Giesecke+Devrient

Giesecke+Devrient (G+D) is a global leader in secure connectivity and has shaped SIM technology for decades. Their AirOn360 platform provides end-to-end eSIM lifecycle management, handling device enrollment, subscription management, and over-the-air provisioning with carrier-grade security standards built throughout.

Ideal for large enterprises managing device fleets across multiple countries and carriers. G+D's deep roots in SIM infrastructure mean tighter integration with telecom networks than typical consumer eSIM apps, making them a natural fit for enterprises that need carrier relationships managed at scale.