Guide

How to set up a chart of accounts

Your chart of accounts is the filing system for every pound your company earns and spends — get it right and your accounts almost read themselves; get it wrong and every report is a fight. It is the least glamorous and most quietly important decision in your bookkeeping.

2 min read

CategoriesFor every transaction
5 typesAssets, liabilities, equity, income, expense
Design earlyHard to change later

What a chart of accounts is

A chart of accounts is the structured list of categories — "accounts" — into which every transaction is coded: sales, materials, wages, rent, bank, loans, and so on. It groups into five families: assets, liabilities, equity, income and expenses, which map straight onto your balance sheet and profit and loss.

Designing it for insight

The art is granularity. Too few accounts and everything lumps into "general expenses", telling you nothing. Too many and coding becomes a chore. Design categories that answer the questions you actually ask — which product lines make money, where costs are creeping — so your management accounts are instantly useful.

Aligning it with tax

A good chart separates disallowable costs, capital purchases and VAT-relevant items cleanly, which makes the tax computation and VAT return far faster and less error-prone. Coding consistently all year saves days at year end.

Keeping it consistent

The value of a chart of accounts comes from coding the same thing the same way every time. Agree conventions, document them, and review the chart annually as the business evolves — but avoid constant restructuring, which breaks year-on-year comparisons.

From structure to decisions

A clean chart turns raw transactions into the reports that drive decisions — and the credible numbers a lender wants to see.

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Frequently asked questions

What is a chart of accounts?

The structured list of categories your bookkeeping uses to code every transaction — sales, wages, rent, bank, loans and so on — grouped into assets, liabilities, equity, income and expenses. It underpins your financial statements.

How detailed should my chart of accounts be?

Detailed enough to answer the questions you actually ask about the business, but not so granular that coding becomes a burden. Design categories around the insights you need, such as profitability by product line.

Can I change my chart of accounts later?

You can, but frequent restructuring breaks year-on-year comparisons and complicates reporting. Design it thoughtfully early, then adjust gradually as the business grows rather than overhauling it repeatedly.

Funding for UK limited companies

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