Sellers
How to Investigate an Unknown Amazon Seller
A storefront you do not recognize is a question, not a finding. A repeatable way to work out who an unknown Amazon seller is — and to record what you decided — before anyone writes to them.
Monitoring surfaces sellers. Some you recognize; some you do not. The ones you do not are unknown — a state that means only "nobody here has decided" — and the job is to move each one to a decision you can stand behind, without inferring anything the record does not support.
This is a process for doing that. It takes ten to twenty minutes per seller when the record is good, and it produces a classification with a reason, which is the thing a future notice will rely on.
Start from the record, not the storefront
Open the seller's history in your monitoring tool before opening Amazon. The record answers the questions that decide how much effort the seller deserves:
- First seen and last seen. A storefront seen once, three weeks ago, on one listing, is a different problem from one seen every day on forty.
- Products observed. One product suggests a one-off — returned stock, a closeout lot. Your whole catalog suggests a supply relationship somewhere.
- Every name it has been seen under. Storefronts rename. The alias list may show a name you do recognize.
- Prices relative to your floor. A seller consistently at or above MAP is not a pricing problem, whatever their standing turns out to be. A seller consistently below it is.
- Cases and periods. Whether there is already a confirmed finding, and whether the seller has relapsed before.
In MapProtector this is the seller page: identity, aliases, what the brand has said, what was observed. See Seller history.
Check your own list first
The most common resolution of an unknown seller is that they were always a partner. Before anything else, check the storefront's seller id — not its name — against your Authorized Network and against your distributors' own sub-distributor lists. Ask the sales team. Ask the distributor whose territory the seller appears to be in. A surprising fraction of unknown sellers are a partner's second storefront, a regional dealer nobody added, or a retailer the brand signed last quarter.
If the seller turns out to be a partner, add them to the network with their seller id and dates so the standing is explained by an entry rather than by a memory.
Look at the storefront
Then, and only then, open the storefront on Amazon. You are looking for facts, and you are writing them down.
| Look at | What it can tell you | What it cannot |
|---|---|---|
| The seller's business name and address | Who is behind the storefront, sometimes | Whether they are authorized — a familiar address is not a relationship |
| The seller id | The identity your record uses | Anything about legitimacy |
| The range of products they sell | Whether you are one line among thousands (a general retailer or liquidator) or their whole business (a specialist, possibly a partner) | Where the stock came from |
| Fulfillment | Whether Amazon or the seller ships | Whether the stock is genuine |
| Feedback volume and age | How long they have been trading and at what scale | Whether they will respond to a notice |
| Their prices on your products over time | Whether the pattern is a repricer, a clearance, or a strategy | Their intent |
Nothing in this table establishes authorization. That is not a limitation of the table; it is the point. Authorization is a relationship the brand declares, and no amount of looking at a storefront creates one.
The three honest outcomes
At the end of the investigation, one of three things is true.
They are a partner you had not recorded. Add them to the Authorized Network. The standing becomes authorized, explained by the entry. If their prices are below the floor, that is now a conversation with a partner — the most common real MAP problem — and it needs a call before it needs a notice.
They are not authorized, and you have decided so. Record the standing as unauthorized with the reason: the agreement ended on a date; there is no supply relationship; the distributor confirms they are not a customer. This is the brand's decision, made by someone with the authority to make it, and it is what a notice will rely on.
You still do not know. Leave them unknown. It is a legitimate state, and it is better than a guess. Put a note on the record with what you checked and when, and come back when there is more to see. A seller who reappears next month with more products and lower prices has answered part of the question for you.
What not to do
Do not classify from a name. "Northline Trading" is not "Northline Distribution", however similar they look, and if they are the same company the seller id will show it.
Do not classify from a price. A below-floor price says the seller is below the floor. It does not say they are unauthorized; authorized partners are below the floor more often than strangers are.
Do not classify from a claim. If a seller tells you they are an authorized reseller, that is a claim. Check it against your records. If it is right, your list was wrong and should be corrected; if it is not, the claim changes nothing. MapProtector records such a reply as claims to be an authorized seller for exactly this reason.
Do not write to them first. A notice to an unknown seller that turns out to be a partner's sub-distributor is a notice the brand has to walk back. Investigate, decide, record, and then decide what to say.
Keeping the unknown list small
Unknown sellers accumulate one scan at a time. A short weekly pass — filter the seller list to unknown, sort by products observed or by last seen, work the top of the list — keeps the category to the storefronts that genuinely appeared this week. A monitoring tool should make that pass a filter and a sort rather than a spreadsheet; in MapProtector it is the Sellers page filtered by standing, and the observed sellers to decide about list on the Authorized Network page. See Unknown sellers.
The Seller Investigation Framework turns this article into a worksheet: the questions to answer, in order, and the three outcomes with the record each one needs.