Insights

Strategic Expansion CSL Group is actively expanding through acquisitions to broaden global multic carrier IoT connectivity and eSIM orchestration capabilities, presenting cross-sell opportunities to existing customers of acquired entities and a pathway to enter new regional markets (North America, Europe).

Critical Connectivity The company focuses on mission-critical IoT connectivity across high-stakes sectors, signaling a push for enterprise-level SLAs, reliability, and robust support which can be pitched to clients with demanding uptime and security requirements.

Multi-Carrier Platform The emphasis on a global platform for resilient, multi-carrier IoT connectivity and eSIM orchestration suggests upsell potential around unified SIM management, connectivity redundancy, and simplified IoT device provisioning for large fleets.

Industry Recognition Awards and industry recognition for security innovations indicate credibility in security-centric solutions, enabling targeted outreach to verticals with stringent regulatory and security needs such as security, critical infrastructure, and transportation.

Growth via Partnerships Active sponsorships and high-profile industry events, plus recent leadership transitions, create openings for co-marketing, channel partnerships, and joint go-to-market motions with system integrators and IoT solution vendors seeking to augment their own critical connectivity offerings.

Similar companies to CSL Group

CSL Group Tech Stack

CSL Group uses 8 technology products and services including iCIMS, Docker, Joomla, and more. Explore CSL Group's tech stack below.

Media & News

CSL Group's Email Address Formats

CSL Group uses at least 5 email formats:
CSL Group Email FormatsExamplePercentage
First.Last@csl-group.comJohn.Doe@csl-group.com
87%
Fir.Last@csl-group.comJoh.Doe@csl-group.com
8%
First@csl-group.comJohn@csl-group.com
5%
First.Last@csldual.comJohn.Doe@csldual.com
88%
First@csldual.comJohn@csldual.com
12%

Frequently Asked Questions

What is CSL Group's phone number?

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

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

How much revenue does CSL Group generate?

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As of October 2026, CSL Group's annual revenue is estimated to be $10M - $25M.

What is CSL Group's NAICS code?

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

How many employees does CSL Group have currently?

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As of October 2026, CSL Group has approximately 251 employees across 4 continents, including Europe, North America and Asia. Key team members include Chief Executive Officer: E. H., Chief Executive Officer: P. H. and Chief Marketing Officer: C. P. Explore CSL Group's employee directory with LeadIQ.

What industry does CSL Group belong to?

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

What technology does CSL Group use?

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CSL Group's tech stack includes iCIMS, Docker, Joomla, Squarespace, Microsoft Intune, WhatsApp Business, Microsoft Teams and Zoom.

What is CSL Group's email format?

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

When was CSL Group founded?

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CSL Group was founded in 1996.
CSL Group logo

CSL Group

Technology, Information and InternetEngland, United Kingdom201-500 Employees

CSL Group is a mid-sized technology company based in Watford, England, that focuses on critical IoT connectivity. It provides connectivity for mission- and business-critical IoT applications and aims to simplify complex requirements. Simplicity, dependable service and reliability are central to its approach to enabling IoT deployments. The company serves sectors that demand high levels of reliability in communications.

Operating in the technology, information and internet sector, CSL Group positions itself as a provider of essential, dependable connectivity for demanding use cases. A notable development in 2026 was the recognition of its partnership with Vodafone Business as IoT Alliance of the Year at the IoT Breakthrough Awards.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1996
Employees
201-500

Section iconFunding & Financials

  • $10M - $25M

    CSL Group's revenue is estimated to be in the range of $10M - $25M

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