Most Amazon sellers who hire an agency have already tried reading the console themselves. They download a search term export with thousands of rows, a campaign file with dozens of columns, and a placement report they are not sure how to read, then give up and ask "so, is it working?" An Amazon PPC report exists to answer that question in a few pages, without making the client learn the console.
This guide walks through a monthly report section by section: what to put in the summary, how to define ACOS, ROAS and TACoS so they mean the same thing every month, how to split results by ad type, and how to turn search terms, targeting and placements into decisions. It also covers the conversation every Amazon agency has sooner or later, which is why ACOS went up during a launch or a deal, and how to show that in the report before the client asks.
Key takeaways
A useful Amazon PPC report includes a summary, headline metrics, results by ad type, search terms, targeting, placements and a closing section on what changed and what comes next. That order matters: it moves from the answer the client wants first to the detail an analyst needs last.
Everything else, such as campaign level tables or hourly trends, belongs in an appendix or a live dashboard. If a section does not lead to a decision, the client will skim it, and the sections that matter will get skimmed with it.
The summary is the section most agencies get wrong. "Spend was $8,400 and ACOS was 27%" is a sentence the client could have read from the console. A useful summary says what moved and why: "Sales rose 18% as two new exact match keywords took over from broad terms, and ACOS held steady because we cut spend on terms that never converted."
Page one should show spend, sales, ACOS, ROAS and TACoS, each with its definition and its change against the previous period. Amazon defines ACOS as ad spend divided by ad revenue, multiplied by 100, and ROAS as the inverse, ad revenue divided by ad spend, in its ACOS guide.
| Metric | Definition | How the client should read it |
|---|---|---|
| Spend | What the client paid Amazon for ads in the period | Was the budget used as planned? |
| Sales | Sales Amazon attributes to ad clicks | What the ads brought in directly |
| ACOS | Ad spend divided by ad sales, times 100 | Lower means cheaper ad sales |
| ROAS | Ad sales divided by ad spend | Higher means more sales per dollar |
| TACoS | Ad spend divided by total sales, times 100 | How much the whole business leans on ads |
Clients often mix up the first two ratios, so link each one to a plain explanation. A page on how ACOS is calculated and another on what ROAS tells you save a call every month. TACoS needs extra care, because it depends on total sales, including organic orders, which come from Seller Central or Vendor Central rather than from ad data. Say where the total sales figure came from, and point clients to a short TACoS explainer so they see why it can fall while ACOS rises.
Report Sponsored Products, Sponsored Brands and Sponsored Display separately, because each one does a different job and blending them hides the weak one. Amazon describes Sponsored Products as cost-per-click ads for individual product listings in shopping results and on product detail pages, and Sponsored Brands as cost-per-click ads that feature a custom headline, brand logo and multiple products.
In practice, Sponsored Products carries most of the sales for most sellers and should be judged on ACOS and sales. Sponsored Brands builds brand recognition in search, so a slightly higher ACOS can be acceptable if branded searches grow. Sponsored Display reaches audiences using Amazon shopping interests, often for remarketing or defending product pages, and is better judged on reach and assisted sales than on ACOS alone. Put the three in one table with spend, sales, ACOS and ROAS per row, then add one sentence on each explaining its role.
Show search terms, targeting and placements as short lists of decisions, not as raw exports. Amazon's search term report lists the terms shoppers typed that led to at least one click, which for a busy account means thousands of rows. Nobody should send that to a client.
Search terms. Group them into three lists. Winners are terms with strong sales at a good ACOS, which you may move into exact match campaigns. Wasted spend is terms that took clicks and spend with no sales. Negatives added is the list of terms you excluded this month, with the spend they used. Amazon's Sponsored Products targeting guide explains negative targeting as excluding keywords, products or brands you do not want your ads tied to, which is the plain language version clients need.
Targeting. Compare automatic campaigns, where Amazon matches ads to similar keywords and products, with manual campaigns, where you choose keywords with broad, phrase or exact match, or target specific products, categories and brands. A rising share of sales from manual exact match usually means the account is maturing, which is a story worth telling.
Placements. Sponsored Products results split into three placements: top of search, rest of search and product pages. Amazon's placement bid adjustment update confirms bids can be raised by up to 900% for each one, and the placement report shows how each performs. Report ACOS and sales per placement, and note any bid adjustment you changed, so the client sees why spend moved between them.
Explain a rising ACOS during a launch or deal by showing what the higher cost bought: units, new customers and organic momentum. Amazon's own ACOS guide notes that new campaigns tend to have a high ACOS simply because they are new, and that does not make them failures.
Deals work differently but end the same way. A discount lowers revenue per order while the cost per click stays roughly the same, so ACOS rises even if units go up. Take an illustration: $1,000 of spend producing $4,000 in ad sales is a 25% ACOS. Run a 20% discount with the same number of orders, and ad sales fall to $3,200, pushing ACOS to 31.25% with no change in ad performance at all.
How to show it: put units ordered and TACoS next to ACOS for the launch or deal period, and annotate the dates on the trend chart. If TACoS holds or falls while ACOS rises, the ads are feeding total sales, not just buying them.
Set the expectation before the launch, not after. Agree a target ACOS for the first weeks, an end date for the launch phase and the metric that decides success, such as reaching a sales rank or a number of reviews. Then the report confirms a plan instead of defending a number.
Close every report with the actions you took and the actions you will take, because that is the part that shows the client what they are paying for. List bid changes, new keywords, negatives added, budget moves and new campaigns, then three to five next steps with a reason for each.
Building this by hand from console exports takes hours per client each month. An Amazon Ads reporting tool removes most of that work. In AgencyReportr, a client reporting tool for agencies, the Amazon Ads report covers Sponsored Products, Sponsored Brands and Sponsored Display with spend, sales, ACOS, ROAS, search terms, targeting and placements by ad type, and each report opens with an AI-written summary of the period. The reports go out as fully branded client reports under the agency's logo and domain, as live dashboards or as PDFs emailed on a weekly or monthly schedule.
Connect a client's Amazon Ads account and AgencyReportr builds a branded report across Sponsored Products, Sponsored Brands and Sponsored Display. Start with a $1 trial.
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A short summary, headline metrics (spend, sales, ACOS, ROAS and TACoS), results by ad type for Sponsored Products, Sponsored Brands and Sponsored Display, search terms with winners, wasted spend and negatives added, targeting, placements, and a closing section on what changed and what happens next.
Amazon defines ACOS as ad spend divided by ad revenue, multiplied by 100. If a campaign spends $50 and earns $100 in attributed sales, ACOS is 50%. ROAS is the inverse: ad revenue divided by ad spend.
ACOS compares ad spend with sales attributed to ads. TACoS compares ad spend with all sales, including organic ones. ACOS tells the client how efficient the ads are; TACoS tells them how much of the whole business depends on advertising.
New campaigns often start with a high ACOS while they collect data, which Amazon itself notes. During a deal the lower price cuts revenue per order while click costs stay similar, so ACOS rises even when units grow. Show units, new customers and TACoS next to ACOS to explain it.
Monthly suits most clients, because it gives search term and bid changes time to show results. Add a short weekly update during launches, Prime events or big deals, when spend moves faster and the client wants to know sooner.
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