Published: 19 February 2026

First-year Self Assessment guide

Your first year self-employed is easier when you start with a simple process from day one.

Create a monthly admin routine early: track sales, log expenses, keep receipts, and update your estimate. This prevents a large backlog before your first filing deadline.

Set reminders for key dates and maintain a running tax reserve. Even small monthly transfers make a major difference later.

If anything is unclear, ask for help early. Fixing misunderstandings in real time is much easier than correcting a year of records later.

Key points