing

Contact: [email protected], [email protected], [email protected]

Private Equity & Venture Capital:

Fund formation and fund investments, buyouts, venture capital and minority investments, incentive schemes, outside legal counsel

Contacts: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected],

Real Estate Investments & Transactions:

Real estate investments, property development

Contacts: [email protected]

Shipping & Logistics:

Maritime, transport and logistics, ports, shipping and logistics dispute resolution, shipping and logistics advisory, maritime and transport insurance, maritime digitisation, ship and aircraft finance

Contacts: [email protected]

Tax & Structuring:

Tax and corporate structuring, tax litigation, tax advisory

Contacts: [email protected], [email protected]

Ranked Offices

Provided by Castrén & Snellman

Address (A-Z)

Finland - Head office

Uusimaa

Eteläesplanadi 14 PO BOX 233 , Helsinki, Uusimaa, Finland, FI-00131, Helsinki

www.castren.fi

+358 20 7765 765

Chambers Laurel

Ranked Departments

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Chambers Laurel

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Contributions

Latest contributions provided by Castrén & Snellman

Global Practice Guide
Fiiu Linninen
Tarja Pirinen
Marius af Schultén
Noora Ahonen
Authored by
Fiiu Linninen, Tarja Pirinen, Marius af Schultén, Noora Ahonen
Article • Jan 2026
Global Practice Guide
Fiiu Linninen
Konsta Peussa
Tarja Pirinen
Marius af Schultén
Authored by
Fiiu Linninen, Konsta Peussa, Tarja Pirinen, Marius af Schultén
Article • Jan 2026

Articles, highlights and press releases

6 items provided by Castrén & Snellman

Castrén & Snellman