Im planning on moving there and need suggestions of a car hire to move my stuff down there, one way. 
 

thanks

Call her, she is a private taxi and might drive you there. I use her every-time I leave Pattaya and she is very dependable and knows where she is going, especially in Bangkok. Her number is 087-495-7995.

Did it with Budget from Phuket and drop off in Bangkok. Covered pick up truck.