Avance handles a wide range of TMT matters, advising various emerging technology companies. The team is led by a capable quartet of Ilkka Perheentupa and Anders Floman, both of whom are focused on technology transactions, Kati Rantala, who handles IP disputes and general matters, and Sonja Heiskala, who is a data protection, IP, and technology specialist. Maiju Klemola joined the firm as head of the technology practice in January 2026.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- '‘The TMT practice at Avance stands out through its combination of deep industry knowledge, commercial awareness, and a client-oriented approach.'
- 'What makes the individuals at Avance stand out is their strong commitment and the way in which the partners personally take ownership of the matters entrusted to them.'
- ‘This is a highly motivated, talented team that works for clients with their best interest in mind.’
- ‘Ilkka Perheentupa is the man to negotiate complex M&A transactions. You want him on your side.'
- ‘Attention to detail, management of process and crisp advice.'
- 'A particular strength is their ability to leverage the full breadth of the firm’s expertise. The partners know how to bring in the right people with the right skills at the right time, which means a seamless team effort and access to key capabilities across practice areas.’
Key clients
- KKR
- Canatu Oy
- Aspia Finland Oy
- Telia Company AB
- Accountor Software
- Hostaway Oy
- ECIT
- Paptic Oy
- VIA equity
- Klevu Oy
- Neqst
- WeKomply
Work highlights
Advised Telia Company on the divestment of its TV and Media business, including the TV4 brand in Sweden and the MTV brand in Finland, to Schibsted Media.
Advised Accountor Software in relation to the voluntary recommended public cash tender offer for all the shares and option rights in Heeros Plc announced by Accountor Finago Oy.
Advised the founders of Hostaway on a $365 million strategic growth investment in Hostaway led by General Atlantic, with participation from existing investor PSG Equity.
Lawyers
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Ilkka Perheentupa; Anders Floman; Kati Rantala; Sonja Heiskala
Other key lawyers
Maiju Klemola