Our Blog
A Merchant Fee Audit Example for Restaurants
August 24th, 2026
A merchant fee audit example is most useful when it looks like the statement you are already paying, not a generic promise of lower rates. For a busy restaurant, a few tenths of a percent, unnecessary monthly charges, and inflated per-transaction fees can add up quickly. The challenge is separating unavoidable card costs from the processor markup and service fees you may be able to change.
Here is a practical restaurant example, including the math, the questions behind it, and what an owner should verify before switching anything.
The Restaurant’s Starting Point
Consider a Denver-area full-service restaurant with $70,000 in monthly card sales across 1,450 transactions. The business takes most payments in person, uses a mix of debit and credit cards, and also runs a small amount of online ordering.
The owner sees a monthly processing bill of $1,869. At first glance, the effective rate appears to be 2.67%:
$1,869 in total fees รท $70,000 in card sales = 2.67% effective rate
That number is useful, but it does not tell the whole story. A 2.67% rate may be reasonable for one operation and expensive for another. A bar with many small-ticket transactions can pay more in per-item costs. A restaurant with a large share of rewards cards, manually entered cards, or online orders may also have higher unavoidable card costs.
The audit starts by breaking the total into categories instead of judging the account by one percentage.
Merchant Fee Audit Example: Breaking Down the Statement
In this example, the statement shows the following monthly charges:
| Fee category | Monthly cost | |—|—:| | Interchange fees | $1,190 | | Card network assessments | $105 | | Processor percentage markup | $350 | | Per-transaction fees | $145 | | Monthly account, PCI, and reporting fees | $79 | | Total | $1,869 |
Interchange and card network assessments total $1,295. These charges are largely set by the card brands and issuing banks. They change based on card type, transaction method, and other factors. A processor may present them differently on a statement, but a processor cannot simply erase them.
The remaining $574 deserves a closer look. That is the processor’s percentage markup, per-transaction charges, and fixed monthly fees. In this case, those processor-controlled costs equal 0.82% of total card sales.
That does not automatically mean the account is a bad deal. It does mean there is enough room to ask better questions.
What the Audit Found
The restaurant’s statement used several labels that made comparison difficult. The processor percentage charge appeared under a broad “discount rate” heading. The account also had a PCI fee and a separate compliance-related charge. Neither was necessarily improper, but the owner could not immediately tell what service each fee funded.
The per-transaction fee was another concern. At $145 across 1,450 transactions, it works out to roughly 10 cents per transaction. For a restaurant processing many tabs, counter orders, and split checks, that cost can matter as much as the percentage rate.
After reviewing the business’s actual transaction mix, a clearer pricing structure was proposed:
- Interchange and network costs passed through at actual cost
- A 0.25% processor markup
- An 8-cent per-transaction fee
- A single $29 monthly account fee
Using the same $70,000 in sales and 1,450 transactions, the estimated processor-controlled cost would look like this:
$175 percentage markup + $116 transaction fees + $29 monthly fee = $320
Compared with the prior $574 in processor-controlled charges, that is an estimated monthly reduction of $254. The restaurant’s total processing cost would move from $1,869 to approximately $1,615, assuming the same sales volume and card mix.
That is about $3,048 per year. For an independent restaurant, that can cover a meaningful portion of a software subscription, equipment payment, employee training, or inventory expense.
Why the Cheapest Quote Is Not Always the Best Answer
A fee audit should not turn into a race to the lowest advertised rate. If a provider promises an unusually low number but cannot clearly explain the markup, transaction fee, monthly charges, equipment terms, and support model, the quote is incomplete.
Restaurants and bars need to consider operational costs as well as statement costs. A lower processing rate loses value quickly if the POS system slows servers during dinner rush, online ordering does not sync correctly, or support is unavailable when a terminal goes down on a Friday night.
There are also legitimate reasons a business may pay more. Higher-risk categories, card-not-present sales, chargeback exposure, premium card volume, and complex multi-location reporting can all affect pricing. The goal is not to force every merchant into one rate. The goal is to make every charge understandable and appropriate for the way the business accepts payments.
Questions to Ask During a Statement Review
A useful audit should produce direct answers, not a stack of vague savings claims. Ask whether interchange and assessments are passed through separately or blended into one rate. Confirm the processor markup in both percentage and per-transaction terms. Request a full list of monthly, annual, PCI, gateway, batch, statement, and support fees.
It is also worth asking about equipment ownership. Some providers offer a low monthly processing quote while placing the merchant in a long equipment lease or charging significant early termination fees. If terminals, kitchen printers, handhelds, or POS hardware are involved, the implementation agreement matters just as much as the merchant account pricing.
For hospitality operators, ask how the system handles tips, tip adjustments, split checks, bar tabs, gift cards, online ordering, and reporting. The wrong POS setup can create labor friction that costs more than the monthly fee difference.
How to Audit Your Own Merchant Fees
Start with two or three recent merchant statements, not just one month. Sales volume and card mix can change during holidays, patio season, special events, or a promotional period. Reviewing several months gives a more honest view of your average cost.
Next, calculate your effective rate by dividing total fees by total card sales. Then separate the statement into three groups: card-brand and bank costs, processor markup, and fixed account fees. If the statement is too confusing to categorize, that is a finding by itself. Transparent pricing should be explainable in plain language.
Finally, match the account to your operation. A fast-casual restaurant with 3,000 smaller tickets each month should pay close attention to per-transaction fees. A fine-dining operation with larger checks may be more affected by percentage markup. A brewery with frequent events may need dependable wireless options and quick support more than a feature-heavy system nobody uses.
What a Good Audit Should Deliver
A proper statement review should leave you with more than a savings estimate. You should know your current effective rate, what portion is controlled by the processor, which fees are optional or duplicative, and what your costs could be under a clearly defined alternative.
You should also receive an operational recommendation. If your current POS is working well and the issue is simply processing cost, a pricing adjustment may be enough. If staff are fighting the system, reporting is unreliable, or payment hardware is outdated, it may be time to evaluate the full setup. Rocky Mountain Credit Card Processing approaches both sides of that decision: fee reduction and the day-to-day tools your team needs to serve customers without added friction.
A statement should never feel like a bill you are not allowed to question. Put the numbers in plain view, compare them against how your business actually runs, and make changes only when the savings and operational fit both make sense.