Terms & conditions

Each year your airtime tariff will be adjusted on your April bill by the RPI rate of inflation announced in the preceding Feb. See o2.co.uk/prices. Available on 24 & 36 month Small Biz contract purchased directly from O2. Offers available for members of official strategic partners of O2 only. Strategic partners are not indirect partners. 10% saving against standard non-promotional price of all handsets on Small Biz contract direct from O2. 15% saving against standard non-promotional price of all sim only tariffs on Small Biz contract direct from O2. Discount applies until your contract ends, change tariff, leave or upgrade. 5G available in selected areas. 5G device, sim and tariff required to access 5G. See o2.co.uk/coveragechecker for coverage. 4G phone required to access 4G. 4G available in selected areas.  UK to EU: New and upgrading customers only. Use your minute and text allowance to call any standard landline or mobile in our Country Zones 1 and 2 from the UK (usually charged at international calling rates). For the latest country list and pricing visit o2.co.uk/business/solutions/mobile/travelling-abroad/call-and-data-costs-while-abroad Excludes premium-rate and service numbers. You cannot exceed your standard minute and text allowance and tariffs with unlimited allowances are subject to a usage cap of 2000 minutes and 2000 texts per month. Subject to availability, status, credit check and general terms for business customers apply. Terms apply, see o2.co.uk/terms 
 
Data Rollover: For new or upgrading customers only. Available on selected tariffs of 6GB of data or above, excluding 2GB triple data, 3GB double data and unlimited data tariffs. Up to 100% of unused data from standard monthly data allowance can be rolled over into the following month. Eligible data rolls over for one month only. Any data that cannot be rolled over will expire. Any unused data will not rollover if you decide to change to an alternative tariff. 
Flexible Tariffs: For new or upgrading customers only. For Small Biz and Business Essentials tariffs, tariff can be changed to a non-promotional tariff of the same type that has either a lower, higher or the same amount of data as tariff selected at commencement. For Business, Small Biz SIM Only, Small Biz Data Only and Mobile Broadband SIM Only tariffs, tariff can be changed to a non-promotional tariff of the same type with either the same or a higher amount of data as tariff selected at commencement. A change in tariff can be made 30 days from the date of connection or upgrade, each billing month.