Medium

Lookalike Prospect Finder

Turn your best customers into a prospecting engine. Find companies with similar audiences and enrich them with Apollo data.

Works with:SimilarWebSimilarWeb

Free to start

1,000 credits included

No credit card required

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Setup time

~10 min

Time saved

1-2 hrs/week

Difficulty

Medium

Tools

1 connected

How it works

1

Audience Overlap Discovery

Find companies sharing visitors with your best customers

2

Traffic Qualification

Filter prospects by monthly visits and engagement quality

3

Apollo Enrichment

Get company details, headcount, industry, and contact info

4

Scored Prospect List

Rank by overlap frequency, traffic, and company size

Try asking

Find companies similar to Notion and Airtable with 1M+ visits
Build a lookalike prospect list from our top 3 customer domains
Who shares an audience with figma.com? Get their Apollo data.

View the agent prompt

See the full instructions this agent runs on — copy, edit, or customize it

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The Prompt

Task

Use @SimilarWeb/Get Similar SitesName it "SimilarWeb/Get Similar Sites" and call it with @SimilarWeb/Get Similar Sites to find companies sharing audience overlap with your best customer domains. Use @SimilarWeb/Get Traffic DataName it "SimilarWeb/Get Traffic Data" and call it with @SimilarWeb/Get Traffic Data to qualify each prospect by traffic volume and engagement. Enrich with @Apollo/Search OrganizationsName it "Apollo/Search Organizations" and call it with @Apollo/Search Organizations for company details. Export to @Google Sheets/Append RowName it "Google Sheets/Append Row" and call it with @Google Sheets/Append Row.

Input

The user provides 2-5 "seed" domains (their best customers or target accounts).

Example: "Find companies similar to Notion and Airtable with 1M+ visits" or "Build a lookalike list from our top 3 customer domains"

Context

Strategy

  1. For each seed domain, pull similar sites from SimilarWeb
  2. Deduplicate and rank by overlap frequency
  3. Pull traffic data for top prospects
  4. Filter by minimum traffic threshold
  5. Enrich with Apollo for company details
  6. Export ranked list to Google Sheets

Output

Qualified Prospects (Ranked): | Rank | Domain | Monthly Visits | Overlap Score | Industry | Employees |

Top 10 Prospect Cards with company details and why they match.

Google Sheets Export with full data.

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