Building on Solid Ground: Protecting Your Construction Supply Business from Modern Credit & AR Fraud
Published on
Feb 27, 2026
Reading Time
3
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Author
Spencer Day

In the construction and wholesale world, your reputation is built on solid foundations and reliable timelines. Unfortunately, fraud has long been treated as a necessary evil of the industry. Almost every supplier or wholesaler has a story or knows someone with one, whether it be about a sophisticated scam or a dishonest actor that slipped through the cracks.
However, fraud shouldn’t be a line item in your budget. By tightening your workflows in the credit and accounts receivable (AR) processes, you can move from reactive to proactive.
Phase 1: Hardening Your Credit Vetting
Deciding to whom you grant credit and how much is a high-stakes balancing act. Scammers often use smoke and mirrors to bypass traditional checks. These include doctoring bank statements to appear flush with cash or impersonating well-known contractors to exploit your trust.
How to Verify a True Identity
Two-Factor Email Verification: If a customer claims to be from a certain company, verify they are using a legitimate domain. Send a verification link to that email to ensure they actually have access.
The IRS vs. The Secretary of State: An EIN (Employer Identification Number) can remain "valid" with the IRS even if a company has folded. Always cross-reference the EIN with Secretary of State filings to confirm:
▸ Is the entity currently Active?
▸ Do the company name and address match exactly?
▸ Is the entity type correct (e.g., LLC vs. Corp)?
▸ Does the Years in Business claim match the filing date?
Instant Bank References: Stop relying on emailed PDFs or screenshots of bank balances, which can be easily manipulated in the age of artificial intelligence. Utilize tools that provide instant bank references by connecting directly to the financial institution. This gives you real-time, un-editable data directly from the source.
The Personal Guarantee: Always require a personal guarantee on your credit applications. If an entity turns out to be a shell or files for bankruptcy, a personal guarantee provides a legal path to recoup funds from the individual behind the business.
Continuous Monitoring: Credit management isn't one and done. A reliable customer can fall on hard times and stop paying other suppliers. By monitoring their credit health continuously, you can proactively lower limits before they place a large order they can’t pay for.
Phase 2: Securing AR and Payment Processing
If you handle Cash on Delivery (COD) orders or take payments over the phone, you’ve likely dealt with the headache of stolen credit cards and subsequent chargebacks. When it comes to Accounts Receivable, you might’ve dealt with check fraud and checks getting lost, stolen, or washed along the way. To protect your revenue, you need to modernize how you collect.
Defensive Payment Strategies
3D Secure (3DS) Technology: For credit card transactions, 3DS adds an essential layer of two-factor authentication. It requires the customer to verify that they are the legitimate cardholder (often via a code that is sent to the cardholder’s phone) before the charge is finalized. This reduces the chance of fraudulent transactions. The added benefit of 3DS is that in the event of a future chargeback the liability shifts from you as the merchant to the card issuing bank, eliminating the risk of fraud.
The ACH Advantage: One of the most effective ways to mitigate fraud is to move customers toward Bank ACH. Because funds transfer directly from their account to yours, you enjoy improved cash flow and a much lower risk of a stolen card or check fraud scenario.
Encrypted Payment Portals: Avoid taking sensitive numbers over the phone. Use a secure portal that has an option for email verification and creates a digital paper trail. Look out for PCI compliance when it comes to credit card processing. For bank ACH processing, pick an option where neither you nor the customer has access to each other's full, sensitive banking details.
The "Look-Alike" Email Check: A common tactic involves sending payment instructions from a nearly identical email address (e.g., pete@contractor.com vs. pete@contactor.com). Always double-check the sender's address. If something feels off, call a known contact at the company to confirm the request, then follow up with an email summarizing the call to maintain a record.
The Bottom Line
Fraudsters always look for the path of least resistance. By implementing robust identity verification and secure payment technology, you transform your construction supply business into a harder target. You aren’t just protecting your cash flow and credit operations, you’re protecting the integrity of your entire business.
At Dill, we help companies of all sizes guard against fraud through our high-integrity credit applications, continuous monitoring, and secure, encrypted custom payment portals. To learn more, schedule a free consultation with Dill here.