About the firm
Asianajotoimisto Matti Penttinen Oy appears in the public law-firm directory published by Finnish Bar Association for Finland. The entry identifies Helsinki as the office locality. Its published business address is Museokatu 8 A 2. The entry publishes +3589141360 as a business contact number.
Sources and editorial notes
Sources checked 4 October 2026: https://app.loydaasianajaja.fi/print/en?competencyTarget=