Business Banking & Treasury Operations3 min readUpdated September 2026

Banking a Freight Operation With Fuel Cards Across the Fleet

A freight or 3PL fleet needs a card program that tags every fuel purchase to a truck and driver, plus a clean landing account for factored invoices. Per-load margins are thin, fuel spend is constant, and factoring can pay in days instead of the thirty to forty-five a broker or shipper may take.

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Fuel spend is the highest-frequency transaction you have

A fleet of 20 trucks can generate hundreds of fuel transactions a week across a dozen or more states, and every one of those needs to be tagged to the right truck and driver to keep your cost-per-mile numbers accurate. A card program that lets you set a per-driver, per-card spend limit and see transactions in near real time, rather than reconciling a pile of receipts at month-end, is a bigger operational lever here than the checking account itself, since it's the difference between catching a fuel-card misuse issue within a day and catching it a month later after it's repeated a dozen times.

A fleet fuel card program should let you do the following:

  • Issue a distinct card and spend limit to each truck or driver, so no purchase goes untagged.
  • See transactions in near real time, without waiting for paper receipts or expense reports to come back from the road.
  • Tag every fuel purchase to the right truck so cost-per-mile numbers stay accurate as the fleet grows.
  • Reconcile fuel spend without heavy manual entry, since thin per-load margins can disappear into a clumsy process.

Where Brex's card controls do real work

Brex's higher-limit corporate cards with per-driver spend controls and real-time transaction visibility fit a fleet that needs to issue a card to every driver without giving up control over what each one can spend, and without the delay of paper expense reports coming back from the road. That's a narrower, card-specific decision that can sit alongside whichever bank holds your operating account, and it's worth evaluating on its own merits rather than as part of a broader decision about switching your entire banking relationship.

Factored invoices need a clean landing spot

If you factor loads to get paid faster than a broker's standard terms, the factoring company's advance typically lands in a designated account, separate from your general operating cash, so you can track the factoring fee against each load and see your true margin after the cost of that faster cash. Relay's ability to hold a dedicated account for factoring proceeds, separate from fuel and payroll accounts, keeps that fee visible instead of buried in a blended balance, which matters given how easily a factoring fee can quietly erode a load's margin without anyone noticing.

A simpler setup for an owner-operator

A single owner-operator or small fleet of two or three trucks, without factoring and with a manageable fuel card program, can run on a single Mercury operating account without the extra structure a larger fleet needs. Add complexity as the truck count and the number of people spending independently grow, not before, since a solo operator adding accounts and controls they don't yet need is just adding administrative burden without a matching benefit.

Payroll and per-diem timing

Drivers paid partly on mileage and partly on a fixed per-diem need predictable payout timing regardless of how a given week's freight settled, since a driver's pay shouldn't depend on whether a particular load's invoice has cleared yet. Keeping payroll funded from a separate reserve, replenished as freight revenue and factoring proceeds land, keeps driver pay reliable even in a slow collections week, which matters a great deal for driver retention in an industry where drivers can switch carriers easily.

A pattern worth watching as the fleet grows

A fleet that adds trucks faster than it upgrades its fuel-card and payables tracking often finds that its per-mile cost numbers, which were accurate at five trucks, quietly stop reflecting reality at fifteen, because the manual reconciliation process that worked at a smaller scale simply can't keep pace. Revisit your tracking setup at each meaningful growth milestone rather than assuming what worked at five trucks will still work at twenty.

Cargo claims and insurance deductibles are a real, recurring cost

Freight gets damaged, delayed, or occasionally lost, and every claim a shipper files against you typically comes with a deductible your own cargo insurance doesn't cover, paid out of operating cash rather than passed through to anyone else. A fleet that doesn't track claims and deductibles as their own line item tends to notice the cost only in aggregate at year-end, by which point it's too late to address whichever lane, customer, or driver pattern is actually generating a disproportionate share of them.

Detention pay, the fee a shipper or receiver owes when a driver is held at a dock well past the agreed loading or unloading window, is another cost that's easy to under-collect if nobody is specifically tracking dock times against the contracted free time. A driver who mentions being held for hours is giving you billable information, not just a complaint, and a fleet that systematically captures and invoices detention time protects a real revenue source that otherwise just evaporates.

Executive Capability Standard

What Good Looks Like

Good cash management for a freight operation means knowing your true per-load margin after fuel, factoring fees, and driver pay, not just your gross freight revenue.

Building The Capability (5-Stage Skill Ladder)

1. Learn:Track fuel cost per mile by truck for a month so you know your real baseline before evaluating any card program change.
2. Do Manually:Reconcile factoring fees against each load manually until you have enough history to see the pattern in your true margins.
3. Delegate:Hand fuel card reconciliation to an office manager or bookkeeper once the fleet grows past what one owner-operator can track.
4. Automate:Move to a fuel card program with real-time, per-driver transaction visibility instead of month-end receipt reconciliation.
5. Buy:Separate factoring proceeds and payroll into dedicated accounts so each is visible against operating cash on its own.

How to Get Started

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Frequently Asked Questions

How should a fleet track fuel spend across many trucks?

Use a card program that assigns a distinct card and spend limit to each truck or driver, with transactions visible in near real time, so you can tag every purchase without collecting paper receipts. This matters most once you're running more than a handful of trucks.

Should factoring proceeds go into the same account as operating cash?

Keep them separate if you want to see your true per-load margin after the factoring fee. Blending factored advances into general operating cash makes it hard to tell whether a given lane is actually profitable once the cost of faster payment is included.

Do I need a corporate card program for a three-truck operation?

Probably not yet. A small operation with a handful of drivers can usually manage with standard debit or fuel cards and manual tracking. Per-driver card controls start paying off once the fleet, and the number of people spending independently, grows past what one person can watch closely.

About the numbers

This guide doesn't quote a sourced benchmark. Figures in it are estimates or general guidance, so check them against your own numbers.

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