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Record keeping for small businesses: what to write down and how often

Updated 8 October 2026 · 1 min read · By the Invoicer team

Every small business should record four things: sales, expenses, stock, and money owed. Write each one down the day it happens, keep business money separate from your own, and review the totals weekly.

1. Sales

Record every sale with what was sold, the price and how it was paid: cash, transfer or on credit.

2. Expenses

Record everything the business spends: stock purchases, rent, transport, data, staff pay and repairs. Without expenses you only know what came in, not what you kept.

3. Stock

Know what you have, what you bought it for and what is running low. See inventory management for a simple method.

4. Money owed

Keep a list of who owes you, how much and since when. Money owed is not cash in hand, so track it apart from your sales.

A simple routine

Keep business and personal money apart

Use a separate account for the business, and pay yourself a set amount instead of taking money as you need it. It makes your numbers honest and your records easier to use if you ever want financing.

Keep proof

Keep receipts, invoices and transfer records. Digital copies are fine. Check the current requirements with the tax authority or an accountant for how long to keep them.

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