How to issue virtual cards to contractors for project expenses.

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To issue virtual cards to contractors for project expenses, create one virtual Visa per subcontractor, cap each card to that sub's material budget, lock it to the stores or category the job allows, and email it to the contractor. Where supported, you can also lock the card to the job's location and working hours. The sub adds it to a phone wallet to tap and pay, or keys the number into a phone or online order at the supply house. Every purchase posts under that card and tags to the project, so you see who spent what as it comes in, and the whole job rolls up to one materials-spend number for job costing. The cards are funded from your company wallet, so there is no credit check on your subs and no company card to hand over, and you can cancel any card the day a sub's scope is done.

You hired five subs for one job. Now five guys are buying materials, fuel, and rentals, and you will not know what the project really cost until the invoices stop trickling in. Worse, you cannot say cleanly who paid for what when the final numbers land.

Putting each sub on their own controlled card fixes that the day the job starts. Here is the problem, the setup in six steps, a real project walked end to end, and the mistakes that cost contractors money.

Why putting several subs on your own card wrecks job costing

When subs buy on your account or front the cost and bill you, the project's real spend is scattered. Three subs at three supply houses on three accounts means three different paper trails, and you stitch them together at month-end by squinting at receipts.

The result is the pain every general contractor knows: when the final invoice comes, you cannot say who paid for what. Material markup hides inside a sub's invoice, reimbursements lag, and you are floating cash on a job you have not closed. None of that is the number you need to know whether the project made money.

How one card per sub fixes per-project tracking

Give each subcontractor their own spending card tied to the job and capped to their material scope. The charge knows its project the moment it happens, because the card was issued for that project. You stop reconstructing the past and start watching it as the charges post.

How to issue virtual cards to your contractors for project expenses, step by step

Issue a card to each subcontractor in six steps: create one card per sub, cap it to their material scope, lock it to building-materials merchants, add a location and time window, email the card, then watch the spend roll up and cancel at scope end. In Virtual Card Maker it takes about ten minutes to set up a project's cards. The naming and the cap are what make the job costing work, so do not skip them.

1. Create one card per sub and name it by project and scope. In Virtual Card Maker, name it so it documents itself, like "Maple St - Framing - Materials." The name is the job-costing tag.
2. Set each card's limit to that sub's material scope, not the project budget. If framing materials are budgeted at $9,000, cap the card at $9,000, not the $60,000 job. One card should never be able to drain the project.
3. Lock the card to where the sub actually buys. Where supported, lock it to building-materials and hardware merchants or categories, so a charge off the list is declined.
4. Add an optional location and time window. Where supported, restrict the card to the job's area and the active build window.
5. Email the card to the contractor. Each sub gets the card by email and adds it to Apple Wallet or Google Wallet to tap and pay at the counter. For a phone order, will-call, or a supplier's online checkout, they can key in the card number instead. No physical card to ship.
6. Watch it roll up, and cancel at scope end. Every charge posts under that card. Export the project's cards and total them for job costing, and cancel a card the day that sub's scope is done.

Running a dozen subs across several jobs? You can issue cards in bulk from a spreadsheet or the API instead of one at a time.

Three ways a sub buys project materials

Contractors fund sub materials three ways: the sub buys on their own account and bills you, you reimburse their receipts, or you give each sub a scoped spending card. Only the scoped card tags spend to the project as it happens. Here is how they compare on what decides whether you know your numbers.

One project, three subs: a worked example

Take a whole-home renovation, about $60,000 all in. Of that, roughly $21,500 is materials the subs buy. Labor, permits, and your own purchases are handled separately, so these cards are materials only. You issue three scoped cards.

At closeout, materials spend across the three cards is $20,350 against $21,500 capped. You cancel all three cards the day the job closes. No receipt-chasing, no re-keying, and no markup on the materials bought on the card, because there is no sub invoice to mark up and the spend was tagged to the project as it happened. That $20,350 is materials spend, not the full project cost; labor, permits, and the subs' own billed work sit outside these cards.

The charges above are samples; across the full job the three cards cleared $20,350 in materials. One thing worth knowing: a hard cap decline, like the $900 over the $7,500 limit, fires every time. Category and merchant declines are strong guardrails, but they depend on how a store is coded and on what your card program supports, so treat the cap as your backstop. Your card limit also counts pending charges, so a large purchase that has authorized but not yet settled lowers the room left on the card before it posts. Keep the supply-house receipts your accountant needs for the deduction; the card record handles the who, what, and when.

Mistakes to avoid

What happens when a sub finishes or leaves the job

Cancel the card from your dashboard and it stops accepting new charges. There is no plastic to recover and no shared number to rotate. Cancelling blocks new charges; any purchase the sub already made that is still pending will finish posting, so confirm the final total has settled before you close the job. The card's history stays put as that sub's spend record for the project. If you are equipping your own crew lead rather than an outside sub, the setup is a little different; see how to give your foreman a company card.

Do subs need a credit check or your bank details?

No. The cards are funded from your company wallet, so:

• There is no credit check on your subs and no hard pull on them to carry the card.
• Subs share no bank account or personal details with you to receive a card.
• You can issue cards for a whole project's subs in bulk from a spreadsheet, or through the API if you have a developer.

The money is yours, each limit is yours, and the sub gets spending power for the job, not a credit line. These are real Visa cards that run on the Visa network and work anywhere Visa is accepted, not closed-loop prepaid gift cards. Issuing a card costs nothing; you fund only what the subs spend from your wallet balance (see the wallet terms for balance and fee details). For the bigger picture on running materials, rentals, and per-job control across a company, see virtual cards for contractors and virtual cards for construction.

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