14 days free, no card
One plan.Everything included.
Try Finn free for fourteen days, no card to start. After that it's $24/month with everything in it: books, VAT, corporation tax, payroll and invoicing.
- No tiers, no per-feature pricing, no add-ons
- The rate you join at is the rate you keep
- Cancel in one click, data stays reachable 30 days
- A fully allowable business expense
🇺🇸 Live in the United States (federal) · Built for US LLC, S-corp and C-corp founders
AccountsOS
14 days freeAbout $288 a year in USD, billed monthly.
Start free trialNo credit card required to start
Included, all of it
- Unlimited AI chat, voice and receipts
- VAT, corporation tax and annual accounts
- Payroll, dividends and invoicing
- Every bank feed and integration
- All 23 countries supported
- Unlimited companies, one workspace each
The honest comparison
What you’d pay otherwise.
An accountant gives you judgement. Traditional software gives you a ledger. Finn does the work, and tells you when you genuinely need the human.
| Capability | AccountsOS | An accountant | Legacy software |
|---|---|---|---|
| Monthly cost | $24 flat | Hundreds | Tens to hundreds |
| AI chat with books | Yes | No | No |
| Voice commands | Yes | No | No |
| Receipt OCR | Yes | Manual | Some |
| Tax optimization tips | Yes | Yes | No |
| Deadline reminders | Yes | Yes | Some |
| Payroll included | Yes | Extra fee | Extra fee |
| Invoicing included | Yes | No | Yes |
| Bank statement import | Yes | No | Yes |
| 24/7 availability | Yes | No | Yes |
Finn isn’t a substitute for professional advice on an audit, a large transaction or a tax investigation, and it will say so.
In the price
Four groups, nothing gated.
AI Features
- Unlimited AI chat conversations
- Voice commands & voice notes
- Receipt scanning with AI OCR
- Proactive tax optimization tips
Integrations
- Bank statement import (CSV/PDF)
- Company registry auto-sync
- Email document forwarding
- Claude Desktop integration (MCP)
Filing Support
- Annual filing checklists for your country
- Corporate tax calculator
- Annual Accounts wizard
- VAT / GST / sales tax calculation
- Smart deadline reminders
Business Tools
- Payroll with country-correct deductions
- Dividend tracking & vouchers
- Professional invoicing
- Expense claims & mileage
- All calculators
Cards handled by Revolut
PCI DSS compliant, 256-bit SSL. Card details never touch our servers.
Data stays in London
UK data centre, GDPR compliant. Never used to train models, never sold.
No contract
Cancel from settings in one click. No fees, no exit call, no retention offer.
One company or several
Each company is its own workspace, switched from the dashboard.
Before you commit
Everything about the money.
Still unsure? finn@accounts-os.com, we read every message.
- How does the free trial work?
- You get 14 days of full access to every feature, no credit card required to start. When the trial ends, keep going for $24/month by adding a card, or do nothing and your account simply pauses. No surprise charges.
- What does it cost after the trial?
- One simple plan: $24/month, everything included. No tiers, no per-feature pricing, no add-ons. Cancel anytime.
- Is AccountsOS tax deductible?
- Yes, your subscription is a fully allowable business expense. At $24/month (about $288/year in USD), it's a small line item against most companies' corporate tax base.
- Can I cancel anytime?
- Absolutely. No contracts, no cancellation fees. Cancel with one click from your settings. Your data remains accessible for 30 days after cancellation.
- Will the price increase?
- The rate you sign up at is the rate you pay, we don't do annual price hikes. $24/month, flat.
- Are there any hidden fees?
- None. Everything is included: payroll, dividends, invoicing, all calculators, unlimited AI chat, and bank import. No per-feature pricing.
- Do I still need an accountant?
- For most small companies: UK Ltd, Irish DAC/CLG, Bulgarian OOD/EOOD, UAE FZCO/FZE/LLC, Australian Pty Ltd, US LLC/S-corp/C-corp, HK Ltd, Turkish A.Ş. / Ltd. Şti., Isle of Man Ltd, Finn handles everything: bookkeeping, tax estimates, deadlines, payroll, dividends, invoicing, team reimbursement. For complex situations (audits, large transactions, tax investigations, cross-border restructuring), you might want occasional professional advice.
- Is my data secure?
- Yes. We use bank-level encryption and store data in a UK data centre in London (GDPR compliant). Your data is never used to train AI models and is never shared with third parties.
- Can I use this for multiple companies?
- Yes! Each company is a separate workspace. You can switch between companies from your dashboard.
We're building this in the open
Try everything free for fourteen days. All we ask is that you tell us what's wrong with it, so the next version is better.
Start with fourteen days free.Decide after that.
No card to begin, and nothing files without your approval.