Sullivan Mahoney LLP has been the business law practice group in the Niagara region since 1953. Sullivan Mahoney LLP’s clients include Niagara’s most prominent and longstanding corporate entities and an impressive number of its small, medium-sized and growing businesses. The firm has 30 skilled lawyers and 40 legal assistants, law clerks and administrative support staff with 12 practice groups. Their lawyers have earned a reputation for excellent service, dedication, commitment and results. They have built a reputation for impeccable service, thorough and pragmatic legal advice and complete commitment to their clients. They provide advice and guidance regarding a broad range of business and legal matters. In addition, they provide strategic and cost-effective advice in their vigorous pursuit to protect and add value to client interests. Sullivan Mahoney LLP has two conveniently located offices in St. Catharines and Niagara Falls.

John Willey has practiced with Chown Cairns LLP since 1983. John Willey has expertise in commercial matters and a commitment to providing the most effective legal representation. He skillfully and aggressively represents clients in commercial transactions to maximize his client's objectives. John provides superior quality legal services to individuals, business organizations, institutions and municipal governments in the Niagara Peninsula and beyond. Chown Cairns Lawyers LLP is a full-service regional law firm based in the City of St. Catharines. The firm comprised over fifty lawyers and administrative support personnel. Their lawyers skillfully and aggressively represent clients in commercial transactions to maximize their client's objectives. They ensure creative and cost-effective solutions to help you achieve your objectives. They provide superior quality legal services to individuals, business organizations, institutions and municipal governments in the Niagara Peninsula.

Stewart House LLP is a law firm with a wide range of legal backgrounds. The core practice area draws upon their proficiencies in business law, debtor and creditor law, real property, and more. In addition, they perform various legal services in the St. Catharines and Niagara region, including wills, estates, and corporate and commercial law. Stewart House LLP prides itself on cost-effective, strategic and thorough solutions to all your legal issues. The firm's mission is to provide caring, compassionate, and creative service and strategic solutions to its clients on a friendly, cost-effective basis. They are committed to serving their client's legal interests with ethics, integrity and fairness. Their reasonable rates and fee structure reflect their commitment to any client to offer their legal expertise. The firm serves in Niagara. St. Catharines, Welland, Niagara Falls, Thorold, Fort Erie, and Grimsby.