About Munn Law Firm

Munn Law Firm is a plaintiff personal injury and insurance practice led by Terrence E. Munn, who was called to the Ontario bar in 2003. The firm is based in Milton, in Halton Region, and keeps a second office in Guelph. Its work stays on one side of the ledger, representing people who've been hurt rather than the insurers on the other side. Everyday files include car accidents, slip and falls, and occupier's liability, along with long-term disability claims that have been denied or cut off. The firm also takes on more serious matters such as brain injury, chronic pain, catastrophic impairment, and wrongful death.

One detail shapes how the firm approaches a claim: the founder previously acted for insurance companies before moving to the plaintiff side, so the tactics on the other side aren't a mystery. Cases run on a contingency basis, which means there's no fee until a settlement or a judgment at trial, and a first consultation is free. When an injury makes travel hard, the firm meets clients at home, in hospital, or over video instead. It serves the Greater Toronto Area, Halton, Peel, and the communities around Guelph.

Practice areas

Personal Injury Insurance Law

Milestones & recognition

  • Terrence E. Munn, the firm's founder and principal lawyer, was called to the Ontario bar in 2003.
  • The founder earned a Bachelor of Arts in Political Science from McMaster University in 1999 and a Bachelor of Laws from the University of Windsor in 2002.
  • The practice is devoted to plaintiff personal injury and insurance litigation, and the founder previously acted on behalf of insurance companies before representing injured clients.
  • The firm's lawyer has appeared at all levels of Ontario's courts.
  • Memberships include the Advocates' Society, the Ontario Trial Lawyers Association, the Halton County Law Association, the Wellington County Law Association, and the American Association of Justice.

Good to know

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

Fees & payment

A shield with gold coins, a dollar sign and a checkmark sealContingencyA clipboard with a speech bubble and a no-charge dollar coinFree consultation

Lawyers 1

Terrence E. Munn Founder & Principal Lawyer Personal InjuryInsurance Law

Who handles what

Offices 2

Milton905-693-9977

330 Bronte Street South, Suites 116 & 117, Milton, ON L9T 7X1

Guelph519-826-9977

15 Suffolk Street East, Guelph, ON N1H 2H7

The neighbourhood

The Guelph office sits at 15 Suffolk Street East, just off Woolwich Street at the eastern edge of the city's downtown. Guelph's core is a compact grid of heritage buildings, much of it built from the warm-hued local limestone that gives the old town its look, and the historic Wellington County Courthouse stands nearby in the same district. The founder belongs to the Wellington County Law Association, so the firm has ties in this legal community alongside its main office in Milton. Because a serious injury can make a trip downtown impractical, the firm also meets clients at home, in hospital, or by video, which keeps it within reach of people across Wellington County and the wider region.

Frequently asked questions

Does Munn Law Firm charge anything upfront?
No. The firm works on a contingency basis, so there's no legal fee until your case reaches a settlement or a successful judgment at trial. A first consultation is free.
I was injured in a car accident near Guelph. Can Munn Law Firm help?
Yes. Car accident claims are a core part of the practice, including accident benefits and lawsuits against an at-fault driver. The firm serves Guelph, the surrounding region, and the Greater Toronto Area.
My long-term disability benefits were denied. Is that something the firm handles?
Yes. The firm represents people whose long-term disability claims have been denied or cut off, and a first consultation costs nothing.
What if I'm too hurt to travel to the office?
The firm visits clients at home or in hospital and can also meet by video when an injury makes travel difficult.
What kinds of injury cases does the firm take on?
Alongside car accidents and slip and falls, the practice covers occupier's liability, long-term disability, brain injury, chronic pain, catastrophic impairment, and wrongful death claims.
Where are the firm's offices?
The main office is in Milton at 330 Bronte Street South, and there's a second office in Guelph at 15 Suffolk Street East. The Guelph line is 519-826-9977.

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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 ↗