About Clarke & Co.

Clarke & Co. is a small law firm in Waterloo, Ontario, run by two lawyers with support from law clerks and administrative staff. It works in real estate, business and corporate law, wills and powers of attorney, trusts, estates, and mergers and acquisitions, and it also offers independent legal advice and notary services. The name formalizes the partnership between founder Daniel J. Clarke and Mackenzie L. Mohr, who started with the firm as Clarke's law student, then articled and practised elsewhere before returning.

The practice traces back to 2020, when Clarke took over Tim Lowes' Waterloo practice after more than eight years with the firm Lowes, Salmon, Gadbois & Clarke. Since then it's taken on the books of several retiring local lawyers, including Brent Salmon, Michael Deane, John Levesque, and others, and in the fall of 2025 it acquired the retiring John Levesque's practice and renovated the office. Most of the work is everyday transactional law for people and businesses across the region: buying and selling homes and commercial property, incorporating and reorganizing companies, and drafting wills and estate plans.

Milestones & recognition

  • Daniel J. Clarke took over Tim Lowes' Waterloo practice in 2020, after practising with Lowes, Salmon, Gadbois & Clarke for more than eight years.
  • Clarke & Co. was formed to formalize the partnership between Daniel J. Clarke and Mackenzie L. Mohr, who first joined the firm as Clarke's law student.
  • The firm has taken on the practices of several retiring Waterloo-area lawyers, including Tim Lowes, Brent Salmon, Michael Deane, John Levesque, Bob Casselli, Robert Lang, and John Weber.
  • In the fall of 2025 the firm acquired the retiring John Levesque's practice and renovated the former office.

In the community

  • The firm keeps a blog on estate planning and everyday legal questions, with posts on subjects like probate versus a certificate of appointment of estate trustee and the value of low-cost retail will services.

The neighbourhood

Clarke & Co. runs from a single office at 490 Dutton Drive, Unit B5, in Waterloo. It's the base the firm has built up by taking on the practices of several retiring local lawyers, and in the fall of 2025 the office was renovated after the firm acquired John Levesque's practice. Clients reach it by phone at 519-725-2929, by email at info@clarkeco.law, or through the contact form on the firm's site.

Frequently asked questions

Can Clarke & Co. handle my home purchase or sale in Waterloo Region?
Yes. Real estate is one of the firm's core areas, covering residential and commercial purchases, sales, refinances, and leasing.
Does the firm prepare wills and powers of attorney?
Yes. Wills, powers of attorney, trusts, and estate administration are a main focus, and the firm's blog regularly covers estate planning topics.
I'm incorporating or selling a business. Can Clarke & Co. help?
Yes. The firm handles business and corporate work such as incorporations, contracts, reorganizations, and succession planning, as well as mergers and acquisitions.
Does the firm offer notary services and independent legal advice?
Yes. It provides notarizing and commissioning by appointment, and independent legal advice or representation for people who need to understand a document before they sign it.
Where is Clarke & Co. and how do I get in touch?
The office is at 490 Dutton Drive, Unit B5 in Waterloo. You can call 519-725-2929, email info@clarkeco.law, or send a message through the contact form on the firm's site.

Where to find them

490 Dutton Drive, Unit B5, Waterloo, ON, N2L 6H7 · 519-725-2929

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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 ↗