cash book
Cash Book is the record where a business writes down every cash and bank transaction as it happens, so nobody has to guess where the money went.
In plain English
Every market woman with a small notebook tucked under her wrapper is doing something accountants pay big money to formalise. She writes what came in, she writes what went out, and at the end of the day she knows exactly where she stands. That notebook, done properly for a business, is the cash book.
A cash book records every transaction involving cash and bank accounts, in the order they happen. Money received from a customer, money paid to a supplier, money withdrawn to pay staff, all of it goes in with the date, the amount, and a short note on what it was for. It is often split into two columns, one for cash coming in and one going out, or two sides entirely if the business also tracks its bank account alongside actual cash in hand.
In Lagos, a shop owner selling phone accessories at Computer Village keeps a cash book that shows ₦180,000 in sales on Monday, ₦40,000 paid to a supplier on Tuesday, and ₦15,000 spent on transport for restocking on Wednesday. By Friday, she does not need to check her pocket to know her cash position, the book already told her.
In the United Kingdom, a small bakery might use accounting software that automatically produces a cash book style report from its bank feed, but the principle has not changed since ledgers were written by candlelight. Someone in Manchester sending £200 home to Lagos will see it show up in the family cash book as money received, matched later against what it was actually spent on, school fees or rent.
The beauty of a cash book is that it forces honesty in real time. You cannot fudge numbers you write down the same day, and when the bank statement arrives at month end, you simply compare the two and see if they agree. Any mismatch is a clue, not a disaster, because you caught it early.
A small business owner in Enugu records ₦250,000 received from a client on the 3rd of the month and ₦60,000 paid for fuel and generator maintenance on the 5th. Her cash book shows a running balance of ₦190,000 after those two entries, before anything else happens that week.
Questions people ask
Is a cash book the same thing as a bank statement?
No. A bank statement comes from your bank and only shows what passed through your bank account. A cash book is your own record, kept by you, covering cash in hand as well as bank transactions, and you use it to check the bank statement makes sense.
Do small businesses in Nigeria really need to keep a cash book?
Yes, and the smaller the business, the more it matters, because there is usually no accountant checking things behind the scenes. A simple notebook or spreadsheet updated daily can save a trader from serious confusion later, especially around tax time or when applying for a loan.
What is the difference between a cash book and a ledger?
A cash book only tracks cash and bank movements. A ledger is the wider set of records covering everything a business owns, owes, earns and spends, including things that never touch cash directly, like goods bought on credit.
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