We are Niagara’s largest pre-eminent law firm.

Our Firm has established a tradition of integrity, skill and professionalism in all that we do. Our Lawyers have earned a reputation for excellent service, dedication, commitment and results. We firmly believe in professional development and strive to continually learn and grow to better serve you, our clients. Sullivan Mahoney LLP is also dedicated to public involvement. Our men and women contribute to our communities through donations, sponsorships and participation on volunteer organizations and committees.

Explore our site to learn more about who we are and how we can help you.