Case Study
Buy Now Pay Later
Google + Meta

Scaling a £500k Per Month Performance Marketing Campaign

A multi-channel digital acquisition campaign focused on testing, optimisation and conversion rate improvement.

Campaign Highlights

£6.2M
Total Ad Spend
£500k+
Monthly Spend
1.8M
New Registrations
£3.44
Cost Per Registration
31%
CAC Reduction
+27%
Conversion Uplift

Client Overview

A fast-growing Buy Now Pay Later fintech platform wanted to scale user acquisition while maintaining efficient customer acquisition costs.

The company was investing heavily in performance marketing and required continuous testing, optimisation and conversion rate improvements across its digital funnel.

The Challenge

At high advertising spend levels, small improvements in conversion rates and cost per acquisition can significantly impact overall marketing efficiency.

The challenge was scaling user acquisition while continuously refining creative, audience targeting and conversion funnels.

Strategy

Platinum Prospects supported the performance marketing team through large-scale testing and optimisation across multiple advertising channels.

Meta advertising campaigns targeting online shoppers

Google search campaigns targeting purchase intent

Creative testing across multiple ad formats

Landing page and funnel optimisation

Conversion rate testing across key checkout stages

Audience segmentation and optimisation

Continuous performance analysis and campaign refinement

Campaign Performance

12 months
Campaign Duration
£500,000+
Avg Monthly Spend
£6,200,000
Total Ad Spend
1,800,000
New Registrations
£3.44
Avg Cost Per Registration
+27%
Conversion Rate Improvement
31%
CAC Reduction

Over 12 months, the campaign maintained an average monthly spend exceeding £500,000 while continuously improving efficiency. The cost per registration averaged £3.44 across 1.8 million new user sign-ups.

Optimisation Approach

The campaign focused heavily on continuous experimentation.

Creative Testing

Hundreds of ad variations tested across formats and placements

Audience Segmentation

Continuous testing of audience segments and targeting strategies

Landing Page Optimisation

Conversion-focused landing page testing and refinement

Checkout Funnel Improvements

Step-by-step optimisation of the checkout conversion flow

Performance-Based Allocation

Budget allocation driven by real-time performance signals

Result

New Registrations
1.8M
CAC Reduction
31%
Conversion Uplift
+27%

The campaign successfully scaled user acquisition while improving marketing efficiency. Through ongoing optimisation and testing, the platform was able to acquire millions of users while reducing overall acquisition costs.

Key Insight

This campaign demonstrates how large-scale performance marketing requires continuous experimentation, testing and optimisation to maintain efficiency at high advertising spend levels.

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