The manufacturing fractional CFO.

Three structural properties. First, cash is tied up in inventory and receivables for months at a time — a company earning $50M in revenue may carry $10M or more in working capital. Second, gross margin is a function of many small variables — input prices, labor productivity, machine utilization, freight — that must be measured continuously. Third, the finance function is inseparable from the operations function; the ERP is the shared nervous system.

Inventory is simultaneously the largest asset on the balance sheet, the largest consumer of cash, and the largest source of margin distortion. A manufacturing CFO owns inventory policy — turns, safety stock, obsolescence reserves, and the physical vs financial reconciliation.

Two measurements anchor the discipline: inventory turns (COGS divided by average inventory) and days of inventory on hand. Both should be reviewed monthly and benchmarked against industry norms.

The cash conversion cycle in manufacturing is measured in months, not days. A capable CFO manages each component — days sales outstanding (DSO), days inventory outstanding (DIO), and days payable outstanding (DPO) — as levers.

Input prices — raw materials, freight, energy — move constantly. A manufacturing CFO tracks input cost trends, models their gross margin impact, and works with operations and procurement to hedge or reprice.

In an environment of rapid input price movement, monthly gross margin bridges become one of the most important CFO artifacts — decomposing month-over-month margin change into price, mix, volume, and cost variances.

Gross margin is the single most important financial measurement in manufacturing. It is also the most easily distorted. Standard cost systems, inventory reserves, and the treatment of scrap, rework, and freight all move reported gross margin without changing the underlying economics.

A capable CFO institutes definitional discipline — a documented gross margin policy, monthly variance analysis, and a bridge that reconciles standard to actual — so that leadership operates on the true margin, not the reported one.

The ERP is the operational backbone of a manufacturing company. NetSuite, Microsoft Dynamics, SAP, Epicor, and industry-specific systems compete in this space. Selection, implementation, and ongoing governance of the ERP is CFO-grade work — an ERP misconfiguration in year one becomes a five-year cost.

Standard cost, actual cost, and variance accounting are the language of manufacturing finance. A manufacturing CFO maintains the bill of materials and routing costs, runs periodic standard cost updates, and produces variance analysis that operations leadership uses to run the plant.

This is one of the areas where a generalist fractional CFO struggles. Manufacturing engagements are best served by CFOs with prior industry experience.

Capital expenditure decisions in manufacturing are large, irreversible, and returns-driven. A capable CFO institutes a CapEx approval framework — return threshold, payback requirement, post-installation review — and applies it consistently.

For growing manufacturers, CapEx planning is often the second most consequential CFO activity after working capital management. A single misjudged capacity investment can consume a full year of profit.

Manufacturing finance cannot be run from a distance. The CFO must have working relationships with operations, engineering, and supply chain leadership — attending operations reviews, walking the plant, and understanding the physical process well enough to interpret the numbers.

This is one reason manufacturing engagements often require higher on-site presence than software engagements, and one reason the industry benefits from CFOs with genuine operations experience.