Sooner or later many brands face the question of whether to run their Amazon business themselves or bring in an agency. The market is hard to read, the promises are large, and the quality varies enormously. Rather than handing you a ranking, this guide gives you what actually helps: the criteria, the questions and the warning signs you need to find the right partner yourself.

Do you even need an agency?

Before you start looking, work out the need. An agency typically pays off when you are short on time or specialist knowledge, when your business has reached a size where mistakes get expensive, or when you want to scale faster than you can internally. For very small or newly started businesses an agency is often still too expensive, and learning it yourself or buying advice for single questions makes more sense. An honest look at the need protects you from spending money in the wrong place.

The most important selection criteria

When you evaluate, look for substance rather than gloss:

  • Demonstrable results: real case studies with concrete numbers, ideally in your category or at your size, not just logos and promises.
  • Scope of work: does the agency cover what you need (PPC, listing, creative, account management), and does that match your actual need?
  • Transparency: clear reports, metrics you can follow, an open approach to data and access.
  • Communication: fixed contacts, reports you can understand, regular exchange.
  • Pricing model: fixed fee, a percentage of revenue or ad spend, performance based, and how that fits your own incentives.

The right questions in the meeting

A good selection meeting separates substance from sales talk. Ask specifically: who actually works on my account, not only in the pitch? What does a typical report look like? Which metrics do you measure success by? What happens if performance falls short? Who owns the account, the data and the campaigns in the end? What is the contract term and the notice period? How clear and how honest the answers are often tells you more than the answers themselves.

Warning signs

Be careful with: guaranteed revenue or ranking promises (nobody serious can give those), methods nobody will explain, pressure to sign long contracts with no way out, missing or anonymized references, and agencies that want to keep you away from your own account or your own data. Extremely low prices are a warning sign too, because good work costs money, and "too cheap" often means mass handling or risky methods.

The account and the data are yours

One decisive point that often gets overlooked: make sure in writing that your seller account, your campaigns, your creative assets and your data belong to you and that you keep full access when the contract ends. An agency should run your business, not hold it hostage. That clarity protects you if the work together comes to an end.

In short

You will not find the right Amazon agency through somebody else's ranking but through your own need and clear criteria: demonstrable results, a matching scope of work, transparency, good communication and a fair pricing model. Ask the uncomfortable questions in the meeting, watch for warning signs such as guaranteed results or missing references, and secure ownership of your account and your data. Do that and you will not pick the loudest agency but the right one, and that is the difference that decides whether the work together succeeds.

This article comes from temoa, your Amazon growth partner for the German and European marketplaces (among them Amazon DE, FR, NL, ES and IT). If you are considering handing your Amazon business to experienced hands, let us talk.