June 10th, 2026.



For many small business owners, completing a Self Assessment return has largely been about getting the numbers right. But if you’re reporting for April 2025 onwards, that won’t be enough.

Key takeaways

- There is now a requirement to report exact start and end dates for unincorporated businesses.

- Directors of close companies must also include the company name and registered number, the dividends received from that company, even if nothing was paid, and the highest percentage shareholding held during the year.

- A £60 penalty can apply for each omission, even if the tax has been calculated correctly.

- If there have been recent changes to your company structure, shareholdings or dividend policy, now is a good time to review them. Make sure the documentation is up to date and that you understand how those changes would be reported.....

For the full story at smallbusiness.co.uk CLICK HERE.