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Get started with multi-network IoT SIMs in three simple steps
Select the IoT connectivity solution that matches your requirements - from basic multi-network SIMs to Private Fixed IP options for secure remote access.
Receive your KeySIM cards, insert them into your IoT devices, and activate instantly through the KeyOnline management portal. No lengthy setup procedures.
Use the KeyOnline portal to monitor data usage, steer networks, and manage your IoT estate in real-time from anywhere.
Our IoT SIM cards access all major UK networks, ensuring reliable multi-network connectivity wherever your devices are deployed.
Flexible PAYG IoT SIM solutions without long-term commitments. Scale your IoT connectivity up or down as your business needs change.
Easy-to-use control panel for monitoring IoT SIM usage, managing devices, and controlling costs in real-time.
Enterprise-grade security with Private Fixed IP addresses and VPN capabilities for safe remote IoT device management and data transmission.
Dedicated account management and technical support designed specifically for business IoT connectivity and enterprise needs.
From single device pilots to large-scale IoT deployments, our multi-network SIM solutions grow with your business requirements.
Multi-network IoT SIM cards with access to the UK's leading mobile operators
"Fantastic customer service and extremely knowledgeable about IoT connectivity. Great product at a great price point.
"Excellent service, very easy to deal with."
"My charity has used KeySim for over a year now and they have ensured we have had continuous service where other providers cannot get a signal"
Mobile News | March 2024
Telecom specialist KeySIM has entered into a partnership with connectivity provider Wired Broadcast to supply remote-provisioned multi-network SIMs. These SIMs support major UK mobile operators and hundreds of global networks, and can be managed via a portal — removing the need for hardware reconfiguration on-site. The offering is particularly aimed at sectors operating in remote locations such as construction, agriculture, security and healthcare institutions.
Read about KeySIM's Multi-Network IoT SolutionsBroadcast Tech | October 2025
In Hunted, ordinary contestants go "on the run" while a team of expert Hunters uses technology to emulate state-level surveillance — from CCTV and phone data to live tracking and social-media intelligence. The production relies on advanced connectivity to power its operations: body cams use network-hopping SIM cards provided by KeySIM, paired with a custom dispatch unit from Nvoyy, allowing stable, prioritised video links to HQ. Drones also stream footage via LiveU and Starlink, ensuring the Hunters maintain real-time eyes on every pursuit across the UK.
Discover KeySIM's Live Streaming ConnectivityBusiness Mole | October 2025
KeySIM, a UK-based provider of multi-network IoT SIM cards, has surpassed 10,000 active IoT connections, serving over 500 customers. This milestone reflects a growing trend among businesses to move away from traditional single-network, contract-based models. KeySIM's remotely steerable SIM technology allows users to toggle mobile networks remotely, ensuring uptime and optimizing performance. Additionally, the company offers secure, managed access to devices over private IP addresses, reducing the attack surface for IoT estates. Trusted by organizations such as FATFACE and the North Wales Mountain Rescue Team, KeySIM supports applications including retail connectivity and mission-critical emergency communications.
Learn Why Businesses Choose KeySIM PAYG IoT SIMs← Scroll to see more press coverage →
Join over 500 UK businesses who trust KeySIM for their IoT connectivity needs. Get started with flexible PAYG pricing and no minimum contracts.