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SellerKey
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Amazon shows you sales.
We show your net profitmargin per SKUAds ROIhidden fees

SellerKey connects to your account and computes your real net profit —after every fee, ad and cost— by country, by product and by day. No spreadsheets, no estimates.

Calculate my profit free See how it works

Free plan, forever · no card needed

€38,343
net profit / month
21%
average real margin
11
countries in one panel
app.sellerkey.co

My Business

Financial overview of your account

Amazon EUEUR
OverviewData as of Sep 10Region/Countries 11
Sales
30 DAYS
vs Jul 12 – Aug 10
REVENUE ↑ +13.8%
€182,588
vs €160,456 · Jul 12 – Aug 10
UNITS ↑ +14.1%
4,735
ORDERS ↑ +13.0%
4,448
✓
CFO · YOUR BEST RECENT PERIOD

Revenue €182,588 (+13.8%) against €160,456 in the compared period.

Sales by market
30 DAYS
🇫🇷 France ↓ 13.0%
€69,417
1,813 units · 38.0% of total
🇩🇪 Germany ↑ 13.0%
€33,368
778 units · 18.3% of total
🇬🇧 United Kingdom ↑ 89.8%
€29,214
742 units · 16.0% of total
🇪🇸 Spain ↑ 31.8%
€23,736
651 units · 13.0% of total

The era of real margin

For years, Amazon success was measured in revenue. That era is over.

With rising fees, ever-pricier Ads and returns eroding margin, billing a lot no longer means earning. The seller who survives isn't the one who sells most — it's the one who knows, to the cent, how much is left.

SellerKey exists for exactly that: turning the chaos of reports, settlements and campaigns into a single truth you can read at a glance and act on today.

Your profit operating system

One platform, three principles
we don't compromise on.

SellerKey today; AdBoard, StockBoard and CatalogBoard on the way. All built on the same foundation.

Precise

The number Amazon pays

Data straight from your account, not averaged percentages. The profit on screen matches your settlement, to the cent.

Honest

Losses show up in red

If a product loses money, we say so without euphemisms. Read-only access: we don't touch your account — Amazon enforces it.

Automatic

Updates itself, every day

Connect once and you're done. Sales, fees, Ads and returns flow in on their own. Alerts when something starts losing margin.

How it works

One platform. One flow.
The full cycle of your profit.

Connect, understand and act on the same foundation. Watch each part of the panel in action as you go.

01 Connect

Your Amazon account, ready in 30 seconds

You sign in, approve read-only access, and you're done. No wizards, no checklists, no integration teams.

  • All your marketplaces, consolidated in euros
  • Imports up to two years of history
  • Read-only: we can't change anything in your account
read only
N
Connect account
Northwind · Amazon
read only
🇪🇸Amazon SpainConnected
🇩🇪Amazon GermanyConnected
🇫🇷Amazon FranceConnected
🇮🇹Amazon ItalyConnected
🇬🇧Amazon United KingdomSyncing…Connected
4 of 5 marketplaces · 24 months of history imported
02 Understand

Your profit, down to the last cent

We show the full waterfall: from sales we subtract fees, Ads, product cost and returns. What's left is your real profit — by country, by product and by day.

  • P&L waterfall per SKU, with every fee itemized
  • Margin, ROI and ACOS computed automatically
  • Export to Excel whenever you need
Understand
Catalog · Profit
66 products · Amazon · ES
7D30D90D
Sales
€17,587
557 units · 30 days
Profit
€3,479
20% margin
Aged inv.
19%
167 units
Where does each euro of sales go?
Gross sales€17,587
− Commissions−€3,440
− Advertising−€4,20724% of sales
− Product cost−€6,461
Net profit€3,479
03 Act

Before the margin slips away

SellerKey watches your numbers and warns you: a SKU starting to lose, stock running out, an unclaimed refund. You decide; we give you the context and the suggested action.

  • Alerts for products losing money
  • Stock-out and aged-inventory surcharge warnings
  • Refunds detected and ready to claim
your CFO
SellerKey CFO
Suggested moves · by impact
73
You're leaving ~€1,340/mo on the table.
Stop the loss · VOLT-CABLE-3PK
Ads (€1,400) exceed gross margin: it loses on every sale. Pause the automatic campaign.
+€80/moSuggested: pause ads
Sell below cost · NORD-LAMP-WD
Negative net with 225 days of stock. An outlet recovers cash and avoids surcharges.
+€120/moSuggested: Outlet deal
Cut ACOS · VOLT-CHRG-65
13% margin against 28% ACOS. Lower bids by 20% and keep ~85% of sales.
+€210/moSuggested: lower bids
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We ship every week

The product you use today
is better than last week's.

We listen to sellers and ship improvements constantly. Here's the latest.

OCT 02

Profit waterfall per SKU

Full breakdown of every fee, Ad and cost, product by product.

SellerKey
SEP 25

Automatic refund detection

We flag lost and damaged units Amazon may owe you, so you can file the claim.

Refunds
SEP 18

Losing-SKU alerts

We warn you the moment a product starts losing margin.

Alerts
SEP 8

Ads with TACOS per marketplace

Spend, attributed sales and TACOS per campaign and SKU, next to your real profit.

Ads

Built by people who live on margin

Not just another tool.
It's the one we wished we had.

2024

Born from frustration

A group of sellers tired of not knowing, each month, how much they truly earned.

2025

SellerKey, in production

Real net profit on one screen.

2026

The profit operating system

AdBoard, StockBoard and CatalogBoard: a complete suite around your margin.

Find out what last month
really paid you.

Connect your account in 30 seconds and see your real net profit. Free plan, no card needed.

Calculate my profit free See a demo

Free plan, forever · no card needed · cancel paid plans any time