If you are applying for ILR after 5 years on the skilled worker visa or Tier 2 (General) visa, the most important supporting document you need to apply is:
A document from the sponsor who issued the certificate of sponsorship that led to your last permission to stay as a Tier 2 migrant confirming that you are: still required for the employment in question for the foreseeable future, and in the case of Tier 2 (General), Tier 2 (Sports Person) and Tier 2 (Intra Company Transfer) migrants this document should also contain:
1. the nearest applicable SOC code which best describes your employment your current rate of pay (this should be given in the same format as given in the codes of practice, for example hourly rate or yearly salary), and
2. confirmation that this is at or above the appropriate rate for the job as stated in the codes of practice for Tier 2 sponsors.
if you are currently on maternity, paternity, shared parental or adoption leave, confirmation of the date this started, your salary immediately before the leave, and what your salary will be on your return.
