Scaling Revenue to €985K+ with a 14.85% ACOS Through PPC & SEO Optimization

Client Overview
The client operates in multiple European Amazon marketplaces and approached us to improve overall account performance, advertising efficiency, organic visibility, and long-term profitability.
At the beginning of our engagement, the account had strong growth potential but required a more structured advertising strategy, keyword expansion, Amazon Product listing optimization, and continuous Amazon account management to unlock scalable growth.
As a full-service Amazon marketing agency, our involvement extended across:
- Amazon PPC management
- Amazon SEO optimization
- Amazon Listing optimization
- Keyword research & indexing
- Creative & Visual Optimization
- Conversion rate optimization
- Brand growth strategy
- Account health monitoring
For this case study, we will focus specifically on the PPC and SEO results.
Results Achieved
Based on the account performance data:

Total Attributed Sales
€985,144.18
Advertising Spend
€146,288.76
ROAS
6.73
ACOS
14.85%
These numbers demonstrate a highly efficient advertising structure where every €1 spent on advertising generated approximately €6.73 in sales revenue.
Maintaining an ACOS below 15% while scaling towards €1 million in attributed sales is a strong indicator of profitable growth and mature campaign management.
Challenges Before Optimization
When we initially started managing the account, several areas were limiting growth:
Advertising Structure Inefficiencies
Campaigns were not fully segmented according to search intent, keyword performance, and product priorities.
As a result:
- Budget allocation was inconsistent.
- High-converting keywords were not receiving enough exposure.
- Lower-performing search terms were consuming unnecessary spend.
- Campaign data was difficult to analyze and scale.
Limited Organic Visibility
Several products were not ranking consistently for high-volume search terms.
This caused:
- Dependence on paid traffic.
- Lost opportunities for organic sales.
- Lower overall market share within important categories.
Keyword Gaps
The account was not fully targeting the complete customer search journey.
Important opportunities existed within:
- Long-tail keywords
- Competitor search terms
- Category-specific search terms
- Seasonal keywords
- High-converting niche phrases
Conversion Rate Constraints
Even when traffic was reaching the listings, there were opportunities to improve conversion rates through better SEO implementation and listing optimization.
Our PPC Strategy
Phase 1: Complete Advertising Audit
We conducted a comprehensive audit of:
- Campaign structure
- Search term reports
- Keyword performance
- Bid strategy
- Placement performance
- Budget allocation
- Product-level profitability
This allowed us to identify where advertising spend was generating the highest returns and where inefficiencies existed.
Phase 2: Campaign Restructuring
We rebuilt the PPC architecture using a structured approach.
Campaigns were segmented by:
Match Types
- Exact Match
- Phrase Match
- Broad Match
This allowed us to:
- Scale proven keywords aggressively.
- Discover new search terms continuously.
- Control spend more efficiently.
Product Prioritization
Products were grouped according to:
- Best sellers
- Growth products
- New launches
- Seasonal opportunities
This ensured advertising budgets were aligned with business objectives.
Phase 3: Search Term Mining
One of the most impactful activities involved continuous search term analysis.
Every week, we reviewed:
- Converting keywords
- Emerging opportunities
- Low-performing terms
- Irrelevant traffic sources
This process allowed us to:
- Increase sales volume.
- Improve ROAS.
- Reduce wasted ad spend.
- Expand profitable keyword coverage.
Phase 4: Bid Optimization
Instead of applying generic bidding strategies, we optimized bids based on:
- Conversion rates
- Cost-per-click trends
- Keyword profitability
- Placement performance
This helped maintain profitability while increasing visibility.
Phase 5: Placement Optimization
We continuously monitored:
- Top of Search
- Product Pages
- Rest of Search
Budget and bid adjustments were made according to placement-level profitability.
This increased visibility in premium placements while protecting advertising efficiency.
Our SEO Strategy
While PPC generated immediate traffic, SEO was used to build sustainable long-term growth.
Advanced Keyword Research
We conducted extensive keyword research focused on:
High-Volume Keywords
Keywords with significant search demand.
High-Intent Keywords
Search terms with strong purchase intent.
Competitor Keywords
Terms driving traffic to competing products.
Long-Tail Keywords
Lower-competition phrases with higher conversion potential.
Listing Optimization
Every major listing element was optimized.
Product Titles
Titles were rewritten to include:
- Primary keywords
- High-intent search terms
- Strong relevance signals
Without compromising readability.
Bullet Points
Bullet points were optimized to:
- Improve indexing
- Increase keyword coverage
- Communicate product benefits clearly
Backend Search Terms
Hidden keyword fields were strategically utilized to maximize indexing opportunities.
Product Descriptions
Descriptions were enhanced to improve:
- Relevance
- Keyword density
- Customer engagement
Organic Ranking Growth
By combining PPC and SEO strategies, products gained stronger organic positions for important search terms.
This produced several benefits:
Reduced Dependence on Ads
As rankings improved, products generated more organic traffic.
Improved Profitability
Organic sales contributed to overall revenue without increasing advertising spend.
Stronger Brand Presence
Products became more visible across multiple search results pages.
PPC + SEO Strategy
One of the key reasons for success was the integration of PPC and SEO rather than treating them as separate activities.
The PPC campaigns generated valuable keyword data.
We then used this data to:
- Improve listing optimization.
- Expand indexing coverage.
- Strengthen organic rankings.
- Identify new keyword opportunities.
As organic rankings improved, PPC efficiency also increased.
This created a positive growth cycle where both channels strengthened each other.
Performance Highlights
Nearly €1 Million in Attributed Revenue
The account generated:
€985,144.18 in Amazon-attributed sales
through carefully managed advertising campaigns.
Strong Advertising Efficiency
Despite scaling sales significantly, we maintained the following:
14.85% ACOS
which indicates highly controlled advertising costs.
Excellent Return on Ad Spend
The account achieved:
6.73 ROAS
meaning every €1 invested generated approximately €6.73 in sales.
Scalable Growth Model
Rather than focusing on short-term spikes, the account was built around a sustainable growth framework that continued delivering performance over an extended period.
Improved Keyword Coverage
The account expanded visibility across a larger set of relevant search terms, increasing both paid and organic traffic opportunities.
Better Budget Utilization
Campaign budgets were continuously redistributed toward high-performing keywords and products, improving overall account efficiency.
Conclusion
Through a combination of advanced Amazon PPC management and strategic SEO optimization, we transformed the account into a highly efficient revenue-generating asset.
The result was:
- €985,144.18 in attributed sales
- €146,288.76 advertising spend
- 6.73 ROAS
- 14.85% ACOS
- Stronger organic rankings
- Increased keyword visibility
- Sustainable marketplace growth
By continuously optimizing campaigns, refining keyword strategies, improving listing relevance, and leveraging data-driven decision-making, we created a scalable system capable of delivering long-term profitable growth across Amazon European marketplaces.
This case study demonstrates how a structured PPC and SEO strategy can drive significant revenue growth while maintaining strong advertising efficiency and profitability.


