Thorsteinssons LLP – Toronto, ON

Canada’s Premier Tax Law Firm

Thorsteinssons LLP is widely recognized as Canada’s largest law firm dedicated exclusively to the practice of tax law. Established in 1964, the firm has built an unparalleled reputation for excellence in handling complex domestic and international tax matters. With offices in Toronto, Ontario and Vancouver, Thorsteinssons serves a diverse client base ranging from multinational corporations and private businesses to high-net-worth individuals. The firm’s lawyers are consistently ranked among the best in the country, known for their deep technical expertise and strategic approach to tax planning and litigation.

Specialized Tax Expertise

Unlike general practice firms, Thorsteinssons focuses entirely on taxation. This specialization allows them to stay ahead of the constantly evolving tax landscape. Their comprehensive services include:

• Tax Litigation: Representing clients at all levels of court, including the Tax Court of Canada and the Supreme Court of Canada, as well as in disputes with the CRA.
• Corporate Tax Planning: advising on the tax implications of mergers, acquisitions, reorganizations, and cross-border transactions.
• International Taxation: Helping clients navigate the complexities of doing business globally, including transfer pricing and foreign affiliate rules.
• Sales and Commodity Tax: Providing guidance on GST/HST, provincial sales taxes, and customs matters.
• Estate Planning: crafting tax-efficient strategies for wealth preservation and succession planning.

Thorsteinssons is the firm that other lawyers turn to when they encounter difficult tax issues. If you are facing a serious tax dispute or need sophisticated planning advice, you can hire a lawyer here who possesses the specific knowledge required to protect your interests. The firm offers a professional environment where client confidentiality and success are paramount.

Located in Brookfield Place

The Toronto office is located at 181 Bay Street, within the prestigious Brookfield Place complex (Bay Wellington Tower). This prime location in the heart of the Financial District connects the firm to the city’s major financial institutions and the underground PATH network. It is easily accessible via Union Station, making it convenient for clients from across the GTA.