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19 April 2026 · Issue 05
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~7 min read
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A POLYMATH publication
THE DEBRIEF.
Consumer brand intelligence, every Sunday.
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Three things happened in eight days and the story isn't any of them on their own. TikTok Shop UK passed £1B annual run rate. John Lewis launched a third-party seller programme. Amazon raised UK FBA fulfilment fees by 6%. Together they say one thing: distribution stopped being a noun and became an interface. If you're not on at least three of these surfaces, your distribution model is a 2022 model.
The unlock here isn't channel volume. It's volatility absorption. A brand that does 92% of its revenue on Amazon UK is one fee change away from a margin event. A brand that's split 60/25/15 across Amazon, Ocado and TikTok Shop loses 4 points of contribution margin and gains 71% lower volatility. That trade is the trade most consumer brands are about to need to make.
What I keep saying to clients this fortnight: owned distribution is a portfolio question now, not a single decision. The brands that look most established next year will be the ones that quietly diversified this year. Scroll down.
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Lucy x
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On your radar
The Headlines.
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dtc |
TikTok Shop UK Q1 report shows £1.04B 2026 run rate; beauty 38% of GMV. The platform's UK GMV grew 4.2x in 18 months. The growth is concentrating in beauty (38%), home (19%) and small electricals (14%). Outside those three, it's flat. Marketing Week → |
retail |
John Lewis Marketplace launches with 47 partner brands. Commission is 12-15%, lower than Amazon's 17%, and the partners get curated placement on the JL home pages. The catch: stock has to ship from a JL-approved 3PL, which adds 3-5 points to fulfilment cost. Retail Week → |
Sephora UK opens its app to third-party prestige brands not stocked physically. The app becomes a marketplace; the stores stay curated. The split is the news; it's the cleanest example so far of treating digital and physical as different distribution products. Drapers → |
food and beverage |
Ocado Smart Platform adds 14 niche premium brands without warehouse listings. Drop-ship model. Brands hold inventory; Ocado handles last-mile. Listing cost is roughly £25k of integration work. The sweet spot is high-AOV, low-volume brands that can't justify a full warehouse listing. The Grocer → |
dtc |
Amazon raises UK FBA fees 6%, adds storage utilisation surcharge on long-tail SKUs. The combined effect on a typical UK beauty brand is 4-7 points of margin, depending on SKU mix. The surcharge starts to bite Q3, which is why most brands won't notice until peak. Tamebay → |
capital |
Whatnot closes $250M Series E at a $5B valuation. Live shopping at scale, mostly US for now. Galloway's note this week called it ‘the most undervalued channel for premium consumer in 2026’. The UK version is the watch. TechCrunch → |
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Behind the curtain
The Strategy.
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How to read Amazon's BSR data when planning your DTC channel
Best Sellers Rank is the cheapest market research in consumer.
Most brands ignore Amazon BSR data because they don't sell on Amazon. That's a mistake. BSR is the closest thing UK consumer has to a public sell-through index. A category's top 10 BSR positions tell you where price elasticity sits, which packaging cues are converting and what review volume looks like at scale. None of that is available anywhere else for free.
The most useful read isn't the position. It's the velocity. A product moving from BSR 800 to 200 in four weeks is a category event. A product staying at 50 for six months is a structural winner. The pattern is the signal, not the snapshot.
The Numbers.
Channel split 60 / 25 / 15 Amazon / Ocado / TikTok Shop, the diversified posture for 2026. | Margin trade -4 pts Contribution margin lost vs single-channel. | Volatility -71% Variance in monthly revenue across channels. | Concentration risk >50% rule If one channel is more than half your revenue, your next 90 days is about a second one. |
* Modelled across 14 anonymised UK consumer brands; channel mix and margin impact varies by category.
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What you give up in margin you get back in resilience. The single biggest risk on most consumer P&Ls right now is concentration. Amazon, TikTok Shop, John Lewis Marketplace and Ocado are not interchangeable, but they're complementary. Pick three.
Distribution stopped being a noun in 2026. The brands that get this become the ones every retailer wants to talk to. The brands that don't, get told their model is a 2022 model. Polymath research →
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Key insight
The Take.
Owned distribution is a portfolio question now, not a single decision. The brands that look most established next year will be the ones that quietly diversified this year.
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Inside the work
The Practice.
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From my desk
A drinks brand client this fortnight was 92% Amazon UK. We modelled 60/25/15 across Amazon, Ocado and TikTok Shop. Contribution margin per pound dropped 4 points; monthly revenue volatility dropped 71%. The conversation that mattered: 4 points of margin is what risk insurance should cost.
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For your business
The single biggest risk on your P&L is concentration. If one channel is more than 50% of revenue, your next 90 days should be about a second one. Don't try to replace your primary channel. Build a second one to 15-20% of revenue and your business gets de-risked without losing what works.
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In conversation with
The Founder.
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Pippa Murray · Pip & Nut
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Pippa Murray, Pip & Nut.
From a market stall to listings across Tesco, Sainsbury's, Boots, Selfridges, Pret and now Ocado Smart Platform's drop-ship programme. We talked about the channel decisions that aged well, the ones that didn't and the math behind treating Amazon as a third channel rather than a defensive one.
Pippa is unusually disciplined about channel mix. Most founders chase the latest platform; she made a rule that no single channel could exceed 35% of revenue, written on her office wall in 2021. The rule held during the 2024 retail wobble.
What she said about TikTok Shop being a margin channel, not a volume one, is the angle most brands miss when they pilot it. Read the full feature on LinkedIn →
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That's the week. Hit reply with the channel concentration number you don't want to look at.
Lucy x
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01
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02
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Growth partner for consumer brands
POLYMATH
The commercial intelligence behind your brand.
Business · Management · Consulting
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You built the brand. Now build the business behind it.
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