What is subledger reconciliation?

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Subledger reconciliation is the process of confirming that the total balance in a subledger — accounts receivable, accounts payable, fixed assets, inventory — agrees with the corresponding control account in the general ledger. It is a fundamental close control that ensures the detailed transaction records and the summary GL entries are in sync.

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Why subledger reconciliation matters

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If a subledger and its control account disagree, it means transactions exist in one place that do not exist in the other. An AR subledger that is higher than the GL control account means revenue or receivables have been posted in the subledger that have not made it to the GL — producing understated assets in the financial statements.

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Common subledger reconciliations

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AR subledger to GL — total of all open customer invoices reconciled to the accounts receivable control account.

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AP subledger to GL — total of all outstanding supplier invoices reconciled to the accounts payable control account.

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Fixed asset register to GL — gross asset values and accumulated depreciation reconciled to the GL fixed asset and depreciation accounts.

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Inventory subledger to GL — stock valuation in the inventory management system reconciled to the inventory account in the GL.

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Payroll subledger to GL — payroll system outputs reconciled to salary expense, employer contributions, and payroll liability accounts.

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How subledger reconciliation is done

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The process involves extracting the subledger total and the GL control account balance for the same point in time, comparing them, and investigating any difference. Differences typically arise from posting errors, timing differences in system interfaces, or transactions posted directly to the GL control account that bypassed the subledger.

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Related: Account reconciliation · General ledger (GL) · Accounts receivable (AR) · Accounts payable (AP)