You land on a prospect's website—a startup or a vendor you're analyzing—and you want to see who is building something similar. You open the extension, and you get a list. Here's how it works.

At Extruct, we just released a free lookalike browser extension.
👉 Install the extension from Chrome Web Store
The concept is simple. You land on a prospect's website—a startup or a vendor you're analyzing—and you want to see who is building something similar. You open the extension, and you get a list.
But the infrastructure behind it is messy.
Most "similar company" tools rely on static descriptions. You check a CRM or a directory, and it matches keywords. "Software company" matches "software company." It's fuzzy.
We took a different approach. We analyze the semantic space associated with the company: the website content, social signals, news mentions, and how they describe themselves in real-time. It's not just "what category are you in," but "how do you talk about what you do?"
You are browsing a website. You click the extension. You get:
For each company, you get:
You can also export your results to CSV or save directly to your Extruct tables for further enrichment.
The extension is just one way to discover similar companies. You can also search for lookalikes directly inside the Extruct product—perfect for when you want to explore without leaving your workflow.

We are working heavily on what we call "contextual lookalike."
Right now, you get a general similarity score. But the next step—what we are building in the background—is specificity.
This moves from general discovery to deep research.