Insights

Critical IoT Focus CSL Group specializes in mission and business-critical IoT connectivity, making it an ideal partner for organizations seeking reliable and tailored IoT solutions in sectors with high-stakes communication requirements.

Strong Industry Recognition The company has been recognized with awards such as the Platinum Execution Award and Benchmark Innovation Awards, highlighting its technological innovation and operational excellence, which can reassure potential clients of its credibility and leadership.

Leadership Expansion Recent appointment of a new Chief Financial Officer indicates strategic growth and financial strengthening, signaling stability and potential scalability for enterprise solutions and large-scale deployments.

Technological Partnerships Integration with Axis Communications showcases CSL’s commitment to expanding its technology ecosystem, offering opportunities for joint solutions in video, audio, and access control that could enhance end-to-end IoT offerings.

Market Position & Growth With a revenue range of 10-25 million and a focus on critical connectivity, CSL Group presents a niche opportunity for enterprise clients in sectors demanding high reliability, especially those needing secure IoT infrastructure with proven performance.

Similar companies to CSL Group

CSL Group Tech Stack

CSL Group uses 8 technology products and services including Kubernetes, Redis, oEmbed, and more. Explore CSL Group's tech stack below.

Kubernetes
Containerization
Redis
Database
oEmbed
Dev Tools
Microsoft 365
Email
Windows Server 2003
Operating Systems
Android
Programming Languages
Zeplin
Team Collaboration
Nginx
Web Servers

Media & News

CSL Group's Email Address Formats

CSL Group uses at least 2 format(s):

CSL Group Email Formats	Example	Percentage
First.Last@csldual.com	John.Doe@csldual.com	89%
First@csldual.com	John@csldual.com	11%
First.Last@csl-group.com	John.Doe@csl-group.com	79%
Fir.Last@csl-group.com	Joh.Doe@csl-group.com	8%
First@csl-group.com	John@csl-group.com	9%
First.Last@csl-group.com	John.Doe@csl-group.com	4%

Frequently Asked Questions

What is CSL Group's phone number?

You can contact CSL Group's main corporate office by phone at

+44-1895-47****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CSL Group's official website and social media links?

CSL Group's official website is csl-group.com and has social profiles on LinkedIn.

What is CSL Group's NAICS code?

CSL Group's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does CSL Group have currently?

As of December 2025, CSL Group has approximately 228 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Chief Executive Officer: E. H.Chief Executive Officer: P. H.Chief Commercial Officer (cco): G. C.. Explore CSL Group's employee directory with LeadIQ.

What industry does CSL Group belong to?

CSL Group operates in the Technology, Information and Internet industry.

What technology does CSL Group use?

CSL Group's tech stack includes KubernetesRedisoEmbedMicrosoft 365Windows Server 2003AndroidZeplinNginx.

What is CSL Group's email format?

CSL Group's email format typically follows the pattern of First.Last@csldual.com. Find more CSL Group email formats with LeadIQ.

When was CSL Group founded?

CSL Group was founded in 1996.

CSL Group

Q: What is CSL Group's official website and social media links?

CSL Group's official website is csl-group.com. CSL Group has social profiles on LinkedIn.

Q: How many employees does CSL Group have currently?

CSL Group has approximately 228 employees.

Q: What technology does CSL Group use?

CSL Group's tech stack includes ISO/IEC 27001, Windows Server 2003, Zeplin, Twitter Ads, PHP.

Technology, Information and InternetEngland, United Kingdom201-500 Employees

IoT Connectivity experts supporting mission and business-critical IoT applications. 

Critical IoT Connectivity can be complex, but we make it easy. Simplicity, service and reliability have been at the heart of everything we do since CSL was founded. The sectors we work in and applications we connect are at the highest end of critical communications.

Discover more at www.csl-group.com or call us at +44 (0)1895 474474