there is also double taxation treaties, so if you’re paying tax in a western country it’s unlikely you have to pay twice. But if you’re avoiding paying taxes then Thailand are closing that loophole
Anonymous participant apply with your Myanmar company if it meets the criteria.
Is freelancer Gemologist remote?
And I wouldn’t indicate that you plan on “working “ at your Thai business.
Long term, if you want to stay in Thailand, and your Thai business is big enough, would be best to get a work permit through you Thai business, completely different visa.