Monzo is rolling out its first UK mobile phone service, moving beyond banking with three eSIM-only plans starting at £8 a month. Monzo Mobile is designed for existing current-account customers and combines 5G connectivity, monthly billing and plan controls inside the bank’s app.
The service is arriving during summer 2026 and operates as a mobile virtual network rather than through Monzo-owned phone masts. It uses Virgin Media O2’s infrastructure, giving customers access to a network that Monzo says covers 99% of the UK population.
Monzo Mobile plans and prices
According to the official Monzo Mobile plan details, all three options include unlimited UK calls and texts, 5G without speed caps, hotspot use and the ability to switch plans or cancel without an exit fee.
The £8 monthly plan includes 10GB of UK data. It does not come with an included roaming allowance or international minutes, although roaming add-ons can be purchased for more than 100 countries.
The £12 plan provides 30GB of UK data, 10GB of roaming data across the European zone and 11 additional destinations, plus 60 international minutes each month.
The £20 plan is advertised with unlimited UK data, subject to a 600GB monthly fair-use limit. It includes 25GB of roaming data across 52 countries and 60 international minutes.
That corrects an earlier figure associated with the top package: Monzo’s current plan page lists 25GB of global roaming, not 26GB.
How the loyalty discount works
Customers receive a 5% discount after each complete year they remain with Monzo Mobile. The reduction can build to a maximum of 30% after six years.
At today’s starting prices, a full 30% discount would reduce the £8 plan to £5.60, the £12 plan to £8.40 and the £20 plan to £14 a month. Those calculations assume the underlying prices remain unchanged.
The discount should not be treated as a permanent price guarantee. Monzo may revise its standard plan prices, so the amount paid in later years will depend on both the current base price and the loyalty reduction applied at that time.
Who can join and what phone is required?
Monzo Mobile is available to UK residents aged 18 or over who hold and maintain a Monzo current account. Monthly payments are taken automatically from that account, removing the need to create a separate direct debit.
Because the plans are eSIM-only, customers need a compatible unlocked handset. Most recent smartphones support eSIM technology, but people using older devices should check compatibility before switching. Monzo is selling mobile service only and is not offering handsets.
Customers can keep an existing number by requesting a free Porting Authorisation Code from their current provider. Texting PAC to 65075 starts that process, and Monzo says a number normally transfers within one working day.
Plan management, data tracking, roaming add-ons and billing information are handled through the banking app. Wi-Fi calling is currently listed for iPhones, alongside 4G calling and visual voicemail.
What customers should compare before switching
Monzo’s entry-level package may suit light data users, but the lack of included roaming makes it less attractive for frequent European travel. The middle and unlimited options provide broader travel benefits, although roaming destinations and fair-use terms should be checked before departure.
Price is only one consideration. Customers should compare local signal coverage, data allowances, roaming rules and introductory offers available from other providers. A cheaper deal may offer better value, while Monzo’s main advantage is the convenience of managing banking and mobile costs in one place.
The flexible monthly structure avoids a long minimum commitment. This matters under Ofcom’s telecom pricing rules, which require contracts signed from 17 January 2025 to state planned price rises clearly in pounds and pence rather than linking increases to inflation.
Why Monzo is entering the mobile market
Mobile service gives Monzo another recurring product for a customer base that has grown to about 16 million. The bank reported £87.3 million in pre-tax profit for the financial year ending March 2026, while revenue increased to £1.7 billion.
Moving mobile controls into a banking app could deepen that relationship, but it also makes dependable digital access more important. A previous Monzo app outage that locked out UK customers showed how service interruptions can affect people who rely on one app for everyday financial tasks.
The wider shift towards app-based financial services has created similar concerns elsewhere. During a separate disruption, some customers reported missing Apple Cash transfers and pending payments, highlighting the importance of clear support and timely status information when digital services fail.
Monzo Mobile is therefore competing on integration and declining loyalty prices rather than simply offering the lowest headline rate. Its value will depend on whether customers consider that convenience, network coverage and long-term discount more useful than cheaper standalone SIM deals.
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