About Anton M. Katz, Barrister & Solicitor

One of the highest-rated law firms in Toronto, going by its Google reviews.

Anton M. Katz, Barrister & Solicitor is a sole practitioner corporate-commercial law firm based in Toronto, on Yonge Street between Finch Avenue and Sheppard Avenue. Anton Katz earned a J.D. from Osgoode Hall Law School in 1994 and was called to the Ontario Bar in 1996. The practice was established in 2001 with a focus on legal work for small and midsize business owners.

The firm covers three areas: corporate law, including incorporations, organizing resolutions and by-laws, share issuances and transfers, and amalgamations and reorganizations; commercial law, including business purchases and sales, partnership and shareholder agreements, commercial lease reviews, and contract drafting; and commercial and civil litigation, including shareholder and partnership disputes, employment litigation such as wrongful dismissal claims, and commercial lease disputes. Katz has served on the Ontario Bar Association's Council and as a Trustee of the OBA Foundation, and mentors students and licensees through the OBA and the Law Society of Ontario.

Milestones & recognition

  • Established in 2001 as a sole practitioner corporate-commercial practice in Toronto.
  • Anton Katz earned a J.D. from Osgoode Hall Law School in 1994 and was called to the Ontario Bar in 1996.
  • Katz served on the Ontario Bar Association's Council from 2012 to 2018 and as a Trustee of the OBA Foundation from 2014 to 2018.
  • Katz appeared as a guest on Season 1, Episode 9 of Fire Away: The Employment Law Show, discussing the sale of a business.

In the community

  • Katz serves on the Board of Directors of Beit Rayim Synagogue.
  • Katz serves as Secretary of the Intercounty Tennis Association.
  • Katz mentors students and licensees through the Ontario Bar Association and the Law Society of Ontario, and has tutored Bar Admission Course students.

Good to know

A person using a wheelchairWheelchair accessibleA rainbow pride heartLGBTQ+ friendlyA laptop showing a video callVirtual appointmentsAn office interior with a desk and chairsIn-person services

Fees & payment

A clipboard with a speech bubble and a no-charge dollar coinFree consultation

The neighbourhood

The office is in Suite 800 on Yonge Street between Finch Avenue and Sheppard Avenue, north of Sheppard Ave. The firm describes the location as easily accessible by transit and the major highways, which fits a practice built around small and midsize business owners who need to get to the office and back to work quickly.

Frequently asked questions

What kind of legal work does Anton M. Katz, Barrister & Solicitor handle?
The firm practises corporate law, commercial law, and commercial and civil litigation, working mainly with small and midsize business owners in the Toronto area.
Can the firm incorporate my business?
Yes. The firm handles incorporations under both federal and Ontario law, including professional corporations, along with organizing resolutions, share issuances, and maintaining corporate records.
Does the firm draft or handle disputes over shareholders' agreements?
Yes. The firm drafts partnership and shareholders' agreements as part of its commercial law work and also acts in shareholder and partnership disputes when those agreements break down.
I was let go from my job. Can the firm help with a wrongful dismissal claim?
Yes, employment litigation, including wrongful dismissal claims, is part of the firm's commercial and civil litigation practice.
Does the firm offer a free consultation?
Yes. The firm offers a free half hour consultation to review a prospective client's legal needs and discuss estimated costs before any work begins.
Where is the office located?
The office is at 5255 Yonge Street, Suite 800, in Toronto, on Yonge Street between Finch Avenue and Sheppard Avenue.

Where to find them

5255 Yonge Street Suite 800, Toronto, Ontario M2N 6P4 · 416-606-5099

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗