Here is some information if you are looking to work in the UK after you have completed your studies.
Tier 1 Graduate Entrepreneur
This came into force on 6 April 2012. It is aimed at students who have completed a degree course in the UK and who wish to develop ideas or entrepreneurial skills by setting up a business in the UK. The students need to be sponsored by the institution they studied in and there is a limit of 1000 places (10 per participating institution).
Any interested students should ask their education provider if it is involved or planning to be involved with this scheme.
Applicants to this scheme, need to show when applying that they have held the sum of £800 for a period of at least 90 days. On 14 June 2012, this sum increases to £900. Successful applicants will be granted leave for 1 year in order to develop their business plans with the support of their institution. During this time they will be able to take employment for up to 20 hours a week. There is the possibility of extending this leave for a maximum of 1 additional year.
There are no provisions for applying under this scheme from outside the UK. To apply in the UK student must have or have last been granted leave as a student, including Tier 4 leave, or as a Tier 1 (Graduate Entrepreneur). Applicants who previously had leave under Tier 1 (Post-Study Work), the International Graduates Scheme, Fresh Talent: Working in Scotland or the Science and Engineering Graduates Scheme will not be eligible
For more information please visit:
http://www.ukba.homeoffice.gov.uk/visas-immigration/working/tier1/graduate-entrepreneur/
Tier 1 Exceptional Talent
This is a work route that came into force on 9 August 2011. It is aimed at individuals who have already achieved international recognition in their field or who have the potential to be world leaders in their area of expertise. Four designated UK "competent bodies" decide whether this applies to you. The relevant areas of work are: the arts; engineering; natural and medical sciences; social sciences and the humanities. Applicants who qualify must make their immigration application outside the UK.
For more information please visit:
http://www.ukba.homeoffice.gov.uk/visas-immigration/working/tier1/exceptional-talent/
Tier 5
Students can also work in the UK after their studies for up to 2 years under the tier 5 schemes. For more information about working under tier 5 please visit:
http://www.ukba.homeoffice.gov.uk/visas-immigration/working/tier5/