About OMH

Our Door is Always Open.

O’Connor MacLeod Hanna, also widely known in the community as OMH, is the largest full-service law firm in Halton.

The firm’s origins go back more than 50 years. Located in the heart of Oakville, we serve the Greater Toronto Area community and beyond. As a client-focused team, we listen, care, and understand our client’s needs. We partner with our clients to develop strategic legal solutions supported by exceptional client service and a standard of excellence.

As a full-service law firm, we offer a wide range of expertise in business law, real estate, litigation and dispute resolution, labour & employment, municipal & land development, expropriation, and wills, trusts & estates. 

Oakville Waterfront

Our team is comprised of Bay Street lawyers and homegrown talent well-versed in a full complement of specialized legal services.

We compete with the biggest and best firms in Ontario – providing top-tier legal services matched with value and results. Our lawyers are dedicated and passionate about their practices and provide clients with a wealth of knowledge that aligns with your goals, objectives, and aspirations.

Whether buying your first house, establishing or purchasing or selling a business, negotiating a severance package, or preparing a Will as part of your estate plan, an OMH lawyer will work with you to achieve your goals.