What is accounts payable?

Published Wednesday 17 June 2026

Table of contents

• What is accounts payable?
• Examples of accounts payable
• Accounts payable vs. accounts receivable
• Is accounts payable an asset or liability?
• Is accounts payable a credit or debit?
• The accounts payable process
• How to manage accounts payable effectively
• Common accounts payable challenges
• Simplify your accounts payable with Xero
• FAQs on accounts payable

Key takeaways

• Accounts payable (AP) is the money your business owes to suppliers and vendors for goods or services purchased on credit, recorded as a current liability on your balance sheet.
• Tracking AP separately from accounts receivable gives you a clear picture of cash flowing out versus cash coming in, which helps you plan spending and avoid shortfalls.
• A consistent AP process, from invoice receipt through to payment and reconciliation, reduces the risk of late fees, duplicate payments, and strained supplier relationships.
• Automating AP tasks such as invoice capture, approval workflows, and payment scheduling frees up time you can spend running your business instead of chasing paperwork.

What is accounts payable?

Accounts payable (AP) is the money your business owes to suppliers and vendors for goods or services you've purchased on credit but haven't yet paid for. It represents your outstanding bills and short-term financial obligations.

Every time you receive an invoice from a supplier, the amount on that invoice becomes part of your accounts payable until you settle it. In your supplier's records, that same amount appears as accounts receivable, the money they expect to collect from you.

The term "accounts payable" can also refer to the business function responsible for managing these payments. In larger companies, a dedicated AP team reviews invoices, schedules payments, and keeps accurate payment records. For small businesses, you might handle AP yourself or work with a bookkeeper.

Examples of accounts payable

Accounts payable covers any amount your business owes for goods or services received on credit. Here are some common examples with typical figures a UK small business might see:

• Supplier invoices: a wholesaler sends you a bill for £2,500 worth of stock delivered this month
• Utility bills: your quarterly electricity bill of £480 arrives and is due in 30 days
• Professional services: your accountant invoices £1,200 for preparing your annual accounts
• Equipment leasing: a monthly £350 payment for a leased printer or company vehicle
• Office rent: your landlord bills £1,800 for next month's office space
• Software subscriptions: an annual licence fee of £600 invoiced by a technology provider

Each of these amounts sits in your accounts payable from the moment you receive the invoice until you make the payment. Once paid, the amount moves out of AP and is recorded as a completed transaction in your books.

Accounts payable vs. accounts receivable

Accounts payable and accounts receivable represent opposite sides of the same business transaction. Understanding the difference helps you track cash flowing in and out of your business.

Accounts payable is money your business owes to others. It covers the following:

• Unpaid supplier invoices, utility bills, and rent
• A current liability on your balance sheet
• Cash that will leave your business

Accounts receivable is money others owe your business. It covers the following:

• Customer invoices you've sent but haven't been paid for
• A current asset on your balance sheet
• Cash that will come into your business

When you buy office supplies on credit, that unpaid invoice is your accounts payable. When you sell products to a customer and send them an invoice, that becomes your accounts receivable until they pay. Both affect your cash flow; AP is money going out, and AR is money coming in.

Is accounts payable an asset or liability?

Accounts payable is a liability because it represents money your business owes to others. Specifically, it's classified as a current liability on your balance sheet, meaning it's a debt you expect to settle within 1 year.

Several characteristics make AP a liability rather than an asset:

• Financial obligation: you have a legal duty to pay these amounts
• Money outflow: AP represents cash that will leave your business
• Time-sensitive: most AP must be settled within 30 to 60 days
• Balance sheet placement: it sits under current liabilities, not assets

Late payments are a persistent challenge for UK small businesses. Xero Small Business Insights data from 440,000 UK small businesses shows that businesses were paid on average 8.2 days late in Q1 2026. That delay has a knock-on effect: when your customers pay late, it can be harder to settle your own accounts payable on time.

Understanding this classification helps you manage cash flow and maintain accurate financial records for tax reporting and business planning.

Is accounts payable a credit or debit?

Accounts payable is recorded as a credit in your accounting records because it represents an increase in your liabilities. When you receive an invoice from a supplier, you credit your accounts payable account to show that you owe more money.

In double-entry bookkeeping, every transaction has 2 sides. When you buy £500 of supplies on credit, you debit your supplies expense account (increasing expenses) and credit your accounts payable account (increasing what you owe). When you pay the invoice, you debit accounts payable (reducing the liability) and credit your bank account (reducing your cash).

AP moves in your books as follows:

• Receiving an invoice: credit accounts payable (liability goes up)
• Paying an invoice: debit accounts payable (liability goes down)
• Returning goods to a supplier: debit accounts payable (liability goes down)

If you're using accounting software like Xero, these entries are handled automatically when you record bills and make payments, so you don't need to manage debits and credits manually.

The accounts payable process

The accounts payable process is the series of steps your business follows from receiving a supplier invoice to recording the completed payment. A clear, consistent process helps you avoid missed payments, duplicate invoices, and errors in your financial records.

1. Receive the invoice

Your supplier sends an invoice by email, post, or through an online portal. Log the invoice as soon as it arrives so nothing gets lost. Tools like Hubdoc can automatically capture bills and pull them into your accounting software.

2. Verify the details

Check that the invoice matches your purchase orders and what you received. Confirm the supplier name, amounts, quantities, and payment terms are correct. Flag any discrepancies with the supplier before approving.

3. Approve the invoice

Route the invoice to the right person for sign-off. For small businesses, this might be you; for growing teams, set up a simple approval workflow so the right people review higher-value invoices.

4. Schedule the payment

Once approved, schedule the payment based on the supplier's terms. Paying on time protects your supplier relationships, while scheduling strategically helps you manage cash flow.

5. Make the payment

Pay the supplier using your preferred method, such as bank transfer, direct debit, or cheque. Record the payment date and reference number for your records.

6. Reconcile the transaction

Match the payment against the original invoice in your accounting software. This confirms the amount has left your bank account and removes the invoice from your accounts payable. Automated bank reconciliation in Xero can help speed up this step.

How to manage accounts payable effectively

Managing accounts payable well means paying the right amount, to the right supplier, at the right time. These best practices help you stay organised and protect your cash flow.

• Centralise your invoices: keep all supplier invoices in 1 place rather than spread across email inboxes, desk trays, and folders. A single system of record makes it easier to track what's due and when.
• Set up approval workflows: define who needs to approve invoices and at what value thresholds. Clear workflows prevent unauthorised payments and reduce the chance of errors.
• Reconcile regularly: don't leave reconciliation to the end of the month. Matching payments to invoices weekly, or even daily, keeps your records accurate and helps you spot issues early.
• Track payment terms: note the due dates and early payment discount windows for each supplier. Some suppliers offer a small discount for paying within 10 or 14 days, which can add up over time.
• Automate where possible: use accounting software to capture invoices automatically, send payment reminders, handle payment scheduling, and match transactions to bank feeds. Automation reduces manual data entry and the errors that come with it.
• Review your AP ageing report: an accounts payable ageing report groups your outstanding invoices by how long they've been due. Reviewing it regularly helps you prioritise payments and avoid overdue bills.

Common accounts payable challenges

Even with a solid process in place, accounts payable can present challenges, especially for small businesses handling it alongside everything else. Recognising these common issues helps you address them before they cause problems.

• Manual data entry errors: keying in invoice details by hand increases the risk of typos, wrong amounts, or duplicate entries. These errors can lead to overpayments or missed invoices.
• Lost or delayed invoices: paper invoices get misplaced, and emails get buried. If an invoice doesn't make it into your system promptly, you risk paying late and damaging supplier relationships.
• Duplicate payments: without a reliable way to match invoices to purchase orders, it's possible to pay the same invoice twice. This ties up cash unnecessarily and creates extra work to recover the overpayment.
• Poor cash flow visibility: if you don't have a clear view of what you owe and when it's due, it's difficult to plan your spending. Unexpected payment obligations can leave you short at the wrong time.
• Slow approval bottlenecks: when invoices sit waiting for someone to approve them, payment deadlines pass. A backlog of unapproved invoices leads to late fees and strained supplier relationships.

Most of these challenges come down to relying on manual processes. Moving to automated invoice capture, approval workflows, and payment scheduling removes the friction that causes delays and mistakes.

Simplify your accounts payable with Xero

Keeping on top of accounts payable doesn't have to be time-consuming. With the right tools, you can automate the repetitive admin and focus on running your business.

Xero Small Business Insights data from 440,000 UK small businesses shows the average time to be paid was 29 days in Q1 2026. With payment cycles that tight, having a reliable system to track what you owe and when it's due makes a real difference to your cash flow.

Xero's accounts payable features help you stay organised by bringing your bills, payments, and bank feeds into 1 place. You can capture invoices automatically with Hubdoc, set up approval workflows for your team, schedule payments so nothing falls through the cracks, and reconcile transactions with automated bank feeds. That means less time on paperwork and more confidence that your records are accurate. Get one month free.

FAQs on accounts payable

Here are answers to frequently asked questions about accounts payable.

How can you tell if your accounts payable balance is healthy?

Compare your total AP to your available cash and incoming receivables. If your AP is growing faster than your revenue or cash reserves, it could signal a cash flow problem that needs attention.

What happens if you don't pay accounts payable on time?

Late payments can lead to penalty charges, higher costs on future orders, and damaged supplier relationships. In some cases, suppliers may tighten your credit terms or stop supplying your business altogether.

How does accounts payable affect cash flow?

Accounts payable represents future cash outflows. The timing of when you settle your AP directly affects how much cash you have available at any given point, so tracking due dates is essential for cash flow planning.

How can you measure your accounts payable efficiency?

Track your accounts payable turnover ratio by dividing total credit purchases by your average AP balance. A higher ratio means you're settling invoices faster, while a declining ratio may signal cash flow pressure.

What is an accounts payable ageing report?

An AP ageing report groups your unpaid invoices by how long they've been outstanding, typically in 30-day brackets. It helps you see which payments are overdue and prioritise accordingly.

Does accounts payable include VAT?

Yes, the amount recorded in accounts payable typically includes VAT. When you reclaim VAT on your VAT return, the reclaimable portion is separated and recorded in a VAT control account.