Tier 2 visa

if you want to get General work visa (Tier 2) to UK, then you have to review the website's of the UK embassy where you reside and apply for visa and attach the following documents:

Firstly, concerning the UK visa, please determine the correct visa for your visit

Use the UK Visas and Immigration website to check what type of visa you should apply for, and the documents that you will need in order to complete this

When you apply you’ll need to provide:

your certificate of sponsorship reference number

proof of your knowledge of English

a bank society statement that shows you have enough personal savings for all the planned period to stay in the UK (unless your certificate of sponsorship shows your sponsor can support you)

a valid passport or travel document to prove you can travel

If you already traveled to UK before or any other country even this travels are in an expired passports or travel documents then you need to present them to show your travel history

your medical test results (If asked)

a criminal record certificate

If your documents are not in English you’ll need to provide a certified translation.