You cannot directly target a competitor's customer list, but there are legitimate ways to reach similar audiences.

What You Can Do

Interest Targeting

Target users interested in competitor brands (if available as interests).

Lookalike Audiences

Create Lookalikes from your own customers, which will include similar users who may currently buy from competitors.

Broad Targeting

Let Meta's algorithm find high-intent users based on conversion optimisation.

What You Cannot Do

  • Upload a competitor's customer list (violates Meta's terms)
  • Target people who "like" competitor Pages (no longer available)
  • Access competitor's audience data

Ethical Considerations

Focus on winning customers through better products, service, and marketing, not through questionable data practices.