Construction & real estate
Law Firm



Kirves Attorneys Ltd provides services in all legal matters related to project business, contracting, land use and real estate development, contract negotiation, warranty liabilities and contractual breaches.

We provide an effective, high-quality and reliable legal advice to all stakeholders in the construction industry to ensure our clients’ projects run smoothly from the start.

We also advice in corporate, contract and tort law.


We provide legal advice to private condominiums in all aspects relating to renovation projects, infill construction and real estate development.

Urban infill contruction, made possible by zoning development, often requires entering into partnership agreements prior to the commencement of the zoning change process. In such circumstances it is advisable to engage an experienced legal advisor in land use negotiations related to zoning changes.

We also advice on matters relating to contract and corporate law.


We assist private clients in legal issues concerning the sale and purchase of real estate and housing. We form agreements relating to land use and assist in legal challenges in zoning processes. In addition we provide general legal advice in contract and tort law.


Lassi Kirves

Attorney-at-Law | Partner

Lassi Kirves advises our clients in dispute resolution, contract negotiations and project consultation.

Lassi is a legal expert specialized in the construction law and has many years of experience working for Finnish construction companies in Finland and Russia. In addition, Lassi has worked in leading law firms in Finland focusing in real estate and construction law.

To date he has handled a significant number of construction litigation and arbitration proceedings acting primarily as a counsel for contractors.

Lassi graduated from the University of Helsinki with a Master of Laws degree in 2014. 

Lassi serves our clients in Finnish, English and Russian languages.

Kuva Lassi Kirves Asianajotoimisto Kirves

Heikki Tanner

Attorney-at-Law | Partner

Heikki Tanner advises our clients in dispute resolution, negotiations, and all areas of law related to management of construction and real estate projects.

Heikki has extensive experience both as an attorney and as an in-house counsel. Before joining Kirves Attorneys Ltd, he worked as the General Counsel and a member of the Management Team in one of the leading technical installation companies in Finland. Heikki Tanner has experience in international M&A transactions and in dispute resolution. He understands the needs of business and has received appraisal for his pragmatic and solution-oriented approach. Heikki Tanner has also worked as an attorney specializing in dispute resolution at one of the Finland’s largest law firms.

Heikki graduated from the University of Helsinki with a Master of Laws degree in 2010.

Heikki serves our clients in Finnish and English.

Mika Ahtola

Bachelor of Laws

Mika Ahtola works as a legal trainee for our firm. Mika is currently working on his Master’s thesis related to the real estate and construction law. Before his legal studies, Mika completed technical installation training and has worked in technical installation company. Mika’s experience in the construction industry provide a solid foundation for understanding legal issues related to construction projects. In addition to the construction business, Mika has earlier gained experience in the financial sector where he worked in corporate financing.

Mika has earned the degree of a Bachelor of Laws at the University of Helsinki in 2022.

Mika Ahtola serves our clients both in Finnish and English.


Our fees are based on the time spent on the assignment. The fees may be affected by the complexity of the assignment and the value or significance of the interest in question.

The hourly rate is always agreed with the client in advance and on a case-by-case basis before commencement of the assignment.

Where clients have legal expenses insurance, we will consider whether our fees can be covered by the insurance company.


Kirves Asianajotoimisto Oy
Eteläranta 6 A 4, 00130 Helsinki
BUSINESS ID: 3161123-4