FreeAgent is online accounting software specifically designed for freelancers, contractors, and small businesses.
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Best HMRC Self Assessment Alternatives ranked by AI · updated Aug 2026
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HMRC Self Assessment is the UK government's official online service for completing and submitting eligible tax returns. It is intended for taxpayers who can calculate and report their own income, expenses, reliefs, and tax liabilities.
Top 6 HMRC Self Assessment alternatives
QuickBooks Online is a cloud-based accounting software for small businesses.
Starting from $25/month
GoSimpleTax is a user-friendly tax software that helps individuals and small businesses easily file their taxes online.
Starting at $46.00 per tax year
Crunch is a powerful project management software that helps teams collaborate and stay organized.
$29.99/month
TaxCalc is UK tax software that helps individuals and tax professionals prepare Self Assessment returns and calculate liabilities. Its consumer-facing tools focus...
Pros
- More detailed control than TaxScouts over entries and calculations
- Established tax software with strong coverage of UK return sections
- Well suited to users who want repeatable software rather than accountant handling
Cons
- Steeper learning curve than TaxScouts' guided accountant service
- Requires users to understand tax treatment and enter accurate figures
- Less focused on bookkeeping and year-round financial tracking
From around £49.95 per tax return
GoSimple is a UK online tax-return service for individuals, sole traders, landlords and other taxpayers filing with HMRC. It provides guided Self...
Pros
- Designed specifically for UK Self Assessment returns
- Supports direct electronic filing to HMRC
- Guided workflow is less complex than professional tax software
Cons
- Narrower accounting features than Xero or QuickBooks Online
- Primarily useful to UK taxpayers rather than international businesses
- Per-return pricing can cost more than free HMRC filing for simple cases
From £29.99 per tax return
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