What they do:
Marketplace for small business M&A
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HQ: San Francisco, CA, United States
Top Accounting & Finance Startups in California
This list has 72 startups and was last updated on Oct 15, 2026. 22 of them are hiring right now. Largest teams: Deel, Zip, and CaptivateIQ.
72 startupsPage 2 of 2
What they do:
AI agents for private market diligence, monitoring, and reporting
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HQ: San Francisco, CA, United States
What they do:
Making procurement easy
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HQ: San Francisco, CA, United States
What they do:
AI Tax prep and accounting software for CPA firms
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HQ: San Francisco, CA, United States
What they do:
Agents that move money, trade stocks, and file taxes.
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HQ: San Francisco, CA, United States
What they do:
AI-native internal audit firm
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HQ: San Francisco, CA, United States
What they do:
AI Brokers for Industrial Trade
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HQ: San Francisco, CA, United States
What they do:
AI for the industries that power America.
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HQ: San Francisco, CA, United States
What they do:
AI-native, hardware procurement marketplace
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HQ: San Francisco, CA, United States
What they do:
Marketplace & Software Revolutionizing Yard Care
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HQ: San Francisco, CA, United States
YC W16Early stage
What they do:
Easy accounting for e-commerce
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HQ: San Francisco, CA, United States
YC S21Early stage
What they do:
We help Fortune 500 companies hedge their supply chain risk
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native Accounting Firm that's killing Deloitte
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HQ: San Francisco, CA, United States
YC S26Early stage
Routable
Acquired
What they do:
Simplifying payouts at scale
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HQ: San Francisco, CA, United States
NexTravel
Acquired
What they do:
NexTravel is a centralized travel booking platform that helps…
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HQ: San Francisco, CA, United States
Chargehound
Acquired
What they do:
Automate your chargeback dispute process. (Acquired by PayPal)
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HQ: San Francisco, CA, United States
Symple
Acquired
What they do:
Last mile logistics for delivery & service teams. We bring real-time…
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HQ: San Francisco, CA, United States
Proper
Acquired
What they do:
Reconciliation and financial operations platform
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HQ: San Francisco, CA, United States
Pry Financials
Acquired
What they do:
Finance for Founders (now at prune.com)
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HQ: San Francisco, CA, United States
Fintool
Acquired
What they do:
Financial copilot for institutional investors
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HQ: San Francisco, CA, United States
Rally Tax
Acquired
What they do:
AI-native tax platform to save $1T+ for Americans
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HQ: San Francisco, CA, United States
InterPrime
Acquired
What they do:
Safe & Secure Cash Management for Businesses
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HQ: San Francisco, CA, United States
Midship
Acquired
What they do:
AI for SOX testing
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HQ: San Francisco, CA, United States
Payable
Acquired
What they do:
Simple payments and tax compliance for your contract workforce.
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HQ: San Francisco, CA, United States
Mentum
Acquired
What they do:
AI-Powered Assistant for Procurement and Strategic Sourcing
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HQ: San Francisco, CA, United States
Thyme
Acquired
What they do:
The OS for financial advisors
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HQ: San Francisco, CA, United States
Hyperseed
Shut down
What they do:
Zapier for billing
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HQ: San Francisco, CA, United States
PayTango
Shut down
What they do:
Simple invoicing
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HQ: San Francisco, CA, United States
Unicornly
Shut down
What they do:
Unicorn.ly makes fundraising more efficient for both angel investors…
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HQ: San Francisco, CA, United States
Paid
Shut down
What they do:
Autopilot for Accounts Receivable
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HQ: San Francisco, CA, United States
Kickpay
Shut down
What they do:
A platform to finance inventory for e-commerce companies.
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HQ: San Francisco, CA, United States
Sway Finance
Shut down
What they do:
Sway is bringing AI to the accounting industry
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HQ: San Francisco, CA, United States
Scanate/Fellow
Shut down
What they do:
API for Invoice Financing
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HQ: San Francisco, CA, United States
Mogara
Shut down
What they do:
Automatic software R&D capitalization
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HQ: San Francisco, CA, United States
Q2Q
Shut down
What they do:
We help private equity teams find acquisition targets faster
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HQ: San Francisco, CA, United States
Kable
Shut down
What they do:
Usage-based billing for API companies
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HQ: Los Angeles, CA, United States