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The Glow Report · Vol III · Research

Retail footprint as income statement.

Author
Théo Marchetti
Published
January 2026
Reading time
16 minutes
Volume
No. III · Q1 2026

Door economics for consumer founders — how to read a door, price a door, stack doors, and know which to walk away from.

Contents

  1. I A door is a P&L, not a listing
  2. II The four line items that matter
  3. III How to price a door before you open it
  4. IV How to stack doors
  5. V Knowing which door to walk away from

§I A door is a P&L, not a listing.

The most common unforced error we see, in the wholesale contracts we review for clients, is a founder treating a door as a listing. A door is not a listing. A door is a small, quarterly, unlevered P&L, with real fixed costs and a real payback period, and the sooner a founder begins reading each door as such the sooner they stop losing money at the hands of retailers who, correctly, assume they will not bother.

This essay presents the model we use with clients. It is not clever. It is the minimum arithmetic required to know which doors are compounding, which are bleeding, and which are, in the uncomfortable third category, paying back slowly in brand equity that the dashboard cannot see but the next retail meeting will.

A word on terminology. We use door as a unit of analysis — a single physical retail location carrying a single range of your product. A chain is not a door. A chain is a portfolio of doors. Most founders, most of the time, are effectively managing a portfolio they have never read at the individual-door level. This is the tractable error.

§II The four line items that matter.

A door's quarterly P&L has four interesting line items for the brand, and only four: unit velocity, effective unit margin after trade, amortised slotting or onboarding cost, and the marketing cost the brand is spending specifically to support that door. Every other number — retailer margin, category promotion, shelf position — collapses into one of these four. Get the four right and the door pays back or does not.

Most founders can produce the first two numbers. Fewer can produce the third cleanly because slotting, free-fill, and first-year promotional subsidy tend to sit in different places on the ledger. Almost none can produce the fourth, because the marketing cost of a door is mostly invisible — the social campaign that drove awareness, the sampling budget that created repeat, the sell-through subsidy that the brand quietly absorbed to avoid a re-range review.

The discipline is to calculate, every quarter, the loaded economics per door. If a door is not paying back its allocated share of these four line items inside an agreed window — we use 14 months as the default, longer for certain prestige categories — the door is not a door you should keep. This is uncomfortable. The usual reason it is uncomfortable is that the door's name, rather than the door's economics, is what the founder is defending.

You are not in Whole Foods; you are in 463 separate P&Ls, each with its own retail reality, and about a third of them would fail their own case. — Théo Marchetti, client meeting, 2024

§III How to price a door before you open it.

The most important door math is the one done before the door exists. A founder evaluating a new door — a new chain, a new region — needs a defensible estimate of the four line items before signing. This is not speculation; every retailer has door-level velocity distributions they will share with brands that ask the right questions, and every category has comparable set data that can be triangulated.

We build clients a short pre-door model. Top line: category-weighted velocity, retail margin, slotting amortised over 12 months, door-specific marketing cost. Sensitivity: what velocity must the door hit to pay back inside 14 months. A door that requires a 75th-percentile velocity to pay back is a door you are unlikely to keep. The founder, who is about to sign, needs to know this before signing. In our experience, about two-thirds of them would re-negotiate slotting or walk away if they saw the number. Most of them have never been shown the number.

This is what we mean by door as income statement. The door is a contract that produces a predictable quarterly statement. If the statement is predictably bad, the door is predictably bad. The brand's narrative around the door — that it is strategic, that it is about visibility, that it is helping us learn — is a story. The P&L is the P&L.

§IV How to stack doors.

Once a brand has more than forty doors, the interesting operational question is not how to add more; it is how to stack the ones they already have. We use a three-band system with clients. Band A: doors compounding above category velocity. These are the ones the founder visits quarterly. Band B: doors paying back inside window but below category average. These are the ones the head of sales owns. Band C: doors not paying back inside window. These are the ones being actively exited, replaced, or re-negotiated.

The usual ratio, in our client base, is roughly 20 / 55 / 25 across A, B, C. Founders with a shelf of forty-plus doors are almost always surprised by the size of C. They assume, because they got into the retailer, that the retailer is the win. The retailer is the listing. The win is the door.

The operational rule: inside a given window, any C-band door is either converted to a B-band door through specific, door-level intervention, or exited. No door is allowed to remain in C-band across two consecutive windows. The reason is not just commercial. C-band doors consume disproportionate brand and sales effort relative to the revenue they produce, and that effort has better homes.

§V Knowing which door to walk away from.

The hardest decision in retail is not which door to pursue. It is which door to walk away from. Founders can almost always rationalise pursuit: the door is strategic; the door teaches the brand; the door signals; the door is a step towards a bigger door. Founders struggle, consistently, to rationalise walking away. The rationalisation they need is the P&L.

We have talked clients out of more doors than we have talked them into. The conversations are uncomfortable. They usually end with the founder having to accept that the door they were proud of was losing money in a way the dashboard had not admitted, and that the right move was to exit it, quietly, before the next category review forced a less-elegant exit.

This is what the income-statement frame is for. It puts the door in the only language that can overrule the founder's attachment to it: money, over time, per unit, against a clock. If the door does not survive that language, the door is a narrative. Narratives are valuable, but they should not be sitting inside your retail P&L.

Footnotes

  1. The pre-door model sheet is available to clients on request. The methodology draws on our own retail intelligence dataset and the methods published in the IRI/Circana grocery-by-door panels.
  2. A companion field note, How to read a shelf, by Ada Chen, teaches the observational half of this skill. This piece teaches the arithmetic half.
T

Théo Marchetti

Director, Retail Intelligence · Glow Group

Théo leads retail intelligence from Paris, and commutes to the New York office more often than is strictly healthy. Before Glow he spent eleven years with Nielsen and IRI, and three inside Danone's category leadership team. He has, by his own count, walked 1,400 aisles in 26 countries since 2012 and is still finding new things to be annoyed by.

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