Asianajotoimisto Fenno, Helsinki

Fenno offers services in the Helsinki office in a wide range of corporate law, insolvency law, dispute resolution and litigation, family and inheritance law, and legal matters related to housing and construction. We bring a robust, modern and innovative approach to handling your legal affairs with our young, but expert team at the Fenno Helsinki office.

We are a law firm whose clients mainly consist of entrepreneur-owned micro and SME companies, but legal expertise and experience can be found regardless of the size of the company, all the way up to listed companies. The basis of our operations at Fenno is an understanding of the whole business, which allows us to offer high-quality and value-producing legal services to our clients in all phases of the company’s life cycle. We also offer private legal services in family and inheritance law at the Fenno’s office in Helsinki.

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Mirka Eliasson (on maternity leave)


Heidi Halttunen

Bachelor of Laws

Heidi works at the office in Helsinki, mainly in tasks related to corporate law.

Ville Huttu-Hiltunen


Ville’s main area of focus is advising both business clients and private individuals in a variety of different court proceedings.

Markus Laakkonen

Attorney-at-law, Partner

Markus Laakkonen has extensive experience in management, finance, building sales and law.

Ronja Lounio


Ronja Lounio is responsible for the functionality of Fenno’s office services with a cheerful and brisk attitude. Ronja has experience in customer service tasks for several years and the service runs in both domestic languages.

Nina Mörsky


Lassi Nyyssönen

Attorney-at-law, M. Soc. Sc., Partner

Lassi Nyyssönen has handled a very broad range of legal matters for companies and private individuals.

Anni Paunio

Lawyer, Licensed Legal Counsel

Sara Pynnönen

Legal trainee

Otto Saikkonen


Mikael Salmi

Attorney-at-law, Partner, LL.M. with Court Training

Mikael Salmi has worked as an attorney-at-law from 2004, and for many years as a bank lawyer before that.

Laura Saloranta

Lawyer, Licensed Legal Counsel

Mikko Tolvanen

Attorney-at-law, Partner

Mikko Tolvanen has extensive experience in corporate, contract and tax law consulting and in the related problem solving.

Tuua Zilliacus

Financial Manager

Tuua works as the office manager in our Helsinki office, and she is responsible for the financial administration.