Benchmarks and due-diligence checks that flag a healthy brand

# Benchmarks and due-diligence checks that flag a healthy brand

A brand can post 40% revenue growth and still be dying. If that growth came from doubling paid ads and slashing prices, while inventory piles up in the warehouse, you are looking at a business buying revenue it cannot keep. The numbers below are how professionals cut through the story and see the real machine underneath.

This lesson gives you a diligence checklist: the handful of benchmarks that separate a healthy fashion brand from one that is quietly bleeding.

Why these numbers, and where fashion sits

First, scale. The global apparel and footwear market is estimated at roughly 1.7 to 1.8 trillion USD in retail value (industry estimates, as of 2025). The US is the single largest national market, commonly estimated around 350 to 400 billion USD. Europe combined is broadly comparable in size, led by Germany, the UK, France, and Italy.

Growth is modest: low single digits in mature markets. That matters for diligence. In a slow-growth sector, a brand growing fast is either taking share (good) or buying it unsustainably (bad). The benchmarks tell you which.

The core acronyms you must speak

DTC (Direct-to-Consumer): selling straight to shoppers via own stores or website, skipping wholesale. Higher margin, higher operating burden.
Wholesale: selling to retailers (department stores, boutiques) who resell. Lower margin, but scale and cash upfront.
GMV (Gross Merchandise Value): total value of goods sold before returns and discounts. Marketplaces love quoting this. Treat it with suspicion.
Gross margin: revenue minus cost of goods sold (COGS), as a percentage of revenue. The single most important health signal in fashion.
Sell-through: percentage of a batch sold in a period at full or planned price.
Markdown / discount depth: how far below full price goods actually sell.
SKU (Stock Keeping Unit): one unique product variant (a shirt in size M, blue = one SKU).

Benchmark 1: Inventory turns

Inventory turnover measures how many times a company sells and replaces its stock in a year.

> Inventory turns = COGS / Average inventory

Worked example. A brand reports COGS of 60 million USD and average inventory of 15 million USD.

> 60 / 15 = 4 turns per year

Four turns means roughly 90 days of inventory on hand (365 / 4).

What is healthy? It depends on the model:

Classic apparel wholesale/DTC: often 3 to 5 turns (estimate, varies widely).
Fast fashion leaders (Zara/Inditex, H&M): notably higher, driven by rapid replenishment. Inditex has historically run a famously tight supply chain.
Luxury: can run lower turns deliberately, because scarcity protects price.

The red flag: turns falling year over year. That means product is not selling and cash is trapped in unsold stock. In fashion, unsold stock is a decaying asset: it must eventually be marked down, which destroys margin.

Benchmark 2: Return rates

Returns are the silent margin killer, especially in DTC and pure ecommerce.

Rough benchmarks (industry estimates, 2025):

In-store purchases: often under 10%.
Online apparel: frequently 20% to 30%, sometimes higher for fit-sensitive categories (dresses, tailoring, shoes).

Fashion returns run higher than almost any other retail category because of fit and "bracketing" (a shopper buys three sizes intending to keep one).

Why it matters for diligence: a brand quoting only gross sales may hide a 30% return rate. Net revenue is what pays the bills. Always ask for net of returns.

Each return also carries reverse-logistics cost: shipping back, inspection, repackaging, and sometimes writing the item off entirely. A "free returns" policy is a real line item, not a marketing nicety.

Benchmark 3: DTC gross margins

Gross margin is where you see whether the product is actually priced and sourced well.

Typical ranges (estimates, vary by segment):

Mass/value apparel: gross margins often 40% to 55%.
Premium and DTC brands: frequently target 55% to 70%.
Luxury houses: can exceed 60% to 70%, sometimes higher.

A useful shorthand professionals use is the keystone markup: pricing at roughly 2x cost (a 50% gross margin). Many brands aim well above this to survive discounting and returns.

Worked example. A jacket costs 40 USD to make (COGS) and retails at 160 USD.

> Gross margin = (160, 40) / 160 = 75%

Looks great. But if 30% of units are returned and the brand later discounts the rest by 40%, the realized margin is far lower. This is why you never trust the sticker-price margin alone. You want realized gross margin after discounts and returns.

How Zara Took Over the Fashion Industry

Watch on YouTube

Benchmark 4: Discount depth and full-price sell-through

This is the truth serum. A brand that only sells when it discounts has no real pricing power.

Two questions:

1. What percentage of sales happen at full price? Healthy premium brands protect a high full-price share. Chronic discounters live below it.

2. How deep are the markdowns? A brand routinely discounting 40% or more before goods clear is signaling it over-produced or mispriced.

The check: ask for a monthly view of average selling price versus full price. If the gap keeps widening, the brand is addicted to promotion. Once shoppers learn to wait for the sale, full price dies. This is exactly what happened to several US department-store house brands over the last decade.

For a solid free overview of how these retail metrics fit together, McKinsey's annual State of Fashion report is the standard reference and is free to read.

Benchmark 5: The unit economics sanity check

Pull it together per unit. For a DTC brand:

> Contribution per unit = Selling price, COGS, returns cost, fulfillment, variable marketing (CAC)

CAC (Customer Acquisition Cost) is what you spend on marketing to win one customer. If CAC keeps rising while average order value stays flat, the growth engine is getting more expensive to run. In slow-growth fashion, that is a serious warning.

Pair CAC with repeat rate. A brand where most revenue comes from repeat customers is far healthier than one constantly buying first-time buyers who never return.

Vérification des acquis

1. A fashion brand reports strong revenue growth, but this growth coincides with heavily increased ad spending, aggressive price cuts, and rising warehouse inventory. What does this pattern most likely indicate?

2. Why does a slow-growth sector make fast-growing brands especially important to scrutinize during due diligence?

3. A marketplace prominently advertises a very high GMV figure. Why should an analyst treat this metric with suspicion?

CHOIX MULTIPLES

4. Select ALL correct answers about the trade-offs between DTC and wholesale models.

Sélectionnez toutes les réponses correctes.

CHOIX MULTIPLES

5. Select ALL correct answers about signals that help distinguish a healthy fashion brand from one that is bleeding.

Sélectionnez toutes les réponses correctes.

Running the diligence checklist

Put it into a simple sequence you can run on any fashion brand in an afternoon.

Step 1: Get net, not gross

Insist on revenue net of returns and discounts. If someone only shows you GMV or gross sales, that is a tell.

Step 2: Check inventory health

Calculate turns. Then ask for the aging report: how much inventory is over 6 or 12 months old. Old stock will be marked down, so it is a future margin hit sitting on the balance sheet today.

Step 3: Trace the margin

Compare sticker-price gross margin to realized gross margin. A big gap means discount dependence.

The math professionals run: markups, margins and sell-through