ROAS Optimization: How We Achieved 8.5x Return on Ad Spend

The Starting Point

Our client was spending £15,000 monthly on Meta and Google Ads, generating £31,500 in revenue—a 2.1x ROAS. While technically profitable, this wasn't sustainable for scaling. They needed to either improve efficiency or reduce spend, but they wanted growth, not cuts.

Our ROAS Optimization Strategy

1. Proper Conversion Tracking Setup

First, we audited their tracking. They were using last-click attribution, which was giving them an incomplete picture. We implemented:

• Facebook Pixel with Conversions API
• Google Analytics 4 with enhanced e-commerce
• Server-side tracking for iOS 14.5+ users
• Multi-touch attribution modeling

This revealed that their actual ROAS was even lower than reported—many conversions weren't being attributed correctly. But now we had accurate data to work with.

2. Audience Segmentation & Lookalikes

We analyzed their customer data and created high-value customer segments:

• Top 20% customers by LTV
• Repeat purchasers
• High AOV customers

We then created lookalike audiences from these segments. These lookalikes performed 3x better than their previous broad targeting. We also excluded existing customers and recent purchasers to avoid wasted spend.

3. Creative Testing & Optimization

We tested 12 different ad creatives across formats:

• Video ads showcasing products in use
• User-generated content
• Before/after transformations
• Testimonials and reviews

The winning creative (UGC video) had a 4.2x higher CTR and 2.8x lower cost per acquisition. We scaled this creative across all campaigns.

4. Campaign Structure Overhaul

We restructured their campaigns from broad targeting to a funnel approach:

• Top of Funnel: Broad awareness campaigns with video content
• Middle of Funnel: Retargeting website visitors with dynamic product ads
• Bottom of Funnel: Lookalike audiences with conversion-optimized campaigns

Each stage had specific KPIs and budgets. We moved budget from low-performing top-funnel campaigns to high-performing bottom-funnel campaigns.

5. Bid Strategy Optimization

We switched from manual CPC to automated bidding strategies:

• Meta: Value optimization with ROAS targets
• Google: Target ROAS bidding
• Campaign-level budgets with daily optimization

Automated bidding, combined with proper tracking, allowed the platforms to find the best customers more efficiently than manual bidding.

The Results

After 90 days of optimization:

• ROAS increased from 2.1x to 8.5x
• Cost per acquisition decreased by 68%
• Monthly ad spend increased to £25,000 (scaled efficiently)
• Monthly revenue increased to £212,500
• Profit margin on ad spend improved from 52% to 88%

Key Lessons

The biggest lesson: proper tracking and attribution are non-negotiable. You can't optimize what you can't measure. Second, audience quality matters more than audience size. A smaller, highly-targeted audience will always outperform a broad audience. Finally, creative testing is ongoing—what works today may not work tomorrow.