Most sellers shopping for an Amazon agency ask which one is the best. That is the wrong question. There is no best agency, only a team whose capacity, method, and incentives fit the problem you have in front of you.
The right question is narrower, and it is checkable. Who touches my account, how many other brands does that person carry, and what would make them tell me to stop spending. I sat on the buying side of this at two Amazon aggregators before I ran an agency of my own, and those three answers predicted the outcome better than any pitch deck did.
The numbers behind this guide
| Claim | Figure | Captured |
|---|---|---|
| Brands each of our operators carries | About 1.4, from 50 operators and about 70 brands | 2026-09-04 |
| Data points behind a launch decision | 90 or more | 2026-08-28 |
| Notice period on our own agreement | 30 days, month to month, no minimum term | Standing term, SPEC §4 |
| Free account audit turnaround | A written report with prioritized fixes in 48 hours | Standing term, SPEC §4 |
| Managed pricing, every service included | $800 a month for one product to $2,400 for five | Standing term, SPEC §4 |
| Brands launched all-time | 500+ | 2026-08-31 |
Every figure above is ours, and every one is a question you can put to anyone on your list.
What to ask before you sign anything
Start with caseload, because it constrains everything downstream of it. Fifty operators run about 70 brands here, which comes out at about 1.4 brands each as of 4 September 2026. That is not a boast, it is a unit of measurement. Put the same question to a candidate, and if the answer is eight or twelve, you have learned that your account gets attention in a queue instead of on a schedule.
Then ask what they study before they quote. Our research runs 90 or more data points ahead of any capital commitment, among them market size, growth trajectory, return rate, and the rating gap. A firm that names a monthly fee before it has sized your market is pricing hours. Ask for the sizing first and the number second.
The third question is the one that makes a weak candidate uncomfortable. Ask what would make them recommend that you stop spending on a product. An operator answers with figures attached: rating trend, return rate, conversion rate, and cost of customer acquisition (CAC) trajectory across a defined window. A firm with no stop condition earns more every month a dying product stays alive.
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The contract terms that decide what leaving costs
Negotiate the exit before you negotiate the price. Our agreement is month to month with 30 days' notice, no minimum term, and no automatic renewal into a fresh year, as captured on 26 August 2026. That is not generosity. A firm that has to trap clients in order to keep them has told you what it thinks of its own work.
Four clauses decide what an exit costs you. Who holds the Seller Central account, who owns the creative files and the campaign history, what arrives as a written handover, and whether the restrictive covenant points at you or at poaching. Ours is a 36 month non-solicit on hiring our staff, with no non-compete on the client, and deliverables become client intellectual property on full payment.
The access clause is the one sellers skip. A provider should work inside your account through granted user permissions you can revoke in a minute, never through your login and never as the registered brand owner. Get that wrong and contract length stops mattering, because the lock-in has become structural.
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Fee structures and what each one pays for
Four structures cover almost every quote you will be handed: a flat retainer, a percentage of ad spend, a share of revenue or profit, and equity against discounted work. They are not equally honest, and one test separates them. Ask what happens to the provider's income if you cut your advertising budget in half tomorrow.
We charge a flat monthly fee, $800 for one product rising to $2,400 for five, with every service included at each tier and no commission, no revenue share, and no onboarding fee. Above $50,000 a month in profit we move to 10 to 20 percent of profit with no fixed fee, because at that size the upside is worth sharing. Below that line, a flat fee is the only structure where nobody earns more by spending more of your money.
Percentage of ad spend is the one to refuse outright. It pays a provider to grow a budget rather than to defend a margin, and it survives because it is easy to sell, not because it produces better accounts.
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Red flags and the cheapest way to test a candidate
The clearest red flag is a guarantee. Anyone promising you a revenue number before they have opened your account is selling certainty they do not own. The second clearest is a quote that lands before any market analysis, which tells you the sales process and the delivery team are not speaking.
The cheap test is a short paid trial. Sixty to 90 days on one or two products, with the success criteria and the stop criteria written down before day one, the diagnosis judged partway through, the execution judged near the end, and the numbers held until the last day. If the provider works month to month, you do not need a separate pilot agreement, you need a calendar reminder.
Our free audit is a written report with prioritized fixes inside 48 hours at no charge, and it is a fair way to test us without signing anything. Ask every candidate for the same thing and compare what comes back. A real audit contains at least one number about your account that you could not have dug out yourself in five minutes.
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Switching without losing a quarter
Switch on the quality of the diagnosis, not on one bad month. Sales fall for reasons nobody controls: a competitor cutting price, a stockout, a category shifting under you. What sits inside a provider's control is whether they caught the cause early, said so, and proposed something specific. A pattern of vague explanation, repeated after you asked for specifics, is your signal.
When you do move, gather everything before you give notice. Pull the campaign structure and the negative keyword lists out yourself, collect the creative source files, write down every open case, and confirm the Seller Central account sits in your own entity. Then run the two teams in parallel for a handover period and freeze structural changes on your best ranking listings until the incoming team holds a baseline.
Budget a period of double fees and a stretch of softer momentum while the incoming team ramps. Set against that, standing still has a price too, and it compounds quietly. If cost of customer acquisition keeps drifting upward with no plan to fix it, staying is usually the more expensive decision.
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Reporting, audits, and checking the work yourself
Reporting is where an engagement quietly turns into theater. Spend and sales both climb when the budget climbs, so a report built on that pair can look healthy through a full year of margin erosion. Ask for the numbers a bigger budget cannot flatter: cost of customer acquisition per channel, conversion rate, organic share of revenue, return rate, and weeks of inventory cover, with one line on every change made and the reason for it.
Our cadence is a written update in Slack each week and a live review every second week, with access in between, as captured on 26 August 2026. Cadence alone is not the point. The point is that a bad trend has to surface inside one reporting cycle rather than at a quarterly review, by which time a season is gone.
You can also check the work without anyone's help. Pull four figures from Seller Central yourself, being the cost of customer acquisition trend, organic share of revenue, conversion rate by product, and return rate, then read your last three monthly plans side by side. An afternoon spent that way tells you more than a call will. The fault our audits find most often is one ACoS target held across every product stage, which is maintenance dressed as management.
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What most agencies will not tell you
Four things go unsaid in almost every pitch, and on a bad day that includes ours.
- No agency fixes a product the market does not want. No listing rewrite, no creative refresh, and no bid strategy rescues a product sitting in a market that is too small or shrinking. That call was made before anyone was hired, and it is the most expensive one on the list.
- Most of your first year is decided before a single advertisement runs. Market choice, landed cost, and the primary image set the ceiling. Advertising carries you toward that ceiling faster, it does not raise it.
- The fee is rarely the biggest number in the deal. A single product launch takes $8,000 to $15,000 in capital, and a five product brand takes $25,000 to $50,000. A cheap retainer attached to a doomed launch is the costliest line on the invoice.
- Ask any agency what it has turned down, and why. Expect a specific answer. The majority of the brands we run reach profitability inside their first year, and a provider who has never refused a seller has told you its filter is a valid credit card.
Hold us to the same standard as everyone else on your list. If we cannot answer the caseload question, the stop-spending question, and the ownership question inside one call, do not hire us.
Do this week
One thing to do this week, at no cost. Email every candidate on your shortlist, including us. Ask three questions and nothing else: how many brands will the person running my account carry, who physically does the creative and the sourcing and where do those people sit, and what would make you tell me to stop spending on a product.
Give them one working day to reply. The answers rank your shortlist, and the silences rank it faster.
If you want that test run on your own account first, a written audit with prioritized fixes comes back inside 48 hours at no charge from Flapen.
Keep learning
Every question in this cluster
Underneath this heading the site lists all 149 answers in this cluster, grouped by the operating benchmark each one turns on: caseload, in-house delivery, traffic channels, advertising targets by product stage, stop criteria, research depth, market floor and launch capital, sourcing, first year outcomes, and the buyer-side view. Start with the family that matches the decision in front of you rather than reading from the top.
