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From 22% to 11% ACOS: How We Scaled Amazon Ad Sales 4.4x While Cutting Costs in Half

A Case Study in Precision-Based Amazon Advertising for a 7-Figure Brand

Project Start Date: Aug 24

Client Overview

A well-established brand with over a decade of Amazon selling experience and 100+ SKUs, generating 7-figures in annual revenue. They were seeking support with increasing visibility and rankings for key products in their catalog through advertising while staying profitable.

The Challenge

When we began working with this established seller, they faced several challenges:

  • High advertising costs with a 23% ACOS
  • Limited visibility for key products
  • Poor organic rankings for essential search terms
  • Inefficient campaign structure limiting growth potential
  • Monthly ad performance plateaued at £9,376 in sales with £2,112 in ad spend

Initial Audit Findings

Our comprehensive account audit revealed several crucial issues limiting their advertising effectiveness:

Campaign Structure Issues

  • Products were grouped in the same campaigns regardless of search relevance
  • Products showing up for irrelevant search terms, leading to wasted ad spend
  • No systematic approach to keyword discovery and optimisation
  • Lack of targeted campaign strategy for individual products to scale ad spend profitably

Our Solution

We implemented a methodical, data-driven approach focused on maximising ROAS through precise targeting and systematic optimisation.

Strategic Framework

  1. Individual ASIN Portfolio Strategy
    • Created separate portfolios for each ASIN
    • Developed product-specific campaign structures
    • Eliminated cross-product keyword cannibalisation
  2. Three-Tier Campaign Structure
    • Discovery Phase: Auto campaigns for initial keyword harvesting
    • Research Phase: Broad match campaigns for search term exploration
    • Scaling Phase: Single Search Term (SST) exact match campaigns for proven performers
  3. Systematic Optimisation Process
    • Weekly optimisation schedule
    • 30-day lookback period for data analysis
    • Strict focus on high-converting (>20-30%) and low ACOS (<5-10%) search terms
    • Manual optimisation without AI tools for precise control

Implementation Timeline

  • Weeks 1-2: Campaign restructuring and portfolio creation
  • Weeks 3-12: Continuous optimisation and scaling of successful campaigns
  • Weeks 13-16: Achievement of peak performance metrics

Results

Key Performance Metrics (July to December)

  • Ad Sales: Increased from £9,000 to £40,000
  • ACOS: Reduced from 22% to 11%
  • Advertising Conversion Rate: Improved by 12%
  • Impression Share: Increased from <10% to >50% for key terms
  • TACOS: Decreased to below 5%
  • Organic Rankings: Achieved top 5 position for multiple key search terms
  • New-to-Brand Customers: 8x increase

Additional Business Impact

  • Record-breaking monthly sales in December
  • Increased brand store traffic and larger average basket sizes
  • Significant improvement in organic sales performance
  • Enhanced brand visibility and market presence

Success Factors

Methodical Approach

  • Strict weekly optimisation schedule
  • Data-driven decision making
  • Manual campaign management for precise control
  • Focus on scalable, profitable growth

Campaign Structure

  • Single ASIN portfolios
  • Targeted discovery campaigns
  • Strategic use of auto and broad match campaigns
  • Precise single search term campaigns

Ongoing Strategy

The success of this approach has led to its adoption as our standard operating procedure, featuring:

  • Continued focus on individual ASIN optimisation
  • Regular monitoring and adjustment of campaign performance
  • Systematic scaling of successful search terms
  • Maintenance of strict ACOS targets

This case study demonstrates how a methodical, data-driven approach to Amazon advertising can dramatically improve performance while reducing costs. The strategy continues to deliver consistent results, providing a scalable framework for sustainable growth.

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“The flexibility to request everything from ads, data analytics to designs is outstanding. It adapts perfectly to our unique needs.”

Adam Jarvis

E-commerce Manager

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The product images and photography improved our conversion rates by over 12% and has reduced our ACOS as well as a result.

Ahmed Elmasri

Account Manager

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