Do it yourself on website. Yoh need show she will return after visit , have letter from her employer , if she owns home prove it. Show you have enough money to support her, don’t waste money on agent

Try these they will solve your issues.

Uk passport holders get 60 days on arrival

You need get non O visa from uk ( Thai embassy ) quite easy. Then when you get to Thai you can open bank account with that. Then apply for 12 month extension ( and again each 12 months ). I had to get a letter from immigration as well ( quite easy take 4 photos with you ). When you here if you want easy way to get 12 not n extension try thaivisacentre.com on bk they are brilliant.

Yes try these people. Sorted in 1 week

@Lester ********

think was £70. Done mine in Thai embassy London all done on line

@Russell *******

message me I give you how to do it.

2 days mine. Guess it depends how busy they are