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Experienced Multi-Network IoT Provider in the UK
United Kingdom
< $10m
11 - 50
Open website

Zest4 is an experienced multi-network IoT & M2M managed connectivity service provider in the UK with years of experience in the IoT, Mobile Voice and Data markets. We have vast experience across a diverse set of applications covering the full spectrum of IoT use cases.

We offer access to a complete range of tariffs from many global mobile network providers, as well as numerous roaming solutions and international capabilities.

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Connectivity as a Service

Zest4 customers rely on us and our services in order to deliver the world-class secure solutions that meet real world needs and project requirements. Our success lies in delivering what you really need, backed up by world-class support. We will work with you to understand your requirements now and continue to do so as your business develops and as things need to change in order to meet the new challenges.

Service is built from many different elements including coverage, network platform, technical support, billing and connectivity management to name but a few.

Zest4’s connectivity services integrate all the elements required to successfully answer that fundamental question, now and in the future. We can provide an IoT Connectivity solution that works over any network, anywhere, anytime. As well as the ability to track, monitor and manage data use, ensuring that it is easily recorded and billed – down to the very last KB.

Online SIM Management Portal

Zest4 Connect enables customers to manage their entire SIM estate – both existing and new connections, irrespective of the underlying mobile network through a single pane of glass.

The simple graphical sorting nature of the portal allows users to quickly drill-down from many thousands, to a group or even a single SIM with just a few clicks.

Reports can be run and exported and alert levels viewed. Monthly data use is monitored in real-time displayed instantly on screen.


Zest4 have a number of strategic partnerships that provide managed connectivity services to customers across the globe, with 545+ Mobile Networks in over 220+ countries globally. Providing private secure connections whenever and wherever you need them.

Multiple Bearers

Whether you need LPWA, GPRS, 3G, 4G, Circuit Switch Data, SMS, voice or satellite – all are available via a secure managed and monitored service.

Single or Multi-Network (Roaming)

Zest4 is Mobile Network Operator agnostic. We do not favour any one MNO in particular but enable customers to achieve their goals by understanding the features of each MNO and combining them with our capabilities to produce the right service package.

Our aim is to enable you to connect securely and consistently across any / all network providers. The Zest4 and Connectivity Solution offers private 3G / 4G connections to Telefónica / O2, Vodafone, Hutchison 3G, Orange, T-Mobile, Sure, Manx, KPN and Tele2 and their respective global platforms enable you to benefit from both single and multiple-network coverage options to suit your individual applications.

For more exacting requirements multiple-networks on one SIM are also available from a variety of underlying operators.

Fixed IP as standard

CaaS from Zest4 provides fixed private IP addressing as standard. When coupled with a Virtual Private Network (VPN) connection not only can the device initiate the connection, your systems can also initiate the connection to your devices when required to via a secure private network.

Simple Setup - Single APN

The Zest4 network allows customers a single Access Point Name (APN).

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  • Schools & Colleges
  • Housing Associations
  • National and Local Government
  • Volunteer Workforces
  • Local Councils
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Zest4 is a provider of Industrial IoT networks and connectivity technologies, and also active in the buildings, and cities and municipalities industries.
Networks & Connectivity
Low-Power Wide-Area Network
Use Cases
Agriculture Disease & Pest Management
Building Energy Management
Energy Management System
Fleet Management
Machine to Machine Payments
Smart City Operations
Smart Lighting
Vehicle Performance Monitoring
Vehicle Telematics
Logistics & Transportation
Cities & Municipalities
System Integration
Zest4’s Technology Stack maps Zest4’s participation in the networks and connectivity IoT technology stack.
  • Application Layer
  • Functional Applications
  • Cloud Layer
  • Platform as a Service
    Infrastructure as a Service
  • Edge Layer
  • Automation & Control
    Processors & Edge Intelligence
  • Devices Layer
  • Robots
  • Supporting Technologies
  • Analytics & Modeling
    Application Infrastructure & Middleware
    Cybersecurity & Privacy
    Networks & Connectivity
Technological Capability
Number of Partners3
Vodafone is a British multinational telecommunications company, has its headquarters in London and with its registered office in Newbury, Berkshire.Among mobile operator groups globally, Vodafone ranked fifth by revenue and second (behind China Mobile) in the number of connections (435.9 million) as of 2014.
Telefónica is a company that is aware of the new challenges posed by today’s society. This is why we offer the means to facilitate communication between people, providing them with the most secure and state of the art technology in order for them to live better, and for them to achieve whatever they resolve. An innovative and attentive spirit with an immense technological potential that multiplies the ability to choose of its more than 327 million clients in 21 countries. Telefónica is a 100% listed company with more than one and a half million shareholders, traded in several of the most important stock markets around the world.
Arkessa is a leading M2M managed services provider, delivering global connectivity services and solutions through unrivaled multi-network connectivity in all regions of the World and true pole-to-pole coverage.
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