The chief financial officer of a third-party logistics provider had just pulled his accounts receivable aging report. He looked at it the way people view a bill they weren’t expecting.

He saw days sales outstanding (DSO) at 71 days. Three active billing disputes with clients who’d been with them for years. And one invoice — legitimate, fully earned — sitting unpaid for 94 days while someone on his team tried to explain a storage charge to a brand’s accounts payable department over email.

The CFO was witnessing the slow drain of carrying receivables that should have closed weeks ago. “At some point,” he said, “we’re basically financing our clients.”

He was right — and he’s not alone.

When 3PL leaders see extended DSO, the instinct is to fix it downstream, with tighter terms, more aggressive follow-up and a dedicated billing resource. But such fixes only treat the symptom.

The actual problem is upstream. A 3PL invoice arrives in a client’s AP queue with no operational context attached. The brand’s team looks at a storage charge and can’t reconcile it against anything they can see. They don’t have access to the 3PL’s warehouse management system. They don’t know when the inventory arrived, how long it was there, or whether the quantities match their own records. So they do what any careful business does when a number doesn’t add up: They hold payment and ask questions.

Then the cycle starts: The 3PL’s account team pulls reports, forwards spreadsheets, schedules a call and builds a case for work that was done three weeks ago. The invoice eventually gets approved, but it took two weeks of back-and-forth that neither side needed to have.

Tighten the payment terms, and that same exchange happens faster and under more pressure. The dispute persists because the information gap is still there.

The Math Nobody Wants to Do

3PL operators need to start running a simple calculation: Take your monthly billing and multiply by your DSO in days, divided by 30. That’s the receivables balance sitting in limbo at any given moment.

For a 3PL billing $500,000 a month at 65 days DSO, that’s roughly $1.1 million in earned, completed work that hasn’t been paid. It’s work that moved inventory, hit service-level agreements (SLAs) and shipped orders on time. The capital involved could be funding a new client onboarding, warehouse expansion or technology investment that would help the company to grow. Instead, it’s financing the gap between what the 3PL knows and what the client can see. The cash flow impact is real, but the relationship impact is harder to measure and probably worse.

Every dispute puts the 3PL’s account team in a defensive position, forcing it to justify work that was done, on charges that were legitimate. The questioning client isn’t disputing in bad faith; it just can’t verify the number. That posture bleeds into every other conversation. It becomes difficult to talk about what’s coming next quarter when the last five interactions were about what happened on an invoice six weeks ago.

The account managers of one 3PL were spending an estimated eight hours a week on billing-related communication — not selling or growing relationships, but defending charges. That’s a full day, every week, gone.

Instead of focusing on collections, the 3PLs making real progress on DSO are doing it by changing what clients can see — and when they can see it.

The ones reducing disputes fastest have invested in giving clients direct, self-serve access to the operational data behind their invoices, including inventory movements, storage activity, order status and SLA attainment. All of it is visible in real time, without the client having to ask. When a brand can log in at any point during the billing period and see exactly what’s been happening with their account, the invoice stops being a surprise. It’s a confirmation of activity they’ve already watched unfold.

There’s a proactive piece as well. The best operators aren’t waiting for billing to surface issues; they’re alerting clients to anything notable — a shipment delay, inventory discrepancy, service credit that’s coming — before the billing period closes. When a client already knows about something before they see it on a bill, there’s nothing left to dispute.

Some platforms are now embedding artificial intelligence assistants into the client-facing layer, letting brand clients ask natural-language questions about their own data — “Why did my storage charge increase this month?” — and get answers instantly, without calling the account team. In the process, they’re eliminating an entire category of inbound communication that used to sit in someone’s inbox for two days before becoming a dispute.

One operator cut his average dispute resolution time from 18 days to under five after implementing real-time client visibility. His DSO dropped 14 days in two quarters. The change was in how much his clients could see before the invoice landed.

The New Sales Conversation

The 3PLs who have invested in client visibility aren’t just retaining clients better; they’re winning new ones differently. When a prospect asks what working with the provider looks like day-to-day, those with a real client portal don’t have to describe it. They show it., with live inventory by SKU, real-time SLA tracking and billing detail that reconciles without a spreadsheet. That demonstration makes the abstract concrete. Prospects see exactly what their team will have access to, and the question shifts from “Can we trust them?” to “When can we start?”

For 3PLs competing against larger providers or defending against price pressure, that experience is a differentiator that’s genuinely hard to replicate quickly. Building it takes infrastructure and intentionality. The operators who’ve done it are closing deals on value rather than rate , and their AR aging reports look different, too.

When billing friction goes away, account managers get their time back — not to handle more disputes, but to have the conversations that actually grow the relationship. It could be about a new product launch the client is planning, a  new channel they’re considering, or a peak season that needs capacity alignment. Those conversations don’t happen when the last five touchpoints were about an invoice.

Clients who can see what they’re paying for behave differently in a renewal conversation. Instead of looking for leverage or shopping on price, they’re asking what’s possible next year. And it starts with an AR aging report that looks the way it should.

Getting Out of the Banking Business

When a 3PL becomes a short-term lender to its clients, it happens incrementally — one unresolved dispute at a time, as the gap between what operators know and what clients can see is quietly widened.

Closing that gap is an investment in the client experience. The 3PLs making it are building relationships that don’t erode in the background while the AR aging report gets worse. They’re winning deals on differentiation rather than price. And they’re having the strategic conversations that grow accounts instead of the defensive ones that just maintain them. 

The operators still treating extended DSO as a collections problem are going to keep running the same cycle. The ones who recognize it as a visibility problem — and invest accordingly — have a much cleaner path out.

Eric Nagy is vice president, 3PL, at Deposco.