Shipping Audit ROI: How Much Are Canadian Sellers Actually Recovering?

The Honest Answer

If you're running an e-commerce business in Canada, you've probably seen the ads. "Recover thousands from shipping overcharges!" "Free money hiding in your invoices!" It sounds too good to be true, and like most things that sound too good to be true, the reality is more nuanced.

So let's talk real numbers.

What the Industry Data Says

Research from parcel audit firms and logistics consultants consistently puts the billing error rate somewhere between 5% and 10% of carrier invoices. That includes late delivery refunds, duplicate charges, incorrect surcharges, DIM weight errors, and voided shipments that still get billed.

Of those errors, an estimated 75% go unclaimed. Carriers don't volunteer refunds. You have to file claims yourself, and the filing window is usually 15 days. Most businesses either don't know about the errors or don't have time to check.

Those numbers come from US-focused studies, but the billing systems are the same. UPS and FedEx operate the same invoicing infrastructure in Canada. If anything, Canada's geography (more remote areas, longer distances, more complex zone calculations) creates additional opportunities for surcharge errors.

Running the Numbers for Your Business

Here's a simple way to estimate what a shipping audit might recover for you.

Take your monthly shipping spend. Multiply by the error rate. That gives you the total overcharges per month.

Example: A mid-size Canadian Shopify store

Monthly shipping spend: $7,500 (about 500 parcels at $15 average) Conservative error rate: 5% Estimated monthly overcharges: $375 Annual overcharges: $4,500

Not every overcharge gets approved when you file a claim. Approval rates vary by carrier and error type. Late delivery GSR claims tend to have high approval rates (80-90%) because they're binary: the package was either on time or it wasn't. Surcharge disputes have lower approval rates, maybe 50-70%, because they involve more judgment calls.

Using a blended 70% approval rate on that $4,500:

Estimated annual recovery: $3,150

If the audit service charges 50% of recovered credits (which is our standard rate at ShipSherlock), your net benefit would be around $1,575 per year. That's money you weren't getting before, for zero effort on your part.

What Affects Your Recovery Amount

Not every business recovers the same amount. Several factors make a big difference.

Shipping volume matters most. A business shipping 100 parcels a month will recover less in absolute dollars than one shipping 1,000. The error rate is roughly the same, but the total pool of potential recoveries is proportional to volume.

Carrier mix matters. UPS and FedEx have well-defined service guarantees that create clear-cut refund claims. Canada Post's guarantees are narrower and harder to claim against. If most of your volume is with UPS or FedEx, your recovery potential is higher.

Service types matter. Express and overnight services have delivery time guarantees. Ground shipments often don't. If you ship mostly ground, late delivery refunds won't be a major recovery category for you. But surcharge errors and DIM weight disputes still apply.

Your negotiated rates matter. Businesses with custom-negotiated carrier rates sometimes have different surcharge structures or discount tiers. Errors in applying those custom rates can be significant, but they're also harder to spot without deep knowledge of the specific contract.

The Break-Even Question

Some sellers wonder whether a shipping audit is worth it at lower volumes. Fair question.

If you're shipping fewer than 50 parcels a month, the total dollar amount of recoverable overcharges might be small enough that it doesn't move the needle for your business. You might recover $30-$50 per month. After the audit service takes their share, your net is $15-$25. Not nothing, but not transformative either.

For most businesses shipping 200+ parcels per month, the math gets more interesting. At that volume, even conservative estimates put annual recoveries in the low thousands. And since services like ShipSherlock charge nothing upfront and only take a cut of actual recoveries, there's no downside risk. If we don't find anything, you don't pay anything.

What We Don't Promise

We're not going to tell you that shipping audits will cut your shipping costs in half. They won't. The 5-10% error rate means the recoverable amount is a fraction of your total shipping spend.

What shipping audits do is recover money that's already yours. Money that carriers owe you but won't pay unless someone files the paperwork. For a business where margins matter (and when don't they?), getting back even a few thousand dollars a year with zero effort is a real win.

The Compound Effect

There's one more thing worth mentioning. When carriers know that someone is watching their invoices, the error rate tends to improve over time. This isn't something we can prove with data yet, but it's a pattern that logistics professionals talk about. Carriers have quality metrics. When claims are filed consistently, the account gets flagged for better quality control.

Whether or not that's true for every account, the direct financial recovery is real. And it starts from day one.

Try It Yourself

If you're curious about what your specific recovery potential might look like, use our savings calculator. It takes 30 seconds and gives you a realistic estimate based on your monthly volume.

Or if you'd rather just see what's actually on your invoices, sign up for a free audit. We'll connect to your carrier accounts, pull your invoices, and show you what we find. You only pay if we recover money.