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Fondo

Tax & AccountingStartup bookkeeping and corporate tax4.5(10 G2 reviews)

Bookkeeping, corporate tax filing and R&D tax-credit support for Delaware C-Corp startups.

Y Combinator dealY Combinator companies can receive 2026 TaxPass free, $399/month bookkeeping and discounts on credits.

Last verified · 9 sources

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What is Fondo?

Founded in 2020 and headquartered in San Francisco, Fondo combines software, AI and accounting experts for startup bookkeeping, tax filing and R&D credits. It has served more than 2,000 startups and employs 70+ professionals.

Fondo is an all-in-one accounting service for venture-backed and founder-led startups, combining a finance dashboard with dedicated accountants. Customers connect their bank, payroll and accounting tools, choose monthly, quarterly or annual bookkeeping, and Fondo categorizes transactions, reconciles accounts, closes the books and produces financial statements. TaxPass uses those books to prepare and file federal, state and Delaware corporate returns, while the tax-credit service identifies and files eligible R&D claims.

The service covers transaction categorization, reconciliations, P&L, balance sheet, cash-flow and runway reporting, federal Form 1120, Delaware franchise tax, selected state filings, 1099s and international forms such as 5471, 5472 and FBAR. It also supports R&D tax-credit studies and offers accountant support through Slack. The published fit is concentrated on Delaware C-Corps; additional states, international filings and credit studies are add-ons, and broad entity-type coverage is not documented.

Fondo sells recurring bookkeeping plans and an annual TaxPass subscription, with cadence and price varying by startup stage. Public pricing starts at $950 per year for annual bookkeeping, $1,198 per quarter for quarterly bookkeeping and $399 per month promotional pricing for monthly bookkeeping, while TaxPass is advertised from $1,450 per year. Onboarding usually takes under 15 minutes and customers can cancel anytime; TaxPass has a 14-day trial with no credit card.

Key features

Startup bookkeeping

Categorizes transactions, reconciles accounts and closes books monthly, quarterly or annually.

Financial reporting

Produces profit-and-loss, balance-sheet, cash-flow and runway reporting.

Corporate tax filing

Prepares federal Form 1120, Delaware franchise tax and included state filings.

International compliance

Supports selected foreign-shareholder, foreign-subsidiary and FBAR filings.

R&D tax credits

Identifies eligibility, calculates claims and prepares R&D tax-credit paperwork.

Accountant support

Pairs software automation with dedicated accounting professionals and Slack support.

Fondo pricing

Public pricing starts at $950/year annual bookkeeping, $1,198/quarter quarterly bookkeeping and $399/month promotional monthly bookkeeping. TaxPass starts at $1,450/year promotional pricing; add-ons start at $500 each.

PlanPriceWhat's included
Annual bookkeepingFrom $950/yearDedicated accountant, annual close, dashboard and annual reporting.
Quarterly bookkeepingFrom $1,198/quarterDedicated accountant, quarterly close and quarterly reporting.
Monthly bookkeeping$399/month promotional; $499 listedDedicated accountant, Slack, dashboard, monthly close, runway and financial statements.
TaxPassFrom $1,450/year promotionalTax accountant, Form 1120, one state, Delaware franchise tax and one foreign-shareholder filing.
Tax add-onsFrom $500/add-onAdditional states, international forms and R&D credit study.

Free trial: TaxPass offers a 14-day free trial with no credit card; cancel anytime.

Pros & cons

Pros

  • Combines bookkeeping, tax filing and R&D credit work.
  • Offers annual, quarterly and monthly close options.
  • Publishes concrete entry pricing.
  • Provides dedicated accountant and Slack support.

Cons

  • Published fit is strongest for Delaware C-Corps.
  • Additional state, international and R&D work costs extra.
  • Annual bookkeeping closes books only once per year.
  • Public review volume is small at 10 G2 reviews.

Who is Fondo best for?

  • Delaware C-Corp startups wanting bookkeeping and tax filing together.
  • Pre-seed to Series B teams needing flexible close cadences.
  • International-founder startups needing selected foreign filings.
  • Founders seeking outsourced accountants and R&D-credit support.

Coverage

Delaware C-CorpFederal corporate taxDelaware franchise taxR&D tax creditsBookkeepingForm 1120Form 5472Form 5471FBAR1099 filingStartup financeFinancial reporting

Integrations

QuickBooksStripeGustoRipplingBank, payroll, accounting and cap-table systems; QuickBooks and Stripe named total

Notable customers

ElevenLabsKaratPostHogCampusLimitless AI

Frequently asked questions

How much does Fondo cost?

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Annual bookkeeping starts at $950/year, quarterly at $1,198/quarter and monthly at a promotional $399/month. TaxPass starts at $1,450/year and add-ons start at $500.

How does setup work?

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Most founders finish setup in under 15 minutes. Connect bank, payroll and accounting tools, choose a cadence, and Fondo’s software and accountants handle books and filings.

How does Fondo compare with Pilot?

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Both provide outsourced startup bookkeeping. Fondo combines it with Delaware corporate tax and R&D-credit work and publishes annual, quarterly and monthly close options.

What integrations does Fondo support?

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Customers connect bank, payroll, accounting and cap-table tools. QuickBooks and Stripe are named in Fondo’s privacy and customer materials.

Who is Fondo for?

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It is built primarily for Delaware C-Corp startups from pre-seed through Series B, including international-founder teams. It suits companies wanting outsourced books and corporate filings.

Is Fondo secure and accurate?

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Fondo describes TLS encryption, access controls, least-privilege practices, monitoring and logging. Its workflow combines software with accountant review, but no independent accuracy guarantee is published.

Sources

Facts and pricing verified on October 19, 2026. Vendors change pricing often, so confirm with Fondo before buying. How we research

  1. Fondo pricing
  2. Fondo TaxPass
  3. Fondo about
  4. Fondo privacy
  5. YC deal
  6. G2 reviews
  7. TechCrunch funding
  8. Axios funding
  9. CB Insights