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4 in 10 invoices contain some kind of error; separate benchmark data puts undetected overbilling around 0.5–1.5% of invoice spend. Institute of Finance and Management / industry benchmark data

Protect cash

InvoiceGuard

Supplier invoice checks

Compare incoming supplier invoices against agreed prices, purchase information, and prior bills before the money leaves your account.

Discuss InvoiceGuard Start with the Audit

Why this exists

The business problem comes first.

Close to four in ten invoices contain some kind of error, according to research cited from the Institute of Finance and Management. The point is not to install software because AI is fashionable. The point is to find whether this specific leak exists in your business and whether fixing it is worth the effort.

What InvoiceGuard does

Compare incoming supplier invoices against agreed prices, purchase information, and prior bills before the money leaves your account.

Built for

Businesses with regular supplier bills, purchase orders, price sheets, or repeated vendor charges.

Works with

Fits the tools you already use.

QuickBooks

Gmail

Outlook

Shared folder

Where API access or an approved data path exists, the workflow is connected to the systems you already use.

How it works

A controlled workflow, not a black box.

Step 1

Read incoming supplier invoices from an inbox or shared folder

Read incoming supplier invoices from an inbox or shared folder.

Step 2

Extract vendor, quantities, rates, totals, and reference numbers

Extract vendor, quantities, rates, totals, and reference numbers.

Step 3

Compare against agreed prices, POs, and duplicate patterns

Compare against agreed prices, POs, and duplicate patterns.

Step 4

Flag mismatches with the dollar amount at stake before payment

Flag mismatches with the dollar amount at stake before payment.

Human approval

AI does the repetitive work. You keep the decision.

The default pattern is simple: read, compare, organize, and draft. Customer-facing output comes to your team first. Nothing should become autonomous just because the technology can do it.

Ownership principle

Your accounts. Your data. Your API keys.

We build around the client’s infrastructure wherever practical, then maintain the workflow without making the business dependent on a hidden DBZ-owned platform.

Questions owners ask

InvoiceGuard FAQ

Using the 0.5–1.5% overbilling benchmark cited in the source content, a business paying $40,000 a month to suppliers could plausibly expose $200–$600 a month in errors. Your actual result depends on your invoices.

No. It checks and flags. Payment remains in your existing process and under your control.

Explore the other fixes in this area.

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Overdue payment follow-up

Prepare the right collection follow-up for every overdue invoice, matched to invoice age and the customer’s payment history.

QuickBooks

GoHighLevel