Amazon Vendor · European brands

Take back control of your Amazon account.

Senior operators on both sides of the table: brand-side, and inside Amazon. We find what's leaking, fix it, and show you the work. No number we can't stand behind.

Amazon Vendor · Amazon Seller · European marketplaces

Audit extract · Vendor 1P 12 months · 5 markets

Where the money goes

Deductions taken at sourcechargebacks and shortages, never disputed−€61,240
Invoiced against receivedpast the dispute window−€37,880
Ordering suspended after rejection27 ASINs, buying stopped−€23,410
Gap identified · 12 months €122,530

Where we start

01Dispute the deductions€61k
02Rework the receiving gaps€38k
03Fix the acknowledgement codes€23k

Sample. The real one runs on your exports.

Brands we've worked with

TrustTP-LinkHikvisionCôte & BricoMad CatzTritton TrustTP-LinkHikvisionCôte & BricoMad CatzTritton

The problem

The decisions that cost you most get made without you.

Four examples, among the most common. The list isn't closed, and the order changes with every account.

Amazon doesn't handle every supplier the same way. Above a certain volume there is a buyer, shared across a lot of brands and often across the whole of Europe. Below it there is no buyer, just a form. Either way, your German, Italian and Spanish accounts each run their own life, and nobody reads them together.

01

“Money comes off our invoices and we've never been shown why.”

Amazon deducts first, then gives you thirty days to prove it was wrong. Document by document, market by market.

What does that add up to across your last twelve months, all countries together? If the number doesn't come straight away, that's already an answer.

logistics penaltieschargebacksshortage claims
02

“What they pay us doesn't match what we invoiced.”

Amazon settles the invoice, then raises a negative one for the gap found at receiving. The hole turns up in cash later, sometimes after the dispute window has closed.

Who on your side reconciles the order, the shipment, the invoice and the remittance?

deductionsreconciliationworking capital
03

“Overnight, nothing. The product was selling.”

Amazon expects an acknowledgement within twenty-four hours, and any line left out is rejected by default. The code your order desk sends back feeds the buying decision: a sustained unavailability code suspends ordering on the item.

Over the last six months, how many orders did you turn down, and with which code?

PO acknowledgementconfirmation ratesuspended ASIN
04

“We pay percentages every month for services we've never seen.”

Marketing allowances, programme fees, damage allowance. Terms get negotiated once and deducted twelve times, across five markets.

On how many lines can you say what they actually pay for?

annual termsaccrualsallowances

We answer those four on your exports, not on a study. Fifteen minutes.

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The method

No verdict in fifteen minutes.

You can't judge an account from the outside. We get the data first, then come back with what it says: findings, not a pitch. Everything before the engagement is free.

Start with the teardown

It's free because we'd rather show the work than sell you on it. An audit that turns up nothing goes nowhere, which filters our pipeline as much as yours.

01

Free teardown

Fifteen minutes on your public Amazon presence. Two or three concrete findings, on screen. We show you rather than tell you.

02

R1 — questions & data

The questions that matter, and an agreement on what you share. Your data stays yours, with an NDA before anything moves if you want one. No data, no diagnosis.

03

Analysis

We go through the numbers ourselves: where revenue is leaking, what each leak costs, and the order to fix them in.

04

R2 — findings & proposal

We hand back everything we found. It's yours either way. If you want us on the fixes, that's where we scope it.

The scope

1P, 3P, or both.

Vendor Central is where we're strongest, and where real expertise is hardest to find. But no account lives in isolation — we run 1P and 3P with the same rigor.

Amazon Vendor Central
Core

Amazon Vendor · 1P

You sell to Amazon and Amazon resells. Deductions, availability, the annual negotiation, ranking. This is where the biggest leaks sit, and where we are most useful.

shortage claimschargebacksAVN / JBPCRaPBorn to RunVendor Analytics
Also

Amazon Seller · 3P

You sell direct. Buy box, advertising, catalogue, net margin per item. Run on its own, or alongside a Vendor account.

buy boxFBAACOS / TACOScatalogue

Amazon, Amazon Vendor Central and Amazon Seller Central are trademarks of Amazon.com, Inc. or its affiliates. Kaizen Growth is an independent consulting practice, not affiliated with or endorsed by Amazon.

We can run the same read on your account.

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The operators

Mahrez, and the team behind him.

Mahrez, Kaizen Growth founder

Founder — brand side

Mahrez

Twenty years in e-commerce, fifteen of them on Amazon: Seller and Vendor Central, FBA, Ads. Operating since 2011, not theorising about it. He has run the channel for established brands from the inside, answerable for the same numbers he now audits.

The rest of the team — Amazon side

A senior team

Alongside him, senior operators who spent years inside Amazon, on international brands across several categories. They know first-hand how Vendor decisions actually get made, what an AVN or a JBP can really move, and where an account quietly stalls. No juniors, nothing subcontracted: every account stays with people who have run one before.

Fifteen years operating on Amazon between us, and a seat on both sides of the table.

The fit

We say no more often than we say yes.

You can't judge an Amazon account from the outside. It takes history, exports, and someone on your side who can make the call. Here's what we look at before we start.

Model
Vendor 1P, alone or alongside Seller
Markets
Amazon's European stores, read together
01

A 1P account that's been running for years

It produces data every day. Nobody has the time to read it. That's where we find the most.

02

A retail brand arriving on Amazon

Physical distribution is already there. The Amazon channel gets built, not improvised between other jobs.

03

An opening into new European markets

The model works in one country. Copying it across doesn't: neither the competition nor the seasonality follows.

04

A 1P account that's slipping

Volumes down, items going quiet, terms tightening. Here the clock matters more than anything.

This isn't for you if

  • You're starting out on Amazon. No history, no diagnosis. There is nothing to read on a blank page.
  • You want advertising and nothing else. We look at what happens before the sale first. The problem is rarely in the ads.
  • You can't get your data out. Without exports there are only opinions, and ours are worth no more than yours.
  • Nobody on your side can make the call. What we find cuts across supply chain, finance and commercial at once.

If your account doesn't fit, we say so at the teardown, not three meetings in. And we never promise to talk to an Amazon contact who doesn't exist.

Going further

Three ways to work together.

The audit commits you to nothing. If the findings warrant it, we carry on at whatever intensity the account needs, on Vendor, Seller, or both.

One-off intervention

Targeted

An expert day, or a deep dive on one specific issue, when a single fix is enough to move the number.

Monthly retainer

Continuous

We stay on the account month to month: optimization, watching the penalties, and steering the negotiation.

Full management

Delegated

We run the account end to end, scoped to fit. You get your time back; we keep our hands on the numbers.

Senior operators on every account, nothing offshored. Scope and budget are set at R2, once the findings are in.

Common questions

What people ask us most.

What makes you different from other Amazon agencies?
Two things. Mahrez worked brand-side; the rest of the team worked inside Amazon. Having both reads in the room is rare, and it's exactly where most Vendor blind spots sit. Beyond that, we stay small and senior, with nothing subcontracted: the person you talk to is the person working on your account.
Do you talk to our Vendor Manager?
Only if there is one. For part of this segment Amazon no longer assigns a dedicated buyer: requests go through a form and decisions are made by systems. An agency promising to call your Vendor Manager is sometimes promising something that doesn't exist. We check whether you have one first, then adapt. With no counterpart, the lever stops being the relationship and becomes your data and your contract.
Do you work on Vendor (1P) or Seller (3P)?
Both, to the same standard. Vendor Central is where we're strongest, and where the expertise is hardest to find. Seller Central runs on its own, or alongside a Vendor account.
What exactly is a "teardown"?
Fifteen minutes going through your public Amazon presence: listings, positioning, the signals anyone can read from outside. We show you two or three concrete findings on screen. Nothing to prepare, no access to hand over, and it commits you to nothing.
Why is the audit free?
Because we'd rather show how we work than describe it. An audit that turns up nothing goes nowhere, which filters our pipeline as much as yours and saves everyone the time.
How long before we see results?
It depends entirely on what the audit turns up. Some fixes show within weeks: disputing chargebacks, closing avoidable stockouts. Others, like organic ranking, play out over months. You get a realistic timeframe at R2, once the findings are in, never before.
Which European markets do you cover?
All European Amazon marketplaces. Each country has its own dynamics, from competition to seasonality to buying behavior, and a strategy that works in one market doesn't transfer mechanically to the next.

Another question? Write to us or see the full FAQ.

Start

Fifteen minutes is enough to start.

The teardown costs nothing and commits you to nothing. We look at your public Amazon presence and show you what we see.

Book an audit