AI agent that handles complex billing and revenue from Slack
HQ: San Francisco, CA | Founded: 2023 | Employees: 8 | Stage: Seed | Website: https://www.ledgerup.ai
LedgerUp provides an AI agent ('Ari') that handles the entire post-signature revenue lifecycle from within Slack. Ari reads contracts, creates subscriptions in Stripe, sends invoices on schedule, chases overdue payments with contextual follow-ups, submits invoices to procurement portals (Coupa, Ariba, Bill.com, Tipalti), reconciles revenue across HubSpot, Salesforce, NetSuite, and QuickBooks, and answers billing questions over email. B2B SaaS companies using LedgerUp cut DSO by 35% on average and save 30-40 hours per week on AR work. SOC 2 Type II certified. Founded in 2023 by Bailey Spell (CEO), Danny Torney (CTO), and Joseph Johnson. Spell leads the company. Torney previously worked at Microsoft (selected by Office CTO to integrate agents into Office) and was first engineering hire at a seed-stage workflow automation startup (grew from $0 to $120K ARR). Johnson had a finance career spanning semiconductors, EVs, and served as controller/director of finance helping take a company public on NASDAQ. He discovered AI in 2023 when he used ChatGPT-4 to write his 90-page SEC filing section in 3 days, realized AI would transform finance, moved to SF, quit his job, and started LedgerUp. Johnson left the company in September 2025. YC Summer 2024 batch. Raised ~$1.1M from Y Combinator and Strategxy Ventures. SOC 2 Type II compliant. Most customers live in under a week.
LedgerUp has a compelling product — an AI agent ('Ari') that lives in Slack and handles the full billing/revenue lifecycle. The '35% DSO reduction' metric is strong. SOC 2 Type II is a good trust signal for B2B SaaS companies. Joseph Johnson (early founder with finance background) left in 2025, which could be a disruption. Key risk: competing with Stripe Billing, Chargebee, and other billing platforms that are adding AI features.
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