Amazon agency red flags: 9 warning signs you're about to hire the wrong partner

Why hiring the wrong Amazon agency is so costly

For many brands, Amazon is no longer just one channel among several. It’s now their largest revenue source.

So, if you sign up with an agency that underperforms, it isn’t a minor inefficiency you can absorb. Instead, every day it allows your largest source of sales to leak.

The damage almost always appears first as wasted ad spend. In fact, in most of the accounts we audit, between 15% and 25% of total ad spend is wasted on search queries that convert at close to zero. A weak agency will let that spend run for too long before pulling the report that would expose the issue.

The nine Amazon marketing agency red flags

Evaluate every agency using the table below before you sign a contract or renew an existing one.

You should treat it as triage, instead of a scorecard. A single signal is worth a direct question, while two or more mean it’s time to walk away.

Red flag 1: It charges a percentage of your ad spend

A percentage-of-spend model charges you a set share of your monthly ad budget as a management fee. This creates a built-in conflict: the fee rises when your budget rises and not when your profit does. This rewards spending more even on those campaigns that lose money.

When you run the math, at 15% of $50,000 in monthly ad spend, you pay $7,500 per month in management fees. Double that budget to $100,000, and the same 15% now costs you $15,000 a month. The fee moved because your budget moved and not because the agency proved the extra $50,000 was worth spending.

For reference, a typical Amazon agency’s fees run anywhere between $1,000 and $5,000 per month on retainers. Percentage-based models charge 10% to 20% of monthly ad spend, and a retainer keeps the fee steady while your spend scales.

Red flag 2: It reports ACoS and vanity metrics, not profit

There are two important metrics that an agency should track:

• Advertising cost of sales (ACoS) divides yourd ad spend by the revenue those ads produced and so it only describes the paid ads aspect of your business.
• Total advertiing cost of sales (TACoS) divides the same spend by your total revenue (including organic sales) making it the only metric that shows what advertising is doing to the business as a whole.

An agency that reports only ACoS can look good on paper for months, while your margin suffers underneath. The pattern is easy to miss because every step of it looks reasonable in isolation.

The agency pulls back on ad spend, ACoS falls, and the monthly report presents that drop as an efficiency gain. What the report doesn’t show is that those ads were doing double duty.

Paid sales feed the velocity and conversion signals that hold your organic rank in place. So, cutting them starts a slower decline behind the numbers being reported. Organic sales soften a few weeks later, the total revenue follows them down, and TACoS climbs while the ad-only metric on the dashboard keeps looking better every month.

The bottom line is to watch your TACoS alongside true profit and treat a falling ACoS as a question rather than an answer.

Take a look at our ACoS vs TACoS breakdown, which walks you through the method we use to read these two together.

Red flag 3: It guarantees specific sales, rankings, or ROI

You should be careful about what the agency actually promises. An agency that puts a specific sales figure or number one ranking in writing is committing to outcomes that sit outside its control. This is because nobody controls the Amazon algorithm, what your competitors decide to bid on next quarter, or how your category will move through the season.

What a guarantee should cover is reasonable deliverables because the work is the only part the agency actually owns. For example, Olifant Digital has a 60-day money-back guarantee on management fees. It’s based on our execution. If we don’t deliver what we agreed, you’ll get your fees back.

Red flag 4: Junior staff learn on your account

This pattern is very common. A senior manager closes the sale and then hands the account to a junior once you’ve signed.

In this scenario, you get maintenance rather than well-informed decisions. It takes a month or two to notice because the reports keep arriving on time. However, by asking who works in the account each day and how many years they have done this specific job you’ll spot this red flag before signing. Then, get the answer in writing before you sign so that the terms can’t change once the contract is in place.

For example, at Olifant Digital, we staff only senior specialists (with a minimum of seven years of experience). This means that there aren’t any juniors on our team to manage clients’ accounts.

Red flag 5: Check-ins are limited to weekly or monthly

Set-it-and-forget-it management is when the agency does check-ins every week or month, but nothing significant happens in between. Everything that might be wrong with the account will simply keep running until the next log-in. The problem here is that Amazon auctions change daily and so a bid that made sense on the first of the month is often losing money by the tenth.

What you need is continuous optimization. Search term reports and spend are to be reviewed at least weekly, with bids and budgets adjusted as the data changes. For example, our Kill Threshold Rule pauses a keyword once it has taken enough clicks to be a fair test and spent twice your break-even cost per sale without making one.

Red flag 6: No named case studies or results are shared

A portfolio that contains anonymous brands or vague percentages doesn’t prove anything, because there’s no way to check any of it.

Real proof includes:

• The name of the brand
• Before-and-after numbers (e.g., monthly revenue, ACoS, TACoS, etc.)
• The time frame needed to generate these results

You should ask for all three and pay attention to how quickly the answer comes. An Amazon marketing agency that has real results won’t need too much time to gather this data.

For an example of what real results look like, take a look at our Elite Jumps case study. We rebuilt its Amazon channel after the brand had previously worked with multiple agencies that didn’t deliver. Its revenue grew 124% in three months alongside a 51% lift in conversion rate.

The brand is named, along with specific figures and a quote from the CEO. These details make it verifiable which is the whole point of a case study.

Red flag 7: Reporting isn't transparent and you don't own your data

Some agencies run your advertising through their accounts and dashboards, then give you a filtered view of what’s happening inside them.

While it looks like a convenience at first, the problem this creates surfaces the same day you want to leave because your campaign history, keyword data, and performance record all sit on their side. Walking away means starting with the next agency from zero on an account that took months to learn.

This arrangement makes leaving expensive as they have leverage over you. So, keep the assets in your name and maintain admin ownership of your Seller Central account and Brand Registry. Also, insist on reporting you can open and read without having to go through the agency.

Red flag 8: It locks you into a long contract with no way out

A 12-month term with automatic renewal and no opportunity to renegotiate terms should results fall short is written to protect the agency, not you. An agency confident in its work doesn’t need to trap you for a year.

The contract tells you which type of agency you’re dealing with before the work even starts. Ask for terms that hold the agency accountable.

For example, we charge a fixed retainer with a 60-day money-back guarantee on management fees and no long lock-in. This means the arrangement only continues as long as the results justify it.

Red flag 9: It recommends tactics that put your account at risk

Watch for incentivized reviews, search-find-buy schemes, and any offer to influence reviews on your behalf. All of it violates Amazon's terms of service.

An agency that suggests it carries none of the risk. Your account absorbs the penalty, whether it’s a suspension or lost Buy Box. For established brands, a few weeks offline can cost more than years of agency fees.

The one review program worth using is Amazon Vine, which Amazon runs itself. The program sends your product to vetted reviewers for honest feedback. You can enroll through Brand Registry inside Seller Central, and it keeps you inside the rules by design.

If an agency pitches anything that sits outside Amazon’s own programs, it’s your answer about how they handle risk in general.

What to do if you've already hired the wrong agency

If it’s time to fire your agency, a rushed exit will cost you the data and rankings you’re trying to protect. Instead, you need to give the current agency a short window to fix the account and prepare your exit while this window is still open. To help you do this:

• Document your current TACoS and true profit so you have a baseline to judge against
• Confirm you hold admin access to Seller Central and Brand Registry before you raise the issue
• Set a 30-day improvement bar with specific numbers attached instead of general expectations
• Line up a new agency before you cancel so the account never goes unmanaged

Read when to fire your agency for the full exit and handover steps.

How to vet the right Amazon partner before you sign

Each of the red flags we discussed above is a question you can ask on the first call. What you’re listening for isn’t just the answer but also specifics and numbers offered without hesitation, or a general reassurance that moves the conversation along.

The following six questions will give you most of the information you need:

• How do you price your service? Is it a fixed retainer or a percentage of my ad spend?
• Who works in my account each day, and how many years have they done this job?
• How often do you optimize, and what triggers you to pause a keyword?
• Which named clients can you show me, with figures and time frames?
• What are the contract terms, and what happens if I want to leave?
• What is your position on reviews and Amazon’s terms of service?

How we handle Amazon accounts at Olifant Digital

At Olifant Digital, every account that we take on is operated by our team of senior team members with a minimum of seven years of experience. These specialists work in your account every day through Olifant AI, our in-house platform, rather than checking in on a monthly schedule. You can see our full-service Amazon account management for how that cadence runs.

Then, we use profit-first Amazon reporting that leads with TACoS and true profit, instead of ad-only ACoS. This means what you’re reading each month is what advertising did to the business as a whole.

This level of reporting is only possible because our campaign architecture follows the 1-1-1-1 Scaling Method: one product, one match type, one keyword theme, and one objective per campaign. Every dollar that’s spent traces back to a specific decision someone made deliberately.

Pricing follows the same logic. We charge a retainer starting at $2,000 per month, adjusted for catalog complexity, with no percentage-of-spend fees. This way, scaling your budget costs you more in media and nothing more in management. As proof, we grew Ekster to $688,406 in annual Amazon profit and added $114,305 per month for MatchaBar after the brand had spent years cycling through agencies.

Not sure whether your current agency is the problem? Get a free marketing plan from Olifant Digital and we’ll show you where your ad spend is going, what your TACoS reveals about your real profit, and what the account should be doing instead.

Frequently asked questions

What should an Amazon agency's retainer include?

A retainer should cover the campaign management, optimization work, and reporting that you can read without help. Where agencies mostly differ is regarding what they treat as extra, such as creative, listing optimization, catalog expansion, and Vine enrollment. These are often billed separately and so it's best to ask for the scope in writing rather than just assuming.

How long does it take to see results?

Wasted spend comes first, and cutting it lifts profit within two to four weeks without anything else needing to change. Campaign restructuring and bid rebuilding take longer to read, so wait 30 to 60 days before you judge them. From month three onward, improved paid performance pulls the organic rank up with it. How quickly it all moves depends on your catalog size and whether the account needs fixing or only tuning.

What notice period should I accept in an agency contract?

The standard period is 30 days. This is enough time for a clean handover. Also check whether there’s a performance clause that releases you if the results don’t arrive, and how the renewal works. Sellers often get stuck in a contract that automatically renews for another 12 months unless they cancel by a specific date.