Material management: the overlooked key to project profitability

Eric Helitzer

May 12, 2025

Procurement Practices

For most subcontractors, materials make up 35 to 40% of the total project budget. That's not a rounding error or a soft cost. It's the single largest controllable expense on the job. And yet for many companies, it's also the least systematically managed.

Labor gets tracked carefully. Equipment gets scheduled. But material purchasing still runs through a patchwork of texts, emails, spreadsheets, and phone calls, with no single place where the full picture lives. When that works, it works by luck and the effort of capable people covering for a broken process. When it doesn't, the job pays for it.

What breaks down without a system

The problems that come from unmanaged material procurement aren't dramatic. They accumulate.

Purchasing happens without locked-in pricing because nobody had time to send the RFQ before the order needed to go out. A material gets reordered because the field assumed the first delivery hadn't arrived. Inventory sits in a warehouse because nobody checked what was on hand before buying more. An invoice gets paid without being checked against the PO because the delivery ticket is somewhere on site and the month-end deadline is tomorrow.

None of these feel catastrophic in isolation. But across a company running a dozen projects simultaneously, the combined drag on margins is significant and almost entirely invisible in the financials because it never shows up as a single line item.

The cost compounds with every new project you take on. A process that was held together by one experienced purchasing manager becomes unmanageable when volume doubles. That's the growth trap: the systems that got you here aren't built for where you're trying to go.

Where visibility breaks down

The root cause of most material management problems is the same: the information exists somewhere, but not in one place, and not in real time.

A field team submits a material request and has no way to track where it goes. A vendor ships materials but the delivery isn't logged until someone finds the ticket. An invoice arrives and nobody can quickly confirm whether the materials were received, in what quantity, and at what price.

Each of those gaps creates work. Someone has to chase the information. Someone has to make a call. Someone has to reconcile a discrepancy that shouldn't have existed. Multiply that across the number of orders moving through the business at any given time and you have a significant portion of your team's capacity absorbed by administration that a well-run system would handle automatically.

SubBase connects the full chain. Material requests, purchase orders, delivery confirmations, and invoices are all linked to the relevant project, cost codes, and budget in real time. When a delivery is confirmed in the field, the office sees it immediately. When an invoice arrives, it matches against the PO and the delivery record automatically. The information that currently requires someone to track it down is already in the system before anyone has to ask.

What tighter material control actually changes

KD Construction cut their material costs by 22% and saved over $1 million in their first year after bringing their procurement operation into SubBase. Douglas Orr Plumbing saved $189,000 in labor hours on 3,000 POs processed through the platform in a single year. JGR Construction pulled their month-end close forward three to six weeks and caught tens of thousands in billing errors in the process.

These aren't marginal improvements. They're what happens when a part of the business that was absorbing money invisibly gets brought under proper management.

Material management isn't a back-office function. For subcontractors, it's where the margin lives. The companies that treat it that way, and build the systems to support it, are the ones that can grow without the process breaking under the weight of new volume.

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