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Your Dentist Has Been Telling You the Same Thing for Years — A Scaling Startup Operational Diagnostic

  • Writer: Greg Tennant
    Greg Tennant
  • May 20
  • 2 min read

Updated: May 20

Every six months, the instruction is the same: floss daily, come back for a clean, brush for no less than two minutes, deal with the small things before they become something worse. And every time, the patient nods, means it, and leaves. Then work picks up, travel happens, something more pressing takes the diary slot, and six months becomes fourteen.



The return visit is rarely dramatic. It's just the quiet indignity of sitting in the chair while someone who told you exactly what would happen explains, without judgment, that it has now happened. "I did flag this at your last visit. We're past a filling now — you're looking at a root canal." The cavity that would have taken twenty minutes to treat is now something more involved — more uncomfortable, more expensive, and entirely avoidable.


I've spent twenty years working inside businesses: startups burning through early capital, established companies pushing into new markets, founder-led teams doubling in headcount and wondering why the organisation that felt tight at twenty people feels ungovernable at sixty. Across twelve countries and a range of industries, the dynamic I encounter most often has nothing to do with strategy or product. It has to do with the gap between what leaders already know is drifting and what they've decided, for now, to leave alone.


The decision-making that has been slowing for months. The accountability structures that worked when everyone sat in the same room but have never been properly redesigned for a distributed team. The culture that everyone describes as strong but that has been quietly shifting for a year, in ways no one has yet been willing to name. The operating model built for a company half the current size, still being asked to carry twice the load. These things don't arrive suddenly. They accumulate. And because the revenue is still coming in and nothing has visibly collapsed, they get parked.


The founders I most want to reach are not the ones already in crisis — they have no choice but to act. I want to reach the ones sitting somewhere between discomfort and urgency, who recognise the friction but haven't yet felt enough pain to prioritise it. That is precisely the window. That is when the work is fastest, least disruptive, and least expensive. I've sat with enough leaders at the other end of that window to understand what it costs when it closes.


The companies that scale well are not the ones without problems. Every organisation I've worked with has had things beneath the surface that weren't functioning properly. What the successful ones share is a habit of looking — regularly, honestly, before the pressure of growth forces the question. They treat an operating model the same way a healthy person treats their body: not only when something hurts, but on a schedule, because the absence of visible symptoms is not the same as health.


Your dentist has been saying this for years. The advice is not complicated. What makes it difficult is that it requires prioritising something that doesn't yet feel urgent — which is, in almost every domain, the hardest kind of discipline to maintain.


If you're not sure what's quietly accumulating in your business right now — that's worth knowing. Start with the free scaling startup operational diagnostic



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