There are different reasons why people want to apply for a UK visa. That is why the United Kingdom has an organized visa system based on the purpose of visitor under multiple visa types.
Besides of its strict rules, not allowing to get a job many of the visa holders, the UK also offers Working Visas especially for high-end professionals from other countries who wish to work and live in the UK for shorter or longer periods.
Tier 5 (Temporary Worker) Visa
Tier 5 (Youth Mobility Scheme) Visa
These types of visas are issued to international students who want to study in the UK.Categories of student visas
The UK is a very popular tourism destination, for shorter or even longer periods of visits. The UK Visitor Visas are issued for short stays, tourism visits and similar purposes. UK authorities rarely do issue a tourism visa for a longer period than six months. The foreign nationals are prohibited from getting a job inside UK with this type of visa, just as with many other types.
Short business trips are handled kind of the same way.
Categories tourist and visiting visas
The UK Family Visa is issued to visit family members in the UK. This Visa type is for people who have family members working and living in the UK and want to join them for more than six months, as their dependents. The dependents can be husband or wife (spouse), partner, fiancé, fiancée or proposed civil partner, children, parents, other family members.
Categories of family visas
The UK Transit Visa is for foreigners who are not from the EEA (EU countries, including Iceland, Liechtenstein and Norway) or Switzerland, and are using the UK as a transit country to pass from another country to their destination. This visa offers the opportunity to apply for a long-term transit visa if the applicant has enough evidence that he needs to travel regularly through UK to arrive at his destination, but has no intention to stay or live there permanently. Such long-term transit visas can be given from 1 to 10 years long. Categories of transit visas
Temporary Refugee Visa is for people who are about to enter in the UK and are at the borders because had to leave their country as their life was seriously threatened. The application for this visa is made from within the UK.
The visa is temporary, until the visa holder is not endangered anymore and can return back to their country. Visa for Stateless Persons is for foreigners living in the UK and are not nationals in any other country in the world. This visa is given for 2 to 6 years with a possibility of extension.