Online banks in the UK are now leading the charge in innovation, convenience, and customer-centric features. Though the banking industry may still be dominated by the "big four" banks (Barclays, HSBC, Lloyds Banking Group, and the Royal Bank of Scotland/NatWest), digital banks have begun to disrupt the big bank monopoly. If you’re a tech-savvy millennial, a busy professional, or someone seeking better interest rates and budgeting tools, these banks offer compelling reasons to consider switching from the traditional options.
This guide highlights some of the most accessible online banks in the UK. We’ll cover key details, such as monthly fees, key features, and how quickly you can get started with each provider so you can get going with your online bank account in the UK.
Online banks, also known as neobanks or challenger banks, exist only in digital form. They don't have an established physical location, aka brick-and-mortar branches, like traditional banks.
They are usually app-based, hence are easily accessible on your smartphone. Traditional banks do offer online banking and mobile banking, but digital-only banks exist entirely on digital platforms. Banking services and products ranging from current/savings accounts to investment in mutual funds, stock trading, or trading in cryptocurrencies are all accessible through your handheld devices, eliminating the need to visit a bank branch.
Here is a list of the best banks for online banking in the UK:
Monzo has firmly established itself as one of the UK’s most popular online banks, known for its vibrant brand and user-friendly app. It is ideal for customers who want a flexible, intuitive banking experience tailored to modern lifestyles.
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Starling Bank is often praised for its robust security, excellent customer service, and comprehensive feature set. It’s a great choice if you want a reliable bank that balances innovation with solid banking fundamentals.
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Revolut is a financial ecosystem designed for international travelers, freelancers, and anyone who deals with multiple currencies. Its global reach and innovative features make it ideal for those with international financial needs. Its Trustpilot score hovers around 4.3/5, reflecting a generally positive user experience.
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Although N26 has scaled back some UK operations, it remains a strong contender for those looking for a minimalist, elegant banking experience with strong digital tools. N26 is perfect for users who appreciate simplicity and style, especially if they travel frequently within Europe.
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Monese is designed with flexibility in mind, especially for those who want to budget effectively and manage money across borders. Its focus on budgeting and multi-country access makes it a favorite for mobile professionals and expats. It holds a Trustpilot score of around 4.2/5, reflecting solid user approval.
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Kroo is a newer player but is gaining traction for its no-nonsense approach and competitive interest rates. Its app is straightforward and efficient, appealing to users who want a simple, effective banking experience without unnecessary frills.
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There are several more internet banks in the UK, and the best way to find the option you need is to use a marketplace app.
Online banks excel in convenience, accessibility, and innovation. Here’s why they’re becoming the go-to choice for many UK customers in 2025:
UK-authorised banks are protected up to £85,000 per person, per bank. This means if the unlikely event occurs where the bank fails, your money is secure up to this threshold.
Even Revolut and Monese, which don’t hold UK banking licenses themselves, are regulated by the Financial Conduct Authority (FCA) and partner with fully licensed UK banks to safeguard your funds. Essentially, your money is held in accounts with traditional banks that provide the FSCS protection, so you still enjoy a high level of security.
It’s important to recognize that despite being viewed as rivals, traditional banks and digital banks often work hand-in-hand. This collaboration combines the trusted security and regulatory framework of established banks with the innovation and user-friendly experiences that digital banks bring. Many people still rely on traditional banks for products like savings accounts, credit cards, and overdrafts, areas where they often offer competitive rates and well-established services. Meanwhile, they turn to digital banks for everyday spending, budgeting, and instant financial insights, enjoying the best of both worlds.
Your ideal choice will depend on your financial goals, whether that’s maximizing savings, managing daily expenses, or accessing innovative financial tools.
Both Monzo and Starling are leading UK-based digital banks with strong reputations. Starling Bank has a better deal on the cost of paying for cash deposits, compared to Monzo. But if you're willing to pay a monthly fee for one of Monzo's packaged accounts, you could find the additional benefits, such as a free railcard, cinema tickets, and restaurant discounts, could be worthwhile.
As of 2025, Starling Bank is widely regarded as the No. 1 online bank in the UK. It has consistently topped customer satisfaction surveys, including those by the UK Government-backed CMA (Competition and Markets Authority) and Which? for its excellent service, reliability, and broad range of features.
Avoid logging in to your bank account using public Wi-Fi. You don't know who has access to the network and whether they can view data that is sent. Using a cellular network is generally a better choice, and a secure, private network, ideally your own home network, is better still.
Online banks are just as safe as traditional brick-and-mortar banks, as long as the online bank is insured by the Federal Deposit Insurance Corp. (FDIC). Confirm whether a bank is FDIC insured by using the FDIC's BankFind tool, which permits searches by bank name or web address.
One disadvantage of online banks in the UK and anywhere else in the world is the lack of physical branches. This can be inconvenient for customers who prefer face-to-face service, need to deposit cash, or want in-person assistance for complex banking issues. While many digital banks offer good app-based support and live chat, the absence of branch access may be a drawback for those used to traditional banking services.