Experienced Multi-Network IoT Provider in the UK
Zest4 Logo
HQ Location
United Kingdom
Year Founded
Company Type
< $10m
11 - 50
Company Description

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.

IoT Solutions

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).

Key Customers
  • Schools & Colleges
  • Housing Associations
  • National and Local Government
  • Volunteer Workforces
  • Local Councils
Technology Stack
Zest4’s Technology Stack maps Zest4’s participation in the networks and connectivity IoT Technology stack.
  • Devices Layer
  • Robots
  • Edge Layer
  • Automation & Control
    Processors & Edge Intelligence
  • Cloud Layer
  • Platform as a Service (PaaS)
    Infrastructure as a Service (IaaS)
  • Application Layer
  • Functional Applications
  • Supporting Technologies
  • Analytics & Modeling
  • Application Infrastructure & Middleware
  • Cybersecurity & Privacy
  • Networks & Connectivity
Technological Capability:

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