Siamais is a cocktail bar and Authentic Thai restaurant in Birmingham, offering theatrical cocktails, and flavourful Thai food. Only Thai Restaurant in Brindley Place, Birmingham. Siamais is the ideal place for a ‘dual’ night out. It’s a brand-new concept that encapsulates a totally separate bar, and a restaurant. Drinkers wanting to enjoy a cocktail (or any other drink), have no pressure whatsoever to eat (but they may if they so wish!) and diners can enjoy their food, knowing there’s a wealth of fabulous cocktails to be tried – and the expertise is there to supply them.