Thursday, October 29, 2026

AI speeds up whatever you point it at. Here is how to match it to the one link in your business that is actually limiting growth, before you spend on tools.

Ask most SME owners how much of their revenue comes from their single biggest customer, and you'll get a rough guess, usually followed by "but we're fine, they've been with us for years." That's precisely the sentence owners said about the customer who left.

US accounting standards (ASC 280-10-50-42) require public companies to separately disclose any customer that makes up 10% or more of revenue — not because 10% is inherently dangerous, but because regulators decided that's the threshold worth telling investors about. SME owners rarely have to disclose anything to anyone, which is exactly why customer concentration quietly becomes someone else's problem to notice — usually a bank, a buyer, or an owner's own cash flow, at the worst possible moment.

The Math Most Owners Never Actually Run

Run it once and it's uncomfortable in a way no survey needs to prove. A business with four roughly equal customers loses 25% of revenue the day one leaves. A business with one customer at 40% of revenue loses almost half overnight — not because the market turned, not because the team underperformed, but because one phone call happened. That's not pessimism. It's arithmetic every SME owner is running without realising it, every day they don't check the number.

Three Moves That Actually Reduce the Risk

  • Know the real number today. Calculate what percentage of the last twelve months' revenue your top one, three and five customers represent — not a guess, the actual figure.
  • Set a written cap for any single customer. Most advisers land somewhere between 15% and 25%, depending on how replaceable that revenue would be. Treat any new deal that would breach it as a conscious decision, not an accident.
  • If you're already over the cap, grow everyone else faster. The fix isn't firing the big customer — it's a genuine new-customer push, not just servicing the big account even better.

"I have grown my business 5x since working with Kevin. Everything Kevin told me to do was the complete opposite of what I had been doing. Working with Kevin has truly been a complete game changer."

— Richard, Chem Suppliers

Why Owners Who Know This Still Haven't Run the Number

The biggest customer is usually also the easiest revenue — the one that doesn't need chasing, the one where the relationship already exists. Deliberately spending time and money on smaller, harder customers to dilute dependence on the easy one feels like working against your own instincts. It is, which is exactly why most owners need someone outside the relationship to make the case for diversifying before the easy customer makes the decision for them.

Key Takeaways

  • Calculate your top one, three and five customers' real share of last year's revenue.
  • Set a written concentration cap, typically 15–25%, and treat breaches as a decision, not a drift.
  • Grow the rest of your customer base deliberately if you're already over the cap, rather than deepening the dependency.
  • Get an outside view — the easy customer is the hardest one to diversify away from on your own.

If you can't say your top customer's share of revenue to the nearest 5% right now, that's the first number we find together.

Wednesday, October 14, 2026

Nearly a third of small business owners have never taken a full week off, and new 2026 data shows the ones working the longest hours are also the most likely to want out. Here is the three-question test for turning hours into real freedom.

Wednesday, October 14, 2026

Over half of SMEs entering a new market in one UK study hit real problems doing it. The Ansoff Matrix maps the three safer growth routes most owners skip past first.

Wednesday, October 14, 2026

45 percent of business owners in one survey feel trapped running the business they built. Here's how the Theory of Constraints, pointed at the owner instead of the process, finds the real fix.

Wednesday, October 14, 2026

UK SME owners spend six working days a month on admin and 3.6 days on growth, one survey found. Dan Sullivan's Who Not How habit flips which question you ask first.

Wednesday, October 14, 2026

Nearly half of SMEs in a 2026 survey had not raised prices since 2022. Here's the three-sentence script that makes the overdue price conversation simple instead of stressful.

Wednesday, October 14, 2026

76 of 100 B2B brands in a 2026 study fell into a credible-but-indistinguishable Sameness Zone. Here's the four-word positioning test, the Onliness Statement, that pulls a business out of it.

Wednesday, October 14, 2026

Your revenue is up and your margin just fell anyway — here's the planning gap behind it. Four moves that put margin back on the same page as your growth target before next year's numbers are set.

Tuesday, October 13, 2026

A practical playbook for NZ construction and building products owners: the market, the real growth constraints, how to price and win work, and a 90-day plan.

Tuesday, October 13, 2026

53 percent of small business owners say nothing would change if AI vanished tomorrow, and that is not an adoption problem, it is an embedding problem. Here is the three-question test that shows which one your business actually is.

Tuesday, October 13, 2026

New industry research finds most senior consumer goods leaders cannot say whether their last year of promotions actually made money. Here is the Revenue Growth Management discipline that fixes it before Christmas stock ships.

Tuesday, October 13, 2026

New research shows 90 percent of small business owners are preoccupied with work outside normal hours. Michael Gerber's E-Myth explains why, and names the one shift that actually fixes it.

Tuesday, October 13, 2026

Workplace research puts the cost of refocusing after an interruption at around 23 minutes, and the average worker now fields well over 100 messages a day. Here is how to protect the hours that actually move your business.

Tuesday, October 13, 2026

Forrester research finds only 8 percent of B2B buyers name price as the biggest driver of their decision. Here is how to find out what a price objection is actually about, before you reach for a discount.

Tuesday, October 13, 2026

A new Gartner survey finds most B2B buyers would rather research and decide without ever speaking to a salesperson. If your marketing cannot carry the whole sale alone, here is the tool that fixes it.

Tuesday, October 13, 2026

New Gallup data shows only 11 percent of SME owners with staff have a detailed written plan, and most of the rest will try to write next year's in December. Here is the three-date fix to do this week instead.