Overview
BlackLine is a financial close platform founded in 2001 in Woodland Hills, California by Therese Tucker (former CTO at SunGard Treasury Systems). The company was acquired by Thoma Bravo for approximately $6.4 billion in late 2023 (taken private). BlackLine had previously acquired Runbook ($34M, 2016), Rimilia ($150M, 2020), and WiseLayer (December 2025), serving 4,400+ companies globally.
Highlights
- Founder story: Therese Tucker’s SunGard Treasury Systems CTO experience driving vision
- “Continuous Accounting” concept: Embedding real-time automation into daily activities vs. month-end crunch
- Thoma Bravo ownership: ~$6.4B take-private (late 2023)
- Acquisition strategy: Runbook (task management), Rimilia (AR automation), WiseLayer
- Technical foundation: Cloud-based on Google Cloud Platform, ISO 27001 certified
- Verity AI: AI capabilities for enhanced automation
- “Think, Create, Serve” philosophy: Replacing Excel-based processes
- Notable customers: Costco, Netflix, Coca-Cola, JetBlue, Google, Kraft Heinz
- Use cases: Account reconciliation, journal entry automation, variance analysis, compliance
Founded
2001 in Woodland Hills, California. Founded by Therese Tucker (former CTO at SunGard Treasury Systems).
Headquarters
Woodland Hills, California.
Ownership and funding
Acquired by Thoma Bravo for ~$6.4B (late 2023, taken private). Acquired Runbook ($34M, 2016), Rimilia ($150M, 2020), WiseLayer (December 2025).
Core technology
“Continuous Accounting” embedding real-time automation into daily activities. Cloud-based on Google Cloud Platform. Verity AI capabilities. ISO 27001 certified.
Market position
Enterprise and midsize; 4,400+ companies globally.
Product philosophy
“Think, Create, Serve”, replacing Excel-based processes with automated workflows.
Notable customers
Costco, Netflix, Coca-Cola, JetBlue, Google, Kraft Heinz.