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CSL was founded in 1996, as a UK alarm signalling provider. Today, we have over 2.5 million managed connections supporting mission or business-critical IoT applications across Europe, and we are continuing to grow and innovate.
We know that mission and business-critical end users depend on solutions that provide the highest levels of security and reliability. That is why our expert team are constantly innovating to provide the most resilient and cyber-secure connectivity solutions on the market.
The sectors we work in and applications we connect are at the highest end of critical communications. Our solutions have been deployed at scale in markets including security, telecare, critical national infrastructure, automotive and retail.
To be the number one Critical IoT Connectivity Provider.
CSL was founded.
Launch of first DualCom.
First round of investment with 3i.
CSL becomes a Vodafone Service Provider
Octopus invests in CSL.
Bowmark invest in CSL.
Acquisition of Dycon.
CSL SIMs launch.
ICONIQ Capital and RIT Capital Partners invest in CSL.
CSL Connected launch.
Acquisition of Emizon.
Acquisition of IQIP (Benelux).
CSL Router and MiniAir 2 launch.
Acquisition of WebWay.
DualCom Pro, CSL Live
& My Base App launched.
1 million live connections.
Broadband launch.
ECI Partners invests in CSL.
Acquisition of GCA (Iberia).
2 million live connections.
Acquisition of Caburn Telecom.
VoiceLink launch.
Vodafone chooses CSL as UK National Lottery Project Partner.
Recognised as one of the 2024 UK’s Best Workplaces™.
Partnership with rSIM.
CSL Satellite launch.
At CSL, we are committed to a sustainable future for our business, staff, customers, and partners.
Our friendly and supportive employees care about their role and the customers we serve. We recognise that building a culture of respect, trust, and inclusivity is a vital part of our workplace and company.