By Greg Allan, tradesman and creator of Data First Coaching
Why can a carpentry business look profitable and still get caught out by tax?
A carpentry business can run a strong year, every job quoted and the diary full, and still land a tax bill that catches the owner off guard, because looking profitable on paper is not the same as knowing the real net position. Being busy and winning work is proof of turnover, not proof of profit, and turnover and profit are rarely the same number.
Most carpenters price a job on what the timber, hardware and labour should cost, add a margin, and send the quote. On paper that job looks profitable. What often gets missed is everything that sits between the quote and the bank balance: the materials that creep past what was allowed, the travel between a fit-out and a deck job on the same day, the hours spent at the trade counter that never get billed to anyone. None of it shows up as one big loss. It chips away at the gross profit margin on every job, quietly, until the number left at the end of the year is smaller than the owner thought it was.
What costs quietly disappear between a quote and the bank account?
A quote rarely fails in one obvious place. It fails in small, repeated gaps: a bracket or a post left off the materials list, a variation agreed on site but never written up, an extra trip for fixings that eats an hour nobody charged for. Each one looks minor. Together they are the difference between a job that looked profitable and one that barely covered its costs.
Picture a carpentry business where quoting was slow and done by memory, job to job. With so many parts on every build, from framing timber down to brackets and post caps, small items kept getting left off the quote and then turned up missing on site, meaning a trip to the yard, a delay, and a cost nobody had priced in. The fix was not a bigger markup. It was a quoting approach built around a checklist for each type of job, so nothing got missed before the quote ever went out.
What should you look for in a business coach?
A good business coach for a carpenter has run a trade business themselves, not just studied one, and starts every conversation from your own numbers rather than asking you to explain your business from memory. They look for where a problem actually starts, not just where it shows up, and they fix it with a system rather than a worksheet.
Before you sign up with anyone, ask what they look at first. If the answer is your story rather than your numbers, that is worth noting. Ask whether they have run a trade business, carpentry or otherwise, because pricing a deck, a fit-out and a day rate for a builder each carry their own version of the gross-versus-net problem, and theory alone does not catch it. Greg Allan built his own trade business before coaching others, including carpenters and those in cladding, which is part of why the guidance starts from lived margin and cashflow problems rather than a generic framework.
Watch for warning signs too. A coach who leads with a sales pitch before asking a single question about your numbers. One who answers every problem the same way, usually “hire someone”, without looking at whether the business can actually carry that cost. Advice that reads the same whether you run framing crews, a fit-out business, or a one-person fix-out operation. A carpentry business has its own quoting rhythm, its own supplier relationships and its own mix of fixed quotes against day rates, and a coach worth paying should treat that as the starting point, not an afterthought.
How do AI agents help you catch these gaps before they cost you?
An AI agent is software that does a job the way you would do it yourself, using your prices, your wording and your rules. For a carpenter, that can mean an agent that checks a quote against the materials a job of that type usually needs before it goes out, so a missing bracket or post gets caught on screen instead of on site.
This matters because the owner who feels too stretched to look closely at pricing is often the one most exposed to the gap between gross and net. AI agents can take on that checking and chasing work in the background, the non-billable admin that eats evenings, so the owner's time goes back onto customers and the crew rather than onto paperwork. The agents do not replace the thinking. They make sure the right numbers are in front of you before a decision gets made, which is the whole point of working data first rather than from memory.
Is a coach worth the cost for a small carpentry crew?
The cost of a coach is easy to measure. The value is harder to see until someone shows you the gap between what your quotes say and what your bank account says, which is exactly where a data first approach starts. For a small carpentry crew, one job priced wrong or one quiet gap repeated across a year can be worth more than the coaching itself.
That is the honest answer to whether it is worth it: not a feeling about support or accountability, but whether someone can show you, from your own numbers, where the business is actually leaking margin, and help you close that gap at the root rather than patching it again next job.
How does Data First Coaching approach this?
Data First Coaching, created by Greg Allan, starts from the carpentry business's own numbers through the Trade Business Intelligence, not from the owner explaining the business from memory. For this question it looks first at the gap between what a quote shows as gross profit and what actually lands as net, because that gap is where most of the surprises sit, including, as Greg puts it, “those big bills that you weren't expecting come in like after a big profit year”. The how, the specific systems and the masterclasses behind it, is worked through inside the Academy, among members who are open minded, innovative and willing to share, because the Trade Business Intelligence is powered by every member for every member.
Looking for a business coach who starts from your numbers? Carpenter Business Coach or every answer for carpenters.
