About North Wellington Law

Deverell & Lemaich is a general practice law firm rooted in Mount Forest, a town in the northern part of Wellington County. The practice is operated by G.W. Deverell, Q.C., Professional Corporation, and it serves the surrounding rural communities from two offices, one on Main Street South in Mount Forest and a second on Elora Street South in Harriston. Its everyday work covers the matters small towns and farm families deal with most: real estate transactions, wills and powers of attorney, estate administration, and corporate and commercial law.

The firm's roots in the area run deep. Guildford W. Deverell (BA, LLB, QC) was born and raised in Mount Forest and has practised law there since the 1960s, working from the same building that still houses the office today. Wills and estates, real estate, and corporate law are the founder's main focus. Two associate lawyers, J. Brady Cunningham (BSc, JD) and Eva M. Cunningham (BA, JD), round out a small team that keeps the firm's legal help close to home for clients across north Wellington.

Practice areas

Not listed

Milestones & recognition

  • Guildford W. Deverell has practised law in Mount Forest since the 1960s, from the same Main Street building the firm still occupies.
  • The practice operates as G.W. Deverell, Q.C., Professional Corporation.

Good to know

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

The neighbourhood

The Mount Forest office sits at 166 Main Street South, on the downtown spine of a community in Wellington North township. Mount Forest is one of the higher towns in southern Ontario, set near the headwaters of the South Saugeen River where Highways 6 and 89 meet. Its Main Street carries the town's civic landmarks, among them a Wellington County Library branch that has served readers since 1913 and the Mount Forest Museum & Archives. The firm has worked from the same block since the 1960s, so it's a familiar address downtown.

The firm also keeps a second office in the neighbouring Town of Minto, on Elora Street South in Harriston. Harriston sits at the headwaters of the Maitland River, and Elora Street is its commercial and cultural corridor, home to shops and the Town Hall Theatre. The town's Carnegie library stands a block over on Mill Street, with the Minto Arts Council gallery on its third floor. That second address lets the firm reach clients across the northern reaches of Wellington County without everyone having to travel to Mount Forest.

Frequently asked questions

Can Deverell & Lemaich help me buy or sell a property in Mount Forest?
Yes. Real estate is one of the firm's main practice areas, and it handles property transactions from its Mount Forest office at 166 Main Street South. You can call (519) 323-1600 to get started.
Can the firm prepare my will and powers of attorney?
Yes. Wills and powers of attorney are among the firm's core services, alongside estate administration. It's the kind of everyday planning work the Mount Forest office handles regularly.
Does Deverell & Lemaich handle estate administration?
Yes. Estate administration is one of the firm's listed practice areas, so it can help executors and families work through an estate.
I'm starting a business in the area. Can the firm help?
Yes. The firm's practice includes corporate and commercial law, so it can assist with incorporating a company and other business matters for local clients.
Does the firm have an office in Harriston?
Yes. Along with the Mount Forest office, the firm keeps a second office at 2 Elora Street South in Harriston, in the Town of Minto. That office can be reached at (519) 338-2503.
What are the firm's hours and how do I reach the Mount Forest office?
The Mount Forest office is open Monday to Thursday from 9 a.m. to 5 p.m. and Friday from 9 a.m. to 4 p.m. It's at 166 Main Street South and can be reached at (519) 323-1600.

Where to find them

166 Main St S, Mount Forest, ON N0G 2L0

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Listing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗