Taxes done. Stress gone.
Bart is your AI-powered tax assistant. It sorts your transactions, tracks your deadlines, and files to HMRC for you.
Just chat with Bart
Not sure about a transaction? Ask Bart. It sorts your income and expenses using AI, explains everything in plain English, and learns from your choices.
- Natural conversation — no jargon
- Smart AI categorisation
- One-tap confirm or override
File to HMRC in one tap
See a clear breakdown of your income and expenses before submitting. Review everything, then send your quarterly update directly to HMRC.
- Full category breakdown
- Review before confirming
- Submit directly to HMRC
Taxes done. Stress gone.
Once submitted, Bart confirms your filing was received by HMRC. You're done until next quarter — Bart tracks the next deadline for you.
- Instant HMRC confirmation
- Submission receipt saved
- Next deadline tracked automatically
Your taxes, taken care of
Bart handles the complicated stuff so you can focus on your business.
Transactions sync automatically
Connect your bank and Bart imports your transactions every day. No spreadsheets, no manual entry.
Deadlines? Handled
Bart tracks your quarterly deadlines and nudges you when it's time to file. Never miss one again.
Secure by design
Bank-grade encryption. Open Banking regulated. Your login details are never stored with us.
Three steps. That's it.
From setup to filing in minutes, not hours.
Connect your accounts
Link your Government Gateway and bank account. Bart imports your transactions automatically from that point on.
Sort with Bart
Bart sorts most transactions for you. For the rest, just chat and confirm. No accounting knowledge needed.
File to HMRC
When you're ready, review and send to HMRC with one tap. Bart tracks all your deadlines so you never miss one.
Is Bart right for you?
Bart is built for UK sole traders using Making Tax Digital. A quick check tells you if you're a good fit.
Quick eligibility check
Answer a few questions to confirm Bart can handle your Self Assessment. Takes less than a minute.
Skip and try now freeAlready know you're eligible?
Try it freeSimple, honest pricing
Save on average £380 a year on your Self Assessment.
That's just £120 a year
- Unlimited transactions
- AI-powered sorting
- Quarterly filing to HMRC
- Chat with Bart anytime
- Automatic bank sync
- Deadline reminders
- Supports iOS and Android
Start free — no credit card required.
Ready to stop stressing about your taxes?
Join the millions of UK sole traders who let Bart handle their Self Assessment.
Try it free