I want my girlfriend to come to England for a month or so from Thailand. I know I can invite her but what does she need to provide or have proof of and what finances do I need to provide to assure that things go smoothly? It's the time frame?
TLDR : Answer Summary
To invite your girlfriend from Thailand to the UK for a month, she will need to apply for a visitor visa and provide several documents, including an invitation letter from you, proof of your financial support, details of where she will stay, and evidence of her intention to return to Thailand, such as a job letter or family ties. You also may be required to show your income and accommodation details. It's advisable to thoroughly research UK visa requirements on the official UK government website or consider using a visa agent to assist with the process.