Eliminating Tax Data Drudgery to Unlock Growth
K1x is the patented, AI-powered platform that takes tax data from intake to insights for private markets. A Fast Company Most Innovative Companies 2025 honoree and US Fintech Award winner for Best Accounting Tech, K1x streamlines the extraction, validation, and delivery of K-1s, 1099s, W-2s, and 990s—eliminating the nights-and-weekends data drudgery of keying, collating, and copy-pasting so professionals can file faster and focus on strategic, higher-value work.
Our dedicated K1xperts work tirelessly to give you the freedom to take back your time, unleash your talent, and turn tax compliance chaos into growth opportunities.



OUR PRODUCTS
K1x’s products may be covered by one or more patents issued in the U.S. and/or elsewhere.
The following webpage is provided to satisfy the virtual patent marking provisions under 35 U.S.C. 287(a):
Learn more about K1x patents here
Awards






Proven results.
K1x is battle-tested by the best, and trusted by more than 40,000 organizations, with clients including:
80
K-1s DATA EXTRACTED
IN JUST 8 MINUTES
47
STATE & FEDERAL
TAX JURISDICTIONS
259
TAX FORMS FOR
42 FEDERAL & STATE
TAX JURISDICTIONS
44
OF THE TOP 100
INSTITUTIONAL INVESTORS
20
OF THE TOP 25
ACCOUNTING FIRMS
51
OF THE TOP 100
NON PROFITS
45
OF THE TOP 100
UNIVERSITY ENDOWMENTS
8
OF THE TOP 40
HEALTH SYSTEMS
11
OF THE TOP 100
PRIVATE FOUNDATIONS
CERTIFIED BY:



CONNECTED:






Senior Leadership
Board of Directors
K1x has assembled an exceptional board of directors to lead our growth. From B2B fintech SaaS experts, to AI and automation patent holders in tax transformation, to former heads of US Treasury and the IRS, the future for K1x and for our customers could not be brighter.