Here are the major requirements for a UK business visa:
- A valid passport
 - Completed visa application form
 - Passport-sized photos as per UKVI specifications
 - Proof of business purpose
 - Letter from employer stating employment details
 - Financial documents such as bank statements and salary slips
 - Proof of accommodation
 - Confirmed travel details
 - Proof of payment of the visa application fee
 - Signed confirmation that the information provided is accurate