Lerners LLP
6 lawyers · Established 1929 · Middlesex County (London), City of Toronto, Waterloo Region
One of 4 law firms listed in Strathroy, and one of 3 handling Personal Injury.
Virtual appointments
Virtual appointmentsAbout Lerners LLP
Lerners LLP is a full-service Ontario law firm that began in 1929, when Mayer Lerner opened the practice. Sam Lerner joined about a decade later, and the firm grew to more than 140 lawyers and over 300 support staff. Today it runs four Ontario offices: London, Toronto, the Waterloo Region, and Strathroy.
London is still the firm's home, with nearly a century of continuous presence in the city. The Waterloo Region office, in downtown Kitchener, is a newer addition. Its team advises startups, scale-ups, and technology companies on corporate structuring, financing, intellectual property, and commercial agreements, and it also handles personal injury and family matters. So a Kitchener client works with a local office backed by a firm that's practised across Ontario for decades. Lawyers at Lerners are recognized by Chambers Partners, Lexpert, and Best Lawyers in Canada, and the firm has acted as counsel before the Ontario Court of Appeal and the Supreme Court of Canada.
Practice areas
Milestones & recognition
- Founded in 1929 by Mayer Lerner.
- Sam Lerner joined the practice about a decade later.
- Grew into a full-service firm with more than 140 lawyers and over 300 support staff across four Ontario offices.
- Lawyers at the firm are recognized by Chambers Partners, Lexpert, and Best Lawyers in Canada.
- The firm has acted as lead counsel before the Ontario Court of Appeal and the Supreme Court of Canada.
In the community
- Lerners supports more than 40 charities, foundations, non-profits, and local organizations across Ontario.
Good to know
Wheelchair accessible
LGBTQ+ friendly
Virtual appointments
By appointment
In-person servicesFees & payment
ContingencyLawyers 6
This firm’s lawyers at a glance
- Called to the bar
- 2014–2025 · median 5 years in practice 4 of 6 lawyers
- Law schools
- Osgoode Hall Law School, University of Ibadan, University of Ottawa, University of Western Ontario 4 of 6 lawyers
Who handles what
Offices 7
The neighbourhood
The Waterloo Region office sits at 305 King Street West, Suite 301, in the heart of downtown Kitchener. Kitchener and neighbouring Waterloo form the core of the Toronto-Waterloo technology corridor, home to a dense cluster of startups, scale-ups, and established tech companies. That setting matches the office's work: the team advises founders and growing companies on corporate structuring, financing, intellectual property, and commercial agreements, so a downtown address keeps it close to the businesses it serves. The same office also handles personal injury and family matters for people across the region.
Frequently asked questions
- Does Lerners have an office in the Waterloo Region?
- Yes. The Waterloo Region office is at 305 King Street West, Suite 301, in downtown Kitchener. Lerners is a full-service Ontario firm founded in 1929, and it also has offices in London, Toronto, and Strathroy.
- I'm launching a startup in Kitchener. Can Lerners help with incorporation and financing?
- Yes. The Kitchener-Waterloo team focuses on startups, scale-ups, and technology companies, advising on corporate structuring, financing, and commercial agreements.
- Can Lerners help protect my company's intellectual property?
- Yes. The Waterloo Region office advises technology clients on intellectual property alongside its corporate and commercial work.
- Does the Kitchener office handle personal injury or family law, or only business matters?
- Both. Along with its work for startups and tech companies, the Waterloo Region office handles personal injury and family law matters.
- How large is Lerners and how long has it been practising?
- Lerners has more than 140 lawyers and over 300 support staff across four Ontario offices. It was founded in 1929, so it has practised in Ontario for over 95 years.
- How do I reach the Waterloo Region office?
- The office is at 305 King Street West, Suite 301, Kitchener, ON N2G 1B9. You can also reach the firm through the contact page on lerners.ca.
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Tax LawListing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗