About MIXA Law

MIXA Law is a small Toronto firm practising real estate, corporate, and estate law, with an office at 10 King Street East in the Financial District. Joel Mixa has practiced real estate, business, and estate planning law since 2004 and is admitted to the bar in both Ontario and Illinois, a dual credential that lets the firm advise on cross-border matters touching both jurisdictions. Nathan Sapelak joined the firm as an articling student, was called to the Ontario bar in 2018, and now focuses on the commercial and corporate side of the practice after running a residential and commercial real estate rental business before law school.

The firm's real estate work spans residential and commercial closings, financing, leasing, and land use matters, drawing on more than 15 years of experience in the area. Its corporate practice covers business formations, purchases and sales, and shareholder agreements, and its estate work centers on planning for the transfer of wealth. Client work has included setting up the legal and union framework for an independent Toronto theatre company, according to a testimonial the firm has published on its site.

Milestones & recognition

  • Joel Mixa has practiced real estate, business, and estate planning law since 2004 and holds admission to the bar in both Ontario and Illinois.
  • Nathan Sapelak completed articling at MIXA Law, working under Robert Aaron, before being called to the Ontario bar in 2018.

Good to know

A person using a wheelchairWheelchair accessibleA laptop showing a video callVirtual appointmentsAn office interior with a desk and chairsIn-person services

This firm’s lawyers at a glance

Called to the bar
2018 · median 8 years in practice 1 of 2 lawyers

Offices 2

10 King Street East, Suite 1400, Toronto, ON M5C 1C3

895 Don Mills Road, Building Two, Suite 108, Toronto, ON M3C 1W3

The neighbourhood

One of MIXA Law's offices is at 10 King Street East, Suite 1400, at Yonge and King in the heart of Toronto's Financial District.

MIXA Law's other office is at 895 Don Mills Road in the Two Morneau Shepell Centre, a shared office building in the Don Mills area of North York.

Frequently asked questions

Can MIXA Law help me buy or sell a home in downtown Toronto?
Yes. The firm handles residential and commercial real estate closings, including financing, leasing, and land use matters, and describes more than 15 years of experience in the area.
I'm starting a business in Toronto. Can MIXA Law incorporate it?
Yes. The firm's corporate practice covers business formations, purchases and sales of a business, shareholder agreements, and corporate restructuring.
Does MIXA Law prepare wills and handle estate planning?
Yes. The firm's estate practice focuses on planning for the transfer of wealth, working through a client's family relationships, finances, and assets to arrange their affairs.
Does MIXA Law handle commercial real estate disputes, like a landlord-tenant disagreement?
The firm's site describes handling commercial real estate disputes such as landlord-tenant disagreements, easement conflicts, and zoning decisions, in addition to its transactional real estate work.
How many lawyers work at MIXA Law?
Two: Joel Mixa, who has practiced since 2004 and is admitted to the bar in Ontario and Illinois, and Nathan Sapelak, called to the Ontario bar in 2018.
Where are MIXA Law's offices?
MIXA Law has two offices: one at 10 King Street East, Suite 1400, in Toronto's Financial District, and another at 895 Don Mills Road in the Don Mills area of North York.

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