Best Business Bank Accounts UK 2026: CMA9 Comparison, Fees and Features

Part of our complete guide:

How to Make a Will Online UK 2026 - Complete Guide →

Make a Will Online from £29.99 →

Free vs paid business bank accounts compared

When weighing up the best business bank accounts UK firms can open, the first split is between free or low-cost digital providers and the paid current accounts offered by the established high-street banks. Digital challengers such as Starling, Monzo Business and Tide built their propositions around app-first onboarding and headline monthly fees of zero or a few pounds, recovering costs through transaction charges on cash and through paid feature tiers. The high-street banks (HSBC Kinetic, Barclays and Lloyds) typically offer an introductory free banking period and then move to a monthly account fee plus per-transaction charges, but they bundle in branch access, established lending desks and broader treasury services.

The trade-off is rarely just the headline fee. A purely digital account can keep monthly costs near zero for a software-driven business that banks electronically, but firms that take significant cash or cheques may pay more in per-deposit charges than a flat high-street fee would cost, and they lose the over-the-counter convenience of a branch. The high-street accounts charge more month to month, yet they tend to offer deeper, faster routes to overdrafts, loans, asset finance and invoice finance because the underwriting sits in-house. A retailer banking daily takings has different priorities from a consultancy invoicing three clients a month, so the cheapest sticker price and the lowest total cost of ownership are not always the same account.

Free banking periods deserve particular scrutiny. The high-street introductory offers are time-limited, typically running for a defined window before the standard monthly tariff and per-transaction charges begin, so the headline saving applies only in the first year or two of trading. The digital accounts that advertise no monthly fee usually keep that core account free indefinitely, but recover revenue through charges for cash deposits, faster outbound payments above an allowance, or paid feature tiers that unlock invoicing, tax pots and multi-user access. The right comparison is therefore the projected annual cost once the introductory period ends, weighted by how the business actually transacts: volume and value of payments in and out, frequency of cash and cheque handling, and whether features such as bookkeeping or sub-accounts would otherwise be bought separately. A business that expects to apply for borrowing within its first few years should also weigh the value of an existing relationship with a lender that holds its current account, since payment history visible through that account can support a credit decision.

Challenger banks vs high street banks: FCA status and FSCS protection

The most important distinction behind the brand names is regulatory status, because it decides whether your balance is protected by the Financial Services Compensation Scheme (FSCS). A fully licensed bank holds authorisation from the Prudential Regulation Authority (PRA) and the Financial Conduct Authority (FCA) and its eligible deposits are covered by the FSCS up to £85,000 per eligible business depositor, per banking licence. An e-money institution (EMI) is authorised by the FCA under the Electronic Money Regulations but does not hold a banking licence: instead of FSCS cover it must safeguard customer funds, typically by holding them in a separate account at a licensed bank, so the protection mechanism is different in kind, not just in degree.

For a business holding meaningful balances, the practical message is that not every app called a business account is a bank. Starling and Monzo carry full PRA-authorised banking licences, so they sit alongside HSBC, Barclays and Lloyds for the purposes of FSCS cover up to £85,000 per eligible business depositor at a licensed bank. Tide and Revolut Business, by contrast, deliver their UK accounts through e-money permissions and rely on safeguarding rather than the FSCS: in an insolvency, safeguarded funds should be returned but the compensation scheme does not step in. That does not make an EMI account unsafe for day-to-day trading, but firms parking cash above the protected threshold should check the FCA Register for each provider's exact permissions and, where it matters, spread balances across separate licensed banks rather than separate brands that may share one licence.

Two further points are easy to miss. First, the £85,000 limit is per banking licence, not per account or per brand, so holding several accounts at banks that sit under the same authorised entity does not multiply the cover. Second, the PRA and FCA split supervision deliberately: the PRA oversees the prudential safety and soundness of deposit-takers, while the FCA regulates conduct for both licensed banks and e-money institutions. An EMI is genuinely authorised and supervised, and safeguarding gives a meaningful claim on customer money, but it is a different promise from a deposit guarantee backed by an industry-funded compensation scheme. For most small firms running modest working balances the distinction is academic; for those holding large reserves, deposits from grants, or client money, it can be the single most important feature of the account.

CMA9 Open Banking: what your business account must offer

Open Banking exists because of the Competition and Markets Authority. The CMA Retail Banking Market Investigation Order 2017 concluded that older banks did not have to compete hard enough for customers, and it forced change by naming the nine largest current-account providers in Great Britain and Northern Ireland (the CMA9) and requiring them to build and maintain standardised application programming interfaces (APIs). Those banks include HSBC, Barclays, Lloyds Banking Group, NatWest, Santander, Nationwide, Danske, Bank of Ireland and AIB. The result is the framework now generally called Open Banking: a regulated way for a customer to let an authorised third party read account data or initiate payments, with consent, rather than handing over login credentials.

For a business account, two rights matter most. Account information services let authorised software pull transaction data directly, which is what powers live feeds into Xero, QuickBooks, Sage and FreeAgent, automated bookkeeping and real-time cash-flow forecasting. Payment initiation services let a business pay invoices or collect from customers straight from the account without a card scheme in the middle, often at lower cost. Because the CMA Order only set a baseline for the CMA9, smaller and challenger providers frequently exceed it, exposing richer APIs, instant notifications and deeper accounting hooks as a selling point. When comparing accounts, it is worth checking which integrations a provider supports natively and whether it is an authorised participant under the FCA-regulated framework, since that connectivity increasingly determines how little manual admin a business has to do at month-end and year-end.