Welcome to Global Quality Sports (GQS) – your partner for clean sports

Welcome to Global Quality Sports, or GQS for short. We are an international, ISO-certified company based in Stuttgart and Berlin that performs doping controls for performance sports. Every day, we strive towards clean sports worldwide. National anti-doping organisations, international and national sports associations and sports organisers rely on the quality and performance of our Doping Control Officers on a daily basis. We are happy to coordinate and implement your doping controls. You can trust our experience, professionalism and discretion. We have everything under control!


Speak Up! Help us protect the clean athlete and the integrity of sport. Every time someone steps forward with information on doping, we move closer to...