Velocity Catalyst Fund · Mar 2026
Investment announcement with traction claims, customer reference details, and market framing.
Company research
Public company, workplace, funding, and market signals
Overview
FullSeam is a New York–based, Y Combinator-backed startup building AI agents that act as finance and accounting teammates, automating AR, AP, cash application, reconciliation, and quote-to-cash work inside existing systems.
Primary product
AI-powered finance and accounting agents
Founded
2026
Headquarters
New York, New York, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
AI-powered finance and accounting automation
Business model
B2B SaaS
AI workflow automation
Enterprise software
Funding
Stage
Seed
Total raised
$500K
Latest round
Seed · Mar 2026
People & investors
Work & culture
Product & market
Pricing
Not publicly listed; demo-led / custom quote.
Differentiators
- —Executes finance work as an operator rather than just providing dashboards or recommendations.
- —Works within existing ERP, billing, accounting, CRM, and spreadsheet stacks without rip-and-replace.
- —Keeps actions auditable and configurable with approval workflows and guardrails.
- —Handles exceptions and edge cases instead of brittle happy-path automation.
- —Deploys in days, not months.
- —Covers AR, AP, cash application, reconciliation, and related quote-to-cash workflows.
Technology
AI agents
AWS
TLS 1.2+
WAF
secret vaults
audit logs
QuickBooks Online
NetSuite
Stripe
ERP integrations
CRM integrations
billing system integrations
bank feeds
spreadsheets
Customers
Deferred
Belfry Software
Competitors
WRITER
UnifyApps
Uniphore
Scale & contact
Estimated revenue
Under $1M ARR (public cARR of $185k reported in March 2026)
Estimated monthly visits
1.3K
Traffic estimate as of Jun 2026
Latest news
Fondo · Feb 2026
Third-party launch coverage describing the product, founders, and finance workflows targeted.
Y Combinator on LinkedIn · Feb 2026
YC’s LinkedIn post summarizes the launch, product scope, and founding team.
Hiretop · Feb 2026
News write-up on FullSeam’s approach to acting as an AI employee for finance teams.
Y Combinator · Feb 2026
Official launch post describing FullSeam’s AI agents for AR/AP and related finance workflows.
Jobs and careers at FullSeam
0 jobs at FullSeam
No open positions
Check back later for new openings