Beginner Must-See: What is Amazon Management Agency? Basics of ACOS Improvement & Sales Maximization for EC Newbies

For EC managers who have just started selling on Amazon, dealing with massive data management and the search algorithm "A10" is an extremely high hurdle. If it is difficult to maximize sales with only in-house resources, a powerful option is "Amazon Management Agency". This article explains the ACOS (Advertising Cost of Sales) improvement methods practiced by operation professionals and MECE strategic design to increase sales in an easy-to-understand manner for beginners.

A conceptual visual representing Amazon account management and strategic advertising optimization, showing data charts and a professional business environment focused on e-commerce growth.

1. Definition and Benefits of Amazon Management Agency

Amazon Management Agency is a service where specialized vendors comprehensively undertake everything from product registration in Seller Central to ad management, sponsored product ad optimization, and customer support. It resolves the state of "not knowing where to start" faced by EC newbies with speedy execution based on the latest specialized knowledge.

The main benefits are immediate response to Amazon's unique search algorithm (A10) and formulation of pricing strategies based on competitor analysis per ASIN. This allows internal resources to focus on core operations such as product development and expansion to other platforms.

A professional data analyst reviewing Amazon metrics to optimize resource allocation and improve operational efficiency for a large-scale e-commerce business.

2. Basic Logic of "ACOS Improvement" Determining Sales

One of the most important KPIs in operating Amazon ads is ACOS (Advertising Cost of Sales). This refers to the ratio of ad spend to sales via ads.

To improve ACOS, it is necessary to decompose the following 3 elements into MECE (Mutually Exclusive, Collectively Exhaustive) to design a KPI tree.

  • Optimization of CPC (Cost Per Click): Bid adjustment and exclusion of wasteful keywords (Negative Keywords).
  • Improvement of CVR (Conversion Rate): Improvement of Product Detail Page (PDP) images and promotion of customer reviews.
  • Improvement of AOV (Average Order Value): Variation setting, set sales, coupon measures.

3. Visualization and Benchmark of Ad Operation Data

When introducing an agency or deepening in-house operation, visualizing current figures is essential. The following is an image of the transition of ad spend and sales in a general category when professionals intervene.

In the initial stage, ad spend is invested to increase unit session percentage (access count), but as operations get on track, sales via organic search increase, and ACOS decreases relatively, which is the ideal growth cycle.

4. Importance of Brand Registry and A+ Content

"Amazon Brand Registry" is indispensable for maximizing sales on Amazon. Completing this makes A+ Content available, allowing you to convey product appeal using richer images and comparison tables.

A high-quality e-commerce product detail page layout showcasing enhanced brand content and modules that drive customer engagement and increase conversion rates.

A+ Content prevents user bounce and increases purchase intent, directly leading to CVR improvement. Agencies scientifically create "pages that sell" while repeating AB tests in this creative production as well.

FAQ

Q. When is the best time to request management agency services?
A. It is best when you feel the limits of in-house operation or when you want to vertically launch new products at once. Especially in the phase where monthly ad spend exceeds 300,000 yen, leaving it to experts often improves ACOS significantly and generates profit exceeding agency fees (ROAS improvement).
Q. Is lower ACOS always better?
A. Not necessarily. In the phase of brand awareness expansion or new product launch, there is also an "aggressive" strategy to set ACOS high to capture market share. Setting target values according to the business growth phase is important.

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Popular Topics

#Amazon Management #ACOS Improvement #Sales Maximization #Free Diagnosis

Summary

Amazon Management Agency is not just a substitution of tasks, but a partnership aiming for "Sales Maximization" based on specialized algorithm understanding and data analysis. Especially ACOS improvement and content enhancement via brand registry are keys for EC newbies to produce results early. Start by grasping your company's current figures and organizing which parts should be left to professionals.

Published: 2026-2-10

Author: Yuta Ito

References

  • [1] Amazon Advertising Advanced Optimization Guide (Global Business Standards)
  • [2] Seller Central Help: Improving Your Advertising ACOS and Organic Ranking
Disclaimer: This article is for informational purposes and does not guarantee results. Amazon algorithms update frequently; check latest Seller Central terms. Consult our experts for professional decisions.