Piia Ahonen heads Hannes Snellman’s VAT and other indirect tax services, including excise duties and customs. She frequently advises both Finnish and international clients in the real estate, infrastructure, energy, finance, manufacturing, retail, and transportation sectors. Piia has extensive experience in tax litigation and other proceedings and M&A transactions. She is a trusted advisor to clients, providing guidance on how tax policies affect their businesses and assisting with processes related to legislation amendments.

She is also a well-known and popular lecturer in VAT topics and active in Hannes Snellman’s ESG Group.

Rankings

  • Hall of Fame, "Piia Ahonen, VAT partner, has exceptional knowledge of indirect taxes.", Tax, Legal 500, 2025
  • “Highly Regarded” in Indirect Tax and “Women Leader in Tax”, ITR World Tax, 2025
  • Hall of Fame, Tax, Legal 500, 2024
  • Recommended in “Corporate Tax – Advisory”, Lexology Index, 2024
  • “Highly Regarded” in Indirect Tax and “Women Leader in Tax”, ITR World Tax, 2024
  • "Piia Ahonen has shown great dedication and professionalism in the co-operation I have had with her. She has been very quick to respond even in ad hoc cases, and it has always been pleasant to work with her.", Tax, Legal 500, 2023
  • “Highly Regarded” in Indirect Tax and “Women Leader in Tax”, ITR World Tax, 2023
  • "Piia Ahonen is very experienced and theoretically strong in VAT matters.", Tax, Legal 500, 2022
  • "Specialist partner Piia Ahonen is very technically skilled within the field of VAT and indirect taxation, where she is second to none. Further, she has a great team of talented practitioners.", Tax, Legal 500, 2021
  • Ranked as a Leading Individual in Tax Finland, Legal 500, 2021-2022
  • Ranked "highly regarded", Indirect Tax Leaders Guide 2019

Memberships and Positions of Trust

  • Member of the Finnish Bar Association
  • Member of the Association for Finnish Tax Professionals
  • Member of the Committee of Law and Tax of the Tampere Chamber of Commerce & Industry, 2013–2019

Professional Background

  • Specialist Partner, Hannes Snellman, 2019–
  • Ernst & Young Oy, 2005–2019
  • Tax Office for Major Corporations, 2004–2005
  • Local Tax Office of Helsinki, 2001–2004
  • Trained on the Bench, District Court of Mikkeli, 2001–2002

Education

  • Master of Laws, University of Helsinki, 2001

Publications

  • Havaintoja oikeusperiaatteiden soveltamisesta arvonlisäverotusta koskevassa oikeuskäytännössä ja lakihankkeissa, Verotus Journal, 2024
  • Kiinteistöliiketoiminnan arvonlisäverotus, hard copy, 2023 (co-author)

Speaking Engagements

  • Suuri Veropäivä, speaker, 2024
  • European VAT club meeting, host and panel discussion co-lead, 2024
  • VAT course, Aalto University, speaker, 2023
  • Hannes Snellman’s Tax Morning Coffee, speaker, 2023
  • Alma Talent's seminar on compensations and contracts, speaker, 2022
  • Lecture organised by Kunnallisalan Kirjanpitohenkilöstö ry, speaker, 2021
  • Hannes Snellman’s Tax Morning Coffee, speaker, 2021
  • Property Valuation Day, speaker, 2021
  • Hannes Snellman Webinar ”Datakeskukset sijoituskohteina”, speaker, 2021
  • Hannes Snellman Webinar ”Kohti parempaa kiinteistöliiketoimintaa ALV-asiantuntijan silmin”
  • Webinar hosted by Veronmaksajain Keskusliitto ry, speaker, 2020
  • Arvonlisäverotusiltapäivä hosted by ST-Akatemia, speaker, 2020