All software / @1TaxFiler
@1TaxFiler
Visit @1TaxFiler websiteView HMRC listing
Our notes
@1TaxFiler is an online service for Self Assessment returns, MTD VAT and MTD Income Tax, with a multi-client plan for professionals.
Pros
- MTD Ideal plan includes 4 quarterly updates and the annual tax return
- Covers self-employment, UK and foreign property
- Pay only when ready to e-file
Cons
- Prices shown as 'from'; VAT treatment not stated
- Bridging file formats not specified
Price
Prices can change without notice, so confirm with the provider before you buy. Spotted an error? Email us.
- Cheapest MTD-capable plan
- MTD Ideal
- Per month
- unknown
- Per year
- £25
- VAT
- unknown
- Notes
- 'From £25 per year'; includes 4 quarterly updates, annual tax return, income and expense recording, upload and review of figures. Standard SA100 return from £25 per return.
- Landlord pricing
- same product. UK property and rental income supported.
- Agent/accountant pricing
- yes. Professional (multi-client) from £75 per year for 5 clients, up to £500 per year for 100+ clients.
Really free?
- Quarterly updates free
- no
- Tax return (final declaration) free
- no
- Limits
- 'Get started for free. Only pay once you've completed your return and are ready to e-file.'
- Bank account condition
- n/a
- Time limit
- n/a
Landlords and spreadsheets
- Excel bridging
- unknown
- Google Sheets bridging
- unknown
- CSV import
- unknown
- Bridging notes
- Pricing page mentions 'Spreadsheet-friendly bridging' without listing formats.
Checked 18 Oct 2026. Sources:a1taxfiler.co.uk, a1taxfiler.co.uk
HMRC listing
What the software provider has told HMRC. “In development” means the provider has committed to building it in time for the 2026 to 2027 tax return.
Features
| Free version | Not included |
|---|---|
| Agent software | Ready now |
| Individual software | Ready now |
| Software that creates digital records | Not included |
| Bridging software that connects to records | Ready now |
| Standard update period (6 April to 5 April) | Ready now |
| Calendar update period (1 April to 31 March) | Ready now |
| Making Tax Digital for VAT | Ready now |
| HMRC Assist (Submission Feedback) | Ready now |
Business income
| Sole trader | Ready now |
|---|---|
| UK property | Ready now |
| Foreign property | Ready now |
Other income sources and items
| Employment (PAYE) | Ready now |
|---|---|
| UK dividends | Ready now |
| State Pension income | Ready now |
| Private pension incomes | Ready now |
| Partner income from a partnership | Ready now |
| Foreign dividends | Ready now |
| Foreign interest | Ready now |
| Private pension contributions | Ready now |
| Construction Industry Scheme | Ready now |
| Charitable giving | Ready now |
| Capital Gains | Ready now |
| Student Loan | Ready now |
| Marriage Allowance | Ready now |
| Voluntary Class 2 National Insurance | Ready now |
| High Income Child Benefit Charge | Ready now |
| UK interest | Ready now |
Accessibility
| Blindness or impaired vision | Not included |
|---|---|
| Deafness or impaired hearing | Not included |
| Motor or physical difficulties | Not included |
| Cognitive impairments | Not included |
Platform
| Software type | Web browser |
|---|---|
| Compatible with | Microsoft Windows Mac OS Linux |
| Language | English |