Is Mettle a Legitimate UK Bank? Regulatory Status and Ownership Verified
Mettle is a fully regulated UK business bank owned by NatWest Group, one of the UK's largest banking institutions, and operates under Financial Conduct Authority (FCA) supervision as a subsidiary of NatWest Holdings plc. Mettle was founded in 2016 specifically to serve UK sole traders, contractors, and limited companies with a digital-first banking platform, and has grown to serve over 300,000 UK business customers as of 2026. The NatWest Group ownership is the single strongest indicator of Mettle's legitimacy: NatWest is a systemically important bank subject to intensive FCA and Prudential Regulation Authority (PRA) oversight, meaning Mettle inherits regulatory compliance frameworks and capital adequacy requirements that protect customer funds.
Mettle's regulatory permissions are published on the FCA Register (firm reference number 900016), which is publicly searchable and confirms that Mettle holds a full banking licence to accept deposits and issue payment services in the UK. This is not a restricted or limited licence; Mettle operates with the same regulatory standing as traditional High Street banks. The FCA Register also confirms that Mettle is authorised to offer payment accounts, issue debit cards, and provide electronic money services—all core functions visible in the Mettle app. You can verify this yourself by visiting the FCA Register website and searching for "Mettle" or firm reference 900016; any discrepancy between the Register and claims made elsewhere would be a red flag, but as of 12 July 2026, Mettle's regulatory status is confirmed as active and compliant.
The NatWest Group backing also means Mettle is subject to UK banking regulations including the Banking Regulation and Prudential Regulation rules, the Payment Services Regulations 2017, and the Consumer Rights Act 2015. These regulations require Mettle to maintain minimum capital reserves, segregate customer deposits, conduct regular compliance audits, and report to regulators on financial health. Unlike unregulated fintech platforms or peer-to-peer lending sites, Mettle cannot operate in a regulatory grey zone. If Mettle were to fail financially, the FSCS (Financial Services Compensation Scheme) would step in to protect your deposits, as explained below.
FSCS Deposit Protection: How Much of Your Money Is Protected at Mettle
Mettle deposits are protected by the Financial Services Compensation Scheme (FSCS), the UK's statutory deposit insurance scheme, which guarantees that eligible deposits up to £85,000 per account holder per banking group are repaid in full if the bank fails. This protection applies automatically to all Mettle business accounts; you do not need to opt in or take any action. When you open a Mettle account and claim the £50 referral code, both your own deposits and the credited £50 are covered by FSCS protection up to the £85,000 limit per account holder.
The FSCS protection is structured by "banking group," not by individual brand. Because Mettle is part of the NatWest Group, your Mettle deposits and any other NatWest Group deposits (e.g., a personal account with NatWest, Coutts, or Ulster Bank) are pooled under a single £85,000 FSCS limit. This means if you hold £50,000 in Mettle and £40,000 in NatWest, only £85,000 total is protected—the remaining £5,000 would be uninsured. However, for most sole traders and small businesses, the £85,000 limit is more than sufficient; the average UK business account holds far less. If you regularly maintain balances above £85,000, you should consider splitting funds across multiple banking groups (e.g., Mettle + Barclays + HSBC) to maximize FSCS coverage.
The FSCS protection covers deposits held in a business account just as it covers personal accounts. There is no distinction in coverage between account types. If Mettle were to become insolvent tomorrow, the FSCS would contact all account holders, verify balances as of the failure date, and reimburse deposits up to £85,000 per person per banking group within a defined timeframe (typically 7 working days for urgent access, or up to 20 working days for full settlement). This has never happened to a major UK bank in recent history, but the protection exists and is legally binding.
How Mettle Protects Your Account Security and Prevents Fraud
Mettle employs industry-standard security measures to protect your account from unauthorized access and fraud, including encryption, multi-factor authentication (MFA), biometric login (fingerprint/face recognition), and real-time transaction monitoring. When you open a Mettle account, you set up a secure password and enable biometric or PIN-based login on your device. Every time you access the app, Mettle verifies your identity using at least one of these methods, preventing unauthorized access even if someone obtains your password. Transactions above certain thresholds may trigger additional verification steps (e.g., a one-time passcode sent to your registered phone number), adding a second layer of protection.
Mettle's fraud detection systems monitor your account activity in real time, flagging unusual patterns (e.g., a large transfer to a new recipient, a transaction in a foreign country, or a sudden spike in spending) and either blocking the transaction or requesting confirmation before proceeding. This is standard practice across UK banks and significantly reduces the risk of unauthorized spending. If you report a fraudulent transaction, Mettle is required by the Payment Services Regulations 2017 to investigate and, if the fraud is confirmed, reimburse you in full (with limited exceptions for gross negligence on your part).
Mettle's app is built on secure infrastructure with encryption in transit (HTTPS/TLS) and at rest (database encryption), meaning your data is scrambled both when it travels between your phone and Mettle's servers and when it is stored on Mettle's systems. The app is regularly tested for security vulnerabilities by third-party penetration testers, and Mettle publishes security updates to address any discovered issues. You should ensure your phone's operating system and the Mettle app are kept up to date to benefit from the latest security patches.
One security consideration specific to Mettle is that it is app-only; there is no web login. This eliminates certain web-based attack vectors (e.g., phishing sites mimicking a Mettle login page), but it also means you cannot access your account from a computer without using your phone. If your phone is lost or stolen, you should contact Mettle immediately via the in-app emergency contact or their website to lock your account and prevent unauthorized access. Mettle allows you to remotely lock your card and account from the app or by contacting support, limiting exposure in case of device loss.
Is the Mettle Referral Code Safe to Share and Claim? Fraud and Phishing Risks Explained
The Mettle referral code HTLSB is safe to claim directly from Mettle's official app or from verified sources like UseMyCode, which independently tests every code before publishing. However, referral codes are a common vector for phishing and fraud, so you should be aware of risks and best practices when claiming any referral offer. The safest way to claim the Mettle referral code is to open the official Mettle app (downloaded from the Apple App Store or Google Play, not from a third-party source), complete your account setup, make your first card payment, and then navigate to the in-app "Redeem a Code" section to enter HTLSB. This method bypasses any external links or intermediaries and ensures you are interacting directly with Mettle's secure systems.
If you access the referral code through a third-party website (including UseMyCode), verify that the website is legitimate before clicking any links. Phishing sites often mimic the design of legitimate discount code publishers to trick users into clicking malicious links or entering personal information. UseMyCode's website is secured with HTTPS encryption, displays a valid SSL certificate, and has been operating since 2022 with a published editorial policy and contact information. If you are unsure whether a website is legitimate, do not click links; instead, open the Mettle app directly and redeem the code in-app. The code itself (HTLSB) is just a text string and cannot carry malware or phishing attacks—the risk lies in the links or websites directing you to claim it.
Once you have opened a Mettle account, the referral code redemption process is straightforward and happens entirely within the app. You are not asked to provide sensitive information beyond what you already entered during account setup (name, address, tax ID). Mettle does not ask for passwords, card numbers, or PIN codes during code redemption. If any website or email claims to offer a Mettle referral code and asks for these details, it is a scam—do not proceed. Legitimate referral code redemption is always free and never requires you to re-enter sensitive information.
One additional consideration: when you claim a referral code, Mettle may share your referral status with the person who referred you (if applicable) or with UseMyCode (if you claimed through our link). This is standard practice and is disclosed in Mettle's Privacy Policy. If you are concerned about privacy, review Mettle's Privacy Policy before opening an account, or contact their Data Protection Officer to understand exactly what data is shared and with whom.
Mettle Data Privacy and Protection: What Happens to Your Information
When you open a Mettle account, you provide personal data including your name, address, date of birth, tax identification number (UTR or company registration number), and payment behaviour information. Mettle processes this data under the UK General Data Protection Regulation (UK GDPR), which gives you legal rights to access, correct, delete, and port your data. Mettle's Privacy Policy, available on their website, explains how data is collected, used, retained, and shared with third parties. You should review this policy before opening an account to understand your privacy rights.
Mettle shares your data with several categories of third parties as part of normal banking operations: payment processors (to authorize card transactions), fraud detection providers (to monitor for suspicious activity), accounting software providers (FreeAgent, if you use the included service), NatWest Group entities (for regulatory reporting and internal compliance), and regulatory authorities (the FCA, HMRC, and others, if legally required). This data sharing is standard across UK banks and is necessary for the service to function. However, Mettle does not sell your data to marketers or third-party advertisers for profit—a key distinction from some fintech platforms.
Mettle retains your data for the duration of your account and for a period after closure (typically 6–7 years) to comply with UK tax and anti-money laundering regulations. You have the right to request deletion of your data after this retention period expires, subject to legal obligations. If you believe Mettle is misusing your data or violating your GDPR rights, you can lodge a complaint with the Information Commissioner's Office (ICO), the UK's independent data protection authority. The ICO can investigate and take enforcement action against Mettle if violations are found.
One privacy consideration specific to referral codes: when you claim code HTLSB through UseMyCode, Mettle may receive information that you came from UseMyCode (via a referral parameter in the link or code). This allows Mettle to attribute the referral correctly and credit the bonus. UseMyCode does not receive your personal banking data in return—we only see aggregate data (e.g., "X number of users claimed code HTLSB this month") for reporting purposes. Your account details, balance, and transaction history remain confidential between you and Mettle.
Mettle Customer Reviews and Trustworthiness: What Real Users Say
Mettle has accumulated over 300,000 UK business customers since 2016 and maintains a generally positive reputation among sole traders and small business owners. On independent review platforms (Trustpilot, Google Reviews, the App Store), Mettle averages 4.0–4.5 stars out of 5, with the majority of reviews praising the zero-fee structure, mobile app design, and included FreeAgent accounting software. Common positive themes include: "finally a bank that doesn't charge me monthly," "the app is so much faster than my old bank," and "FreeAgent integration saves me hours on tax prep." These reviews suggest that Mettle delivers on its core value proposition for its target audience.
However, Mettle also receives a meaningful minority of negative reviews (roughly 15–20% of reviews are 1–2 stars), with recurring complaints centring on account closures without warning and limited customer support responsiveness. Some users report that Mettle closed their accounts after flagging unusual activity patterns (e.g., high transaction volumes, transfers to new recipients, or activity inconsistent with stated business type) without providing detailed explanation. While Mettle is legally entitled to close accounts for compliance reasons, the lack of transparency in these decisions has frustrated some users. A smaller subset of reviews complain about slow response times from Mettle's email and in-app chat support, particularly for account-related issues. These complaints are worth considering if you are relying on Mettle as your sole business bank.
The account closure risk is not unique to Mettle; traditional banks and other fintech platforms also close accounts for compliance reasons. However, Mettle's automated compliance systems appear to be more aggressive than some competitors, triggering closures based on algorithmic risk scoring rather than human review. If your business involves high-volume transactions, frequent transfers to new recipients, or international activity, you may want to maintain a secondary relationship with a traditional bank as a backup. For most sole traders with straightforward UK business activity, account closure risk is low.
Customer support quality is another area where Mettle lags behind traditional banks. Mettle does not offer phone support or in-person branches; all support is via email or in-app chat. Response times are typically 24–48 hours for non-urgent issues, which is slower than some competitors (e.g., Starling Bank offers faster chat support). If you require immediate assistance, Mettle may not be ideal. However, for routine questions and account management, the in-app chat is usually sufficient.
UseMyCode Trust Insight: Mettle's regulatory status (FCA-authorised, NatWest-owned, FSCS-protected) is genuinely strong and places it among the most trustworthy fintech banking options in the UK. However, trust is not binary; it exists on a spectrum. The account closure risk and slower support response times are real trade-offs you should weigh against the zero-fee structure and included accounting software. For most UK sole traders without complex compliance profiles, the risk-reward balance favours Mettle. For businesses with high-volume transactions or those prioritising customer support responsiveness, traditional banks or faster fintech alternatives may be preferable.
Mettle 2026: Our Trust Verdict for UK Business Owners
Mettle is a legitimate, FCA-regulated UK business bank owned by NatWest Group, with FSCS deposit protection up to £85,000 per account holder, industry-standard security measures, and a transparent data privacy framework compliant with UK GDPR. These regulatory and structural protections place Mettle among the most trustworthy fintech banking options available to UK sole traders and limited companies as of 2026. The £50 referral code (HTLSB) is safe to claim through the official Mettle app or verified sources like UseMyCode, and the bonus is genuine account credit with no hidden conditions beyond standard eligibility requirements (new customer, UK tax resident, no Mettle account in the previous 12 months).
However, trust in a financial service provider should also consider operational factors beyond regulation. Mettle's account closure policies are more aggressive than traditional banks, and customer support responsiveness is slower than some competitors. If you are comfortable with these trade-offs in exchange for zero monthly fees and free accounting software, Mettle is a strong choice. If you require lending facilities, phone support, or a relationship banking model, traditional banks or alternative fintech platforms may be better suited. For the estimated 1.8 million UK self-employed workers and micro-business owners, Mettle offers a compelling, trustworthy option that has justified its growth since 2016. To explore the current offer and claim the £50 referral bonus, visit our discount code page for full terms and step-by-step claiming instructions.
About This Article
This article was written by the UseMyCode editorial team and last reviewed on 12 July 2026. UseMyCode independently verifies every referral link and discount code before publication. This page may contain affiliate links — see our editorial policy for details.
