Home PeopleMatti Tyynysniemi Practices Dispute Resolution Industries Energy & Infrastructure Engineering & Machinery Real Estate & Construction Languages English, Finnish Download CV Download contact Send secure email LinkedIn Matti Tyynysniemi Title: Managing Associate Dispute Resolution Email: matti.tyynysniemi@hannessnellman.com Mobile: +358 40 530 8292 Languages: English, Finnish Practices Dispute Resolution Industries Energy & Infrastructure Engineering & Machinery Real Estate & Construction Languages English, Finnish Download CV Download contact Send secure email LinkedIn Matti advises domestic and international clients on dispute resolution and dispute avoidance with a special emphasis on construction, project delivery, and related fields. Matti acts as counsel for clients in arbitration and court proceedings and has experience as an arbitrator. While having specialist know-how on construction disputes, Matti is an experienced generalist lawyer and has handled disputes on a range of issues. He has particular experience on negotiating solutions to disputes in long-term business relationships. “One of the best dispute resolution practices in town for real estate and construction-related cases. Especially Matti Tyynysniemi has a very analytical, professor-like approach to disputes, and he has excellent communication skills.” Dispute Resolution, Legal 500, 2026 “Matti Tyynysniemi has a background as a journalist and his written communication stands out as exceptionally well drafted.” Dispute Resolution, Legal 500, 2026 “He is also very good at communicating with the client about the case management and what is needed from the client.” Dispute Resolution, Legal 500, 2026 References Counsel to several energy sector companies in a dispute (including an eventual complex settlement) over abuse of influence by a shareholder, share redemption, and related matters Counsel to a creditor in a dispute over the repayment of a shareholder loan in the energy sector Counsel to NYAB Finland Oy in successfully contesting the wrongful termination of two construction contracts, 2023 Represented the client against a contractor in an arbitration over an industrial installation agreement Represented a contractor in a multi-million euro ICC arbitration over an EPC project delivery agreement in the energy sector Represented a Finnish construction company in an arbitration over a renovation project in central Helsinki Represented the customer in a dispute over the interpretation of an energy supply agreement Counsel to a Finnish company before the Finnish Market Court in a merger control case subject to special expedited rules Represented the client against contractors in a high-value dispute over a renovation project in central Helsinki Represented a large Finnish city in court proceedings over damages claims relating to water quality Represented consultants in two different arbitrations concerning power plant disputes Defended a multimillion arbitral award against a set aside claim in Finnish courts Represented the client against contractors in a dispute over the renovation of a water treatment facility Represented an international industrial company in an arbitration over the interpretation of a supply agreement Represented a Finnish construction company in litigation against a consultant over a major construction project Defended a board member of a foundation from damages claims made in Finnish courts against several individuals, co-ordinating the work of counsel representing the different respondents Represented the buyer in an arbitration over breaches of the seller’s warranties in the acquisition of a major Finnish company Show all , Load more References Rankings "Matti Tyynysniemi has a background as a journalist and his written communication stands out as exceptionally well drafted. He is also very good at communicating with the client about the case management and what is needed from the client.";"One of the best dispute resolution practices in town for real estate and construction-related cases. Especially Matti Tyynysniemi has a very analytical, professor-like approach to disputes, and he has excellent communication skills.", Legal 500, Dispute Resolution 2026 Recognised as a key lawyer, Dispute Resolution, Legal 500, 2026 Professional Background Managing Associate, Hannes Snellman, 2022 – Senior Associate, Hannes Snellman, 2019 Associate, Hannes Snellman, 2015 Helsingin Sanomat, 2011 & 2012 – 2014 Yle Uutiset, 2007 – 2010 & 2011 – 2012 Education Master of Laws, University of Helsinki, 2015 Bachelor of Arts, University of Jyväskylä, 2013