
TMT
Castrén & Snellman is reputed for the depth of its expertise in private and public sector IT outsourcing and cross-border IT system procurement projects, along with data protection issues, regulatory work and IT dispute resolution and arbitration matters. The team regularly acts for clients in the banking and finance, energy, construction, media, telecoms and entertainment sectors, as well as government bodies. Eija Warma-Lehtinen, a key point of call for domestic and international clients for international data transfer and outsourcing arrangements, co-heads the practice with Kim Parviainen, who is adept at IP, technology and dispute resolution work, and Topi Lusenius, who has longstanding experience in IT transactions. Asta Salo is also singled out for her contributions in this space.
Testimonials
Collated independently by Legal 500 research team.
- ‘Excellent legal advice, responsiveness is high, and advice adapted to our needs and business.’
- ‘The team has great expertise and experience in matters. They listen to the customer, bring solutions and know how to take into account the specific characteristics of the business.’
- ‘Eija Warma-Lehtinen and Kim Parviainen are both excellent in what they are doing, and you can feel the experience right away. They can understand the client's business and the special questions related to it, including questions outside of legal matters. They work as a team with the client, and as a client, you can always be confident that the matter will be handled with excellent experience and on time.’
- ‘Asta Salo is an experienced and knowledgeable attorney. She is friendly, sociable and solution-oriented.’
- ‘Data Protection expertise, client focus, down-to-earth and accessible experts.’
- ‘C&S lawyers are always available on short notice, knowledgeable and quick to learn aspects of our industry and the questions that need answering.’
- 'Exceptionally high standard and quality of the deliverables, clarity of advisory for a non-legal team.'
- 'Nationally acknowledged professionals in data privacy issues and exceptional professionalism. We value the solution-oriented approach.'
Key clients
- Citycon Oyj
- Liikennevakuutuskeskus
- Oomi Oy
- Valio Oy and Oddlygood Oy
- Google LLC
- Veikkaus Oy
- Solidium Oy
- Zendesk, Inc.
- Ulkoministeriö (Ministry for Foreign Affairs of Finland)
- Savings Banks Group
Work highlights
- Advised Citycon Oyj on outsourcing agreement negotiations, employee transfers and data protection-related matters.
- Advised Google LLC on numerous pioneering regulatory matters.
- Advised the Ministry of Foreign Affairs of Finland on the administrative process following a decision from the Office of the Data Protection Ombudsman.
Lawyers

Practice head
The lawyer(s) leading their teams.
Eija Warma-Lehtinen, Kim Parviainen, Topi Lusenius