McMackin Law is a civil litigation and employment law firm in Bowmanville, serving Durham Region and Northumberland County. It was founded by Alan McMackin in the late 1980s and is now run by his son Ryan, who handles contract, real estate, business, and employment disputes. Alan retired from practice in 2019 and now serves as a Deputy Judge.

Practice areas

Civil Litigation & Dispute Resolution Employment & Labour Law Real Estate Law Business & Corporate Law

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Fees & payment

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

Lawyers 2

Alan J. McMackin Lawyer Civil Litigation & Dispute ResolutionEmployment & Labour Law Ryan J. McMackin Lawyer Civil Litigation & Dispute ResolutionEmployment & Labour Law

This firm’s lawyers at a glance

Called to the bar
1978 · median 48 years in practice 1 of 2 lawyers
Law schools
University of Windsor 1 of 2 lawyers
Languages on the roster
English, Spanish

Who handles what

Offices 3

Bowmanville647-451-3232

Main Office: 109 Liberty Street North, Bowmanville ON L1C 2L8

Brighton647-451-3232

By appointment only: 10 Rogers Road, Brighton ON K0K 1H0

Oshawa647-451-3232

Key Drop Off Only (No regular business hours): 525 Miller Avenue, Oshawa ON L1J 2S9

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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 ↗