CSL Group Ltd

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CSL Group Ltd.
Key people
Ed Heale
(Chief Executive Officer)

Simon Banks

Kassir Hussain
(Chief Technical Officer)

Santosh Chandorkar
(IT Director)

Rob Evans
(Sales Director)

Tony Mann
(Operations Director)

Phil Hollett

CSL Group Limited describes itself as an "international Critical Connectivity provider" specialising in Machine-to-Machine (M2M) communications. The CSL Group encompasses CSL Security and CSL Health operating in the United Kingdom, Ireland, the Netherlands and Sweden.[1] CSL began as a supplier of dual signalling burglar alarms. CSL pioneered the use of dual signalling, wherein the alarm system communicates with a monitoring station using both wired (telephone or internet) and wireless (GPRS/GSM) communications for increased reliability.[2] CSL is among the UK's largest supplier's of signalling solution for intruder alarms, managing the signalling of hundreds of thousands of residential and commercial installations.[2]


CSL was formed in 1996 by Chris Brookes and Simon Banks. In 2000, CSL became a Vodafone service provider and business partner. In 2006 a management buyout by Octopus Investments was successfully completed, allowing CSL to fund further product development including their Gemini Platform. During this process, Simon Banks and Phil Hollett - previously CEO and now Director – bought out co-founder Chris Brookes.[3]

In January 2012, CSL was acquired by Bowmark Capital for £32M.[2] The two companies plan to work together on the next stage of CSL’s development. Simon Banks and Phil Hollett continue to direct the company with the support of Bowmark. Following Bowmark’s investment in 2011, CSL has invested significantly in its core Fire & Security customer base.

In August 2016, CSL was acquired by Norland Capital, ICONIQ Capital and RIT Capital Partners.

In April 2017, CSL announced its acquisition of Emizon Networks Ltd. The aim of the acquisition is to enhance CSL’s existing service with greater IP capability, as well as underpinning CSL’s international growth ambitions.[citation needed]

In December 2017, CSL announced its acquisition of IQIP, a European provider of IP based security and telecommunication services.[citation needed]

CSL Group Limited[edit]

CSL Group is an international M2M investment group, that consists of CSL Security and CSL Health. The Group currently operates in the United Kingdom, the Republic of Ireland and Sweden. CSL Security pioneered the move from wired to wireless technology in the electronic security industry and is now the established market leader.[4] CSL Health offer wireless technology to the telecare market.[5]


CSL operate from their West London headquarters with the logistics department based in Mountain Ash in South Wales and regional sales offices.


As well as the national sales team, CSL also have their marketing, technical, IT and finance departments at their London head office. Their manufacturing and distribution department is based in South Wales whilst CSL also have a Telemarketing team based in Nottingham.


  1. ^ "Introducing the CSL Group". 21 January 2014.
  2. ^ a b c Harrington, Ben (8 January 2012). "Bowmark buys burglar alarm company CSL DualCom for £32m". The Daily Telegraph.
  3. ^ "About CSL". 7 March 2012.
  4. ^ "The most trusted brand in alarm signalling". 21 January 2014.
  5. ^ "Health Products". 21 January 2014. Archived from the original on 2 February 2014. Retrieved 21 January 2014.