CSL DualCom
CSL DualCom (CSL Group) is a UK-based IoT connectivity provider that delivers resilient cellular, satellite, and managed connectivity solutions to fire & security installers, telecare providers, critical infrastructure operators, and enterprise customers across Europe and the US.
- Company typePrivate
- Founded1996
- HeadquartersLondon, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingServices
What CSL DualCom does
CSL Group (branded historically as CSL DualCom) is a UK-based, privately held IoT connectivity provider founded in the mid-1990s and headquartered in London, employing 51-100 people. The company sells resilient cellular connectivity — including dual-signalling alarm services, multi-network IoT SIMs, the rSIM resilient SIM with automatic network failover, IoT routers, CSL Outpost, VoiceLink, CSL Satellite, CSL Broadband, and a Signal Analyser — through its proprietary DualCore architecture built on private IP, private APNs, and multi-network roaming SIMs. It complements this hardware portfolio with a suite of connectivity management platforms (CSL Live, IoT.Live, CSL IoT Platform, CSL SIM Insight, My Base App 2.0) that allow enterprise customers to monitor and orchestrate large fleets of connected devices.
The company's go-to-market combines a structured channel-partner programme — anchored by security installers and reseller relationships with Johnson Controls, ADT, Chubb, G4S, SECOM, and Axis Communications — with direct enterprise sales into critical national infrastructure, public sector, healthcare and telecare, industrial, and utilities customers. Its revenue is generated through three streams: recurring IoT SIM and connectivity subscriptions, hardware sales (routers, signal analysers, and devices) typically bundled into managed-service contracts, and 24/7 managed connectivity services with proactive monitoring and remote intervention. It is certified to ISO27001, ISO14001, ISO9001, and Cyber Essentials Plus, and is actively aligned with GSMA, TechUK, and FIA.
CSL's geographic footprint has expanded beyond the UK into the United States, Netherlands, Sweden, Germany, and Spain. The company is positioning around three regulatory tailwinds — the BT Redcare shutdown, the PSTN switch-off, and the 2G/3G phase-out — which are forcing legacy alarm signalling customers to migrate to cellular and IP-based connectivity. In 2020 it received a growth-stage investment from ECI Partners, and in 2026 it appointed a new CMO, a regional Sales Director for Europe, LATAM & Asia, and a new HR Director to support continued scale-up. Ed Heale serves as CEO and Simon Banks as Founder & Director.
CSL DualCom firmographics
Firmographics- Name
- CSL DualCom
- Legal name
- CSL Group
- Website
- https://csldual.com
- Company type
- Private
- Founded year
- 1996
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- CSL DualCom (CSL Group) is a UK-based IoT connectivity provider that delivers resilient cellular, satellite, and managed connectivity solutions to fire & security installers, telecare providers, critical infrastructure operators, and enterprise customers across Europe and the US.
- Ownership category
- akta.pro rank
CSL DualCom industry classification
Industry- Product category
- Critical IoT Connectivity Services
- NAICS
- Telecommunications Resellers and Agents for Wireless Telecommunication Services (51712), Wired and Wireless Telecommunications (except Satellite) (5171), All Other Telecommunications (5178)
- SIC
- Telephone Communications (No Radiotelephone) (4813), Communications Services, Nec (4899)
- akta.pro primary industry
- IoT Connectivity Management (Private APN, SIM/eSIM, Device Connectivity) (HDAIAGAG)
Keywords
Where CSL DualCom is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
CSL DualCom business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- IoT SIM Cards and Connectivity: Recurring connectivity services through IoT SIM cards with multi-network roaming capabilities. Revenue generated from subscription-based connectivity management and data services.
- IoT Hardware (Routers, Devices): Sale of IoT routers, signal analysers, and other connectivity hardware. Hardware is sold as part of managed service solutions.
- Managed Connectivity Services: Managed services including 24/7 monitoring, support, and remote intervention. Delivered as a managed service with continuous monitoring and assurance.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
CSL DualCom product offering
Product offeringCore offering
CSL DualCom, operating as CSL Group, provides dual-path alarm signalling solutions and critical IoT connectivity services for regulated environments. The company sells IoT SIM cards, rSIM resilient SIMs, IoT routers, satellite and broadband connectivity, alarm signalling systems, and connectivity management platforms, backed by DualCore architecture and 24/7 managed services.
Product overview
CSL Group operates as a connectivity and resilience partner specializing in critical IoT solutions. The portfolio is organized around four criticality tiers (Life Critical, Mission Critical, Business Critical, and Geo-Critical) and comprises hardware products including IoT SIM cards, rSIM (resilient SIM), IoT Routers, CSL Outpost, VoiceLink, CSL Satellite, CSL Broadband, CSL Signal Analyser 2, and Alarm Signalling solutions. These are complemented by a suite of proprietary connectivity management platforms including My Base App 2.0, CSL Live, IoT.Live, CSL IoT Platform, and CSL SIM Insight. The company delivers managed services with private, secure infrastructure featuring DualCore architecture, private IP, and private APNs for regulated environments.
Differentiator
Problem solved
Functional benefit
Brands
- DualCore: Dual-core architecture for resilient connectivity with no single point of failure
- CSL Outpost
- VoiceLink
- rSIM
- CSL IoT Platform
- CSL Live
- My Base App 2.0
- IoT.Live
- CSL SIM Insight
Products and services
- IoT SIM
Quantifiable outcome
- Millions of global connections supported across distributed estates
- +1 more outcomes
Companies that use CSL DualCom
Customer profileNamed customers10 records
Segments8 records
Ideal customer profiles5 records
CSL DualCom technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
CSL DualCom partnerships and signals
Strategic signalPartnerships
15 partnerships are on record, tiered core and major.
- Vodafone IoTcoreVodafone IoT is a key network partner providing mobile network connectivity for CSL's multi-network SIM services. CSL holds Vodafone Indirect Partner status and was awarded Channel Deal of the Year in 2024.
- KPN IoTcoreKPN IoT provides Dutch mobile network connectivity as part of CSL's multi-network roaming SIM services for European coverage.
- Tele2 IoTcoreTele2 IoT provides mobile network connectivity as part of CSL's multi-network SIM offering for European and international coverage.
- EEcoreEE provides UK mobile network connectivity as part of CSL's multi-network SIM services for domestic coverage.
- O2coreO2 provides UK mobile network connectivity as part of CSL's multi-network SIM services.
- OrangecoreOrange provides international mobile network connectivity as part of CSL's multi-network roaming services.
- Telefonica TechcoreTelefonica Tech provides IoT connectivity services as part of CSL's partner ecosystem for global coverage.
- GSMAcoreActive members of GSMA, the global industry association representing mobile operators, providing industry leadership and standards alignment.
- TechUKcoreActive member of TechUK, the UK technology industry association, aligned with UK technology standards and policies.
- Johnson ControlsmajorGlobal leader in building products and solutions. Johnson Controls is a customer logo partner for CSL's building and security connectivity solutions.
- Axis CommunicationsmajorLeading network video and access control solutions provider. Axis is a customer logo partner for security and surveillance connectivity.
- SECOMmajorJapanese security services company operating globally. SECOM is a customer logo partner for alarm signalling solutions.
- G4SmajorGlobal security services company. G4S is a customer logo partner for fire and security connectivity solutions.
- ThalescoreGlobal technology company providing advanced technologies. Thales is a technology partner logo for CSL's critical connectivity solutions.
- Balfour BeattymajorMajor UK infrastructure group. Balfour Beatty is a customer logo partner for critical infrastructure connectivity solutions.
Scale indicators2 records
Recent moves4 records
Expansion highlights6 records
CSL DualCom competitors and assessment
Company assessmentDirect peers
- Wireless Logic: UK-headquartered IoT connectivity aggregator offering multi-network SIMs and managed connectivity across Europe. Directly comparable to CSL on multi-network SIM, managed services, and security/telecare verticals, and a frequent direct competitor on UK fire & security migration deals.
- AddSecure: Sweden-based provider of critical IoT connectivity with a strong alarm signalling and security installer heritage across the Nordics. Closely analogous to CSL DualCom in the legacy alarm-signalling business and the transition into IP/cellular.
- Eseye: UK-based global IoT connectivity provider with multi-IMSI/steering SIM technology and managed connectivity services. Highly comparable to CSL's rSIM and multi-network proposition, particularly for enterprise and regulated-environment use cases.
- 1NCE: Germany-headquartered IoT connectivity specialist offering global cellular IoT connectivity with a flat-rate subscription model. A direct competitor for high-volume, low-ARPU IoT SIM deals and an emerging threat in industrial/utility verticals.
- Cubic Telecom: Ireland-based global IoT and connected-vehicle connectivity provider with multi-network managed services. Comparable on enterprise managed connectivity and international footprint, with stronger automotive focus.
- Emnify: Germany-based cloud-native IoT connectivity platform offering global multi-network SIM and APIs. Competes with CSL's IoT platform proposition for enterprise and developer-led IoT deployments.
- Soracom: Japan-headquartered global IoT connectivity platform with multi-network SIMs and developer APIs. Comparable cloud-style IoT connectivity alternative, particularly relevant given CSL's expansion into Asia.
- Aeris Communications: US-based IoT connectivity and platform provider serving automotive, fleet, and industrial verticals. Comparable managed connectivity services with a more US-centric footprint and stronger enterprise software stack.
- KORE Wireless: US-based global IoT connectivity provider offering multi-network SIMs and managed services. Comparable to CSL on managed IoT connectivity for enterprise and industrial customers, with scale advantages.
- JT IoT: Jersey Telecom's IoT division, providing global multi-network managed IoT connectivity with focus on regulated and enterprise customers. Directly comparable in private APN / managed connectivity proposition, especially across European markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
CSL DualCom social profiles
Digital presenceCSL DualCom compliance and trust
Trust signalCompliance4 records
CSL DualCom financial estimates
Financial estimateRevenue estimate
Valuation estimate
CSL DualCom leadership team
Management profileNumber of profiles
Profiles6 records
CSL DualCom funding detail
Funding detailFunding overview
Funding rounds3 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
CSL DualCom M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about CSL DualCom
What does CSL DualCom do?
CSL DualCom, operating as CSL Group, provides dual-path alarm signalling solutions and critical IoT connectivity services for regulated environments. The company sells IoT SIM cards, rSIM resilient SIMs, IoT routers, satellite and broadband connectivity, alarm signalling systems, and connectivity management platforms, backed by DualCore architecture and 24/7 managed services.
Is CSL DualCom a public or private company?
CSL DualCom is a private company. It is classified as private equity controlled and is currently operating.
When was CSL DualCom founded?
CSL DualCom was founded in 1996. It employs 51 to 100 people.
Where is CSL DualCom based?
CSL DualCom is headquartered in London, United Kingdom, in the Europe region.
How does CSL DualCom make money?
Three revenue lines are on record. IoT SIM Cards and Connectivity is the primary driver. The others are ioT Hardware (Routers, Devices) and managed Connectivity Services.
Who are CSL DualCom's main competitors?
Direct peers on record are Wireless Logic, AddSecure, Eseye, 1NCE, Cubic Telecom, Emnify, Soracom, Aeris Communications, KORE Wireless and JT IoT.
Does CSL DualCom have an API?
No public API is recorded for CSL DualCom.
What industry is CSL DualCom in?
CSL DualCom's product category is Critical IoT Connectivity Services. Its primary akta.pro industry code is HDAIAGAG, IoT Connectivity Management (Private APN, SIM/eSIM, Device Connectivity). Its NAICS code is 51712 and its SIC code is 4813.