By Greg Allan, tradesman and creator of Data First Coaching
Why does a plastering business stall even when the work keeps coming in?
Most plastering businesses that feel stuck are not short of jobs, they are short of clarity on which jobs actually pay. A plasterer can have a full diary of sheeting, setting, cornice and patching work and still feel the cash is tight, because the diary does not show which jobs carry the business and which ones quietly cost it money.
The squeeze usually shows up as symptoms: crews waiting on drying time between coats, travel eating into a day between scattered sites, a renovation patching job that blew out once the old ceiling turned out worse than quoted, or a builder paying thirty or sixty days late on a sheeting job already finished and invoiced. Each of these feels like a one-off. Looked at together, in the plasterer’s own numbers, they are usually the same pattern showing up in different jobs.
Why does advice from a general business coach often not fit a plastering business?
Generic coaching advice tends to treat a plastering business the same as a landscaper or an electrician, and that is where it falls down. A coach who has never run crews between sites, never priced a square metre rate against drying time and callback risk, and never chased a builder for a late progress payment will reach for the same worksheet regardless of the trade in front of them.
The result is advice that sounds sensible in a seminar and does nothing for a plasterer’s actual margin. “Raise your prices” means little without knowing which job type, sheeting, setting or cornice, is the one losing money. “Get organised” means little without knowing where the hours are actually going between quoting, travel and chasing payment. Advice built for every trade at once is rarely built for this one.
What should a good coach for a plastering business look at first?
A good coach starts with the plasterer’s own numbers before offering an opinion, because those numbers are the only honest picture of what is actually happening in the business right now. Memory of “a good month” or “a bad client” is usually out of date within weeks.
The figure worth knowing before anything else is gross profit margin, broken down by the kind of work a plastering business actually does, not one blended number for the whole business. Sheeting, setting, cornice work and renovation patching rarely sit at the same margin, and subcontracted work for a builder often carries different risk again. Once that is visible, you can see whether the business is busy with the right work or simply busy.
That is the difference between data first coaching and the usual kind: the fix goes in where the plasterer’s own data shows the problem actually starts, not where it happens to show up first.
What should you ask before you pay a plastering business coach?
Before you sign anything, ask whether the coach has actually run a trade business, whether they start from your own job and finance data or ask you to spend the first session explaining your business to them, and whether their fix is a system that keeps working after the call ends or a worksheet you fill in once and forget.
Watch for warning signs. A salesperson doing the selling before you ever speak to the person coaching you. A coach who answers every problem the same way, usually “hire someone” or “raise your prices,” regardless of what your numbers actually show. Advice that would read exactly the same if you ran a different trade entirely. Greg Allan, who built and ran his own trade business before coaching tradies, built his method around starting from the owner’s own numbers for this reason: a plasterer’s business tells you where it is actually bleeding, if someone looks properly.
What changes when AI agents take on a plastering business’s office work?
An AI agent is software that does a job the way you would do it yourself, using your own prices, your own wording and your own rules, rather than a generic template. For a plastering business, that can mean consistent square metre quoting across sheeting, setting and cornice work, automatic follow up on a builder running late on payment, or tracking variations when a patching job turns out to need an extra coat.
What changes is not just speed, it is where your time goes. The non-billable hours that used to go on chasing invoices or rewriting the same quote go back to the crew, the sites and the customers, because the office work is being done your way in the background.
How does Data First Coaching approach this?
Data First Coaching, created by Greg Allan, starts with a plastering business’s own job and finance data through the Trade Business Intelligence, not with the owner explaining the business from memory. It looks for where margin, time or cash actually starts leaking, whether that is in quoting by job type, crew scheduling around drying time, or payment terms with builders, and works back from there rather than treating the symptom again next month.
The how, the systems built from that picture, is worked through inside the Academy, with other members. The Academy is for plasterers 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? Plasterer Business Coach or every answer for plasterers.

