What Is a Lookalike Audience?

    A lookalike audience is a group of prospects generated by identifying people or accounts that share similar characteristics with an existing, known audience, such as current customers or a target account list.

    Lookalike Audiences, Explained Simply

    A lookalike audience starts with a known group, usually best customers or a defined target list, and finds new prospects who share similar traits.

    Those traits can include firmographic details like industry and company size, or behavioral signals like engagement patterns.

    The goal is to expand reach to a new audience that resembles the people or companies already proven to matter to the business.

    Why Lookalike Audiences Matter

    Lookalike audiences help marketers:

    • Expand reach beyond a known audience without losing relevance
    • Identify new prospects that resemble best-fit customers
    • Scale prospecting campaigns more efficiently
    • Support demand generation with data-driven expansion
    • Reduce guesswork when defining new target segments

    PAULA'S PERSPECTIVE

    Lookalike audiences are a smart way to scale, but they're only as good as the seed audience you build them from.

    If you model a lookalike off your best customers, defined clearly and accurately, you'll find genuinely similar prospects. If your seed audience is vague or poorly defined, the lookalike will just be an amplified version of that same imprecision.

    Start with a clean, well-understood audience, and lookalikes become a powerful way to find your next best customers.

    Paula Chiocchi

    Lookalike Audiences in Practice

    1. Step 1Seed Audience (Best Customers)
    2. Step 2Attribute Analysis
    3. Step 3Lookalike Modeling
    4. Step 4New Prospect List
    5. Step 5Campaign Activation

    A B2B company can use its best-performing customer accounts as a seed audience, identifying shared firmographic and behavioral traits.

    From there, a lookalike audience of similar companies can be built and activated across advertising channels to expand top-of-funnel demand generation.

    KEY TAKEAWAY

    A lookalike audience expands reach by finding new prospects that share the traits of an existing, well-defined audience, making it a powerful tool for scaling demand generation.

    About Paula Chiocchi

    Paula Chiocchi is the Founder and CEO of Outward Media, Inc. and host of B2B Influence: Spotlight on Industry Game-Changers, with decades of experience in data-driven marketing.