Phase 3: Revenue Timing Investigation:
Upon identifying potential month-mismatch issues:
Reconstructed invoice timing relative to work dates.
Identified that November payments did not necessarily reflect November labor.
Recalculated month-specific revenue exposure.
For November:
Verified $148,000 as the corrected amount due.
For December:
Confirmed no income had been collected.
Initiated per-client December outstanding calculations.
The Forensic Approach
Phase 1: Invoice & Discount Correction
Converted all discount entries to negative values to correct distorted running totals.
Segmented transactions by service date to ensure chronological accuracy.
Recalculated totals by section for validation.
Cross-referenced each invoice against QuickBooks Online reports.
Attached invoice and payment detail reports for transparency.
Phase 2: Hourly Work Validation
At client request, I expanded the scope to validate whether Ranger Guard invoiced all hours worked.
Actions Taken:
Imported and separated quarterly hourly records into structured workbooks.
Calculated expected invoicing totals based on job rate per hour.
Cross-compared hours worked against invoices issued.
Analyzed payment notifications and expense vouchers to confirm collections.
Corrected spreadsheet structural errors affecting balance calculations.
Rebuilt chronological revenue alignment.
Identified unpaid December revenue exposure.
Quantified verified November receivables.
Produced structured Excel workbooks showing all calculations.
Delivered Executive Summary + supporting documentation packet.
Case Study 2: Revenue Reconciliation & Contract Dispute Support
A subcontracted security services provider engaged me to reconcile billing, hourly labor records, and QuickBooks Online data related to their contract.
The client needed to determine:
Whether all hours worked were properly invoiced
Whether invoices had been fully paid
The total outstanding revenue owed