Maria Siro

Maria Siro

Associate, Finland

My service areas

  • Real estate
  • Corporate and M&A
  • Energy
  • Environment


Maria advises clients on assignments relating to real estate and environmental law, energy and infrastructure law and M&A transactions.

Prior to joining Magnusson, Maria worked as an associate at another Finnish law firm advising both domestic and international clients on various aspects of real estate and environmental law and participated in M&A transactions. In addition, she has worked as an environmental lawyer for governmental agencies. Maria is also well versed in a range of different types of court proceedings, having worked in both administrative and general courts. She is also interested in legislative work, and has participated in drafting the Finnish groundwater legislation.

Maria is trained on the bench, and in addition to her legal studies, she has studied natural sciences and holds an M.Sc. degree in geography.

Professional experience

Attorneys-at-Law Magnusson Ltd
Associate: 2019 – to date

Castrén & Snellman Attorneys Ltd
Associate: 2016 – 2019

District Court of Varsinais-Suomi and Turku Court of Appeal
Trainee District Judge 2018 – 2019

Administrative Court of Turku
Referendary: 2018

Finnish Transport Agency
Legal Counsel: 2014–2016

Uusimaa ELY Centre
Legal Counsel: 2014


  • University of Turku, LL.M.: 2014
  • University of Turku, M.Sc.: 2010


  • Finnish
  • English