Operations

Buying better: the second-largest cost in your company gets the least management attention

By Scavi Company · · 14 min read
Buying better: the second-largest cost in your company gets the least management attention

Most service business owners negotiate with suppliers the way customers negotiate with them — by asking for a lower number — which works to a point and misses where the money is. Material and supplies run between 15% and 40% of revenue in most service companies, making it the second-largest cost after labor and the one receiving the least attention. This piece covers the seven things a supplier relationship determines besides unit price, the consolidation decision that sets your leverage, why the counter matters more than the sales representative, the rebate and program money that goes unclaimed every year, and the annual review that keeps a relationship honest without threatening it.

The price on the invoice is not the cost of the material

Most service business owners negotiate with suppliers the way customers negotiate with them: by asking for a lower number. It works to a point and it misses where most of the money is, because the invoice price is only one of seven things a supplier relationship determines.

  • Terms. Thirty days versus payment on receipt is a working capital difference that can be worth more than several points of discount, particularly in a business that waits on customer payment.
  • Delivery. A supplier who delivers to the jobsite by seven in the morning saves a technician an hour of driving and waiting. At a fully loaded labor cost, that hour is worth more than the delivery fee, and it happens every day.
  • Stocking. A supplier who stocks the items you use, in the sizes you use, prevents the substitution and the second trip that consume a day.
  • Returns. Restocking fees and return windows on over-ordered material are a real cost in a trade where quantities are estimated from a walkthrough.
  • Credit line. The size of the account limit determines whether you can take a larger job without funding the material personally.
  • Rebates and programs. Volume rebates, manufacturer incentives and co-op funds that exist and go unclaimed by most small buyers.
  • Technical support and warranty handling. Who resolves a defective batch, how fast, and whether the labor to redo the work is covered.
Run this calculation once: material and supplies as a percentage of revenue, for the last twelve months, by supplier. In most service businesses the figure sits somewhere between 15% and 40%, which means it is the second-largest cost after labor and the one that receives the least management attention. A three-point improvement on a category that size is frequently larger than a year of price increases — and it does not require asking a single customer for more money.

Consolidate or spread: the decision that sets your leverage

Two strategies exist and both are defensible. Consolidating volume with one primary supplier per category buys better pricing, better terms, better service and a relationship where problems get solved because your account matters. Spreading across several keeps pricing honest, provides a fallback when one has a shortage and prevents dependence.

The arrangement that works for most service companies is neither extreme: a primary supplier holding the large majority of the volume in each category, plus a live secondary account used regularly enough to stay active. Regularly is the operative word — an account that has not been used in eight months has no pricing, no credit line and no urgency when you finally need it, which is exactly the day the primary is out of stock.

One caution about consolidation. A supplier who knows they hold all of your volume and that switching would be painful eventually stops sharpening the pencil. The defense is not disloyalty; it is a scheduled annual review where the numbers are examined and the market is checked, which keeps the relationship honest without threatening it.

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The relationship that matters is at the counter, not in the boardroom

Owners tend to build the supplier relationship with the outside sales representative, who negotiates the pricing agreement once a year. The relationship that determines whether a bad day gets rescued is with the counter staff and the warehouse — the people who decide whether to check the back for one more unit, whether to hold something aside and whether to answer the phone at 6:50 in the morning.

Three practices build that, and none involves money. Learn names and use them, including the person who loads the truck. Make your crews easy to serve: accurate part numbers, orders placed the evening before rather than at the counter during the morning rush, and technicians who do not treat the counter as an obstacle. And close the loop when someone helps — telling the branch manager that a specific person saved a job is worth more to that person than anything a contractor can hand them, and it produces a level of service that no pricing agreement specifies.

There is a commercial dimension too. Counter staff know which contractors are busy, which are struggling and who is looking for a crew. They also field customer questions and are asked for recommendations more often than most contractors realize.

The money left on the table: rebates, programs and terms

Manufacturers and distributors run programs that small contractors routinely fail to claim, usually because nobody asked what exists.

Volume rebates pay back a percentage after annual thresholds, and the threshold is frequently within reach when purchases across categories are consolidated. Loyalty and registration programs offered by manufacturers can provide extended warranties, training, leads and marketing support, and many are free to join. Co-op advertising funds set aside a portion of purchases to reimburse marketing that features the brand — an existing budget that goes unused when nobody submits. Early payment discounts, where a small percentage is deducted for paying within days rather than on terms, can be a strong return on cash when the business has it. And promotional pricing on specific items, often announced quarterly, rewards buying scheduled work slightly ahead of need.

The single action that captures most of this is one meeting a year with each primary supplier, with one question: what programs exist that we are not enrolled in or not claiming? Suppliers rarely volunteer the full list, not from bad faith but because the programs live in different departments — and the contractor who asks the question every year collects money the identical contractor next door leaves behind.

The annual supplier review

Once a year, per primary supplier, ninety minutes with the numbers in front of both parties. It is a normal business practice everywhere else and almost unheard of in small service companies.

What goes on the table: total spend for the year, by category; fill rate, meaning how often ordered items were available; delivery performance against what was promised; pricing compared to the agreement and to the market on a handful of representative items; returns and credits, and how they were handled; and the programs question above. What comes out of it is a pricing agreement for the coming year, corrections to whatever drifted and a supplier who now knows their account is measured.

Two things make it productive rather than adversarial. Bring your numbers, not complaints — a fill rate of 82% is a conversation, while an impression that they are often out of stock is an argument. And bring your forecast: a supplier who knows what your volume is likely to be next year can price for it, and volume that arrives unannounced buys nothing.

The cheapest supplier is rarely the cheapest supplier. Before switching for a lower unit price, price the whole relationship: delivery you would lose, terms that would shorten, stocking that would disappear, the credit line you would rebuild from zero and the hours your crews would spend chasing material. Companies that switch on unit price alone frequently discover that the savings were consumed in the first month by labor nobody counted.

Buying better also means buying less

Procurement improvement is not only about price per unit. In most service companies a meaningful share of material cost is waste that never reaches a customer.

Four sources account for most of it. Over-ordering from imprecise takeoffs, which becomes truck stock, then shop clutter, then obsolete inventory. Emergency purchases at retail prices because something was not on the truck, which in some companies represents a surprising fraction of annual material spend at two or three times the account price. Loss and shrinkage, which nobody wants to discuss and which a simple sign-out system for high-value items largely resolves. And obsolescence, where parts for equipment nobody installs anymore occupy capital on a shelf.

The measurement that surfaces all four is straightforward: material cost as a percentage of revenue, tracked monthly and by job type. When it drifts upward while prices are flat, the cause is one of these four — and knowing which one requires nothing more than looking at where the purchases happened and at what price.

Passing through price increases without absorbing them

Material costs move, sometimes sharply and with little notice, and the companies that get hurt are not the ones facing the increase — they are the ones who quoted before it and had no mechanism to respond after it. Three practices handle this.

  • Put a validity period on every estimate. Thirty days is standard in most trades and is accepted without comment when it is printed on the document from the start. An estimate with no expiration is a price the customer can accept in four months, at your cost.
  • Include a material escalation clause on longer projects. A simple provision stating that pricing is based on costs as of a date, and that documented increases above a stated threshold before the material is purchased will be passed through with evidence. Customers accept it far more readily than contractors expect, particularly when it is symmetrical — decreases pass through too.
  • Buy and store on committed work. Once a job is signed and the material price is volatile, purchasing early converts an uncertain cost into a known one. It consumes cash and storage, which is exactly the trade-off to evaluate rather than to avoid.

There is a communication side that matters as much as the contract language. When an increase is real and has to be passed on, showing the supplier's notice or the invoice does more than any explanation — a customer resents a price that moved and understands a documented cost that moved. And when a cost falls, saying so unprompted on a job where the clause exists buys credibility that will be needed the next time it goes the other way.

One internal discipline supports all of it: keep a dated record of what key materials cost, updated quarterly, on the fifteen or twenty items that represent most of your spend. It takes a few minutes, it makes escalation conversations factual, and it is what allows an owner to notice a trend while it is still a trend rather than after it has quietly consumed two points of margin across every job in the pipeline.

Five mistakes in supplier management

  • Negotiating price and ignoring terms, delivery and stocking. Those three are frequently worth more than the discount being argued about.
  • Letting the secondary account go dormant. The day you need it is the day it has no pricing, no credit and no urgency.
  • Building the relationship only with the sales rep. The counter and the warehouse decide whether a bad day gets rescued.
  • Never asking what programs exist. Rebates, co-op funds and manufacturer programs go unclaimed simply because nobody asked.
  • Switching on unit price alone. The savings are frequently consumed in the first month by labor chasing material.

The numbers to track

Five figures manage this cost: material and supplies as a percentage of revenue, monthly and by job type, which is the headline number and the one most owners have never plotted; spend by supplier, which reveals whether volume is concentrated enough to negotiate; fill rate by supplier, which is the service metric that actually costs labor hours; percentage of purchases made at retail or emergency pricing, which is pure waste and usually larger than expected; and rebates and program funds claimed against those available, which for most small contractors starts near zero and is the fastest money in this entire article.

Find out what your material spend is really costing

Send us twelve months of purchases by supplier and your revenue for the same period. We will calculate material as a percentage of revenue by job type, identify how much was bought at retail or emergency pricing and estimate what volume consolidation and unclaimed programs are worth in your numbers.

Frequently asked questions

What matters in a supplier relationship besides price?

Seven things, and several are worth more than the discount usually being argued about. Terms, since thirty days versus payment on receipt is a working capital difference that can exceed several points of discount in a business that waits on customer payment. Delivery, because a supplier who reaches the jobsite by seven in the morning saves a technician an hour of driving and waiting, which at a fully loaded labor cost exceeds the delivery fee and happens daily. Stocking, which prevents the substitution and the second trip that consume a day. Returns, since restocking fees and return windows are a real cost when quantities are estimated from a walkthrough. Credit line, which determines whether you can take a larger job without funding material personally. Rebates and programs. And technical support and warranty handling, including whether the labor to redo work is covered.

Should a service business consolidate purchases with one supplier?

Mostly, with one important exception. Consolidating volume with a primary supplier per category buys better pricing, terms and service, and a relationship where problems get solved because your account matters. Spreading across several keeps pricing honest and provides a fallback. The arrangement that works for most companies is neither extreme: a primary holding the large majority of the volume in each category, plus a live secondary account used regularly enough to stay active — and regularly is the operative word, because an account unused for eight months has no pricing, no credit line and no urgency on the day the primary is out of stock. One caution: a supplier who knows they hold all your volume eventually stops sharpening the pencil, and the defense is a scheduled annual review rather than disloyalty.

Why does the counter relationship matter more than the sales rep?

Because the outside sales representative negotiates the pricing agreement once a year, while the counter staff and the warehouse decide whether a bad day gets rescued — whether someone checks the back for one more unit, holds something aside or answers the phone at 6:50 in the morning. Three practices build that relationship and none involves money: learn names and use them, including the person who loads the truck; make your crews easy to serve, with accurate part numbers, orders placed the evening before rather than during the morning rush, and technicians who do not treat the counter as an obstacle; and close the loop when someone helps, because telling the branch manager that a specific person saved a job is worth more to that person than anything a contractor can hand them. Counter staff also know which contractors are busy and are asked for recommendations.

What supplier programs do small contractors typically miss?

Five categories, usually missed because nobody asked what exists. Volume rebates paying back a percentage after annual thresholds, which are frequently within reach when purchases across categories are consolidated. Loyalty and registration programs from manufacturers offering extended warranties, training, leads and marketing support, many free to join. Co-op advertising funds that set aside a portion of purchases to reimburse marketing featuring the brand — an existing budget that goes unused when nobody submits. Early payment discounts, which can be a strong return on cash when the business has it. And promotional pricing on specific items, often quarterly, which rewards buying scheduled work slightly ahead of need. The single action that captures most of it is one meeting a year per primary supplier asking what programs exist that you are not enrolled in or not claiming.

How should an annual supplier review be run?

Ninety minutes per primary supplier, once a year, with numbers in front of both parties. On the table: total spend by category; fill rate, meaning how often ordered items were available; delivery performance against what was promised; pricing compared to the agreement and to the market on representative items; returns and credits and how they were handled; and the programs question. Out of it comes a pricing agreement for the coming year, corrections to whatever drifted, and a supplier who now knows the account is measured. Two things make it productive rather than adversarial: bring numbers instead of complaints, because a fill rate of 82% is a conversation while an impression of frequent stockouts is an argument; and bring your forecast, since a supplier who knows next year's likely volume can price for it and volume that arrives unannounced buys nothing.