Blue Onion alternatives
TL;DR: 12 companies doing similar work to Blue Onion in B2B, ranked by how closely they match what Blue Onion actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Blue Onion. They are scored on how closely their own description overlaps with Blue Onion's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Blue Onion?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Scanate/Fellow | API for Invoice Financing | Summer 2016 | 2 | Inactive |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Minerva | AI native financial institution | Spring 2025 | 5 | Active |
| Sigma | Lakehouse-as-a-Service (LaaS) for pre and post-acquisition | Fall 2026 | 2 | Active |
| Rima AI (formerly Garage) | Document and spreadsheet automation for accountants | Summer 2022 | 5 | Active |
| Billow AI Labs | AI-native Accounting Firm that's killing Deloitte | Summer 2026 | — | Active |
| Finmark | Financial planning software for startups | Summer 2020 | 14 | Acquired |
| BHRD | BHRD ("Be Heard") helps public companies communicate with investors. | Summer 2018 | 3 | Inactive |
| Finnt | AI Agents for CFO and Finance teams | Winter 2022 | 4 | Inactive |
| Rex | AI-native BPO for enterprise order-to-cash | Summer 2026 | 2 | Active |
| Blixo | Accounts receivable automation to help companies get paid faster | Summer 2021 | 2 | Active |
Is Blue Onion still active?
Blue Onion is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Blue Onion. They are then ranked on how closely their own description overlaps with Blue Onion's, so the closest matches come first rather than whoever happens to share a tag.