Most of your profit comes from a small part of your business. The rest is paying for the privilege.

Every business I have run or advised has had the same shape hiding in it. A narrow band of customers buying a narrow band of products generates almost all of the profit. Everything else — the long tail of small accounts, special orders, legacy SKUs nobody will discontinue — generates revenue, consumes capacity, and earns close to nothing.

The reason it survives is that a P&L cannot see it. Overhead gets spread evenly across everything, so the tail looks roughly as profitable as the core. It is not.

Four numbers you already know will show you the shape. Revenue, gross margin, how concentrated your customers are, how concentrated your products are. The tool splits your business into four quadrants and puts a profit figure on each one.

Every input has an i next to it explaining what it is and where to find it.

No data project, no upload, no login. Four numbers and about two minutes.

The Profit Map

See where your
profit actually lives.

Four numbers you already know. No data project, no upload, no login. In thirty seconds you will see how your revenue and your profit split across your customer and product mix — and a conservative estimate of how much profit is trapped in the parts nobody is managing.

Your business

Round numbers are fine. Precision changes nothing here.

Total company revenue, last twelve months.
Revenue less cost of goods, as a percent of revenue.
Roughly what share of revenue do they account for? If you cannot answer this within ten points, that is itself the finding.
80%of revenue
Same question, on the product side.
80%of revenue
Refine the assumptions
Everything below the gross margin line.
60%of blended margin
25%of the tail's overhead
5%revenue growth
The prize
As % of revenue
Basis points
Gross profit today
Where it lives

Your four quads.

Quad 1  ·  A customers × A products
The Fort
Your best customers buying your best products.
Revenue
Share of revenue
Margin
Gross profit
Defend it. Then grow it.
Quad 2  ·  A customers × B products
Could Be Great
Good customers buying your long tail.
Revenue
Share of revenue
Margin
Gross profit
Lower the touch. Keep the customer.
Quad 3  ·  B customers × A products
Necessary Evil
Small accounts buying your core products.
Revenue
Share of revenue
Margin
Gross profit
Price it properly. This is usually the prize.
Quad 4  ·  B customers × B products
Can't Realize a Profit
The tail selling to the tail.
Revenue
Share of revenue
Margin
Gross profit
Simplify. Almost all of it.

The concentration

Revenue by customer quartile.

QuartileRevenue % of revenueShare CumulativeCum.
Q1 — your largest quarter
Q2
Q3
Q4 — your smallest quarter
Total100.0%100.0%

How you get it

Three levers, in order.

Stop the bleed
Recover Quad 3 and Quad 4
Remove the complexity
Overhead serving the tail
Grow the Fort
Share gain where you already win
The prize

Every assumption behind that number

    Read this part

    What this cannot know.

    This is a benchmark, not an audit. It assumes your customer ranking and your product ranking are independent of each other. In a real business they are correlated, and the direction of that correlation moves these numbers.

    It cannot tell you which customers and which SKUs are in Quad 4. It cannot tell you whether the overhead serving your tail is genuinely removable or structurally fixed. It cannot tell you what pricing power you actually have, by segment, with the accounts that are underwater today.

    Those three answers require your transaction data. That is a different exercise, and it typically finds substantially more than this page does — because it works on what is true rather than what is typical.

    If the number is big enough to bother you

    Bring me the mix you have never actually looked at.

    I run this on real transaction data for operators carrying a number they have to defend. If what you see above is directionally right, the conversation is worth thirty minutes.

    Talk to me
    Bill Canady  ·  billcanady.com
    Directional estimate for discussion. Not financial advice.

    What to do with four quadrants

    The instinct on seeing this for the first time is to go and cut the tail. Resist it for a quarter. The quadrants are a diagnosis, not an instruction — and two of the four are worth more attention than the one you are tempted to delete.

    The Fort is a defensive position, not a growth plan

    Your A customers buying your A products are where the profit is, and they are also where a competitor would attack first. Most businesses under-serve the Fort because it never complains. Protect it before you optimise anything else.

    Could be great is where the money actually is

    A customers who are not yet buying your A products already trust you, already buy from you, and already cost nothing to acquire. This quadrant is almost always the cheapest growth available, and it is almost always the one nobody owns.

    Necessary evil earns its name

    B customers buying A products are worth keeping and worth re-pricing. The product is good; the service cost is the problem. Change the terms, not the relationship.

    Can't profit is a pricing decision before it is an exit decision

    Raise the price to what the work actually costs. Some of it leaves — that is the point — and some of it turns out to have been mispriced rather than unprofitable all along.

    The report above lays out your four quadrants with the numbers, the removable overhead, and the size of the prize — as a document you can hand to your leadership team.

    If the shape of this looks familiar

    Concentration is not a flaw to be corrected. It is the structure of the business, and once you can see it you can run to it deliberately instead of spreading yourself evenly across everything.

    Talk to me about your profit map →

    Or start upstream. If your business is private-equity-backed, the profit map is the second question. The first is what EBITDA your sponsor underwrote and by when. Find your board's number →