TORONTO, September 16, 2025 \u2013 Thomson Reuters Corporation (\u201cThomson Reuters\u201d) (TSX\/Nasdaq: TRI), a global content and technology company, today announced it has acquired Additive. The San Francisco-based startup, founded in 2023, uses cutting-edge AI to automate tax document processing for tax and accounting professionals.<\/p>\n
Additive\u2019s GenAI-native platform streamlines the repetitive, time-consuming task of ingesting and parsing pass-through entity documents, including Schedule K-1 federal tax forms, during tax preparation workflows. This transaction complements Thomson Reuters existing tax workflow automation capabilities.<\/p>\n
\u201cIn a profession under mounting pressure to do more with less\u2014amid staffing constraints, rising client expectations, and compressed filing timelines\u2014driving greater efficiency is imperative. Schedule K1s are among the most labor-intensive forms tax professionals handle. We\u2019re delighted to bring our customers critical K1 ingestion capabilities with Additive to save time while maintaining high accuracy,\u201d said Elizabeth Beastrom, President of Tax and Accounting Professionals at Thomson Reuters. \u201cAI-powered solutions are the future of the profession, and Additive\u2019s solution helps professionals focus their time where judgment matters most\u2014reclaiming capacity, elevating advisory work, and delivering faster, with confidence.\u201d<\/p>\n
\u201cFrom day one, our mission at Additive has been to remove the friction that keeps tax and accounting professionals from doing their best work,\u201d said Dwight Crow, Chief Executive Officer and co-founder of Additive. \u201cAs part of Thomson Reuters, we can now put our AI-powered document processing capabilities in the hands of many more firms, faster. Together, we\u2019ll accelerate our vision, and leverage Thomson Reuters scale.\u201d<\/p>\n
Thomson Reuters<\/p>\n
Thomson Reuters (TSX\/Nasdaq: TRI) informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. The company serves professionals across legal, tax, accounting, compliance, government, and media. Its products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news. For more information, visit tr.com<\/a>.<\/p>\n About Additive<\/p>\n Additive empowers accountants in the asset and wealth management industry with AI tools that transform tax return preparation. The company\u2019s technology automates complex tasks such as extracting footnotes from K-1s, K-3s, and related forms, so every staff member can become a reviewer and complete work that used to take weeks in a matter of hours. For more information, visit additive.ai<\/a>.<\/p>\n CONTACTS\u00a0<\/p>\n MEDIA<\/p>\n Kirsty Bennett INVESTORS<\/p>\n
Communications Director, Tax and Accounting Professionals
+44 7786 005 128
kirsty.bennett@thomsonreuters.com<\/a><\/p>\n