Case Study – Reducing AP Processing Time from 15 Days to 24 Hours

Introduction
Accounts Payable (AP) is a vital yet often time-consuming function for many SMBs. Manual processes can slow down approvals, delay payments, and strain vendor relationships. Here’s how our team at Weatherley Consulting — acting as a Managed Intelligence Provider (MIP) — helped a Midwest SMB reduce their AP processing time from 15 days to just 24 hours.

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The Challenge

The client, a regional services firm, faced mounting AP delays due to manual invoice entry, multi-level approval chains, and lack of integration with their accounting software. On average, it took 15 days to process invoices, causing late fees and strained vendor relationships.

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Our Approach

Step 1: AI Readiness Audit for SMBs

We assessed their current workflows, technology stack, and data quality. This audit identified multiple opportunities for automation, as well as the need for tighter data governance.

Step 2: Performance-Based Project Consulting

We created a roadmap that tied deliverables directly to business outcomes: faster processing time, reduced errors, and improved vendor satisfaction.

Step 3: Fractional PMO Midwest Leadership

As their fractional PMO, we coordinated across finance, IT, and vendor management teams to ensure alignment and minimize disruption.

Step 4: AI Workflow Automation

We implemented a custom AI agent that:

• Extracted invoice data automatically
• Matched invoices to purchase orders
• Routed approvals based on pre-set rules
• Synced approved invoices to the accounting system in real time

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The Results

• Processing Time: Reduced from 15 days to 24 hours
• Cost Savings: Eliminated late fees and reduced manual labor by 70%
• Vendor Relations: Improved on-time payment rate to 99%
• Scalability: The new system can handle a 3x increase in invoice volume without additional headcount

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Key Takeaways for SMBs

• Start with an AI readiness audit to set realistic goals and avoid pitfalls.
• Use performance-based consulting to ensure alignment between tech investments and business results.
• Consider fractional leadership to access expertise without committing to full-time hires.

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Conclusion
By combining AI automation, fractional PMO leadership, and a performance-based approach, we helped our client transform AP from a bottleneck into a competitive advantage. If your SMB struggles with slow, manual processes, a Managed Intelligence Provider could help you achieve similar — or even better — results in 2025.