Mettle

What is Mettle?

Mettle is a UK business account by NatWest designed for sole traders and small limited companies that want a modern, app-based way to manage money. It offers a UK account number and sort code, a business debit card, invoicing tools, receipt capture, categorisation, and direct integrations with popular accounting platforms. The product is aimed at UK-based businesses that want a straightforward account with helpful bookkeeping features built in, without a monthly account fee.

From a regulatory perspective, Mettle operates in connection with NatWest Group. The account and card are provided through an FCA-authorised electronic money institution (EMI) framework, and customer funds are safeguarded in accordance with e-money regulations rather than covered by the Financial Services Compensation Scheme (FSCS) like a traditional bank deposit. In practical terms, that means client money is held in segregated accounts with safeguarding protections, but it is not FSCS-insured. Users should confirm the latest legal notices and terms on Mettle’s site to understand how safeguarding applies to their account.

Mettle focuses on the UK market. Eligibility typically requires that the business is based in the UK and that directors or owners are UK residents. The product is built around domestic payments and everyday business spending; it is not a multi-currency account and does not advertise international transfers. As an app-first service, Mettle is a fit for freelancers, contractors, and smaller limited companies that receive and make payments in the UK and value built-in features like invoicing, tax pots, and bookkeeping integrations.

Mettle Key Features & Services

Mettle packages a set of banking and bookkeeping tools in one place to simplify how small businesses and sole traders get paid and stay organised. Below are the core features that define the product experience for day-to-day UK business use.

Business account with UK details and debit card

Mettle provides a UK account number and sort code so businesses can receive Faster Payments and set up standing orders and Direct Debits. A business debit card is included for card purchases and cash withdrawals, with real-time spending notifications and in-app card controls such as freeze/unfreeze if the card is misplaced. The app supports everyday tasks like viewing transactions, searching by merchant or category, and matching spend to receipts. For users who prefer paying with their phone, Mettle supports mobile wallet use on compatible devices so in-store and online purchases can be made without the physical card.

Invoicing built into the app

A standout feature is Mettle’s built-in invoicing. Users can create branded invoices in minutes, send them to customers, and track payment status from the app or web. You can add due dates, itemise services or products, and set up invoice references for easier reconciliation. Payment reminders help reduce late payments by prompting customers ahead of due dates. Because the invoicing tool sits alongside the account, the process of matching paid invoices to incoming transfers is simpler than exporting and reconciling across separate systems. For many sole traders and micro businesses, this removes the need for a separate invoicing product.

Accounting integrations and bank feeds

Mettle integrates directly with leading accounting platforms, including Xero, QuickBooks and FreeAgent. Live bank feeds reduce manual data entry, while categorisation and receipt attachments help keep books tidy for month-end and tax time. CSV export is available if you prefer manual workflows or need to share data with an accountant. Some Mettle customers may be eligible for FreeAgent included at no extra cost; eligibility criteria apply and are set out on Mettle’s website. If you already use Xero or QuickBooks, the direct feed and transaction enrichment can significantly cut reconciliation time and errors.

Receipt capture, categorisation and notes

Managing receipts is a frequent pain point for small businesses. Mettle lets you snap and attach receipts to transactions from within the app, add notes for context, and assign categories for bookkeeping. This feature supports cleaner records, easier VAT returns preparation, and faster year-end accounts. When combined with the accounting integrations, many expenses flow through to your ledgers with the right metadata, reducing the back-and-forth between owner and accountant when closing the books.

Tax pots and cash flow tools for sole traders

For sole traders, Mettle includes tax-focused tools such as a dedicated tax pot to set money aside as you earn. You can move funds into pots to earmark for HMRC payments or other goals and view simple insights that help avoid surprises at tax time. While this is not tax advice and doesn’t replace an accountant, many self-employed users find that automatically ring-fencing a percentage of income improves cash flow discipline and reduces last-minute scrambles to fund Self Assessment.

Real-time notifications and security controls

Mettle provides instant notifications on card transactions and incoming payments, giving better visibility over cash flow. Security features include biometric login (where supported), the ability to freeze and unfreeze your card, and spending alerts. Because it is an app-centric service, most day-to-day account administration can be managed directly from a smartphone, reducing the need for calls or branch visits. This suits businesses that want quick control rather than waiting for mailed statements or batch updates.

Mettle Pricing & Fees

Mettle positions itself as a free business account for UK users. The website highlights no monthly account fee for core account access and features. Not all potential fees are publicly itemised; for any edge cases or non-standard services, you should review the latest tariff and terms in the app or on the website.

The table below summarises what is publicly marketed and what is not disclosed. Always confirm live pricing before making decisions, as fees and limits can change.

Item	Price/Status
Monthly account fee	£0 (no monthly fee advertised)
UK transfers (Faster Payments)	Included; specific per-transaction fees not publicly itemised
Direct Debits and standing orders	Supported; specific fees not publicly itemised
International transfers	Not supported
Multi-currency accounts	Not supported
Card purchases in GBP	Available; detailed fee schedule not publicly itemised
Cash withdrawal	Available; detailed fee schedule not publicly itemised
Accounting integrations	Included; FreeAgent may be included for eligible customers

Notes:

• Mettle focuses on UK payments and does not advertise international transfers or multi-currency balances.
• For any applicable network, ATM, or out-of-scheme charges, consult Mettle’s current terms and fee pages.

Pros and Cons of Mettle

Pros

• No monthly account fee for the core UK business account, which helps keep fixed costs low for startups and sole traders.
• Built-in invoicing reduces the need for a separate invoicing app and improves payment tracking and reconciliation.
• Direct accounting integrations with Xero, QuickBooks and FreeAgent streamline bookkeeping; some users may qualify for FreeAgent included.
• Real-time spending notifications, receipt capture and categories support cleaner records and better cash flow oversight.
• Backed by NatWest Group, giving brand familiarity and robust operational infrastructure behind the digital experience.

Cons

• Operates under an EMI safeguarding model rather than FSCS deposit protection, which some businesses may prefer to avoid.
• UK-only focus with no international transfers or multi-currency accounts, limiting suitability for globally trading firms.
• No overdraft or traditional lending products available within Mettle, so credit needs require separate solutions.
• App-first service without branch banking; businesses wanting in-person support or counter services may find it limiting.
• Fee details for specific scenarios (e.g., certain ATM or card use cases) are not fully itemised on public pages and require checking the latest tariff.

Who Is Mettle Best For?

Mettle is best for UK-based sole traders, freelancers and small limited companies that mainly transact in GBP and want an account with helpful admin tools built in. If your business sends and receives domestic payments, issues a handful of invoices each month, and values features like receipt capture, categorisation and tax pots, Mettle offers strong utility without a monthly account fee. Owner-managed businesses that rely on Xero, QuickBooks or FreeAgent get additional time savings thanks to direct bank feeds and transaction enrichment.

It also suits newly formed companies and side hustles that need to separate business and personal finances quickly, with instant spending notifications and app-level card controls. For contractors and creatives who spend from a mobile-first workflow, having invoicing, payment tracking and bookkeeping integrations in the same place can meaningfully reduce admin time.

Mettle is not the right fit for businesses that require multi-currency accounts, international payments, or advanced treasury features. Larger SMEs with complex approval flows, detailed spending controls for many team members, or structured credit needs may prefer a full-service business bank or a platform focused on expense management and multi-entity reporting. If you regularly settle invoices in EUR/USD, hold foreign currency balances, or need batch international payouts, consider a multi-currency alternative.

Mettle Alternatives

• Starling Bank Business (/starling-bank) – A full UK business bank account with FSCS protection and robust features for SMEs. Better suited if you want a fully regulated bank with options like multi-user access, Euro and USD accounts, and wider marketplace integrations beyond core bookkeeping.

• Tide (/tide) – A digital business account with tiered plans, expense cards and a broad marketplace of add-ons. Pick Tide if you want paid plans with extras like team cards, cash deposit options, and credit products offered through partners, alongside a strong mobile experience.

• Monzo Business (/monzo-business) – Useful for businesses that want a full UK bank with Pro plan features such as integrated invoicing, multi-user access and advanced controls. Choose Monzo Business if FSCS protection and a deeper set of team spending tools are important.

• Wise Business (/wise-business) – A better fit for companies that need multi-currency accounts with local bank details in major currencies and low-cost international transfers. Wise is aimed at globally trading SMEs and online sellers who must receive and pay abroad frequently.

• Revolut Business (/revolut-business) – Designed for teams operating across borders, with multi-currency accounts, corporate cards and role-based spend controls. Consider Revolut Business if your priority is international payments, FX at transparent rates, and scalable controls for multiple users.