O2 SIM-only
A broad UK network option with eligible roaming plans.
View O2 optionsUK SIM-ONLY PLANS
Find a mobile plan that fits your life.
Compare SIM-only plans across O2, Three, EE and Vodafone, then choose the network, data and flexibility that suit you.
✓ Keep your existing number where supported✓ Consumer prices include VAT✓ Review everything before confirming
ONE FORGE JOURNEY
Start with what you need—not a network logo.
Choose the right allowance
Tell us whether you browse, stream or use your phone as a hotspot.
Consider real-world coverage
Compare the networks that work in the places that matter to you.
Add more people later
Keep eligible household lines together in one Forge account.
COMPARE YOUR OPTIONS
Four major UK networks. One place to start.
Compare current allowances, roaming and contract terms, then choose the plan that works for you.
Three SIM-only
An option for customers who prioritise generous data.
View Three options
EE SIM-only
A major UK network with a range of allowance choices.
View EE options
Vodafone SIM-only
A major UK network with UK and roaming options.
View Vodafone optionsKeep your number
Forge guides you through moving an eligible mobile number using the network's switching process.
Clear before you commit
Review the network, allowance, monthly price, roaming position and term before confirming.
Built for households
Choose different eligible plans for different people and manage them through one Forge relationship.
Not sure which plan to choose?
Tell Forge about your usage, coverage priorities, travel and budget. You can review and change the recommendation before confirming.
Find my SIM-only planNo obligation to switchSee the full price before you order