Slide Great ideas. Positive impact. That’s Zeifmans. Great ideas.

    Positive impact.

        That’s Zeifmans.


Zeifmans is a full-service tax, accounting and business consulting firm based in Toronto, Canada, and is ranked as one of Canada’s top 20 firms by revenue. Beyond the traditional offering, our services include business advisory, valuation, corporate finance, transaction services, corporate turnaround and insolvency, and estate and succession planning, supporting our 9,000+ clients through every step of the business life cycle.


Meet our team of experienced partners and innovative associates.


Explore services across full range of tax, accounting, assurance & consulting.


Learn about wide variety of industries that turn to us for service & advice.

Case Studies

See how we’ve helped entrepreneurs implement ideas with impact.

Blog Posts

Psychedelics treatments are in the public eye  

Recently the use of psychedelics in health care experienced an interesting turning point – not through political gains, but through television.      Hulu’s latest hit, Nine Perfect Strangers, depicts the use of psychedelics as a tool in mental health therapy. Now, for anyone who’s seen the show – which follows a wellness retreat gone wrong – it’s not ...

Proposed legislation introduced to reform cannabis taxation in the US

On July 14, 2021, Senate Majority Leader Chuck Schumer released a discussion draft of a detailed cannabis reform bill which, if enacted, would restore the deductibility of all expenses related to cannabis businesses and institute excise taxes on such businesses, resulting in big changes to cannabis taxation. Now backed by Democratic senators Cory Broker and ...

P : 416.256.4000

F : 416.256.4003