Blue J secures $122m Series D funding for AI tax platform
Blue J, a generative AI (genAI) tax research platform, has raised $122m (C$168.26m) in a Series D funding round led by Oak HC/FT and Sapphire Ventures.
The funding round also included participation from Intrepid Growth Partners and previous investors Ten Coves Capital and CPA.com.
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It will be used to support Blue J’s efforts to expand its team, enhance product development and increase market reach.
Blue J’s platform uses genAI to provide answers to complex tax questions across US federal, state and local tax, as well as Canadian and UK tax law.
Built on a curated database of authoritative tax law, Blue J’s system improves by learning from millions of user queries each year.
Blue J CEO and co-founder Benjamin Alarie said: “We are thrilled to partner with Sapphire Ventures, Oak HC/FT, Ten Coves, CPA.com, and Intrepid Growth Partners – firms with exceptional track records of backing market-defining companies.
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By GlobalData“Their commitment is a powerful endorsement of our vision to transform tax research. With this capital and industry support, we will accelerate innovation and deliver even greater value to tax professionals. We are building the future of tax. This is just the beginning.”
Blue J’s interface is designed to allow users to ask tax questions conversationally, without the need for complex syntax.
The platform delivers answers with relevant source citations.
Oak HC/FT partner Allen Miller said: “Tax research has long been a cumbersome, time-consuming task. Blue J has solved this challenge with an elegant AI solution that dramatically accelerates research while raising the bar for accuracy.
“We believe Blue J will become the new standard for complex tax questions – and we are proud to support Ben and the team in their next stage of growth.”
Blue J said that its revenue and customer base more than doubled in the first half of 2025.
The Series D round follows Blue J’s December 2024 Series C.
Since January 2025, Blue J has grown to over 80 employees and more than doubled its rate of new customer acquisition, the company said.
Earlier this year, CPA.com collaborated with Blue J to provide companies of all sizes with access to an AI-powered tax research solution.
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