Blue J Raises $122m in Series D Funding for GenAI Tax Research Platform
Blue J, a GenAI tax research platform provider based in Toronto, Canada, has secured $122 million in Series D funding. The round was led by Oak HC/FT and Sapphire Ventures, with additional investment from Intrepid Growth Partners, Ten Coves Capital, and CPA.com. Cathy Gao, Partner at Sapphire Ventures, has also joined Blue J’s board as part of the funding.
The company plans to utilize the funds to expand its team, enhance product development, and increase its market presence. Led by CEO Benjamin Alarie, Blue J was established in 2015 to offer tax professionals in accounting firms, law firms, corporations, and government a GenAI tax research platform. This platform delivers rapid, verifiable analysis and solutions to intricate tax queries through a conversational interface and a curated library of authoritative sources.
Blue J’s platform utilizes advanced generative AI to provide instant responses to complex tax inquiries covering U.S. federal, state, and local tax (SALT), as well as Canadian and UK tax law. The company has experienced significant growth since January 2025, with over 80 employees and a substantial increase in new customer acquisition rates.