Bank and reconciliationBusiness owners and accountants

Bank reconciliation: From statement to a review-ready month

A source-to-result guide to complete bank coverage, evidence-based matching, explicit exceptions, and month-end handoff.

Summary

Bank reconciliation is the month-end proof that the imported bank period is complete and that every relevant movement is either connected to evidence, identified as a transfer or settlement, or left as an explicit exception. It is not enough for the closing balance to look right. This article is for owners preparing the month and accountants reviewing it. DeinHans can import bank truth, prepare evidence-based match candidates, recognise specific exception patterns, and enforce per-account readiness. It does not make an unexplained payment valid, approve accounting treatment, or turn a similarity match into professional sign-off.

Author
DeinHans Team
DeinHans Editorial Team
Reviewed and approved by
DeinHans Team
Editorially reviewed and approved for publication
Updated
21 July 2026
Published: 22 July 2026
5 min read
Deep guide
21 July 2026
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Key takeaways

  • Prove opening balance, complete movement coverage, and closing balance for every relevant account.
  • Give each movement an explained result; do not hide unmatched rows in a suspense bucket.
  • Supplier payments, customer receipts, transfers, payouts, duplicates, and reversals need different evidence.
  • DeinHans prepares deterministic, reviewable matches and visible exceptions rather than relying on amount similarity alone.
  • The owner supplies missing facts; the accountant reviews classification and approves the prepared work.

What must agree at month end

A reconciled account answers four questions:

  1. Does the imported period begin at the statement’s opening balance?
  2. Are all statement movements present once and only once?
  3. Does opening balance plus movements equal the statement’s closing balance?
  4. Does every relevant movement have an evidence-backed explanation or an explicit open status?

The first three prove bank coverage. The fourth connects bank truth to bookkeeping truth. A correct balance can coexist with a duplicated import and a missing import if the two errors offset each other.

What evidence arrives

For each account, keep the original statement or authoritative bank source, imported transaction rows, invoices and receipts, customer sales evidence, payout reports, and explanations for own-account transfers or exceptional movements. When several bank or payment accounts exist, reconcile each one separately before treating the month as complete.

Synthetic example: two accounts, six different outcomes

“Klarwerk Services GmbH” has a current account and a card account. The following April rows are synthetic:

Bank movementEvidence foundCorrect workflow result
−€1,190 supplier paymentSupplier invoice for €1,190Match invoice and payment; do not create expense again on payment date
+€2,400 customer receiptSales invoice already recordedSettle the open receivable; do not create revenue again
−€1,000 from current account / +€1,000 to card accountBoth sides of internal transferLink as own-account transfer, not expense and income
+€8,200 platform settlementPayout report reconstructed into sales, fees, refund, chargeback, and reserve movementsMatch net settlement while preserving the component bridge
−€89 duplicate-looking software debit, then +€89 reversalInvoice, original debit, reversalPreserve both bank rows and connect the reversal; do not delete history
−€147 card paymentNo receipt; owner identifies business trip but cannot supply invoice yetKeep explicit evidence task and accountant review point

These rows should not all end in a generic “matched” state. Their results are different: invoice settlement, receivable settlement, internal transfer, payout settlement, reversed payment, and unresolved evidence.

How the DeinHans workflow prepares reconciliation

1. Establish bank coverage

DeinHans uses the bank source to preserve amount, date, currency, account, and description. The period must cover the complete statement range for each account. Gaps or duplicate imports cannot be solved by document matching.

2. Look for evidence-based candidates

The strongest match is not merely the closest amount. It combines compatible amount and direction with relevant dates, counterparty or reference information, and existing document or open-item evidence. A candidate remains reviewable; it is not an accountant’s approval.

3. Separate exception types

Own-account transfers need both sides. Payouts need their reconstructed report. Reversals and genuine duplicate payments must be distinguished. One payment covering several invoices needs an explicit allocation whose sum equals the bank row. A transaction without evidence stays open.

4. Route missing facts

Questions should ask the owner for facts: “What was this €147 payment for, and is an invoice available?” They should not ask the owner to choose a formal account or tax code.

5. Prove each account before close

The month-close preparation should show statement coverage, opening and closing balances, explained movements, and the remaining exceptions per bank account. One reconciled account does not make another account complete.

The shipped core supports bank import, matching preparation, exception handling, and close readiness. Exact support for complex allocations or correction actions can vary by case and visible interface, so the article does not promise universal automatic splitting.

If you run the business

Supply every business bank and payment account, original statements where needed, and the documents or business explanations behind unexplained rows. Confirm own-account transfers and private or mixed movements factually. Do not approve a transaction by choosing the category that makes the dashboard green.

If you prepare or review the books

Check period coverage, duplicate imports, match evidence, open-item effects, payout bridges, transfers, reversals, and unresolved payments. Decide professional classification and whether a missing source blocks handoff. Preserve the source row and any correction trail.

Reconciliation proof

Use this checklist for every account:

  • Account identity and currency are correct.
  • Opening balance agrees to the authoritative source.
  • The imported movement population covers the complete period.
  • No transaction is missing or imported twice.
  • Opening balance plus movements equals closing balance.
  • Every material movement has a specific result or visible exception.
  • Transfers have both sides; payouts have their component bridge.
  • Combined payments have an exact allocation.
  • Reversals and duplicates preserve original history.
  • Remaining evidence gaps have an owner, next action, and review consequence.

What reaches the accountant should be more than a matching percentage. It should be a complete bank population with evidence-backed results, explicit exceptions, and enough context to review without reconstructing the account from scratch.

Sources

Sources were checked on 21 July 2026. This article provides orientation and is not tax, legal, or accounting advice.

  1. German Commercial Code section 238 – bookkeeping duty
  2. German Fiscal Code section 146 – bookkeeping requirements

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