BlackLine

BlackLine

The market leader in financial close software: account reconciliations, journal entries, intercompany and consolidation for large companies, listed on Nasdaq and now rebuilding itself around agentic AI under the Verity brand.

Founded2001, Los Angeles
FoundersTherese Tucker; Owen Ryan is CEO since August 2025, Tucker retires from executive duties in June 2026 and keeps about 8% of the company
OwnershipListed on Nasdaq (BL)
RevenueAbout US$650m a year; more than 4,400 customers including a large share of the Fortune 500
Customers4,400-plus companies; deep partnerships with SAP and the Big Four
What it doesReconciliations, transaction matching, journal entries, task management, intercompany, consolidation and invoice-to-cash, on the Studio360 platform
Recent movesStudio360 platform launched 2024; Verity AI and Verity Prepare agents in 2025 and 2026; ISO 42001 certification for AI governance; co-CEO transition to Owen Ryan
PricingEnterprise contracts; not published
MarketsGlobal
PeersFloQast, Trintech, Workiva, Numeric, Maxima

Why it matters

BlackLine defined the close software category and still holds the largest enterprise base, which makes its Verity agents the incumbent’s answer to Numeric, Maxima and Stacks. Whether a 25-year-old platform can rebuild around agents faster than the startups can reach enterprise is the central contest in close automation.

Updated September 2026.

Part of Accountio’s accounting technology coverage.