Sullivan Mahoney LLP is the largest and pre-eminent full service law firm in the Niagara Region.

The Firm has established a tradition of integrity, skill and professionalism in a wide range of legal services to individual, institutional and corporate clients. Our lawyers have earned an unsurpassed reputation for traditional service, thorough and pragmatic legal advice and complete commitment to the client. Our size permits specialization amongst our lawyers into practice groups that provide knowledgable and innovative problem solving advice to our diverse client base.

Sullivan Mahoney LLP is dedicated to the professional development and public involvement of its lawyers and support staff. Our men and women contribute to the communities we serve through participation on volunteer organizations and committees.