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How do I use lookalike audiences in financial advertising?

Last reviewed 22 April 2026 · Reviewed by Jake McQuillan

Quick answer

How do I use lookalike audiences in financial advertising?

Build 1-2% lookalikes from your best-converting clients (high LTV, retained 24+ months), refresh every 30-60 days, and exclude existing leads for incremental reach.

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Best-practice

  • Seed: high-LTV client emails (1,000+ for quality)
  • Size: 1-2% for quality, 3-5% for reach
  • Refresh: every 30-60 days as client list grows
  • Exclusions: existing leads, previous low-quality converters

Impact

25-45% lower CPL vs broad interest targeting in most tested niches.

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Reviewed by
Jake McQuillan
Founder at Platinum Prospects
Last reviewed 22 April 2026

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