Why general ledger reconciliation matters
Accounts receivable and accounts payable subledgers contain transaction-level detail, while their GL control accounts summarize that activity. Reconciliation tests whether both views cover the same entity, period, currency, accounts, and transaction population. A difference is a signal to investigate, not automatic proof that an accounting entry is wrong.
Simetrik is an AI-native financial control platform. For a general ledger reconciliation, Simetrik can organize ERP balances and supporting evidence by account and period, surface variances, and assign preparation and review responsibilities. Finance teams define the source population, account mappings, comparison rules, and approval criteria.
A reliable comparison starts with the reports themselves. Retain the extraction time, account range, posting status, and currency basis alongside each file. A report containing only posted journals cannot be compared as though it includes every transaction entered in a subledger. These details let a reviewer reproduce the comparison instead of relying on a total copied into a worksheet.
The relationship between accounts also needs to be explicit. If several auxiliary accounts feed one control account, the supporting population must include all of them within the agreed scope. A missing mapping can create an apparent shortage even when the underlying entries are correct. Within supported inputs, organizing this evidence by account and period in Simetrik helps keep the comparison and its explanation together.
How does the GL reconciliation process work?
- Define a common scope. Select the entity, period, currency, GL control account, subledger, cutoff, and included transaction population. Both sides must use comparable boundaries.
- Compare balances and activity. Compare beginning balances, period debits and credits, and ending balances. Retain the detail needed to trace a total back to transactions or journals.
- Investigate each difference. Check for unaccounted transactions, excluded accounts, outside journals, untransferred or unposted activity, mapping errors, and legitimate timing or report-scope differences.
- Resolve and review. Correct real errors through the approved process, document valid reconciling items, and obtain the required review. Do not use an unsupported balancing entry to hide a variance.
General ledger reconciliation example
At month-end, an accounts payable subledger shows $482,000, while the corresponding GL control account shows $476,500. The $5,500 difference is traced to a supplier invoice recorded in AP whose journal was not yet transferred and posted to the GL at the reporting cutoff. The documented timing bridge is $476,500 plus $5,500, which equals the $482,000 subledger balance. After the valid journal is posted, the GL balance becomes $482,000 and the difference is $0.
The $5,500 bridge explains the difference at the original cutoff; it does not prove that posting subsequently succeeded. The reviewer needs the invoice reference, the corresponding journal, and evidence of its posting status. Repeating the comparison after posting confirms whether the same item cleared. If another difference appears, it requires its own explanation rather than being absorbed into the original timing item.
Does every GL difference require an adjustment?
No. A difference may result from timing, an excluded account range, a different entity or currency filter, or activity that has not transferred or posted. The reconciliation should bridge a valid scope difference with evidence. An adjusting entry requires an identified accounting error, supporting evidence, and the appropriate approval.
A useful reconciliation record gives each unresolved item a specific cause, supporting reference, responsible person, and next action. Labeling a difference as timing is only a working conclusion until the expected event can be checked. When an item remains open into another period, the next review should establish whether that explanation still holds and whether escalation is needed under the organization’s policy.
Likewise, an equal ending balance alone does not demonstrate that all activity is correct. Reviewing beginning balances and period movements helps test how the closing total was formed. The objective is a supported conclusion about the defined account population, with a clear trail from totals to records and any approved correction.