Introduction to using SMS for licensed sponsors.
What’s changed: Updated to clarify that Level 2 users will no longer be able to access the SMS after 8 March 2027 and must be upgraded to Level 1 or they will be deactivated.
To help sponsors log into SMS for the first time, change your password, manage SMS users and view important messages posted by the Home Office.
In addition, this guide explains who should use SMS and for what purpose. The guide features a full introduction to SMS as well as a comprehensive troubleshooting section.
Source: UK Visas and Immigration — guidance & rule updates on GOV.UK. Contains public sector information licensed under the Open Government Licence v3.0. Republished in full. Always check the official page for the latest version.
Official source
GOV.UK