What Is Gross Profit Per Crew-Day? (And Why It's the Only Job Number That Doesn't Lie)

Ask a contractor how a job went and he'll tell you the ticket. "Sold it at eighteen five." Ask him how the month went and he'll tell you volume. "We did two-eighty this month."

Neither number tells you whether the business made money. I ran a home improvement company for a long time before I understood that, and it cost me plenty to learn it. The number that finally told me the truth is one almost nobody tracks: gross profit per crew-day.

The definition

Gross profit per crew-day (GPPCD) is exactly what it sounds like:

Take the gross profit on a job — contract price minus the direct costs of the job: materials, labor, and subs — and divide it by the number of days a crew was tied up producing it.

That's it. One division. If a job carried $9,000 of gross profit and it took your crew three days, that job earned you $3,000 per crew-day. If another job carried $12,000 of gross profit but ate eight crew-days, that job earned you $1,500 per crew-day — and it was the worse job, even though it looked bigger on paper.

Why the ticket lies and this number doesn't

Every contractor I've ever met — myself included, for years — mentally ranks jobs by contract price. Big ticket, good job. Small ticket, filler.

But the ticket ignores the one resource you can't buy more of on short notice: qualified crew time. You can order more material tomorrow. You cannot order another good installer tomorrow. Your crews' days are the inventory of the business. Every day a crew spends on a job is a day it cannot spend on any other job.

So the real question about any job type is never "how big is the ticket?" It's "what does a day of my crew's time earn when it's pointed at this kind of work?"

That reframing changes the ranking of almost every job list I've ever scored. The "big" job that drags on for two weeks quietly earns less per day than the "little" job your guys knock out before lunch. The dog isn't the small ticket. The dog is the slow gross profit.

A worked example

Two jobs, same company, same month:

Job A is the one the salesman rings the bell for. Job B is the one nobody brags about. But every day your crew spends on Job B–type work earns almost four times what a day on Job A earns. If you could fill a season with Job B, you would run a smaller, calmer, dramatically more profitable company.

That's not an argument to stop selling sunrooms. It's an argument to know what each lane actually pays before you decide where to point your marketing, your sales team, and your crews.

What's a good number?

It depends on your overhead, and yours is not your neighbor's. But here's the frame I use:

• The floor is your daily overhead per crew. Add up everything the business costs to keep the lights on — rent, trucks, insurance, salaries, the lights themselves — and divide by the crew-days you actually produce in a year. (Marketing gets its own math — cost per lead, cost per sale — keep it out of the nut.) For a lot of mid-size shops that lands somewhere around $2,000 a crew-day. Below that line, a job type isn't thin. It's losing.
• The target sits comfortably above the floor. If your floor is $2,000, jobs printing $3,500+ per crew-day are carrying the company. Jobs in between are thin — not losses, but not what you build a business on.

Run every completed job from the last twelve months through the division and sort. Three piles show up every time: the job types that print, the ones that are fixable (usually with speed), and the dogs you've been keeping around out of habit.

Speed is the lever

Here's the part that surprises people: the fastest way to raise GPPCD on a thin job type usually isn't raising the price. It's cutting a day.

Take that sunroom: $10,500 of gross profit over 7 crew-days is $1,500 a day. Get the same job done in 5 days — better staging, pre-fab, tighter scheduling, whatever it takes — and the same job now earns $2,100 a day. You just gave yourself a 40 percent raise without touching the price, and you freed up two crew-days to go earn on the next job.

Price increases meet resistance in the market. Speed increases meet resistance only in your own operation. One of those you control.

The hard input: do you know your crew-days?

Here's the honest catch. Most contractors' books can tell you price and margin, because the accountant needs those. Almost nobody's books can tell you how many days a crew actually spent on a job, because nobody made them write it down.

If that's you, start today. It's one field: job number, days on site. Thirty days from now you can score a month of jobs. A year from now you'll know your lanes cold — which job types to feed, which to fix, and which to walk away from, no matter how good the ticket looks.

The ticket is what the customer paid. Gross profit per crew-day is what you kept, per day of the only resource you can't buy more of. Track the second one.