Self Assessment Online not working or down today, 01.08.2026 in UK?

How to contact Self Assessment Online support?

• Official website support page

What happened to Self Assessment Online?

Self Assessment Online is a service that provides tools for self-assessment and monitoring.

Possible causes of failures:

• Technical works on the servers
• DDoS attacks
• Problems with the user's Internet connection
• Browser malfunctions

Can't log in to your Self Assessment Online account?

• Check the correctness of the entered login and password
• Make sure the internet connection is stable
• Clear browser cache
• Try logging in through another browser or device

Can't load data in Self Assessment Online?

• Check your internet connection
• Clear the application or browser cache
• Check the time and date settings on the device
• Restart the device

Can't see new data in Self Assessment Online?

• Make sure your account is active
• Check notification settings
• Clear the application cache
• Try to update the feed manually

Can't save data in Self Assessment Online?

• Check the available space in the device's memory
• Make sure the data complies with the platform's rules
• Clear the application cache
• Try saving the data later

Search function is not working?

• Check the correctness of the entered search queries
• Make sure the internet connection is stable
• Clear the application or browser cache
• Try to reload the search page