Yes. The best visa for you would be the retirement visa. To get this visa you need to have 800,000 THB into a bank account here (about 17,596.57 Pound sterling).
This money is yours and you can use it during the year. But when you need to renew the visa in subsequent years, you do need to show these funds in your account again.
The process is:
We are here to help you every step of the way with this process with a team that cares. Please contact us directly at any of the links below if you have more questions which we are happy to answer!