Thomson Reuters has announced two cutting edge agreements to bolster their tax reporting and document processing capabilities. They will partner with Simplify Digital Asset Tax Reporting for Business to integrate digital asset tax reporting directly into the ONESOURCE platform. Thomson Reuters has also acquired Additive, a specialist in AI-powered Tax document processing by streamlining ingestion and parsing of pass-through entity documents.
Thomson Reuters and Ledgible Announced Partnership
Thomson Reuters, a global content and technology company, announces a partnership with Ledgible, the leading platform for digital asset tax and accounting. The partnership integrates Ledgible's digital asset tax expertise with Thomson Reuters ONESOURCE Tax Information Reporting (OTIR) platform. The combined solution automates transaction tracking, cost basis reporting, and regulatory compliance for cryptocurrency transactions.
OTIR streamlines the process of filing Tax Information Reporting to the IRS, the States and localities allowing mass reporting to be handled in an automated way. Ledgible streamlines digital asset tax compliance with an API-driven solution that automates digital assets transaction normalization, cost basis tracking, and crypto accounting.
Built on the trusted Thomson Reuters tax infrastructure, OTIR reduces risk, ensures Crypto Brokerage reporting and the new Form 1099-DA readiness, and integrates seamlessly with platforms like Ledgible—delivering accurate, future-proof reporting with less manual effort.
"The digital asset landscape is evolving rapidly, and our clients need robust, reliable solutions to navigate the complexities of tax compliance," said Ray Grove, Head of Product, Tax and Trade at Thomson Reuters. "Our partnership with Ledgible directly addresses this need, particularly with the impending new crypto brokerage reporting and Form 1099-DA requirements. By combining Ledgible's deep expertise in digital asset tax and accounting with the comprehensive capabilities of Thomson Reuters ONESOURCE Tax Information Reporting, we are providing a proven powerful solution that simplifies a highly intricate process, minimizes risk, and ensures our customers are prepared for upcoming regulatory changes."
The partnership addresses new IRS requirements for Crypto Brokerage reporting including the new Form 1099-DA, which digital asset brokers must use starting in 2025 to report cryptocurrency transactions. By combining Ledgible's digital asset expertise with Thomson Reuters tax compliance technology, businesses can automatically pull crypto data from the various sources, normalize it, calculate cost basis, track tax lots, and report required information to the IRS and the states, reducing manual work and ensuring compliance with evolving regulations.
"Our mission at Ledgible is to simplify digital asset tax and accounting, and this partnership with Thomson Reuters marks a significant step forward in achieving that goal," said Kell Canty, CEO of Ledgible. "By combining our specialized expertise in digital asset cost basis and tax reporting with Thomson Reuters industry-leading tax compliance infrastructure, we are providing an unparalleled solution. This will empower businesses to confidently meet the stringent demands of the crypto brokerage reporting regulations and the new Form 1099-DA, ensuring accuracy and reducing compliance burdens for our joint customers."
This collaboration represents one of many strategic technology partnerships Thomson Reuters is pursuing to enhance product capabilities and deliver next-generation solutions that address our customers' most pressing challenges.
For more information, visit: https://tax.thomsonreuters.com/en/onesource/tax-information-reporting/federal-state-tax
Thomson Reuters acquires Additive
Thomson Reuters, a global content and technology company, has acquired Additive, a San Francisco-based startup, founded in 2023, that uses cutting-edge AI to automate tax document processing for tax and accounting professionals.
Additive’s 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.
“In a profession under mounting pressure to do more with less—amid staffing constraints, rising client expectations, and compressed filing timelines—driving greater efficiency is imperative. Schedule K1s are among the most labor-intensive forms tax professionals handle. We’re delighted to bring our customers critical K1 ingestion capabilities with Additive to save time while maintaining high accuracy,” said Elizabeth Beastrom, President of Tax and Accounting Professionals at Thomson Reuters. “AI-powered solutions are the future of the profession, and Additive’s solution helps professionals focus their time where judgment matters most—reclaiming capacity, elevating advisory work, and delivering faster, with confidence.”
“From day one, our mission at Additive has been to remove the friction that keeps tax and accounting professionals from doing their best work,” said Dwight Crow, Chief Executive Officer and co-founder of Additive. “As part of Thomson Reuters, we can now put our AI-powered document processing capabilities in the hands of many more firms, faster. Together, we’ll accelerate our vision, and leverage Thomson Reuters scale.”
Disclosures:
Feature content adapted from official Thomson Reuters press releases dated September 15 and 16, 2025. This adapted Insightful Accountant content is provided for informational and educational purposes.
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. Thomson Reuters is at the forefront of delivering professional-grade AI, including agentic AI, in the fields of legal, tax, trade, accounting, risk, fraud, compliance, and news. For more information, visit tr.com.
Additive empowers accountants in the asset and wealth management industry with AI tools that transform tax return preparation. The company’s 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.
The Ledgible platform is built from the ground up to streamline digital asset tax information reporting and compliance. Ledgible ensures compliance for digital assets for some of the largest financial institutions in the world, including a top 5 US bank, investment firms with $1B+ AUM, and top 10 crypto exchanges. As a SOC 1 & 2 Type 2 Certified platform, Ledgible is the trusted provider of choice for compliance.
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