K1x, Inc., a leading fintech company, has introduced Aggregator Plus, an advanced upgrade to its K1 Aggregator platform, designed to streamline tax document processing for accounting firms, investment funds, and family offices. By incorporating automated Form 1099 data extraction alongside its patented AI-powered Schedule K-1 processing, Aggregator Plus addresses the challenges of handling over 40 million K-1s and 44 million 1099-Ks filed annually, enhancing efficiency and reducing audit risks.
K1x launches Aggregator Plus, adding Form 1099 data extraction to its AI-powered tax platform.
Streamlines processing of 40 million K-1s and 44 million 1099-Ks annually.
Designed for accounting firms, investment funds, and family offices to reduce manual workloads.
Features 100% digitization of tax elements with executive summary views.
Integrates seamlessly with existing K1 Aggregator workflows.
Available to Early Access Program in June 2025, general release in July 2025.
Aggregator Plus leverages K1x’s patented AI technology to automate data extraction for both Schedule K-1 and Form 1099 documents. This upgrade tackles the increasing complexity of tax compliance, particularly for organizations managing high volumes of investor tax documents across multiple entities and asset classes. By automating these processes, Aggregator Plus reduces manual errors and frees up time for tax professionals to focus on strategic growth initiatives.
The platform integrates effortlessly into existing K1 Aggregator workflows, requiring no separate implementation. This optional upgrade ensures that users can adopt advanced 1099 automation without disrupting their current systems. Aggregator Plus also supports aggregation and reporting across federal, state, and international tax requirements, providing a unified solution for complex compliance needs.
K1x’s solutions are trusted by over 8,000 organizations, including 44 of the top 100 institutional investors, 20 of the top 25 accounting firms, and 45 of the top 100 university endowments. Aggregator Plus strengthens K1x’s position as a leader in tax compliance automation, offering tools that address the pain points of fragmented workflows and tight deadlines.
“K1 Aggregator stands alone in its ability to address the needs of overworked tax professionals facing unsustainable K-1 volume and complexity,” said John LaMancuso, CEO of K1x. “Now, with 1099 automation in Aggregator Plus, we’re removing even more manual processing burdens from tax teams so they can redeploy those same hours on growth opportunities for their own organizations.”
The introduction of Aggregator Plus marks a significant step in tax automation, empowering organizations to manage complex tax documents efficiently. With its Early Access Program launching in June 2025 and general availability in July 2025, K1x continues to drive innovation in the fintech space, delivering scalable solutions for modern tax challenges.
A Fast Company Most Innovative Companies 2025 honoree, K1x is building THE intelligent tax automation platform. Our patented, AI-powered SaaS solution handles the extraction and distribution of tax data from complex documents like Schedule K-1s, K-3s, 990s, and 1099s–automating tax compliance and tax insights.
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