Sky Mobile mobile network: coverage, customer service and complaints
Last updated: 22 October 2026
Sky Mobile launched in 2017 and runs on O2's network. It is part of Sky, which is owned by Comcast.
Sky Mobile at a glance
- Type: Virtual network using O2
- Owned by: Sky (Comcast)
- What it sells: SIM only plans, phone contracts with Swap options and data rollover.
Sky Mobile's Piggybank rolls unused data over for up to three years, and Sky TV customers can get extras.
Sky Mobile coverage
Sky Mobile doesn't own masts — it uses O2's network. Wherever O2 has signal, Sky Mobile customers should too. Coverage varies street by street and indoors, so check your home and work postcodes on Ofcom's coverage checker before you buy.
Customer feedback: official complaint figures
Ofcom publishes how many complaints it receives about each major mobile provider for every 100,000 pay-monthly customers. In the October to December 2025 figures, Sky Mobile received 5 complaints per 100,000 customers — above the industry average of 3.
| Provider | Jan–Mar | Apr–Jun | Jul–Sep | Oct–Dec |
|---|---|---|---|---|
| Sky Mobile | 2 | 2 | 3 | 5 |
| Industry average | 2 | 2 | 2 | 3 |
Source: Ofcom telecoms and pay-TV complaints, Q4 2025. Lower is better. Figures are rounded by Ofcom.
Contact Sky Mobile customer service
- Help and live chat: www.sky.com/help/categories/mobile
These are the contact routes Sky Mobile publishes. Numbers starting 03 cost the same as a normal landline call and are usually included in phone plan minutes; 0800 and 0808 numbers are free. Check Sky Mobile's website for opening hours.
Complaining about Sky Mobile
Complain to Sky Mobile first. If it isn't resolved after eight weeks, or you get a 'deadlock letter', you can take it free of charge to the independent ombudsman scheme Sky Mobile belongs to. Ofcom explains the process on its how to complain page.