Best Business Lawyers in London, ON
12 firms listed · 10 in London · 8 rated 4.5+
Data verified October 16, 2026
Lazar Law
Patrick Clancy Law
Dyer Brown
Theberge Law Professional Corporation
Humphrey Reagan
The 12 firms listed for London, ON act for businesses on incorporation, agreements between owners, commercial contracts and sales. Everything a firm says about its practice and its billing is taken from its own website, and ratings come from public reviews.

Area overview: London, ON
10 of the 12 firms we list are based in London; the other 2 serve London from Delaware (16 km). 10 of the firms on this page have a rating, from 4.2 to 5.0 across 145 reviews; 1 has 50 or more reviews and 8 are rated 4.5 or higher. Domain records put 6 websites of the firms on this page at ten or more years old; the oldest dates from 1998. 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for 10 of the firms on this page; 7 publish a contact page and 5 list a public email. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Why are business law firms outside London listed on this page?
10 of the 12 firms sit at an address in London, and the rest come from other towns. Deal work travels well, so the province a lawyer is called in counts for more than the distance.