I have used a guy called Ilkay, he owns Torquoise Taxis, also has yellow taxis at Otogar and Migros, he has a mercedes and VW minibus but most important of all he is Toursab registered, normally £60 return or £40 and a bottle of JD, that prices are to Calis never ever been let down, he has actually turned into a very good friend. If anyone wants any more info please PM.