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Case study Technology / Professional services Rhode Island, United States

How Invoice Automation Eliminated Manual Data Entry Across 1,000+ Invoices for a Growing Decor Business.

A scattered, manual invoice process was transformed into an intelligent, self-running workflow that extracts invoice data, validates calculations, enriches records with PO information, and prepares structured batches for QuickBooks with minimal human intervention.

GDC Automated Invoice
5 min read
Invoice PDFs Processed
1000+
Invoice PDFs processed automatically without manual keying.
Verification Coverage
100%
Source totals checked against extracted data on every processing run.
Manual Trigger
0
The pipeline runs automatically according to its assigned schedule.
The client praised how the new system simplified invoice handling from start to finish. By it removed time-consuming data entry, connected complex invoice formats more consistently and ensured discrepancies Processing source files, linking purchase-order details and preparing accounting-ready batches outputs within one connected process helped the finance team work faster and manage rising volumes with far less intervention.
The client

An International Decor Trading Business Serving Markets Across the World

The company operates an international decor trading business, sourcing products from vendors across India and China and supplying customers in the United States, United Kingdom, Canada, Europe, and Australia. Its operations bring together procurement, inventory, logistics, and order fulfilment across multiple markets. Behind each transaction is a coordinated flow of purchasing, sales, freight, customs, and other activities required to move products efficiently across borders.

Industry Retail
Headquarters Rhode Island, United States
Core Accounting Platforms QuickBooks
Third-party Platforms Reconciled SaaSant
Services Used Invoice Process Automation, Automated Data Extraction, PO Data Enrichment, Invoice Validation, Audit Trail Creation & QuickBooks Import Preparation
Delivery Team Whiz Consulting offshore delivery team
The challenge

Growing Invoice Volumes Without a Scalable Processing Workflow

As invoice volumes grew across domestic and commercial formats, the accounting team relied on a fragmented manual process. Invoice data was entered field by field, calculations were performed separately, PO details were searched in Excel, and invoices were created individually in QuickBooks. These disconnected steps increased processing effort, error risk, and made the workflow difficult to scale efficiently.

Manual Data Entry and Calculations

Invoice information had to be typed manually for each shipment batch. Quantity × Rate calculations were also completed manually, creating additional opportunities for incorrect line-item values and rounding inconsistencies.

Disconnected PO Master Lookup

Container Number and PO Lead By information had to be found through a separate PO Master Excel file. This required manual searches for individual invoices and disconnected invoice processing from the underlying purchasing data.

Multiple Invoice Formats

The accounting team received multiple invoices across date folders, with domestic and commercial documents using substantially different layouts. Without a unified extraction process, each format required additional manual handling.

Individual QuickBooks Entries

Invoices were created in QuickBooks individually. With no automated validation before import, discrepancies could remain unnoticed until after the information had already entered the accounting system.

The transformation

From Manual Invoice Processing to a Self-Running Extraction Pipeline

The automated workflow introduced a structured process capable of monitoring source folders, identifying new invoice PDFs, extracting invoice information, enriching the data using the PO Master, performing mathematical and source-total validation, and generating files ready for QuickBooks import. Instead of accountants repeatedly handling every invoice, the workflow runs according to an assigned schedule and prepares validated outputs for bulk processing.

Before
  • Every invoice field entered manually
  • Quantity × Rate calculated manually
  • PO details searched in a separate Excel file
  • Invoices created individually in QuickBooks
  • Errors generally detected after import
  • Limited audit visibility
After
  • Invoice fields extracted automatically
  • Calculations automated and rounded to two decimal places
  • PO information automatically matched using PO number
  • Structured batches generated for bulk SaaSant import
  • Data checked against source PDFs before final output
  • Row-level timestamps and structured audit logs

Make Growing Invoice Volumes Easier to Manage

Create dependable process that reduces manual effort, detects discrepancies and improves audit visibility.

Start Your Automation Journey
Our approach

A Five-Stage Approach to Automated Invoice Processing

Whiz Consulting developed a structured invoice automation workflow to eliminate repetitive data entry, improve validation, and prepare accurate invoice data for Quick Books. The solution combined scheduled file monitoring, intelligent PDF extraction, automated PO enrichment, built-in quality checks, and structured output generation into five connected stages.

01

Phase 1: Automated Invoice Monitoring & Processing Trigger

  • Implemented an automated watcher to scan designated invoice folders according to the assigned processing schedule.
  • Automatically detected newly added PDF invoices and moved them into the processing workflow without manual initiation.
  • Structured the process around shipment-date folders to maintain clear source-level traceability.
  • Eliminated the need for the accounting team to manually trigger invoice processing for each batch.
  • Used the dedicated python script as the trigger component to support scheduled and repeatable processing.
02

Phase 2: Intelligent Invoice Extraction & Format Recognition

  • Automated the extraction of invoice numbers, line items, shipping addresses, payment terms, quantities, rates, and other required invoice information
  • Configured the workflow to automatically distinguish between different domestic and commercial invoice formats.
  • Used a dedicated Python script as the core engine for structured PDF data extraction.
  • Integrated Tesseract OCR to process image-based PDFs that could not be read through standard PDF parsing alone.
  • Applied OCR confidence scoring to help identify documents requiring additional review before final processing.
03

Phase 3: PO Data Enrichment & Automated Validation

  • Connected extracted invoice information with the PO Master Excel reference file using invoice PO numbers.
  • Automated the lookup and population of Container Number and PO Lead By information for each applicable invoice.
  • Recalculated Quantity × Rate values automatically and rounded amounts consistently to two decimal places.
  • Re-read source PDF totals and compared them with extracted output totals to verify data accuracy.
  • Created discrepancy controls to flag differences greater than $1 and prevent questionable data from passing through unnoticed.
04

Phase 4: Structured Output Generation & Audit Trail Creation

  • Consolidated processed invoice information into a structured consolidated_invoices.xlsx master file.
  • Created summary-level reporting for totals, cartons, and PO types alongside detailed line-item information by style number, department number, and origin.
  • Automatically transformed processed invoice data into the required SaaSant import structure.
  • Generated QuickBooks import files in batches of no more than five invoices to meet the defined SaaSant requirements.
  • Added Date Added, Time Added (IST), and Invoice File Date to every output row to maintain a consistent processing audit trail.
05

Phase 5: Quality-Controlled QuickBooks Import Preparation

  • Applied final validation checks before invoice data was released for QuickBooks processing.
  • Flagged OCR confidence scores below 80% for Image Review rather than allowing uncertain extraction results into the final output.
  • Maintained discrepancy and SaaSant batch logs to provide per-folder visibility into processing exceptions and completed batches.
  • Produced clean, validated SaaSant files ready for bulk QuickBooks upload instead of creating invoices individually.
  • Established a repeatable invoice processing workflow with automated extraction, verification, traceability, and structured accounting-system preparation.
The results

A Scalable Invoice Process with Stronger Accuracy and Traceability

By July 2026, the automated pipeline had moved well beyond a small proof of concept and was processing significant invoice volumes across both active and historical periods.

1,000+ Invoice PDFs Processed
More than 1,000 invoice PDFs were processed across active months including January, March, April and June 2026.
SaaSant Import Files Generated
The workflow produced structured SaaSant import files, prepared for QuickBooks bulk upload.
50 Shipment Date Folders Covered
A total of 50 shipment date folders were processed while maintaining 100% shipment-date traceability.
25 Legacy Files Updated
The process was also applied retrospectively to 25 legacy 2025 files covering October, November and December, allowing historical records to be backfilled and brought into the improved workflow.
Manual Invoice Entry Eliminated
Routine field-by-field invoice keying was replaced with automatic extraction, removing the accounting team's dependence on repetitive manual data entry.
Stronger Pre-Import Accuracy Controls
Calculations, OCR confidence and source totals are checked as part of the pipeline before data is prepared for QuickBooks.
Improved Auditability
Structured discrepancy logs and row-level timestamps create greater visibility into when information was processed and whether exceptions were identified.
Verified outcomes ·
What this means for you

Key Takeaway for Finance Leaders

Three Principles Behind More Reliable Invoice Automation

i.

Automate the Entire Workflow, Not Just Data Extraction

Extracting invoice information is only one part of the process. Greater operational value comes from connecting extraction with reference-data lookups, calculations, validation, formatting and accounting-system preparation.

ii.

Put Validation Before Accounting-System Entry

Automation becomes more dependable when quality controls are built into the workflow itself. OCR confidence thresholds, line-item calculations and source-total comparisons help identify questionable data before it reaches QuickBooks.

iii.

Build Traceability into Every Automated Process

High-volume automation should make financial information easier to audit, not harder. Structured logs, timestamps and source-level verification create a clearer record of how each invoice moved through the workflow.

Want results like these for your team?

Book a 30-minute audit. We'll review your current workflow, identify the top three improvements, and show you what an offshore-supported AP function would look like for your business.