Manufacturing Cost Reduction – A Practical Guide For Small Manufacturers

My father always loved to tell me just easy running a business is/was. He would state that if you wanted to make more money al you had to do was either A) increase your revenue or B) reduce your costs ... well that seems simple enough Dad, but in reality it can be a bit more challenging.

My Dad, always seemed to have some profound analogies, like you are only wealthy when you can live off of the interest of the interest generated by your principal .. think about it and it makes a lot of sense ... (I still have a long way to go before I reach that milestone)

Back to managing costs is the crucial other end of maintaining profitability, alongside a proper pricing strategy. In this post, we provide a practical overview of reducing manufacturing costs. We cover the main types of manufacturing costs (materials, labor, overhead), outline ways to reduce them, and explain how going lean can support cost control.

Where to start with manufacturing cost reduction?

1. Understand the four types of manufacturing costs

In manufacturing, costs are usually divided between three distinct types. These are:

• Direct materials are the materials you use to make a final product. If you’re a small furniture manufacturer making dining tables, then direct materials might include timber, screws, brackets, and packaging materials.

• Direct labor is any labor linked directly to production. Using the example of a furniture manufacturer, labor would be a factory worker cutting, assembling, or finishing the table. 

• InDirect Labor is any general labor required to run the facility but do not directly touch the product, typically this includes Material Handling, Maintenance, Shipping and QC inspectors.

• Manufacturing overhead is any cost associated with running your manufacturing operations that can’t be tied to producing a specific good. Some examples of manufacturing overhead include utilities, property taxes, and insurance. Indirect materials (such as safety equipment) and labor (such as administrative) are also usually deemed overhead.

2. Identify your main cost drivers

Next, identify where your costs are generated and what to focus on first. For most businesses, a small number of issues tend to have the biggest impact on costs. This follows the Pareto principle, which suggests that roughly 80% of outcomes come from 20% of causes. I would advise doing a Pareto chart against each of the four Manufacturing cost drivers.

Enterprise Value Stream Mapping is another great tool to make your work-flows visual. Once visual you can question each process to see how and if it does add value that the customer is willing to pay for. What is unique to EVSM is that it looks closely at your communication and information flows.

Taking the time to identify where your costs are coming from helps focus on the areas where changes can have a larger impact on cost efficiency. Failing to identify your main cost drivers may mean you end up making broad cuts that do little to improve your bottom line.

3. Pinpoint cost

Once you understand the source(s) of your biggest cost pressures, the next step is to attempt to reduce them. Before we move into specific cost reduction strategies, it’s helpful to use lean as a framework for identifying where time, materials, and effort are being wasted in your operation.

Lean is a management system that predominantly focuses on eliminating waste from the manufacturing process, while maintaining product quality and prioritizing customer satisfaction. The lean methodology lays out the most common forms of waste in manufacturing as the 9 forms of waste:

• Defects – the lost time and opportunity resulting from poor product quality.

• Overproduction – making more than is needed or making it too early, which ties up resources and often creates more waste elsewhere.

• Waiting – idle time caused by delays in materials, information, approvals, or equipment availability.

• Not utilizing talent – failing to make full use of employees’ skills, ideas, knowledge, and problem-solving ability.

• Transportation – the unnecessary movement of materials or products between locations, which adds time and risk without adding value.

• Inventory excess – holding more raw materials, work-in-process, or finished goods than needed, which increases storage costs and hides underlying problems.

• Motion waste – unnecessary movement by people, such as walking, reaching, or searching for tools and materials, that reduces productivity.

• Excess processing – doing more work, using more steps, or applying tighter standards than the customer actually requires.

• Un-Actionable Information Systems -- Information systems that do not immediately adjust behaviour within your organization. Could be as simple as scrap reporting or how we traced a document through the manufacturing process to only see it being tossed into the garbage,

The goal with lean is to identify where these wastes appear in your operation and then try to reduce them systematically and continuously. For example, if you notice operators are spending a lot of time waiting because materials are not available on time, you might take steps to improve scheduling to reduce the delay, which lowers labor waste.

Next, let’s take a look at distinct ways to address extra costs arising from materials, labor, and overhead.

How to reduce material costs in manufacturing?

Tighten control over inventory

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Poor inventory management can quickly drive up material costs. Excess inventory increases storage costs and ties up warehouse space, while too little inventory can cause production stoppages, missed deliveries, and rush orders.

A comprehensive inventory management system is one of the best ways to tighten control over inventory. By linking sales, procurement, inventory, and production, it helps you make sure you always have the right stock on hand to complete orders and prevents overbuying. This reduces storage and handling costs while freeing up working capital.

Dedicated inventory software also makes it easy to identify aging, expired, or obsolete inventory before it turns into a larger financial loss. It can also give you real-time data on material usage, turnover, and lead times, so that you can place orders with more accuracy. This is especially important for manufacturers with long lead times and multi-level BOMs. 

Formally attempt to reduce the number of active SKU's. Are they all necessary? and sometimes by accident you will be carrying the same part independently due to a different part number or description. This may also trigger and opportunity to review all of your manufactured products through a "Design for Manufacturing" workshop.

Review your Bills Of Materials (BOM)

Inaccurate material quantities in a product’s bill of materials can also drive up manufacturing costs. If quantities are too low, you may run into shortages and delays. If they’re too high, you may end up carrying excess inventory and unnecessary storage costs. To avoid this, review your BOMs regularly and compare them against actual production usage.

Regularly reviewing BOMs also helps spot components that have gotten more expensive, identify potentially over-specified materials, and assess whether lower-cost alternatives could be used without affecting product quality. It’s also a good opportunity to check whether products are using more material than necessary, or whether common parts could be standardized across multiple products to simplify purchasing.

BOMs should always be up to date if you want to be sure that purchasing, production, and costing are based on accurate information. Using bill of materials software with version control and revision tracking makes it easier to record changes, update material costs, and maintain consistency across production.

If you currently have an active Inventory Cycle Count system in place we encourage you to integrate regular BOM audits. Often a BOM deviation will correct several inventory deviations.

Improve quality control

Quality control should not be overlooked when trying to reduce manufacturing costs. While quality control initiatives do require an initial investment, they are sure toi reduce costs like scrap, wasted material, and replacements in the long run.

One of the best ways to ensure your quality management process is on par is to look into getting certified with manufacturing ISO standards. For example, companies that follow ISO 9001 must improve their internal processes, which often leads to fewer defects and less scrap. Another example is ISO 14001. This standard focuses on minimizing environmental impact, and typically leads to more efficient use of resources and reduced waste.

Add PIA to your Quality Control Roster. PIA or Post Inspection Audit is conducted on random products just prior to being ready to ship. You need to unpack the shipment and check everything, paperwork, the packaging and of course the actual assembly. Yes, you will find deficiencies and opportunities for potential cost reduction.

Perhaps change your focus from measuring Scrap to challenging your organization on how to improve "yield". This could lead to innovative changes on how your raw material is utilized.

Strengthen your supply chain

Your sourcing strategy can have a major impact on your manufacturing costs. Many companies us the term Supplier" and "Vendor" synonymously. Typically a Vendor" should be viewed as a supplier of commodity type items whereas a Supplier has a vested interest in your company's success and will have an investment in your product designs.

View your Suppliers as your "Hidden Factory" so regularly conduct joint design reviews with them while integrating a Supplier Technical Exchange Program so that you can take advantage of emerging technologies, perhaps not yet available on the market.

To reduce these risks, review supplier performance regularly and avoid depending too much on a single source for raw materials. Diversifying supplier partnerships can improve resilience and give you more flexibility when prices or lead times change. Be careful about your multi-source strategy, fine for basic commodity based raw material but maybe not so good for more design dependent products where a Supplier may not want to share too much of their IP within their offering.

When comparing suppliers, look at the total cost of ownership, not just the unit price. This helps ensure you’re reducing costs without creating new problems elsewhere. For example, consider additional costs like:

• Shipping and freight

• Minimum order quantities

• Lead times

• Defect rates

• Handling costs 

How to reduce labor costs in manufacturing?

Improve production processes

One of the fastest ways to reduce labor costs is to remove wasted time from the production process. In many factories, labor hours are lost not because employees are underperforming, but because the workflow itself is inefficient. Workers may be waiting for materials, switching between jobs too often, looking for the latest instructions, or dealing with avoidable disruptions caused by poor planning.

Start by looking for the biggest sources of labor waste on the shop floor. These often include bottlenecks between workstations, unclear priorities, unnecessary movement, frequent schedule changes, or missing materials that stop work mid-process. Even small fixes in these areas can add up to major labor savings over time.

Once again, this where the use of Enterprise Value Stream Mapping (EVSM) will help identify opportunities. The other pot of gold to seek is through your Material Conveyance... do you run a "Cab" system or a "Bus Route"?

It also helps to review how jobs are scheduled. If production plans do not match actual capacity, labor gets wasted through stoppages, overtime, and constant reprioritization. Better scheduling improves the flow of work, keeps people productive, and makes labor needs easier to predict.

How to reduce manufacturing overhead costs?

Make production planning more efficient

Production planning can be very time-consuming.

Plans change, so it is important not to waste too much time planning far into the future. You need to focus on making your production processes "Pull" based to eliminate WIP.

Consider adding a "Frozen Time Fence" to your schedule. It could be a few hours, a day perhaps a week ... you just want to eliminate schedule deviations which always cost more than you think. Layer within your schedule the concept of RUN,:current job, STAGE: next order to run, PREP: the next order after stage.

Cut equipment downtime

Downtime is a major cost driver for small manufacturers. An unexpected breakdown can lead to direct costs such as repairs, parts, and labor. However, the impact rarely stops there. Downtime also reduces output and disrupts production. For small manufacturers, the cost of lost production from unplanned downtime averages between $1,000 and $3,000 per hour.

While some downtime is inevitable in manufacturing, its cost can be reduced by taking a proactive approach.

The adoption of TPM (Total Productive Maintenance) where the operator conducts equipment checks and performs minor maintenance to early detect potential problems that could lead to expensive downtime. An excellent by-product of TPM when you tie the TPM Methodology trough a "Clean to Inspect" will keep your equipment looking claean and professional.

Downtime will also be reduced as you train the employee's how to conduct the TPM equipment checks. which will also aid them on how to use equipment correctly, keeping clear maintenance records to identify recurring problems, and performing consistent inspections.

Reduce energy consumption

Energy consumption accounts for a significant portion of manufacturing overhead. This is especially true for businesses like machine shops or food processing plants, which require a lot of energy to run equipment. To reduce energy consumption, first look for inefficiencies in your manufacturing process. 

For example, manufacturing in small batches can introduce inefficiency. Every time you start, shut down, and clean your equipment, extra energy is consumed. You could improve efficiency by grouping similar products into longer runs. This would reduce unnecessary changeovers and lower energy use, without affecting output. 

You can also reduce energy costs by using an energy management system to monitor consumption and implement best practices. These systems highlight when you’re using peak energy and which equipment is using more than needed. Access to real-time consumption data can also help you shift energy-intensive work away from peak tariff periods. I used this in one of my plants and found that just before scheduled break our power consumption peaked ... why? most of our employees were plugging in their tea kettles.

If you want to save some dollars quickly? Visit your facility on a weekend when nobody is working, start the air compressor and just listen. Then go around and tighten the connections with leaks ... vola !! Savings (contact me for a savings calculator for air leaks.

KPIs to track when reducing manufacturing costs

A key part of reducing manufacturing expenses is using manufacturing KPIs to measure your current production processes and identify room for improvement. The following metrics can help you understand which parts of your operation have the most potential for cost savings:

Running cost per hour: This metric tells you the total cost to run a machine or workstation for one hour. This means all costs related to the workstation, including maintenance, labor, and energy consumption.

Yield: Yield measures how well you are utilizing your material within your manufacturing processes. A simple calculation is to measure the total pounds of material received versus the total pounds of finished goods shipped plus the delta of you inventories.

Scrap: How much material or output is lost as scrap during production. It is usually calculated as the percentage of total material input or total units produced that cannot be sold or used. A high scrap ratio increases material costs, labor waste, and disposal costs. Typically, your scrap rate will normalize over time so it becomes more important to detect abnormal scrap when it starts to happen.

Energy ratio: This KPI measures the amount of energy used to produce a certain quantity of goods. Energy ratio is typically measured as kilowatt-hours per unit of output. Energy ratio can help you spot where energy is being wasted and make better production decisions to lower utility costs.

Downtime: This is any period when production stops, planned or unplanned. This could be maintenance, changeovers, breakdowns, and idle time. Tracking downtime can help you spot where interruptions occur, reduce avoidable stoppages, and improve equipment reliability. 

First pass yield: This metric shows the percentage of units produced that didn’t require rework. If the first pass yield is low, this means you’re producing a lot of defective products, which leads to costs like wasted material, labor for performing reworks, and delayed shipments.

Key takeaways

• Before deciding where to cut costs, manufacturers should look at costs in three categories: materials, labor, and overhead. Once those categories are clear, it becomes much easier to identify the small number of cost drivers that have the biggest impact.

• Material cost reduction depends on better control over inventory, BOMs, quality, and sourcing. Excess inventory, inaccurate BOMs, poor quality control, and weak sourcing decisions can all quietly drive up material costs. Improving these areas reduces waste, prevents shortages, and improves purchasing decisions.

• Labor costs often increase because of poor planning and inconsistent processes. When production is not planned well, workers spend more time waiting, searching for information, or dealing with avoidable disruptions. Optimizing scheduling, process standardization, and automation can reduce wasted labor.

• Manufacturing overhead can be reduced by tackling downtime and energy use. Equipment breakdowns, inefficient maintenance, and unnecessary energy consumption can all add costs. A more proactive approach to maintenance and energy management helps lower overhead.

Frequently asked questions (FAQ)

What does it mean to reduce manufacturing costs?

Reducing manufacturing costs means using fewer resources to manufacture and deliver a product. For example, a small manufacturer might reduce setup time, cut scrap, or negotiate better material pricing to lower the cost per unit. When reducing manufacturing costs, it’s important not to sacrifice product quality, reliability, or customer satisfaction.

What are the best ways to reduce manufacturing costs?

The best way to reduce manufacturing costs is to identify your biggest cost drivers, then improve the processes behind them. Manufacturers can cut costs by tightening inventory control, reviewing BOMs, reducing downtime, and improving quality control.

How often should manufacturers review their costs?

Manufacturers should review costs regularly rather than waiting for margins to fall noticeably. For example, monthly reviews of materials, labor efficiency, and overhead trends can help spot problems before they become more expensive. In smaller businesses, frequent review is especially important because one recurring issue can have a disproportionate impact on profitability.

How does lean manufacturing help reduce cost?

Lean manufacturing reduces cost by removing waste from the production process. Instead of cutting spending broadly, lean manufacturing principles focus on reducing activities that do not add value, such as defects, waiting, excess inventory, unnecessary motion, overproduction, and rework. When following lean principles, manufacturers must identify the cause of waste and improve the process. This reduces material, labor, and overhead costs.