Page Contents
Table of Contents
Check your Self-Assessment Business Details
You can view your business details at any time from the Tax Account page. Simply click the Details link next to your connected business profile.
This will display a live view of the information held by HMRC for your business, including general contact details (e.g. name and address), accounting period, and accounting method (e.g. cash or accrual).
- Cash Accounting – Transactions are recorded when invoices or purchases are paid.
- Accrual Accounting – Transactions are recorded when invoices or purchases are issued.
Changing your quarterly period interval
Starting from the 2026/27 tax year, you’ll be able to align your quarterly reporting periods with calendar months.
Current period:
6 April to 5 July
Updated period:
1 April to 30 June
If you’re eligible, the option to update your quarterly period will appear in the Business Details section.