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Cellhire HubSIM Management Portal

Access Four UK Networks on One SIM Card With UK IoT Roaming SIM

Powered by Cellhire’s core IoT network, you can count on us to deliver UK roaming solutions at the most competitive prices.

UK roaming SIM solutions you can rely on

Your world is unique. Your connectivity should be too. At Cellhire, we don't just connect devices. We connect possibilities.

  • 2026Winner
    Vodafone Indirect Partner AwardsSustainability Partner of the Year
  • 2026Shortlisted
    Comms Business AwardsBest Connectivity Solution
  • 2025Shortlisted
    Mobile News AwardsInnovative Product - IoT
  • 2024Winner
    Broadcast Tech Innovation AwardsBest tech innovation in live production

Four UK networks on one SIM card

Cellhire is the leading provider of IoT connectivity solutions for devices which require the ability to roam across all four UK networks.

Our UK roaming solutions are unsteered, allowing your device to seamlessly connect to the strongest available network. This ensures optimal performance and reliability, regardless of location or network traffic.

Get in touch
An ambulance driving along a motorway.

Why choose Cellhire's UK roaming IoT SIM card

Four network solution

Our UK roaming SIM card connects to all four UK networks for complete coverage and reliability.

Best signal optimisation

Our UK roaming SIMs are network agnostic, so your device can connect to the strongest available network.

Competitive pricing

Access the most competitive prices as you're using Cellhire's core network.

Enhanced security

Enjoy peace of mind with private and public IP addresses, L2TP and IPSec tunnelling, and secure remote VPN access.

Private APN

Enjoy enhanced security and privacy with your own Access Point Name.

SIM management portal

Take control of your IoT SIMs with our easy-to-use portal, including usage monitoring and real-time alerts.

Experience the power of Cellhire’s IoT Network: order your free trial today.

Cellhire’s IoT connectivity solution offers unmatched resilience, security and coverage for unbeatable prices. Our free trial pack allows you to experience the power of our connectivity for yourself!

You’ll receive 2 IoT SIM cards, each loaded with 1 GB of data, plus have complete access to our market-leading SIM Management portal to truly experience Cellhire’s IoT solution

Order now

We keep your devices connected, wherever they are in the world

With Cellhire's IoT roaming agreements you'll have secure, uninterrupted connectivity.

Remove the risk of hidden costs and losing connectivity to your device at the vital moment due to sudden disconnections from international networks.

Looking for better IoT Connectivity?
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How can we help?

If you're ready to stay connected with the best connectivity solutions, we're ready to talk!

Fill out the form and we'll be in touch soon to discuss how we can support your needs.

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