About Addo Law Professional Corporation

Clients rate this firm highly on Google.

Addo Law serves clients in Toronto and Ottawa with civil litigation, family law, construction law and real estate, covering both property transactions and real estate disputes. Beyond those four core areas, the practice also takes on criminal matters, small claims, landlord and tenant disputes and Provincial Offences Act cases.

Mark Addo founded the firm, which operates under the name Addo Law Professional Corporation, and serves as its principal lawyer. Mark has appeared before the Ontario Superior Court of Justice, the Ontario Land Tribunal and Ontario's Small Claims Court. Nancy Zagbayou and Lera Nwineh are associate lawyers, and Isioma Morka-Christian is licensed to practise in both Ontario and Nigeria.

The firm has an office at 1315 Finch Avenue West in Toronto and another at 440 Laurier Avenue West in Ottawa, and consultations are scheduled by contacting the office at 647-368-6558.

Practice areas

Construction law

Addo Law handles construction litigation, liens, adjudication and construction contracts, and keeps its construction advice consistent with the Construction Act.

Civil litigation

Civil litigation work spans disputes over contracts, real estate, commercial matters and human rights, with experience at every stage of the litigation process. Isioma Morka-Christian supports the civil litigation practice with research, pleadings and file management.

Real estate

Addo Law acts on purchases, sales and financing of residential and commercial property in the GTA and Ottawa, including condominium purchases and sales. Real estate litigation sits alongside the transactional work.

Family law

Family clients get help with separation and divorce, custody and access, and spousal and child support. Isioma Morka-Christian supports the family law practice with research, pleadings and file management.

Our guide: How to Hire a Family Lawyer in Toronto

Criminal law

Criminal matters range from violent and drug offences to impaired driving, fraud and theft, with bail hearings and domestic violence charges also covered.

Business law

Business clients can turn to Addo Law from forming and incorporating a company to buying or selling one, plus compliance, contract drafting and review, and commercial disputes.

Immigration law

Immigration help covers temporary residence, such as visitor visas and study or work permits, as well as permanent residence, sponsorship and citizenship applications.

Good to know

A person using a wheelchairAccessible parkingA blue parking sign beside a car in a parking spaceParking available

How Addo Law Professional Corporation works

Addo Law's approach is to simplify a complicated legal process by keeping clients informed and supported from start to finish.

Milestones & recognition

  • Nancy Zagbayou served as Managing Editor of the McGill Law Journal while at law school.

Affiliations & connections

This firm’s lawyers at a glance

Languages on the roster
English, French

Offices 2

1315 Finch Ave. W., Suite 400, Toronto, ON M3J 2G6

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

Frequently asked questions

Is there someone at Addo Law who can handle my file in French?
Addo Law has Nancy Zagbayou, an associate lawyer who is fluent in English and French.

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This listing was generated by AI from public sources in October 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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