Opening and Managing a Business Bank Account

A business bank account separates your company’s finances from your personal money. For UK limited companies, using a business account is a practical necessity – mixing personal and company funds makes bookkeeping harder, complicates bank reconciliations and raises questions during tax investigations.

Do You Need a Business Bank Account?

Most business bank account terms and conditions require the account to be used only for business purposes. Personal transactions through a business account breach these terms and can result in the account being closed.

What You Need to Open an Account

The exact requirements vary by bank, but most UK business bank accounts require:

For a Limited Company

For a Sole Trader

• Personal ID (passport or driving licence)
• Proof of address (utility bill, bank statement)
• UTR number (Unique Taxpayer Reference from HMRC, if registered)
• Description of business activity

Types of Business Bank Account

Most businesses start with a business current account and add other accounts as needed.

Typical Fees

Business bank accounts are rarely free beyond an initial introductory period. Common charges include:

Many banks offer free banking for the first 12-24 months for new businesses. After the introductory period, charges apply.

Digital-Only Banks

Online-only business banks (such as Starling, Tide and Monzo Business) often offer:

• No monthly fees or lower fees than traditional banks
• Faster account opening (sometimes within hours)
• Built-in accounting integrations through bank feeds
• Real-time notifications for every transaction
• In-app invoicing and expense categorisation

The trade-off is that digital banks may not offer cheque facilities, cash deposit services or dedicated relationship managers.

Opening Process Timeline

Traditional high-street banks may take 2-4 weeks for the full process, especially if they request additional documentation. Digital banks are typically faster.

Setting Up the Account for Accounting

Once the account is open, connect it to your accounting system:

Bank Feeds

Most cloud accounting software supports automatic bank feeds – a secure connection that imports transactions directly from the bank into the accounting system. This eliminates manual data entry and makes bank reconciliation faster.

Payment Categories

Set up payment categories in the accounting software that match the company’s chart of accounts. Common categories include:

• Revenue / sales income
• Supplier payments
• Salary payments
• HMRC payments (PAYE, VAT, Corporation Tax)
• Rent and utilities
• Professional fees
• Travel and subsistence

Standing Orders and Direct Debits

Set up recurring payments as soon as the account is active:

Managing the Account Day to Day

Regular Reconciliation

Reconcile the bank account to the accounting records at least monthly. This means checking that every transaction in the bank matches a corresponding entry in the accounts. Unexplained differences should be investigated immediately.

Maintaining Adequate Funds

Keep enough cash in the account to cover:

• Payroll – salary payments and HMRC PAYE
• VAT – quarterly VAT payments
• Corporation Tax – due 9 months and 1 day after the accounting period end
• Supplier payments – invoices due within credit terms
• A buffer for unexpected costs

Separating Tax Money

A common practice is to maintain a separate savings account for tax. Transfer a percentage of each payment received (typically 20-30%) into the savings account so that VAT, Corporation Tax and personal tax liabilities are covered when they fall due.

Business Bank Account and Company Formation

When registering a company , the bank account is usually one of the first things to set up after incorporation. The company needs the account to:

• Receive the initial share capital from the shareholders
• Pay for formation costs (registration fees, legal fees)
• Start trading and receiving income

Some company formation agents offer a bank account opening service as part of the incorporation package.

Switching Business Bank Accounts

The Current Account Switch Service (CASS) applies to business accounts with up to a certain number of employees (currently 49). Under CASS:

• The switch completes in 7 working days
• All direct debits and standing orders are transferred automatically
• Payments to the old account are redirected for 3 years

For businesses not covered by CASS, switching requires manually setting up new payments and updating customers with the new bank details.

Common Mistakes

• Using a personal account for business – makes accounting difficult and looks unprofessional on invoices
• Not reconciling regularly – errors compound over time and become harder to trace
• Ignoring bank charges – they add up and should be factored into cash flow planning
• Not setting up bank feeds – manual entry is slower and more error-prone
• Only having one account – a second account for tax reserves prevents cash shortfalls at payment time