When was CSL founded?

CSL was founded in 1996 and raised its 1st funding round 24 years after it was founded.

Where is CSL located?

CSL is headquartered in Nottingham, United Kingdom.

How many employees does CSL have?

As of Jul 31, 2026, the latest employee count at CSL is 252.

Is CSL a funded company?

CSL is a funded company, having raised a total of $***** in its 1st and only funding round, a PE round on Aug 04, 2020.

When was the latest funding round of CSL?

CSL's latest funding was a $***** PE round on Aug 04, 2020, with participation from 1 investor.

What is the annual revenue of CSL?

Annual revenue of CSL is between £50M and £100M as on Mar 31, 2024

Where does CSL rank among its competitors?

CSL ranks 9th amongst 210 active competitors, of which 29 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Altair, which secured $50M in Apr, 2026.

Who are the top competitors of CSL?

CSL's top competitors include Altair, Soracom and Eseye. Among them, Altair secured the most recent funding round in April, 2026.

CSL - 2026 Company Profile, Team, Funding, Competitors & Financials

CSL is an acquired company based in Nottingham (United Kingdom), founded in 1996 by Simon Banks. It operates as a Provider of IoT connectivity solutions for critical infrastructure and operations. CSL has raised an undisclosed amount in funding from ECI Partners. The company has 210 active competitors, including 29 funded and 38 that have exited. Its top competitors include companies like Altair, Soracom and Eseye.

Company Details

Provider of IoT connectivity solutions for critical infrastructure and operations. They deliver connectivity solutions designed for life-safety, security, and mission-critical applications. The company offers a managed portfolio, from multi-network SIMs, routers, and broadband to satellite. Features include dual-path signalling, unsteered roaming, and seamless integration. Platforms provide visibility, real-time monitoring, and in-life service management, with support for private APNs and VPNs.

Website: www.csl-group.com/
Social
Email ID: *****@csl-group.com
Phone Number: +44 **********

Key Metrics

Founded Year

1996

Location

Nottingham, United Kingdom

Stage

Acquired

Latest Funding Round

PE, Aug 04, 2020, $*****

Investors

ECI Partners & 2 more

Ranked

9^th among 210 active competitors

Annual Revenue

£50M - £100M as on Mar 31, 2024

Employee Count

252 as on Jul 31, 2026

Investment & Acquisitions

IoTM Solutions & 4 more

Similar Companies

Altair & 242 more

Exit Details

Acquired by Iconiq Capital (Aug 15, 2016)

View CSL's full profile

CSL is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
CSL (DUALCOM) LIMITED CIN: 3155883 , Germany, Active	Feb 05, 1996	£50M - £100M (As on Mar 31, 2024)	170 (As on Mar 31, 2024)

CSL got acquired by Iconiq Capital, Norland and RIT Capital Partners on Aug 15, 2016.

Click here to take a look at CSL's acquisition in detail

CSL has raised funding over 1 round. Its latest funding round was a PE round on Aug 04, 2020 for $*****. 1 investor participated in its latest round. CSL has 3 institutional investors.

Here is the list of recent funding rounds of CSL:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 04, 2020	7120434	PE	3693278	3589729	9665484	3157989

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View details of CSL's funding rounds and investors

The founders of CSL is Simon Banks. Ed Heale is the CEO of CSL.

Here are the details of CSL's key team members:

Simon Banks: Founder of CSL.
Ed Heale: CEO of CSL.

View details of CSL's Founder profiles and Board Members

CSL's employee count trend

CSL has 252 employees as of Jul 26. Here is CSL's employee count trend over the years:

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Top competitors of CSL include Altair, Soracom and Eseye. Here is the list of Top 10 competitors of CSL, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Altair 2005, Hod Hasharon (Israel), Acquired	Developer of LTE chipsets	$124M	JVP, BRM & 13 others	70/100
2nd	Soracom 2014, Tokyo (Japan), Public	Provider of IoT connectivity solutions and platform services for device management	$11.4M	World Innovation Lab, Pavilion Capital Partners ... & 9 others	69/100
3rd	Eseye 2007, Guildford (United Kingdom), Series C	IoT connectivity solutions for businesses	$81.8M	Eikon Capital, Sandleton & 31 others	67/100
4th	Syniverse 1987, Tampa (United States), Acquired	Provider of connectivity, mobility, and messaging solutions for various industries	-	Thecarlylegroup.fr, Twilio & 1 others	66/100
5th	1NCE 2017, Cologne (Germany), Series D	Provider of managed connectivity services for low bandwidth hardware devices	$160M	SoftBank Group, I Squared & 13 others	63/100
6th	GCT Semiconductor 1998, San Jose (United States), Public	Developer of chips and modules for 4G LTE and 5G	$351M	Samsung Venture Investment, BoKwang & 25 others	62/100
7th	Truphone 2006, Unterschleissheim (Germany), Series C	Provider of international mobile services	$696M	Wellington Partners Venture Capital, orchidsubtrust.com ... & 39 others	61/100
8th	Teal Communications 2018, Bellevue (United States), Series A	Provider of network orchestration service and eSIM for IoT connectivity	$27.1M	StageDotO, Stormbreaker Ventures & 5 others	60/100
9th	CSL 1996, Nottingham (United Kingdom), Acquired	Provider of IoT connectivity solutions for critical infrastructure and operations	-	CFT Capital Partners, Bowmark Capital & 1 others	58/100
10th	Italtel 1921, Milan (Italy), Acquired	Provider of network evolution, cyber security, and digital communication solutions	-	Advent International, Brera Capital Partners ... & 1 others	58/100

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CSL has not made any investments yet. CSL has made 5 acquisitions.

Here is the list of latest three $acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Jul 14, 2026	Acquisition	IoTM Solutions	2016	Ramat Hasharon (Israel)
Feb 05, 2025	Acquisition	Edgeconnect Network		-
Oct 31, 2022	Acquisition	Caburn Telecom	2011	Manchester (United Kingdom)