💡 Pick it if you need bookkeeping and invoicing alongside UK tax filing.
FreeAgent is online accounting software specifically designed for freelancers, contractors, and small businesses.
Starting from $10 per month
Best GoSimple Alternatives ranked by AI · updated Aug 2026
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GoSimple is a UK online tax-return service for individuals, sole traders, landlords and other taxpayers filing with HMRC. It provides guided Self Assessment preparation, calculation checks and electronic submission to HMRC.
Top 6 GoSimple alternatives
💡 Pick it for complex returns or professional-grade UK tax calculations.
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
3
Taxfiler
IRIS Software Group
💡 Pick it if you are an adviser preparing many UK returns for clients.
Taxfiler is UK tax-preparation software for accountants and tax advisers, covering Self Assessment and related compliance work. It offers structured workflows and...
Pros
- Better suited to accountants managing multiple clients
- Supports broad UK tax-compliance workflows
- More scalable for recurring professional use than GoSimple
Cons
- Overkill for a single straightforward tax return
- Pricing is less transparent for individual users
- Requires more tax knowledge than GoSimple
4
untied
untied
💡 Pick it if you want year-round freelancer expense and tax tracking.
untied is UK tax software for self-employed people, freelancers, landlords, and other individuals filing Self Assessment. It combines transaction tracking, expense categorisation,...
Pros
- Combines tax return preparation with ongoing income and expense tracking
- More useful than TaxScouts for users who want year-round tax estimates
- Designed specifically around freelancers, contractors, and landlords
Cons
- Subscription cost can exceed one-off filing software for simple returns
- Less appropriate when a professional should review complex tax affairs
- Mobile-first workflow may not suit every accountant or business process
Freemium, paid plans from around £9.99/mo
5
HMRC Self Assessment
HM Revenue & Customs
💡 Pick it if your return is straightforward and you want to file directly with HMRC for free.
HMRC Self Assessment is the UK government's official online service for completing and submitting eligible tax returns. It is intended for taxpayers...
Pros
- No filing fee, making it substantially cheaper than TaxScouts
- Official HMRC calculations and direct submission reduce intermediary steps
- Suitable for straightforward self-employed, rental, and investment income
Cons
- Offers far less guidance than TaxScouts' accountant-led service
- Users are responsible for accuracy, calculations, and supporting records
- Limited help for complex international, property, or company tax issues
💡 Pick it if you need full cloud bookkeeping with tax reporting for a small business.
QuickBooks Online is a cloud-based accounting software for small businesses.
Starting from $25/month
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