
K1x is the intelligent tax infrastructure for private markets. Its patented, AI-powered SaaS platform digitizes, validates, and distributes tax data from IRS K-1s, 1099s, and W-2s, and streamlines IRS-certified 990 e-filings—eliminating manual rekeying and PDF-driven workflows that slow compliance and introduce risk. Designed for the complexity of private-market tax operations, K1x connects investors, accounting firms, tax software, and taxing authorities in a single, seamless data workflow. By compressing tax cycle times and improving data accuracy, the platform brings speed, clarity, and confidence to an industry under constant deadline pressure. Trusted by many of the largest institutional investors, leading accounting firms, private foundations, university endowments, and health systems, K1x helps tax professionals reclaim time from repetitive work so they can focus on higher-value analysis, planning, and client service.