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Claudio Martellacci

CM - Background

Claudio Martellacci, CPA, CA, CBV

Valuations Partner


After graduating from York University with a Bachelor of Commerce degree, Claudio joined Collins Barrow, where he obtained his CPA/CA designation and became a Manager.  Claudio was later a Senior Manager with KPMG performing audit and accounting services for private companies, as well as personal and corporate tax planning and compliance services.  He then joined a boutique valuations practice for several years before moving to Grewal Guyatt LLP.  Claudio is a Chartered Business Valuator (CBV) designation holder and specializes in business valuations and litigation support, including forensic accounting, income calculations and net worth statements.


  • Chartered Accountant (CA)
  • Chartered Professional Accountant (CPA)
  • Chartered Business Valuator (CBV)
  • York University (B. Comm)