About Addo Law Professional Corporation

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Addo Law Professional Corporation is a law firm with offices in Toronto and Ottawa, practicing construction law, civil litigation, real estate law, and family law. The firm was founded by Mark Addo, who earned a law degree from the University of Ottawa's English JD program in 2021 and was called to the Ontario bar in 2022. Before starting the firm, Addo articled with an international law firm in Ottawa and then worked at one of the city's larger regional firms, building experience in construction law, civil litigation, and real estate.

The firm has grown to four lawyers whose degrees come from the University of Ottawa, Western University, McGill University's joint Common Law and Civil Law program, and law schools in Nigeria, along with graduate law degrees earned in Costa Rica and at the University of Windsor. The team includes members of the Canadian Association of Black Lawyers and the Black Female Lawyer Network, and lawyers who work in both English and French. Mark Addo has appeared before the Ontario Superior Court of Justice, the Ontario Land Tribunal, and Small Claims Court, and the firm also takes on criminal law, landlord and tenant, and Provincial Offences Act matters alongside its four core practice areas.

In the community

  • The firm's founder, Mark Addo, is listed on the team page of AspireToBe, an initiative that hosts a monthly Speaker Series at a Durham District School Board high school where Black professionals in fields such as law, nursing, engineering, and the creative arts speak with students about their career paths.

Good to know

A person using a wheelchairWheelchair accessibleA blue parking sign beside a car in a parking spaceParking available

Fees & payment

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

This firm’s lawyers at a glance

Called to the bar
2022 · median 4 years in practice 1 of 4 lawyers
Law schools
Ambrose Alli University, McGill University, University of Ottawa, Western University 4 of 4 lawyers
Languages on the roster
English, French

Offices 2

1315 Finch Ave. W., Suite 206, Toronto, ON M3J 2G6

440 Laurier Ave., W., Suite 200, Ottawa, Ontario K1R 7X6

The neighbourhood

Addo Law's Toronto office is in a five storey professional office building at 1315 Finch Avenue West, on the south side of Finch just east of Keele Street. The building sits directly across from Finch West station, where the TTC's Line 1 and the newer Line 6 meet, close to York University, with York University station the next stop along the line. That combination puts the office within easy reach by transit or by car, with access to Highway 401 at Keele Street and Highway 400 at Finch Avenue, useful for a firm that serves clients across the Toronto area and beyond rather than one neighbourhood alone.

Frequently asked questions

Can Addo Law help with a real estate purchase or sale in Toronto or Ottawa?
Yes. Addo Law handles residential and commercial real estate transactions, including purchases, sales, financing, and condominium deals, for clients in the GTA and Ottawa.
I'm dealing with a construction lien or contract dispute. Does Addo Law handle that?
Yes. Construction law is one of the firm's core practice areas, covering liens, adjudication, and contract issues under Ontario's Construction Act.
Does Addo Law handle separation, divorce, or child custody matters?
Yes. The firm's family law practice covers separation, divorce, custody and access, and spousal and child support.
How many lawyers work at Addo Law and where are its offices?
Addo Law has four lawyers, with offices in Toronto at 1315 Finch Avenue West and in Ottawa at 440 Laurier Avenue West.
Does Addo Law offer a free consultation?
Yes. The firm offers a free 30 minute consultation. Prospective clients are asked to contact the office directly to schedule one.
I was charged under the Provincial Offences Act or have a Small Claims Court matter. Can Addo Law assist?
Yes. Beyond its four core practice areas, Addo Law also takes on criminal law, landlord and tenant, and Provincial Offences Act matters, and founder Mark Addo has appeared in Ontario's Small Claims Court.

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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 ↗