The Financial Controller’s Guide to Month-End Close in Business Central

The month-end close is more than just a box to tick; it forms the foundation of your company’s strategic decision-making. In Microsoft Dynamics 365 Business Central, the difference between a disorganised close and a well-controlled one lies in preparation, process discipline, and system understanding.

This guide provides financial controllers with a structured, field-tested approach to streamline reconciliations, automate recurring entries, and strengthen data integrity within Business Central. By applying these practical techniques, finance teams can not only accelerate the close cycle but also produce reliable, insight-driven financials that support better decision-making across the business.

MS Dynamics, Refined

Automation Aligned With Your Accounting Strategy

Know More

Why a Structured Month-End Review Matters?

Even with advanced ERP automation, financial accuracy still depends on consistent and disciplined review. Automation handles transaction processing efficiently, but it cannot fully replace human judgement, validation, and financial oversight. A structured month-end review ensures that financial data is complete, accurate, and aligned with the organisation’s actual performance before reports are finalised. A systematic review process helps organisations:

• Identify posting errors and unusual transactions:
  Detect incorrect journal entries, duplicate postings, misclassifications, or transactions that fall outside normal operational patterns.
• Ensure subledgers reconcile with the general ledger:
  Confirm that balances across bank accounts, accounts receivable, and accounts payable are fully aligned with the general ledger, reducing discrepancies.
• Validate tax and statutory compliance:
  Review VAT calculations, ensure compliance with HMRC requirements, and verify that statutory reporting entries are accurate and complete.
• Detect operational trends affecting profitability:
  Analyse revenue fluctuations, cost movements, and expense patterns to identify early signals that may impact margins or financial performance.
• Maintain audit-ready financial records:
  Ensure reconciliations, supporting documents, and adjustments are well-documented, improving audit readiness and internal control.
• Prevent last-minute surprises before closing:
  Address discrepancies early in the process to avoid delays, rushed corrections, or inaccurate reporting at period-end.

What are the 10 core areas to review in Business Central?

Before closing the books in MS Dynamics 365 Business Central, finance teams must confirm that all financial components—balances, reconciliations, receivables, payables, tax entries, assets, inventory, journal adjustments, and financial statements—accurately reflect business activity.

To keep this review process structured, consistent, and reliable, the following 10 core areas should always be reviewed in detail.

Trial Balance Validation

The trial balance serves as the primary checkpoint for validating financial accuracy before finalising the books. It provides a consolidated snapshot of all account balances and helps identify inconsistencies that may affect financial reporting.

Navigation in Business Central:
Global Search (Alt + Q) → Trial Balance

Key review points:

• Identify unexpected balances or abnormal fluctuations that do not align with operational activity or historical trends.
• Check for negative balances in accounts where they should not exist, such as expense or asset accounts, which may indicate posting errors.
• Review significant month-on-month variances and ensure they are supported by valid business explanations.
• Detect missing revenue or expense postings that may result from incomplete transaction recording.
• Compare current balances with prior periods, budgets, or forecasts to highlight anomalies.

A well-reviewed trial balance allows issues to be identified early, reducing the risk of inaccurate financial statements.

Bank Reconciliation Review

Bank reconciliation ensures that the organisation’s recorded bank position matches actual bank balances. This step is critical for maintaining bank accuracy and preventing financial discrepancies.

Navigation:
Cash Management → Bank Reconciliation

Verify that:

• All bank transactions, including receipts, payments, direct debits, and transfers, are recorded accurately.
• Electronic payment batches and bank feeds are correctly posted within the system.
• Outstanding reconciling items such as unpresented cheques or deposits in transit are identified, tracked, and explained.
• The bank GL balance aligns with the bank statement balance without unexplained differences.

Common risk factors to monitor:

• Old or unresolved reconciling items, which may indicate missing or incorrect postings.
• Frequent manual adjustments during reconciliation, suggesting process inefficiencies.
• Discrepancies between bank statements and GL balances that require immediate investigation.

Accounts Receivable Review

Accounts receivable review provides insight into customer payment behaviour, credit risk exposure, and overall cash flow health.

Navigation:
Global Search (Alt + Q) → zAged Accounts Receivable / Customer Ledger Entries

Key review points:

• Review overdue balances to identify delayed payments and potential collection issues.
• Identify unapplied receipts where payments have not been matched to invoices.
• Analyse customer credit balances resulting from overpayments or allocation errors.
• Validate large or unusual invoices to ensure accuracy and proper approval.
• Reconcile customer ledger balances with the accounts receivable control account in the general ledger.

This review ensures receivables are accurate and supports effective cash flow management.

Accounts Payable Review

Accounts payable review ensures that supplier obligations are complete, accurate, and properly recorded.

Navigation:
Global Search (Alt + Q) → Aged Accounts Payable / Vendor Ledger Entries

Key review points:

• Identify unapplied supplier payments that are not linked to invoices.
• Detect duplicate supplier invoices that may lead to overpayments.
• Review long-outstanding balances that may indicate disputes or missing transactions.
• Reconcile vendor ledger balances with the accounts payable control account.

A structured AP review helps prevent errors, manage liabilities effectively, and maintain supplier relationships.

Tax and VAT Validation

Tax validation ensures compliance with UK regulatory requirements and accurate VAT reporting.

Key review points:

• Verify VAT returns align with recorded sales and purchase transactions.
• Ensure correct VAT treatment has been applied across all postings.
• Reconcile output VAT with revenue accounts to confirm accurate tax collection.
• Reconcile input VAT with expense accounts to ensure recoverable amounts are correctly recorded.
• Review manual tax adjustments and confirm they are properly supported and documented.
• Ensure compliance with HM Revenue and Customs Making Tax Digital (MTD) requirements.
• Validate VAT posting groups in Microsoft Dynamics 365 Business Central to maintain accurate tax mapping.
• Accurate VAT handling reduces compliance risks and helps avoid penalties from HM Revenue and Customs.

Hire a Business Central Expert Who:

Implements & Configures Modules with Precision

Quick Start within 48 Hours

Intercompany and Clearing Accounts

Intercompany and clearing accounts are temporary in nature and should not carry significant balances at period-end.

Typical accounts to review:

• Intercompany accounts
• Payment clearing accounts
• Suspense accounts

Key review points:

• Identify residual balances that should have been cleared during the period.
• Confirm transactions are correctly posted to their final accounts.
• Investigate recurring balances that may indicate process inefficiencies or errors.

Fixed Asset Review

Fixed asset review ensures that capital assets are accurately recorded, depreciated, and reflected in financial statements.

Navigation:
Global Search (Alt + Q) → Fixed Asset Ledger Entries

Key review points:

• Confirm depreciation has been calculated and posted for the period.
• Review new asset additions to ensure correct classification and capitalisation.
• Reconcile fixed asset subledger balances with the general ledger.
• Verify disposals, transfers, and write-offs are properly recorded.

This ensures compliance and accurate reporting of long-term assets.

Inventory Validation (If Applicable)

Inventory validation ensures stock balances and valuations are accurate and aligned with actual inventory levels.

Navigation:
Inventory → Item Ledger Entries

Key review points:

• Identify negative inventory balances that may indicate timing or posting issues.
• Review large adjustments or revaluations for proper approval and documentation.
• Reconcile inventory subledger balances with the general ledger.
• Verify quantity and valuation accuracy, especially for high-value items.
• Compare system records with periodic physical stock counts.

Manual Journal Entry Review

Manual journal entries require careful scrutiny as they can bypass automated controls.

Navigation:
Global Search (Alt + Q) → General Ledger Entries

Key review points:

• Review adjustment entries posted through journals.
• Identify high-value or unusual transactions that impact financial results.
• Examine late-period entries that may indicate last-minute corrections.
• Detect unusual account combinations that may signal misclassification.

Financial Statement Analysis

The final step is to analyse financial statements to ensure results reflect actual business performance.

Navigation:
Financial Reports / Account Schedules

Key review points:

• Analyse revenue trends and margin performance.
• Identify unexpected increases in expenses or cost overruns.
• Review balance sheet movements across key accounts.
• Perform variance analysis against budgets and prior periods.

This step transforms financial data into actionable insights for decision-making.

Simplify Your Month-End Close with a Business Central Expert

A structured month-end close process brings consistency, control, and clarity to financial management. With Microsoft Dynamics 365 Business Central, finance teams can streamline reconciliations, improve data organisation, and generate accurate financial reports efficiently.

At Whiz Consulting, our Business Central accounting specialists support UK businesses in optimising their close processes. By refining workflows, automating routine tasks, and structuring reporting frameworks, we help finance teams close faster, maintain accuracy, and build a stronger financial foundation for growth.