Highly Skilled Visa: This is called as Tier 1 (General Migrant). This is designed to allow highly skilled people to come to United Kingdom to look for work or self-employment opportunities. You do not need a job offer to apply under the Highly Skilled Worker category.
Post Study Visa: The post-study worker category is for those who have been to UK on Student Visa. This allows the student to work for 2 yeas after they complete certain level of education. Post study workers are free to look for work without having a sponsor for the length of their leave. This category provides an opportunity to highly skilled work. If you are granted permission to stay as a post study worker, you can switch into another tier of the points-based system as soon as you are able to.
Investor Visa: This category is designed to allow high net worth individuals to make a substantial financial investment in United Kingdom. The points are awarded based on your ability to invest £1,000,000 in United Kingdom.
Entrepreneur Visa: The entrepreneur category is for those who wish to set up or take over a business in United Kingdom. You can run one or more Business in UK