Facebook Ads Case Study: From 42 Leads in 3 Years to 908 Leads in Under 3 Months

This Facebook Ads case study shows how one of our clients transformed its lead generation performance after years of ineffective advertising. The tax and bookkeeping firm had been running Facebook ads since 2023, and spending consistently but generating no meaningful return. After specialist campaign management took over in February 2026, the account became a scalable lead generation system delivering predictable growth.

The Challenge

3 Years of Self-Managed Ads With No Real System

On the surface, the business had been “running ads” for years. But underneath, the account lacked structure, a targeting strategy, and a proper lead generation framework.

Across 3 years, the brand launched 13 different Facebook campaigns and generated only 42 total leads. Even worse, 6 of those campaigns failed to generate a single impression.

The core issues included:

  • 42 total leads across 13 campaigns over 3 years
  • 6 campaigns generated zero impressions
  • Wrong campaign objectives selected: traffic and messenger instead of lead generation
  • No separation between tax preparation and bookkeeping audiences
  • Different freelancers managing campaigns with no consistent strategy or accountability
  • No scalable system for testing, optimization, or budget allocation

The account averaged approximately 1 lead every 26 days with no reliable acquisition system in place.

The Strategy & Solution

Like many successful Facebook Ads agency case studies for e-commerce growth and lead generation, the transformation started with rebuilding the account from the ground up around one clear objective: generating qualified leads at scale.

Instead of increasing spend blindly, we focused on campaign structure, audience segmentation, and reducing friction throughout the conversion process.

  • Correct Campaign Objective: The account was immediately shifted to Instant Form Lead Generation campaigns, eliminating unnecessary friction and making lead capture faster and easier directly inside Facebook.
  • Campaign Separation: Tax preparation and bookkeeping services were separated into independent campaigns, each with unique messaging, audiences, and optimization strategies.
  • Audience Targeting: A structured targeting system was introduced that ultimately reached 128,742 people, more than 8× the reach generated across the previous three years combined.
  • Scalable Budget Allocation: The budget was strategically redirected toward the highest-performing service category while maintaining healthy frequency levels and room for additional scaling.
The image shows growth in Facebook Ads case study results with a growth in leads

The Results

The transformation was immediate and measurable

  • 908 leads generated in only 3 months, which was 21.6× more leads than the previous 3 years combined
  • 811 tax preparation leads generated at $10.31 CPL 
  • 97 bookkeeping leads generated at $27.27 CPL, highly competitive for a B2B-focused audience
  • 0 wasted campaigns out of 2 active campaigns, compared to 6 of 13 campaigns previously generating nothing

The same niche and same advertising platform that previously generated 1 lead every 26 days was transformed into a system producing approximately 1 lead every 2.3 hours. It was the system behind the campaigns.