22/05/2026
Save this post — seriously.
3 self-assessment dates UK sole traders always miss:
5 Oct — register
31 Oct — paper return
31 Jan — online return + payment
Miss one = instant HMRC penalty. Even if you owe nothing.
Find Totals handles all of it.
Book your free 30-minute Consultation
https://findtotals.com/get-a-consultation/