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Think of accounting as a giant filing cabinet of money movements. The chart of accounts is the labels on the drawers. It’s the organized list of every “bucket” a business uses to sort its transactions. Without it, the records would be an unsearchable pile.

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What it actually is

A chart of accounts lists, in a defined structure, all the accounts a business uses to record its financial activity. Each account is a category: a place to put a certain kind of transaction. Think of how you might organize your own money into labeled envelopes: Rent, Groceries, Salary, Savings. A chart of accounts is the same idea, more complete and consistent. You file every transaction into one of these named buckets, so you always know what it was for.

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How it’s organized

The chart groups accounts to match the concepts you’ve already met. Most charts follow the same five families: The first three feed the Balance Sheet. The last two feed the Income Statement. So the chart of accounts is the bridge between raw transactions and the reports everyone reads. In practice, a simple one looks like this. Each family gets its own range of numbers, with individual accounts slotted inside:
The numbers keep accounts in a fixed order and leave room to add new ones (a 1040 for inventory, say) without disturbing the rest.

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Why it matters

A good chart of accounts is what makes financial data usable:
  • Consistency: the same kind of expense always lands in the same place, so reports are reliable.
  • Clarity: anyone can see, at a glance, where money goes.
  • Scale: whether you have ten transactions or ten million, they all have a clear home.
Without it, double-entry entries would have nowhere consistent to land, and no one could assemble the financial statements.

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How it connects in Lerian

In accounting, the chart of accounts is the structure that organizes your records. In a ledger system, that same idea becomes an account hierarchy, a tree that groups balances, movements, and the business entities behind them: In Midaz, that hierarchy lives inside a Ledger, so you can group and nest accounts to mirror the structure of a real business. Accounting in Lerian shows how this idea and the other accounting ideas map onto the product.
See also in Core BankingThis same structure becomes an account hierarchy in a ledger. See The building blocks and Designing your ledger plan.

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Next steps

Next upOnce you file every transaction into the right account, those totals roll up into reports. Meet them in Financial statements.