OK Managed to get a non-Imm-B SIngle entry 3mth visa. What do I need to do to apply for a work permit? What are the steps and processes? How do I extend my non-Imm-B without leaving the country and or get multiple entry? Is there an official link?
TLDR : Answer Summary
To apply for a work permit in Thailand with a Non-Imm-B visa, you need to gather documentation from your employer and submit it to the Ministry of Labour. After receiving your work permit, visit an immigration office with additional documents from your employer to apply for a one-year extension of stay, which may take up to 30 days to be processed. Once you have the extension, you can then apply for a multiple re-entry permit. Note that a multiple entry permit does not extend your initial visa period.