Simple, transparent PAYG rates designed for UK businesses — large or small. No data pooling, no contracts, and no surprises.
With KeySIM's transparent PAYG model, you pay only for what you actually use:
This means zero waste, zero penalties, and complete transparency — you're never locked into buying data you don't need or paying overage charges when you exceed arbitrary limits.
Traditional data pools often look flexible — until you do the maths.
With a pool, you either:
Either way, you end up paying a higher effective rate per MB than PAYG.
A company buys a 1,000 GB pool at £3 per GB = £3,000 total.
If they only use 700 GB, they've effectively paid:
The same company uses 1,200 GB.
Their 1,000 GB pool costs £3,000, but they pay £5 per GB for the extra 200 GB (£1,000 more).
A company has 100 SIMs sharing a 500 GB pool. The problem? Not all SIMs use data equally:
Total usage: 430 GB out of 500 GB pool
The issues:
No waste. No penalties. No cross-subsidization. Just predictable, fair billing per SIM.
Choose the plan that fits your deployment needs
Vodafone & O2 Networks Only
SIM Quantity
Monthly SIM Rental
Data
Ideal for low-bandwidth IoT devices requiring minimal data transmission
Vodafone · O2 · EE · Three
SIM Quantity
Monthly SIM Rental
Data
SIM Quantity
Monthly SIM Rental
Data
Private fixed IP addressing and secure VPN tunnels for your IoT deployments, protecting your devices from public internet threats.
24/7 Helpline access for critical support needs. Available for deployments with a minimum of 100 SIMs.
KeySIM makes cost management simple and transparent
Every SIM can be monitored and controlled directly from the KeySIM Portal:
Automatic email notifications when a SIM reaches chosen data thresholds (e.g. 50 MB, 100 MB, 500 MB)
Set hard limits per SIM or group of SIMs to prevent unexpected costs
Get notified if a SIM is removed from one device and inserted into another
View live usage by SIM, account, or deployment group for complete visibility
Request a trial SIM or speak to our team about your specific requirements
Complete the details below to receive a customized no-obligation quote for KeySIM IoT connectivity solutions tailored to your business needs.
Before completing the form, here's what you should know about our transparent PAYG pricing model:
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Connect seamlessly to Vodafone, O2, EE, and Three networks for superior nationwide coverage and automatic failover for mission-critical applications.
KeySecure provides private fixed IP addressing and secure VPN tunnels for your IoT deployments, protecting your devices from public internet threats.
Proudly UK-based with local expertise, serving customers across the United Kingdom and providing remote support worldwide for global IoT deployments.
We aim to respond to all pricing inquiries and technical questions within 24 hours on business days. Urgent requests receive priority attention.