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Quill Bills
Former SEC-filing search and Excel model tool, now medical billing
Operating as Quill AI, the company offered equity analysts question answering over SEC filings and automated updates to Excel models. In 2025 it pivoted to medical billing and practice-management software and no longer serves investment users.
GAII take
Exited the investment-management market; remove from active vendor shortlists.
Exited the investment-management market; remove from active vendor shortlists.
- Website
- quillbills.com
- Founded
- 2023
- Company type
- Startup
- Status
- Pivot — Pivoted to medical billing (2025)
- Founders
- Gabriel Banks, Kartik Donepudi
- Investors
- Y Combinator
- Buyer
- Hedge fundsAsset managers
- Asset class
- Public equities
- Workflow
- Modeling & valuationResearch & diligence
- Ai capability
- Spreadsheet-nativeSearch & RAG
- Delivery
- SaaS applicationExcel / Office add-in
GAII ID GAII-T0362 · Updated 2026-10-22 · Compiled from public sources for educational and informational purposes. Not investment advice.