EU Marketplace Regulation for aggregator and portfolio sellers

When a suspension lands across several Amazon ES storefronts at once, the damage compounds fast. Inventory sits in Spanish and German fulfillment centers. Disbursements stop. The brands in the portfolio go dark on a marketplace that may represent a significant share of total European revenue. For aggregators and portfolio sellers, a single enforcement action by Amazon – or a coordinated action triggered by an EU regulatory instrument – can threaten the commercial logic of the entire acquisition thesis.

TL;DREU marketplace regulation gives sellers on Amazon ES – and across Amazon's European surfaces – enforceable rights they can use when Amazon restricts, suspends, or delists their account or listings. The Digital Services Act (DSA), the Platform-to-Business (P2B) Regulation, and the Digital Markets Act (DMA) create procedural obligations Amazon must meet: a statement of reasons before any restriction, an internal complaint-handling system sellers can invoke, and, in certain cases, access to out-of-court dispute resolution. Aggregators and portfolio sellers face a structurally more complex version of that process because the accounts, brands, and legal entities involved may differ across a single portfolio.

This page explains what EU marketplace regulation actually is on Amazon ES, how the procedural path works for multi-brand and multi-entity operations, and where aggregators need specialist help rather than a single-seller DIY approach. We cover the key decision points, the realistic timelines, how our fees work, and a short self-assessment at the end.

What EU marketplace regulation actually is on Amazon ES

EU marketplace regulation is a cluster of legally binding instruments that govern how very large online platforms – Amazon qualifies as a Very Large Online Platform (VLOP) under the DSA, and as a gatekeeper under the DMA – must treat the business sellers who use them.

The P2B Regulation came first. It requires Amazon to give sellers advance notice before restricting or suspending their account, to provide a statement of reasons explaining the decision, and to maintain an internal complaint-handling system. Those obligations were already in force before the DSA. The DSA added a further layer: users who are affected by Amazon's content-moderation or restriction decisions have a right to a statement of reasons under Article 17, and a right to use an internal redress mechanism under Article 20. For sellers on Amazon ES, these rights exist in addition to whatever contractual appeal rights appear in the Amazon Business Solutions Agreement (BSA).

The DMA imposes separate obligations on Amazon as a gatekeeper. Most DMA obligations are structural – they concern how Amazon must make its platform available to third-party sellers relative to its own retail operations. In practice, DMA arguments appear most often when an aggregator has evidence that Amazon is applying different standards to third-party brands than to its own private-label products, or where interoperability or data access is at issue.

For aggregators, the practical significance is this: when Amazon acts against one entity in the portfolio, the regulatory instruments create a documented, contestable record. Amazon must say why. It must accept a complaint. It must tell you which body provides out-of-court dispute resolution. That is leverage a seller did not have before these instruments existed. In matters we handle, the statement of reasons is almost always the first document we review – it sets the scope of what can be challenged and on what basis.

To understand the full architecture of seller rights under these instruments, see our complete guide to EU marketplace regulation for sellers, which maps each instrument to the situations where it applies.

Why portfolio sellers face a more complex version of this problem

A single-brand seller dealing with an Amazon ES suspension has one account, one legal entity, and one set of listings to defend. An aggregator typically has the opposite: multiple seller accounts held by different operating entities, brands acquired from different founders, ASINs that carry the IP history of multiple prior owners, and account-health profiles that may differ significantly across the portfolio.

That complexity creates specific vulnerabilities. Amazon's related-accounts policy can cause a policy action against one account to ripple to another if the accounts share an IP address, a payment method, a device fingerprint, or a contact person. For aggregators that manage multiple storefronts from a central operations team, the risk of a linked-account suspension is structurally elevated. A suspension on Amazon ES that looks like a single incident can, in practice, be a multi-account event within days.

There is also an IP layer. Portfolio sellers own brands acquired from founders. Those founders may have had pre-existing IP disputes, complaint histories, or Brand Registry configurations that were never fully resolved before the acquisition closed. When Amazon acts on a rights-owner complaint tied to one of those brands, the aggregator is defending a position it may not have full visibility into – and the clock on the appeal is already running.

Finally, the P2B and DSA complaint mechanisms are designed for a single business relationship. When the structure involves multiple legal entities – a Dutch holding company, Spanish operating entities, perhaps a UK brand vehicle – working out which entity has standing to invoke which right, under which governing law, requires analysis before the first complaint is filed. Getting that wrong at the outset can cost weeks.

In matters we handle for portfolio sellers, our first task is always to map the account structure and identify exactly which entities, accounts, and rights are at issue before drafting anything.

How does the EU regulatory complaint process actually work on Amazon ES?

The procedural path has three stages, and the first stage – getting Amazon's statement of reasons – is both the foundation and the most frequently mishandled step.

Stage one: statement of reasons. Under the P2B Regulation and the DSA, Amazon must provide a statement of reasons when it restricts, suspends, or terminates a seller's account or removes a listing. On Amazon ES, that means Amazon should explain which rule or policy the seller is alleged to have violated and the basis for that finding. In our experience, the statement of reasons that Amazon issues is often general. It names a policy category rather than the specific act or omission. The first task is to press for specificity, because you cannot write a credible response to a reason you do not understand.

Stage two: internal complaint. The P2B and DSA complaint-handling systems are formal channels. A complaint submitted through Amazon's internal process creates a documented record. It also starts a clock: Amazon must handle the complaint within a reasonable period and respond to it. For aggregators, the complaint is typically paired with – or preceded by – a Plan of Action (POA) that addresses root cause, corrective actions, and preventive measures. The POA and the regulatory complaint serve different functions: the POA is the operational response; the complaint is the rights-based challenge to the procedure Amazon used.

Stage three: out-of-court dispute resolution or, where appropriate, arbitration. If the internal process does not resolve the matter, the DSA requires Amazon to make out-of-court dispute resolution bodies available. Separately, the BSA dispute-resolution mechanism – the path depends on the version of the BSA that applies to the account, which we check first – may provide access to arbitration or a Notice of Dispute process via the American Arbitration Association (AAA). For aggregators, the question of which body to engage, and in which sequence, depends on the nature of the dispute and where the relevant account relationships are based.

We walk through a concrete example of how this process ran to resolution in our case study on resolving an EU marketplace account suspension, which shows the sequence in detail.

What mistakes do aggregators make when handling this alone?

The most costly mistake is treating an EU marketplace suspension like a standard Amazon US reinstatement. The US process is primarily a negotiation with Seller Performance via a Plan of Action. The EU process adds a regulatory layer that creates both additional rights and additional procedural obligations – and ignoring that layer means leaving the best tools unused.

The second common error is filing the internal complaint before the statement of reasons is specific enough to respond to meaningfully. A complaint that tracks a vague, general reason will be as vague in response. The result is a cycle of non-committal replies and a case that drifts rather than resolves.

Third – and specific to aggregators – is failing to coordinate responses across entities. If Amazon has acted against more than one account in the portfolio and different team members file separate responses on different timelines, the submissions can contradict each other, or Amazon can use the inconsistency to widen the enforcement action.

Fourth is misidentifying the root cause. In matters we handle involving acquired brands, the actual reason for the suspension is often something in the pre-acquisition history: a prior IP dispute, a complaint retraction that was never formalized, or a Brand Registry configuration from the original founder that conflicts with the current ownership structure. The POA addresses a surface symptom; the underlying issue stays live and the account is suspended again within weeks.

Fifth is using the DMA or P2B as rhetorical flourish rather than as a procedural tool. Citing EU regulation in a POA without actually invoking the formal complaint mechanisms achieves little. Amazon's Seller Performance team is not the right addressee for a DMA argument. The regulatory instruments work when they are used through the correct channels in the correct order.

What we do for aggregator and portfolio sellers

Our work on an EU marketplace matter for an aggregator begins with a structured review. We map the account architecture, identify the entities and brands in scope, review every notice and statement of reasons Amazon has issued, and check the version of the BSA that governs each account relationship. That review takes a defined period and produces a clear picture of what is at issue, what rights are available, and what the realistic procedural path looks like.

On reinstatement and suspension matters, we review the deactivation notice, reconstruct the account timeline, and draft a root-cause Plan of Action that addresses the actual reason – not the assumed one. Where the statement of reasons is insufficient under the DSA or P2B Regulation, we build the statement-of-reasons case and internal-complaint case, and use the DSA/P2B/DMA levers that apply. We coordinate that work across all affected entities to avoid inconsistency.

On IP matters – which arise frequently in acquired portfolios – we assess the complaint, gather prior-use and authorization evidence, and push for retraction or counter-notice. Where the Brand Registry configuration is the root problem, we work through the steps to realign it with the current ownership structure.

Where Amazon's internal process has failed or stalled, we send a Notice of Dispute, prepare a pre-arbitration demand, and run arbitration if it is the right tool. For EU-based entities, we use the out-of-court dispute resolution channels that the DSA requires Amazon to make available, alongside or as an alternative to the BSA arbitration path.

A mid-sized Spanish e-commerce aggregator (spring 2026, Amazon ES and Amazon DE) came to us after a coordinated suspension affecting three accounts across two legal entities, triggered by a related-accounts flag following a staff change in their central operations team. We mapped the account relationships, documented the legitimate operational overlap, and filed coordinated submissions across both entities. The accounts were restored and the related-account flag cleared.

A UK-based portfolio seller (winter 2025, Amazon ES) approached us after a rights-owner complaint targeting an acquired brand generated a wave of ASIN removals and an Account Health deterioration that was heading toward a suspension. We reviewed the acquisition IP trail, identified a prior complaint retraction that had not been formally processed in Brand Registry, pressed for retraction, and filed a counter-notice on the ASINs. The listings were reinstated and the Account Health rating recovered.

For sellers who want to understand how changes to the DSA's statement-of-reasons obligations affect the appeal process in detail, our analysis of statement-of-reasons requirements under the DSA covers what changed and what to do.

The steps above describe the standard path. Your situation turns on the exact wording of the notices, the account structure across your portfolio, and the timeline of each action – which is what we review first. To arrange that review, email info@tutamenlaw.com.

What are the realistic timelines and what changes them?

Timeline depends heavily on three variables: the nature of the action, the complexity of the account structure, and whether the root cause is identifiable from the available documentation.

A single-account suspension on Amazon ES where the root cause is clear and the statement of reasons is specific enough to respond to can resolve, in favorable circumstances, within several weeks of a well-constructed response. Multi-account suspensions involving coordinated submissions across entities take longer – often several weeks to a few months – because the coordination requirement adds preparation time and Amazon's review process is not always synchronized across account teams.

IP matters with a clear prior-use record can move to retraction or counter-notice within a defined period. Matters where the prior IP history is complicated – unresolved prior complaints, contested Brand Registry ownership, overlapping trademark registrations from different acquisition targets – take longer because the evidential work takes longer.

The regulatory complaint process adds a formal procedural layer. Amazon's internal complaint-handling system operates on its own timeline, and escalation to out-of-court dispute resolution or arbitration extends the overall timeframe materially. The P2B and DSA processes are not designed for speed; they are designed for documented accountability. The practical trade-off is that a regulatory complaint builds a record that can be used if the internal process fails – which is valuable, but not fast.

The single factor that most consistently extends timelines in portfolio matters is an unidentified root cause. A suspension that comes back because the actual cause was never addressed can reset the clock entirely, adding months and compounding the commercial damage. Getting the root cause right in the first response is worth the time it takes.

How do fees work for EU marketplace matters?

Tutamen quotes fees up front after a short initial review. We do not ask an aggregator to commit to a significant engagement before we have looked at the account structure and formed a view of what the matter involves.

For EU marketplace regulatory matters, the model is a fixed scoping fee to start. That covers the initial review, the account-structure map, and the strategic assessment. Once the scope is clear, the work on the substantive matter – the Plan of Action drafting, the regulatory complaint filings, the coordination across entities, and any out-of-court or arbitration work – is quoted on a fixed-fee or capped basis.

For aggregators managing multiple brands and entities, the engagement is structured to reflect the actual scope of the portfolio matter rather than billing per account as if each were independent. Where matters overlap – for example, a related-account suspension that implicates three accounts simultaneously – the work is coordinated and priced accordingly.

We do not bill by the hour for core matter work. The reason is practical: aggregators need to model the cost of a dispute resolution process against the revenue at risk. An open-ended hourly retainer makes that modeling impossible. Fixed or capped fees quoted up front make it straightforward.

Should your operation handle this internally or bring in a specialist?

Some EU marketplace compliance work belongs in-house. Routine GPSR documentation, EPR registration, and standard product-safety record-keeping are operational tasks that an experienced account manager or compliance team can own with appropriate internal processes. That is not what this page is about.

The question at the bofu stage is narrower: when Amazon has already acted – suspended an account, removed listings, issued a notice that the account is under review – and the action involves EU regulatory instruments, is in-house handling adequate?

The myth worth addressing directly: EU sellers do not have no leverage once a platform suspends them. The DSA and P2B Regulation changed that. The question is not whether leverage exists but whether you know how to use it procedurally. The internal complaint mechanism, the statement-of-reasons challenge, the out-of-court dispute resolution path, and the BSA arbitration track all require precise, sequenced execution. Done poorly, they produce a documented record that works against the seller. Done well, they produce a record that supports reinstatement or a negotiated resolution.

For aggregators specifically, the coordination requirement across entities makes specialist input materially more valuable than it is for a single-account seller. The cost of a mis-coordinated filing that causes Amazon to link accounts that were not previously linked – or that produces inconsistent positions on a related-account question – is hard to recover from.

The self-assessment is straightforward: if you are dealing with a suspension or enforcement action that involves more than one account, more than one legal entity, or a brand whose IP history predates your acquisition, the matter is complex enough to warrant a review before you file anything.

If a first appeal or filing has already come back rejected – or if Amazon has not responded to an internal complaint within a reasonable time – email info@tutamenlaw.com for a second read. We can identify the specific reason it failed and what is still open.

Related areas

• EU Marketplace Regulation – full practice hub covering DSA, DMA, P2B and GPSR seller rights
• Account Reinstatement – Plan of Action drafting and appeal strategy for Amazon suspensions
• IP and Brand Registry – complaint retraction, counter-notice, and Brand Registry disputes

Frequently asked questions

How long does resolving eu marketplace regulation usually take on Amazon ES?

Resolution timelines vary with the nature and complexity of the action. A single-account matter with a clear root cause and a specific statement of reasons can move through the internal appeal process within several weeks. Multi-account matters involving coordinated submissions across legal entities typically take longer – often several weeks to a few months. Where a regulatory complaint through the DSA or P2B internal complaint system is required, or where arbitration becomes the next step, the overall timeline extends further. The single most reliable way to compress the timeline is identifying the actual root cause before filing anything.

What are the main risks if I handle eu marketplace regulation alone?

The primary risk is misidentifying the root cause and filing a response that addresses a surface symptom. This produces a rejection and, in some cases, a deterioration of the account-health position. For aggregators, a second serious risk is filing uncoordinated submissions across entities that create apparent inconsistencies Amazon can use to widen the action. A third risk is failing to use the formal regulatory complaint channels – DSA and P2B – which exist independently of the standard POA process and provide rights that the POA alone does not invoke.

Do I need a lawyer for eu marketplace regulation?

Not every EU marketplace compliance task requires a lawyer. Routine documentation and EPR registration do not. When Amazon has already acted – suspended an account, removed listings, or issued a formal notice – and the matter involves EU regulatory instruments or a multi-entity structure, attorney-led handling materially improves the outcome. The DSA and P2B complaint mechanisms are formal legal channels; the BSA arbitration track is a legal proceeding. The procedural choices made in the early stages shape what is possible later. For aggregators with portfolio-level exposure, the cost of a specialist review is usually modest relative to the revenue at risk.

About Tutamen

Tutamen is an independent law firm for online marketplace sellers. We represent Amazon, Walmart, Etsy and eBay sellers in account deactivations, frozen-funds recovery, intellectual-property disputes, arbitration and Notices of Dispute, and US federal Schedule A defense, plus EU marketplace regulation. Our work is attorney-led and confidential, with fees quoted up front. We act for founders, brand owners and in-house teams who need a specialist for a marketplace dispute. Our practice on EU marketplace matters covers the DSA, DMA, P2B Regulation, GPSR, and EPR obligations across Amazon's European surfaces, including Amazon ES. To discuss your situation, email info@tutamenlaw.com.

Disclaimer: This article is general information, not legal advice, and does not create an attorney-client relationship. Marketplace policies and the law change, and every account and case is different. For advice on your situation, contact Tutamen at info@tutamenlaw.com.

Author: Priya Raman – IP & Brand Registry analyst, Tutamen. Published February 8, 2027.