Asianajotoimisto Jaatela & Helenius Oy is a Helsinki-based law firm specializing in criminal defense, family and inheritance matters, and civil dispute resolution. The firm maintains a reputation for precise legal work, practical guidance, and a client-focused service model that emphasizes clarity and responsiveness throughout each engagement. Clients benefit from a disciplined, outcome-oriented approach that translates complex legal issues into actionable strategies.

Led by partners Mikko Helenius and Jarkko Jaatela, the firm operates with a compact team of experienced attorneys who deliver tailored representation and counseling. In criminal defense, the practice guides clients through investigations, pre-trial matters, and court proceedings with strong advocacy and cost awareness. In civil disputes, the firm offers strategic advice and effective advocacy to resolve matters efficiently while protecting clients' interests in negotiations and litigation.

Founded in 2000, Asianajotoimisto Jaatela & Helenius Oy has built a solid reputation for reliable service and practical results for individuals and small businesses. The firm is known for direct and accessible legal support in private matters, with a focus on delivering clear, transparent communication and pragmatic solutions.

About Asianajotoimisto Jaatela & Helenius Oy

Founded in 2000

6 people in their team


Practice areas
Criminal Defense
Family
Lawsuits & Disputes

Languages spoken
English

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Practice areas

Criminal Defense

Asianajotoimisto Jaatela & Helenius Oy focuses on criminal defense, offering clients guidance through investigations, pre-trial matters, and court proceedings with a client-centered approach and clear communication.
Arrests & Searches
Bail Bond Service
Criminal Litigation
Drug Crime
Drunk Driving
DUI & DWI
Juvenile Law
Sex Crime
Speeding & Traffic Ticket
White Collar Crime

Family

In family and inheritance matters, the firm represents individuals with issues related to family relationships and estates, including planning and dispute resolution.
Adoption
Child Abuse
Child Custody
Child Support
Child Visitation
Collaborative Law
Divorce & Separation
Domestic Violence
Father's Rights
Marriage
Military Divorce
Same Sex & LGBT
Annulment

Lawsuits & Disputes

The firm represents clients in civil disputes and litigation, advising on dispute resolution strategies and advocating in court and other proceedings.
ADR Mediation & Arbitration
Appeal
Class Action
General Litigation
Ethics and Professional Responsibility
Commercial Litigation
Antitrust Litigation
Restructuring & Insolvency

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