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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

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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.

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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

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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

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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

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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

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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

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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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