Best Accounting Services for Startups (2026): Pilot vs Zeni vs Gradient

Pilot Close

Pilot provides bookkeeping, tax and CFO services for startups and small businesses. Its accountants work on top of Pilot's own software.

Pricing: Bookkeeping Essentials $99/mo; tax filing from $1,000/yr (single-member LLC) source

Gradient Close

Gradient is a CPA-led, AI-native accounting firm for US startups. It handles monthly bookkeeping and close, corporate taxes, R&D tax credits and financial reporting for a fixed monthly fee, with support in Slack.

Pricing: From $500/mo (fixed monthly price set by company stage; no setup fees) source

Zeni Reconciliation

Zeni combines AI bookkeeping software with a team of accounting experts. It offers bookkeeping, tax and fractional CFO services for startups.

Pricing: Starter from $549/mo ($494/mo annual); Growth from $799/mo; CFO plans from $1,599/mo + setup source

Puzzle Close

Puzzle is AI-native accounting software aimed at startups. It produces real-time financials with native integrations to tools like Stripe, Brex and Gusto, and keeps books tax-ready.

Pricing: Starter $30/mo, Core $72/mo, Complete $120/mo, Scale $360/mo source

Digits Close

Digits is AI-native accounting software with automated bookkeeping and a real-time general ledger. It also includes AI bill pay and invoicing.

Pricing: Essentials $65/mo, Core $100/mo, Pro $250/mo source

Kick Close

Kick is an agentic ledger that does bookkeeping alongside business owners and accountants. It has a free tier and paid plans for accrual accounting and multi-entity books.

Pricing: Free; Basic $40/mo; Plus $100/mo; Advanced $300/mo source

Ramp Spend

Ramp is a finance automation platform with corporate cards, expense management, travel, procurement and bill pay. It uses AI to automate receipts, coding, approvals and price intelligence.

Pricing: Free plan $0; Plus $15/user/mo + platform fee source

Brex Spend

Brex is a finance platform offering corporate cards, expense management, travel, bill pay and banking. It targets startups through enterprise companies.

Pricing: Essentials $0/user/mo; Premium $12/user/mo source

How much does outsourced accounting cost for a startup?

Published starting prices in our directory: Pilot Bookkeeping Essentials $99/mo (tax filing from $1,000/yr), Gradient from $500/mo with taxes and R&D credits included, and Zeni Starter from $549/mo ($494/mo annual). Final prices depend on transaction volume, entities and scope.

Pilot vs Zeni: what's the difference?

Both pair accountants with their own software. Pilot's entry plan is cheaper at $99/mo for bookkeeping, with tax priced separately. Zeni starts at $549/mo and offers fractional CFO plans from $1,599/mo plus setup.

What does Gradient include?

Gradient says its fixed monthly fee covers monthly bookkeeping and close, all corporate taxes, R&D tax credits and financial reporting, with CPAs signing returns and support in Slack. Plans start at $500/mo with no setup fees or hourly billing.

Can a startup use AI software instead of an accounting firm?

Yes, if someone on the team reviews the books. Puzzle (from $30/mo), Digits (from $65/mo) and Kick (free plan, paid from $40/mo) categorize and reconcile transactions automatically. You still need a CPA for tax returns.