The skilled worker category under Tier 2 is for people coming to the United Kingdom with a skilled job offer to fill a gap in the workforce that cannot be filled by a settled worker via a Work permit. Without a secured job offer you will not be considered for a work permit. You will need to get a certificate of Sponsorship letter from your prospective employer before you can apply.
The work permit category under Tier 2 Visa is for foreign nationals who have a skilled job offer to fill a gap in the workforce that cannot be filled by a settled worker.
To qualify for a Tier 2 Visa, an applicant must have a valid job offer from a category in the Tier 2 shortage occupational list unless they are in one of the exempt categories.
When you apply, you are awarded points based on your: