GMS is an international messaging service provider for mobile operators and enterprises worldwide. GMS is the messaging hub for A2P, P2P, P2A and RCS traffic exchange and a trusted messaging protection partner. We provide mobile operators with full network control to ensure secure message delivery. The GMS business communication suite enables enterprises from all over the world to engage their customers with tailored and interactive content delivered via a host of channels including SMS, Push, Viber, WhatsApp and RCS. Headquartered in Baar, Switzerland, GMS also maintains 5 regional offices worldwide.