Afternoon.co
Afternoon provides managed bookkeeping, taxes and compliance for AI startups with complex revenue and inference-cost structures.
Company research · 7 profiles
YC accounting and finance companies across cohorts
Compare seven YC companies spanning accounting, internal audit, finance operations, and risk, grouped by the work they do and the buyer they serve.
Ali Abouelatta
Cofounder of Lazyweb (a16z Speedrun). Previously grew subscriptions and built native ads at Duolingo. Writes First1000 (90,000+ subscribers).
Cranston AI
Cranston automates repetitive tax, bookkeeping and client-follow-up work for CPA firms, with reviewer approval before filing or sending.
Balance
Balance keeps SMB books current with AI agents and named accountants who own the judgement and sign-off.
Arden
Arden targets internal-audit and SOX teams with evidence collection, control testing and audit-ready workpapers.
Finto
Finto adds AI agents to high-volume invoice processing and connects exceptions and approvals back to enterprise ERP systems.
Cifrato
An agentic accounting workflow that keeps human review on exceptions and source traceability.
RiskCube
America’s first AI-native reinsurer for emerging risks.
How this collection was assembled
Curated researched sample from the 2026-09-19 company inventory; not the full accelerator roster. Membership follows the stated source fields and public descriptions. Where SPC appears, company-directory association is not a Fellowship cohort; where LAUNCH appears, categories are editorial unless the provider exposes them.
- https://www.ycombinator.com/companies
- https://www.ycombinator.com/companies/afternoon-co
- https://www.ycombinator.com/companies/cranston-ai
- https://www.ycombinator.com/companies/getbalance
- https://www.ycombinator.com/companies/arden
- https://www.ycombinator.com/companies/finto-de
- https://www.ycombinator.com/companies/cifrato
- https://www.ycombinator.com/companies/riskcube