HSL Mobile® is the global provider of mobile communication services to enterprises. Having been founded in 1999 in Edinburgh, Scotland, the company continues to deliver excellence, reliability and innovation in its services, enabling customers such as DHL, John Lewis, NHS and Save the Children to employ them in business critical applications.
As a mobile operator in the UK we have invested heavily in our mobile communications infrastructure. We operate our own SS7 Short Message Service Centres (SMSCs) which are used in conjunction with direct and indirect connections to mobile networks for the delivery of messages. Our core messaging infrastructure is located over multiple datacentre sites in the EU and is capable of handling millions of messages per day.
HSL Mobile (Hay Systems Ltd) was acquired by LINK Mobility Group AS in December 2018.
The company is headquartered in Livingston, Scotland.