When I opened my first business bank account I picked it for one reason: it was where my personal account was. That turned out to be one of the most expensive decisions I made in my first year. Different banks suit different businesses, and the right choice can save you anywhere from £200 to £600 a year in fees alone – never mind the time you’ll save with a properly integrated account. This guide walks through what actually matters when you’re choosing, without recommending a specific bank.
Why a separate business bank account matters
For a limited company, the company is a separate legal entity. Its money isn’t your money – it belongs to the company, and you, as a director, owe duties to keep the two distinct. Mixing personal and business spending isn’t illegal in itself, but it’s a governance failure that can come back to bite when something goes wrong: an HMRC enquiry, a director dispute, or an insolvency. Courts and HMRC look at the blur, and the more porous the line, the harder it is to argue the company’s separation has been respected.
For sole traders, a separate business account isn’t a legal requirement, but it’s operationally essential. Trying to extract business transactions from a mixed personal current account at year end wastes hours and increases the chance of getting Self Assessment wrong. There’s also a quieter problem: most personal-account terms and conditions prohibit running a business through them, so technically your bank can close the account if they spot the activity.
On record-keeping: limited companies must keep accounting and company records for at least six years from the end of the accounting period; sole traders must keep records at least five years from the 31 January submission deadline of the relevant tax year. A clean transaction stream from a dedicated business account is the single most useful thing you can hand your accountant.
What to actually compare
Most founders shop on monthly fee alone. That’s usually wrong. Here’s the proper checklist.
Monthly account fee. Ranges from £0 (most digital-only providers) to £15-£20 a month at the high street. High street accounts are often free for the first 12-24 months and then revert to a standard fee, so check what year three looks like, not just year one.
Transaction fees. Especially cash deposits and withdrawals. Some accounts charge nothing; others 50p to £1 per transaction. If you handle cash, this matters more than the headline monthly fee.
Open Banking integration. Can your accounting software (FasCash, Xero, QuickBooks, FreeAgent) pull transactions from this account automatically? Almost all UK business accounts now support Open Banking, but a handful of e-money providers don’t expose every feed. Test this before you commit.
FSCS protection. The Financial Services Compensation Scheme protects up to £85,000 per depositor per authorised institution. If you regularly hold meaningful cash balances, splitting them across two FSCS-covered banks doubles the cover.
International payments. SWIFT fees, FX margins, and the time it takes for a USD or EUR payment to clear. Critical if you work cross-border – and the difference between a high-margin high-street account and a low-margin specialist provider is easily four-figure on any meaningful volume.
Branch access and customer service. Branch access matters mainly if you take cash. Customer service is harder to compare in a guide, but Trustpilot, the FOS complaints data, and a friend who already banks there are better signals than marketing pages.
Onboarding restrictions. Easy to miss until it’s biting. Several digital providers won’t onboard non-UK-resident directors at all; some decline particular SIC codes (anything crypto-adjacent, high cash turnover, regulated financial services, gambling, adult content); some require all directors to be on UK photo-ID with a UK proof-of-address. If you’re anything other than a UK-resident director with a boring SIC code, check each provider’s onboarding policy before you waste a week applying. Banks publish this on a help page if you dig.
Lending appetite. Less urgent for week-one decisions but worth thinking about. If you expect to need a business overdraft, an invoice-finance facility, or a small loan within the first 18 months, your account provider’s attitude matters. Some digital banks lend; many don’t. High street banks lend, but typically only to existing customers with a 6-12 month transaction history. Picking a primary account that can grow with you saves a switch later.
High street banks vs digital-only banks
High-street banks (Barclays, Lloyds, NatWest, HSBC and the like) bring the things you’d expect: branch networks, decent cash handling, business credit facilities once you’ve built a relationship, and instant credibility with conservative counterparties. The trade-offs: slower account opening (often weeks), higher fees once the introductory period ends, and an app experience that has improved a lot but rarely matches the digital-only crowd.
Digital-only banks (Starling, Tide, Monzo Business, Revolut Business and the rest) bring the opposite: fast onboarding (days for sole traders, days-to-weeks for limited companies), lower fees, very good apps, and strong Open Banking integration. The trade-offs: no branch (which matters if you take cash), and a licence-status distinction worth understanding before you sign up.
That distinction: not every “bank” you see in the digital category is actually a bank. Some are e-money institutions (EMIs). EMIs are regulated, but they don’t hold a banking licence and your money isn’t covered by FSCS. Instead, EMIs are required to “safeguard” customer funds – ring-fenced accounts at a real bank or held in low-risk assets – which is meaningful protection but different from FSCS insurance. Check the FCA Register to see whether the provider holds a banking licence or an EMI authorisation. If you hold meaningful cash balances, the difference is worth caring about.
Open Banking and accounting integration
Open Banking is a UK regulation that lets banks share your account data with authorised third parties when you grant permission. In practice it means your accounting software can pull every transaction from your bank account, daily, with no manual import. That eliminates the spreadsheet-and-CSV dance that used to be the largest single time-cost in keeping the books up to date.
Two things to know. First: Open Banking is read-only. The connection lets your accounting tool see transactions; it can’t initiate payments or move money. Second: not every bank supports every accounting tool, and the quality of the connection varies (how often it refreshes, whether it pulls pending transactions, whether it survives a password change). Check the integration before you commit, especially if you’ve already chosen your accounting software.
Multi-currency accounts
If you invoice clients in EUR, USD or anything else, a multi-currency account avoids paying conversion margins twice (once on receipt, once when you pay it out). Some digital banks include a multi-currency module on their entry tier; others charge for it. The right comparison is account FX margin (often 0.4% to 2% on top of interbank) versus the bank’s SWIFT spread, which can be much wider.
Wise Business and Revolut Business are multi-currency natively and tend to be cheap on cross-border movement. Some high-street offerings now match them, but it’s worth pricing the specific corridor (GBP-EUR, GBP-USD) you actually use rather than relying on a marketing comparison. If you handle five figures a month in foreign currency, the difference is real money.
The Current Account Switch Service
The Current Account Switch Service (CASS) covers business accounts as well as personal. The 7-working-day switch guarantee moves your direct debits, standing orders, and incoming payments from the old account to the new automatically. Your old account closes on the switch date; payments to it are redirected for 36 months. It’s the same mechanism most people are familiar with on the personal side, and it works the same way for sole traders and small companies.
Two practical notes. Not every UK business account participates in CASS – check before you start. And don’t schedule the switch in the week of a VAT-return submission, a payroll run, or a major payment to a critical supplier; even with the guarantee, a few days of overlap reduces stress if anything goes sideways.
Common pitfalls
Mixing personal and business. The most common single mistake new founders make. The fix is boring but effective: one card for the business, one for personal, never the wrong one for the purpose.
Treating a personal account as a business one. Most banks’ T&Cs prohibit business use of a personal current account, so the “temporary” arrangement can end with the account being closed.
Forgetting to update HMRC, suppliers, and clients after a switch. CASS handles direct debits, but HMRC payment details (Corporation Tax, VAT, PAYE) and client invoice footers don’t update themselves.
Not noticing the fee step-up. Many high-street offers are free for 12 or 24 months, then revert to a standard fee. Diary the cliff and decide whether to renegotiate, accept the fee, or switch.
Holding more than £85,000 with one FSCS-covered institution. If your business sits on meaningful cash, split it across two banks (or use an authorised cash-management service that does the splitting for you).
What to do once your account is open
Update HMRC payment details so Corporation Tax, VAT, and PAYE payments come from the right account. Set up direct debits for recurring suppliers. Connect the account to your accounting software via Open Banking on day one. Open a separate sub-account or linked savings account for tax money – VAT collected from customers and Corporation Tax accrued on profits – so the cash you’re holding for HMRC is visibly separate from trading cash. And establish a single rule that everyone in the business (including future you) can follow: every business expense goes through the business account. No exceptions.
A few specific updates to do in the first week so you don’t forget. Update your HMRC Corporation Tax account with the new sort code and account number; the same payment details flow through to VAT and PAYE if those are live. Update invoice templates so the “pay to” section shows the new account – common mistake is to forget this and have client payments still landing in the old account for months. If you’re a director, also update your dividend disbursement details so the company actually sends dividend payments from the right place.
On naming: pick consistent labels for sub-accounts and stick to them. “Trading”, “Tax reserve”, “Dividends declared” works well. The reason: when you connect the account to accounting software via Open Banking, transfers between sub-accounts show up as transactions; clear naming saves you hours of categorisation work down the line. The boring rule – one card, one account, one mental model – is the discipline that turns year-end accounts from a fortnight of pain into an afternoon.
Frequently asked questions
The questions founders ask most often when they’re picking their first business bank.
Do I have to have a business bank account if I'm a sole trader?
No, legally. But operationally it's essential. Trying to extract business transactions from a mixed personal account when filing your tax return wastes hours and increases the risk of getting it wrong. Most personal account terms also prohibit using them for business purposes, so technically your bank could close the account if they spotted the activity.
Are digital banks safe?
It depends on whether they're authorised banks (FSCS protected up to £85,000 per institution) or e-money institutions (safeguarded but not FSCS-insured). The bank or e-money licence status is on each provider's website and on the FCA register. For balances under £85,000 with an FSCS-covered bank, the protection is identical regardless of whether the bank has branches or not.
How quickly can I open a business bank account?
Digital banks typically take 1-3 days for sole traders and 5-10 days for limited companies. High street banks often take 2-6 weeks because they require an in-branch ID check. If you need to start trading quickly, a digital account is the faster route.
Will I be credit-checked when opening a business account?
Most providers do a soft credit check on the directors and shareholders. This doesn't affect your credit score. A hard check usually only happens if you apply for a business overdraft or credit card.
Can I open a business account before my company is fully registered?
No, you need the Certificate of Incorporation and your company's Companies House number. Once your company is registered (typically within 24 hours of online application), you can apply.
What's “Open Banking” and why does it matter?
Open Banking is a UK regulation that lets banks share account data with authorised third-party providers (your accounting software, for instance) when you grant permission. It means your books update automatically with every transaction, instead of you re-typing CSVs into a spreadsheet. Almost all UK business accounts support it.
How do I switch from one business account to another?
If both banks participate in the Current Account Switch Service (CASS), you complete a switch form with the new bank, choose a switch date 7 working days out, and CASS moves your direct debits, standing orders, and incoming payments automatically. Your old account closes on the switch date. You can switch a business account this way the same as a personal one.
Can I have more than one business bank account?
Yes, and many founders do. A common setup: a primary account for trading, a separate account for tax money (VAT and Corporation Tax accruals), and a savings account for cash you're not using imminently. Spreads FSCS protection across institutions and creates clearer mental separation.
