Why good quotes still lose money
Many sign shops are busy all year and still end up with thin profit. The jobs look fine on paper. Materials are priced, the router time is counted, the install crew is on the quote. Then the year ends and the bank account tells a different story.
Very often the cause is not a bad estimate. It is a math mix up between markup and margin. An owner says "we run 40 percent" and means margin. The estimator hears "add 40 percent" and applies markup. Both think they agree. The gap between those two numbers is real money on every job, and it adds up fast.
Two other leaks make it worse.
- Overhead left out of cost, so markup is applied to direct cost only
- One markup used for every job type, from banners to pylons
This guide fixes all three. You will learn the two formulas, a conversion table, how to find your overhead rate, and how to set a target margin per job type.
What markup means
Markup is how much you add on top of cost, as a percent of cost. If a job costs you $1,000 and you add $400, that is a 40 percent markup. The sale price is $1,400.
- Markup equals profit divided by cost
- Sale price equals cost times 1 plus markup
- Example: $1,000 cost times 1.40 equals $1,400
What margin means
Margin is how much of the sale price is profit, as a percent of the sale price. On the same job, $400 profit on a $1,400 sale is a 28.6 percent margin.
- Margin equals profit divided by sale price
- Sale price equals cost divided by 1 minus margin
- Example: $1,000 cost divided by 0.60 equals $1,666.67 for a 40 percent margin
Look at that last line. A true 40 percent margin on a $1,000 job means a sale price of $1,666.67, not $1,400. That is $266.67 more on a single small job.
Why margin is the number that matters
Your income statement shows gross margin, not markup. Your banker asks about margin. Your overhead is paid out of margin dollars. When you set goals for the shop, set them in margin. Then convert to markup only if a tool or a habit needs it.
Markup and margin conversion table
Keep this table next to every estimator. The two numbers are always different, and the gap grows as the percent goes up.
| Markup on cost | Margin on sale price | Sale price on a $1,000 cost in this example |
|---|---|---|
| 25 percent | 20 percent | $1,250 |
| 40 percent | 28.6 percent | $1,400 |
| 43 percent | 30 percent | $1,430 |
| 50 percent | 33.3 percent | $1,500 |
| 67 percent | 40 percent | $1,670 |
| 100 percent | 50 percent | $2,000 |
| 150 percent | 60 percent | $2,500 |
The rows for 43 and 67 percent are rounded. The exact markup for a 30 percent margin is 42.86 percent, and for a 40 percent margin it is 66.67 percent.
The two formulas to remember
- To turn markup into margin, divide markup by 1 plus markup. A 40 percent markup is 0.40 divided by 1.40, which is 0.286, or 28.6 percent.
- To turn margin into markup, divide margin by 1 minus margin. A 30 percent margin is 0.30 divided by 0.70, which is 0.4286, or 42.86 percent.
- To price from a target margin, divide cost by 1 minus margin. That is the fastest and safest way to quote.
If you remember only one thing, remember the last line. Divide by 1 minus margin. Never multiply by 1 plus margin.
Put overhead in cost before you add margin
The second leak is overhead. Direct cost is what you can tie to one job: sheets of aluminum, acrylic faces, LED modules, power supplies, vinyl, router and laser hours, fabrication labor, install crew, lift rental, permits and subs. Overhead is everything else you pay to keep the doors open.
- Rent, utilities and property costs
- Office staff, sales and project management time
- Insurance, licenses and professional fees
- Vehicles and fuel not charged to a specific job
- Software, phones and internet
- Equipment payments and maintenance not charged by the hour
- Owner salary, if it is not part of job labor
If you add margin only to direct cost, your profit has to pay for all of this, and what is left is far less than you planned.
How to find your overhead rate
The simplest method is a percent of direct cost. Add up a full year of overhead from your books. Add up a full year of direct job cost. Divide the first by the second. Example numbers, use your own.
| Item | Example amount |
|---|---|
| Annual overhead from your books | $360,000 |
| Annual direct job cost | $2,000,000 |
| Overhead rate | $360,000 divided by $2,000,000 equals 18 percent |
Another method is a rate per labor hour. Divide annual overhead by billable shop hours. If the shop logs 12,000 billable hours a year in this example, overhead is $30 per hour, and you add it to every hour on the estimate. Both methods work. Pick one and use it on every quote.
Update the rate once or twice a year, and any time you move, add a big machine or hire office staff.
A worked example on a sign job
A customer wants a set of front lit channel letters with a raceway, installed 20 feet up. The estimate is complete. Example numbers, use your own rates.
| Cost line | Example cost |
|---|---|
| Aluminum returns, trim cap, acrylic faces, backs | $2,100 |
| LED modules and power supplies | $600 |
| Router, bender and print time | $700 |
| Fabrication and wiring labor | $1,200 |
| Install crew, bucket truck, permit, electrician | $1,400 |
| Direct cost | $6,000 |
| Overhead at 18 percent | $1,080 |
| Full cost | $7,080 |
Now look at three ways to price it.
| Method | Sale price | Profit after overhead | Real margin |
|---|---|---|---|
| 40 percent markup on direct cost only | $8,400 | $1,320 | 15.7 percent |
| 40 percent markup on full cost | $9,912 | $2,832 | 28.6 percent |
| 40 percent target margin on full cost | $11,800 | $4,720 | 40 percent |
The first method is the one that hurts. It feels like a healthy 40 percent, but after overhead the job earns 15.7 percent. The third method is what the owner wanted when they said "we run 40 percent." The difference between the first and third rows is $3,400 on one set of letters.
To see how the letter costs themselves are built, read our guide on pricing a channel letter sign.
What the gap means over a year
Say the shop sells 150 jobs like this in a year. If estimators quote with 40 percent markup on direct cost when the owner expects a 40 percent margin, the shop leaves a large sum on the table. In this example, the gap is $3,400 per job times 150 jobs, or $510,000 in missed gross profit. Even if you win fewer jobs at the higher price, the math is hard to ignore. Most shops need a far smaller fix to change their year.
Set a target margin for each job type
One number for every job is the third leak. Different work has different risk, different competition and different value to the buyer. A rush banner and a pylon sign should not carry the same margin.
Here is one way to set targets. Example ranges only, set your own from your history and market.
| Job type | Target margin in this example | Why |
|---|---|---|
| Banners, decals, yard signs | 50 to 60 percent | Small orders, high fixed time, fast turnaround |
| Window graphics and wall wraps | 45 to 55 percent | Design and install skill, site risk |
| Channel letters | 35 to 45 percent | Larger tickets, more competition |
| Cabinet and lightbox signs | 35 to 45 percent | Similar to channel letters |
| Monument and pylon signs | 30 to 40 percent | Large tickets, crane and engineering risk |
| Install only on signs you did not build | 35 to 45 percent | Liability and unknown site conditions |
| Subcontracted items passed through | 15 to 25 percent | Low effort, but you carry the risk |
| Design and artwork | 60 percent and up | Mostly time, high value to the buyer |
Then check your blended margin. If the year's mix is mostly channel letters and banners, your blended target sits near the middle of those two rows. If it falls below what your overhead needs, raise the targets on the job types you win most easily.
When to bend the target
- Repeat customers with steady volume: a small discount through a price book, not ad hoc cuts
- Slow season: take work at a lower margin only if it still covers full cost
- Strategic jobs: a landmark install may be worth a lower margin, but write down why
- Never go below full cost, including overhead, unless you choose to on purpose
A quick check before you send any quote
- Is overhead in the cost, as a line or built into the rates?
- Is the sale price computed by dividing full cost by 1 minus target margin?
- Does the target margin match the job type?
- Is the real margin, after overhead, shown somewhere you can see it?
- If you discount, what is the new real margin?
If you can answer all five in a few seconds, your quote is safe to send.
Let the estimate do the math every time
Margin math is easy on paper and easy to get wrong under pressure. A customer calls, wants a number today, and the estimator reaches for the old habit of adding a percent. That is how money leaks.
Sign estimating software removes the habit. SignEstimator applies your overhead rate and target margin the same way on every quote, and shows the sale price and the real margin side by side before the quote goes out. If someone edits a price by hand, the real margin updates right away, so a discount never hides. Try a job in our sign pricing calculator.
On the Shop plan you see win rate by rep, so you can tell whether a higher margin is costing you jobs. On the Team plan, job costing compares actual cost against the estimate, so you learn which job types really hit their targets. If you own the shop and want to see what better margins are worth in dollars, read ROI for sign shop owners.
- Overhead rate and target margin set once for the whole shop
- Sale price from full cost divided by 1 minus margin, every time
- Real margin preview next to the sale price
- Different templates and targets for each sign type
