Bookkeeping and Making Tax Digital VAT filing, built for freelancers and small businesses
AxiomaBooks is a lightweight accounting app: invoicing, ledger bookkeeping, reports, and — on our Complete plan — direct HMRC VAT filing, coming soon.
Invoicing & payments
Create and send invoices, and get paid online via Axioma Pay — one-off or as automatic recurring subscriptions.
Bookkeeping
Track income and expenses, see your profit & loss at a glance.
Reports
Profit & loss, expenses, cash flow, and more — filterable and exportable.
HMRC MTD VAT filing
Connect to HMRC and submit VAT returns directly (Complete plan).
Mileage tracking
Log business journeys and let AxiomaBooks work out your HMRC mileage allowance.
Accountant access
Invite your accountant into your account to collaborate on the books together.
MTD-Ready VAT Export — Every Plan
AxiomaBooks calculates your 9 VAT return boxes and exports them as a one-click CSV file, ready to import into any HMRC-recognised bridging tool. Making Tax Digital compliance on every plan, including Starter.
Submit VAT via Any MTD Bridging Software
Use any MTD bridging software like My Tax Digital — an HMRC-recognised tool. Export your figures from AxiomaBooks as a CSV, import them into your chosen software, and file your VAT return in minutes.
Income Tax MTD (ITSA) — Be Ready
MTD for Income Tax is rolling out from April 2026. AxiomaBooks tracks your income and expenses all year, so your quarterly ITSA figures are always ready. Some MTD bridging software, like My Tax Digital, can handle the ITSA submission too.
Who it's for
Freelancers
A fast, low-effort way to invoice clients, track expenses, and stay VAT-ready without hiring a bookkeeper.
Small businesses
Cash flow visibility, accounts receivable ageing, and reporting depth that grows with your team.
Accountants
Collaborate directly inside a client’s account — read/write access to the books, scoped to that one business.
VAT-Registered Freelancers
If you're VAT-registered and filing quarterly, AxiomaBooks calculates your 9 VAT boxes automatically and exports them as a CSV ready for MTD submission — no manual spreadsheet required.
Self-Employed Under MTD for Income Tax
Earning over £50k self-employed? MTD for Income Tax (ITSA) starts April 2026. AxiomaBooks keeps your income and expense records organised all year, so quarterly updates take minutes, not hours.
Non-VAT Registered Freelancers
Not VAT-registered yet? AxiomaBooks keeps your income and expenses organised so you know exactly where you stand — and when you approach the £90,000 threshold, you're already set up and ready to register.
MTD for VAT & Income Tax — included on every plan
AxiomaBooks calculates your 9 VAT return boxes automatically and exports them as a CSV file ready for HMRC submission. Import into any MTD bridging software like My Tax Digital, an HMRC-recognised bridge, to file digitally in minutes. No spreadsheet juggling.
One-click CSV export
Your 9 VAT boxes calculated from your bookkeeping and exported as a CSV — your digital link to HMRC.
MTD bridging software
Use any MTD bridging software like My Tax Digital — HMRC-recognised and no installation needed. Import your CSV and submit.
ITSA ready too
Some MTD bridging software, like My Tax Digital, also covers Income Tax MTD — same simple process.
MTD for Income Tax deadlines: £50k+ earners from April 2026 · £30k+ from April 2027 · £20k+ from April 2028. Don't leave it until the deadline.
Plans
Starter
£9.95/mo
Export your VAT return figures — all 9 HMRC boxes, calculated from your bookkeeping — with one click. Submit to HMRC using any MTD bridging software like My Tax Digital. Check your chosen software's import requirements and pricing before filing. Ready for more? Growth adds accountant collaboration. Complete brings native one-click HMRC submission directly inside AxiomaBooks.
- Up to 10 active clients; unlimited suppliers and invoices
- Recurring invoices with automatic card charging
- VAT return figures and MTD CSV export
- Email support
Growth
£19.95/mo
Export your VAT return figures — all 9 HMRC boxes — with one click, then share them with your invited accountant for sign-off inside AxiomaBooks before filing. Submit to HMRC using any MTD bridging software like My Tax Digital. The accountant seat keeps review in one place, not over email. Check your chosen software's import requirements and pricing before filing. Upgrade to Complete for native one-click HMRC submission without a third-party tool.
- Up to 100 active clients
- Email invoices with a Pay Now button
- Automatic overdue-payment reminders
- Accountant access with a full activity log
- Business Snapshot, mileage and extra reports
- Priority email support
Complete — Coming soon
Price TBC
Full Making Tax Digital (MTD) VAT filing — submitted directly to HMRC from within AxiomaBooks — is on its way. In the meantime, Starter and Growth let you prepare and export VAT figures for review with your accountant or compatible bridging software. Check the export limitations and your chosen software’s import requirements before filing. We’ll announce Complete here the moment it’s ready.
- Unlimited active clients
- Direct HMRC VAT filing
- General Ledger, Sales Tax Summary and Aged Receivables
- Priority support with phone call-back