Patented AI Tax Automation Software for
K-1s | 1099s | W-2s | 990s
PRIVATE MARKET TAX DATA. DIGITIZED. DISTRIBUTED. DECODED.
End-to-end tax data operations for private markets — beyond extraction
Built for tax pros who deserve better than nights and weekends processing K-1s and 990s in volume
Eliminate K-1 rekeying and spreadsheet reconciliation
Compress busy season cycle times without hiring
Keep your existing tax suite while modernizing operations
Data on demand and visible
Reduce friction with accounting firms and fund admins
Standardize K-1 intake across portfolio entities
Structured K-1 data automation
Reduce friction with accounting firms and investors
Scale without adding headcount
Streamline 990 preparation and filing
Reduce risk from manual data handling
Improve compliance visibility across entities
Your tax stack. Your tax data. Your way.
The vendor-neutral tax data operations solution for private markets.
No vendor lock-in. No forced migrations.
Go beyond the face page from intake to insights. Turn tax forms into structured, digital data: decoded, validated, produced, and ready to move.
Keep your tax suite.
Fix your private market data problem.
eXtract K1, 1099, W-2 data. Cut 90% manual work.
eXecute digital K-1 production — standardized and distribution-ready
eXpand top-line growth with your newly free time
eXpedite IRS-approved 990 e-filing
eXchange K-1’s at scale with
eXceptional APIs & custom XLS reports


50% Saved
Time-savings from K-1 automation using K1x
Awards for Tax Data Excellence






~100%
ACCURACY
Proven results.
The only patented, AI-powered platform that streamlines alternative investment & private market tax data distribution for investors and advisors. Battle-tested by the best. Trusted by more than 40,000 organizations.
66%
CYCLE
TIME
REDUCTION
Accounting Alliances & Associations
K1x is a member of premier accounting associations -extending our powerful capabilities to larger networks for knowledge sharing, education, and advocacy.



TAKE THE K1 TEST DRIVE
Don’t just see it. Do it!
Drag. Drop. Digitize.
Distribute. Decode.
Proven results.
K1x is battle-tested by the best, and trusted by more than 40,000 organizations, with clients including:
80
K-1s EXTRACTED
IN JUST 8 MINUTES
47
STATE & FEDERAL
TAX JURISDICTIONS
410
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
K1x FAQ
What is K1x and how does it transform tax operations?
K1x is the leading AI-powered tax technology platform designed to digitize, standardize, and automate complex private market tax data. By using patented machine learning to extract data from K-1s, 1099s, and 990s, K1x creates a connected data layer that eliminates manual entry and accelerates the filing process for over 40,000 organizations.



