Most bar and restaurant operators are incredibly diligent about checking deliveries at the back door. But far fewer take the time to comprehensively audit the actual invoices. The delivery driver hands over a stack of boxes, a manager counts the cases, a signature goes on a slip, and the invoice gets filed away or paid without a second look.
It feels like the job is done, but the most expensive inventory mistakes rarely happen at the loading dock. They happen on paper, long after the truck has driven away. Supplier discrepancies aren’t always malicious or dishonest. Often, it’s a missed price update, a database error, or a quick product swap to cover a warehouse shortage. Regardless of intent, these hidden costs hit your P&L directly, and they are only recovered if someone is paying attention.
Why You Can’t Afford to Ignore the Invoice Audit
Checking the delivery confirms one specific thing: the physical boxes arrived. Auditing the invoice confirms something entirely different: you were charged the correct, contracted rate for what arrived. Passing the first check doesn’t guarantee you’ll pass the second.
In the hospitality industry, margins are famously razor-thin. Small margin leaks are the most dangerous. A 50-cent increase on a case of liquor or a $1 increase on a box of limes doesn’t trigger alarms. But repeated across dozens of items and dozens of orders weekly, it quietly erodes your profitability to the tune of thousands of dollars a year.
4 Common Supplier Discrepancies Draining Your Margins
1. Quiet Price Creep: This is the most common and silent killer. Prices incrementally tick up between orders without notice. If your team isn’t actively comparing current invoices to past ones, the new inflated price simply becomes your accepted baseline.
2. Short-Ships: You are billed for 12 bottles, but only 10 actually arrive in the box. If the receiving check at the back door is rushed, the shortage goes unnoticed, and you pay for inventory you never received.
3. Unapproved Substitutions: A supplier swaps an out-of-stock item for a different brand or product, sometimes at a higher price or lower quality. While occasionally helpful to keep you stocked, it’s often just a way to fill an order, drastically altering your pour costs and recipe consistency.
4. Shrinking Pack Sizes: The case of napkins or glassware that used to hold 100 units now holds 80 at the exact same case price, secretly spiking your per-unit cost.
Building a Bulletproof 3-Way Match System
Standard accounting relies on the “three-way match”: the purchase order, the delivery receipt, and the final invoice must all perfectly align. Any discrepancy requires a credit request before payment goes out.
For independent operators without massive accounting departments, simplify this process: Have one person receive deliveries and physically note any shortages or substitutions directly on the delivery slip. Have a different person approve payments, comparing the updated slip against the final invoice and the previous week’s prices, specifically focusing on your top 20 highest-cost inventory items, where the most capital is tied up.
Negotiating Credits Without Ruining Vendor Relationships
When you catch an error, address it immediately. Send an email to your rep stating the discrepancy clearly and requesting a credit memo on the next invoice. Professionalism is key here; assume it was a clerical error rather than malice. Consistent auditing trains your vendors to double-check your invoices before sending them, as they know you are paying attention.
Validating Invoices with Glimpse
Frequent, accurate inventory tracking is your ultimate safeguard. When you use Glimpse’s inventory application, you create a digital, verifiable trail comparing what was actually purchased against what was physically used and sold through your POS. If usage numbers don’t align with purchase orders, you can immediately investigate receiving gaps. A product that was billed but never arrived shows up as an inventory gap that standard usage cannot explain. Auditing isn’t about distrusting vendors; it’s about verifying your data to protect your bottom line.
Brian Pulgarin
+1 (786) 292-2373
insights@glimpsecorp.com
