Handbook / Bookkeeping and cash

Receipt tracking for small businesses: a simple system that holds up

Receipts are the proof behind your deductions. Without them, expenses are hard to support if the IRS asks, and bookkeeping turns into detective work at year end. A simple, consistent receipt system takes minutes a week and saves hours later.

What a good receipt shows

The IRS explains that supporting documents for expenses should identify:

• the payee
• the amount paid
• proof of payment
• the date incurred
• a description of the item or service that shows it was for business

Many receipts do not show everything. Add what is missing, especially the business purpose, as a note. For meals and travel, records of who attended and the business discussed are especially important; the guide to business meals explains why.

Types of supporting documents

The IRS lists supporting documents including sales slips, paid bills, invoices, receipts, deposit slips and canceled checks. For expenses, these may include:

• receipts and invoices
• credit card slips and statements
• canceled checks or bank records showing payment
• account statements from suppliers

A bank or card statement proves you paid, but usually not what you bought. Pair it with the receipt.

Capture immediately

The best system is the one you use the same day:

• Paper receipts: photograph them with a phone app before they fade or get lost.
• Email receipts: forward them to a dedicated address or set a rule that files them automatically.
• Online purchases: download invoices from supplier accounts.
• Recurring subscriptions: set up automatic invoice emails.

Many accounting tools let you attach a receipt photo directly to the transaction.

Store consistently

Choose one home for all receipts. If you use folders, organise by year and month, and name files with date, vendor and amount, for example "2026-11-03 office-supplies 48.20". Add a tag or note for the business purpose.

The IRS states that electronic accounting systems should meet the same basic recordkeeping principles, and that all requirements for hard copy records also apply to electronic records. Make sure images are complete and legible, and back them up.

Match to transactions

Each week:

1. open your bank and card transactions
2. attach or link the receipt to each business expense
3. categorise it in your chart of accounts
4. note any missing receipts and request copies

Weekly matching catches missing receipts while you still remember the purchase.

Mixed and personal purchases

If a receipt includes personal items, note which items were for business and record only those. Better still, use a separate business card so personal purchases do not appear in your business records at all.

How long to keep receipts

The IRS explains that you should keep records as long as they may be needed for the administration of tax law, generally the period of limitations for your return. For many returns that is three years from filing, with longer periods in some cases, such as underreported income. Records for property, such as equipment, should be kept until the period of limitations expires for the year you dispose of it. Some businesses keep everything for longer for simplicity.

Common problems

• Faded thermal receipts: photograph them immediately.
• Receipts in personal email: forward them to your business system.
• No business purpose noted: add it at capture time.
• Cash spending: note it straight away and keep any evidence.

A weekly routine

• capture throughout the week
• fifteen minutes to match and categorise
• monthly check for missing receipts before reconciling

The guide to bookkeeping for the self-employed shows how receipts fit into the monthly routine.

A monthly receipt routine

Set a recurring half hour at the end of each month:

1. Export the month's bank and card transactions.
2. Mark each business transaction that has a matching receipt.
3. Chase the gaps: download invoices from supplier accounts, search your email, or write a short note for small cash costs.
4. Move the month's files into a closed folder so nothing is overwritten later.

Doing this monthly keeps the job small and means missing receipts are found while vendors can still resend them.

Capture every receipt the day you get it, store it in one place with the business purpose noted, match it to the transaction weekly, back it up, and keep it for the full retention period.