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What we do
We build a platform that gives online retailers visibility into the performance of individual products across their ad channels like Meta, Google, Snap, TikTok, and ChatGPT and makes that data actionable at scale.
We are the only company worldwide unlocking the full potential of e-commerce product data. You may know us as ROI Hunter.
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Who we are
Nine out of ten startups never get this far. Ours began as a side project among a few friends in Brno, and in 2014 it won a place in Facebook's accelerator program. Suddenly, a handful of people in a Czech office were building ad tools Facebook itself didn't have.
The years that followed weren't a straight line. We learnt, often the hard way, what big retailers really struggle with, and ended up creating our own category - Product Performance Management.
At the end of 2025, we joined Pattern, a US e-commerce company that started a year before us and is now listed on Nasdaq. Today we work with brands we could only have dreamt of pitching a few years ago. Many of the people who started this are still building it.
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Meet our CEO
Meet Karel, the CEO
I've led this company since 2014, and there were moments I thought I wouldn't get through, or even thought about giving up.
What got me through was the people around me, who support and care about each other. I'm lucky to work with them every day.
That's the team we're building. We challenge ourselves because much of what we do hasn't been done before. We give honest feedback and stay open to getting better, so each of us can become a better version of ourselves.
Becoming part of Pattern, a global, publicly traded company, is a milestone most startups only dream of. For us, it's a new beginning: same team, same mission, much bigger reach. And with AI changing how people discover and buy products, we want to help shape what comes next.
When I meet someone new, I look for two things. Potential: can you get through hard moments, learn from mistakes, and connect the dots? And passion: do you care about the problem we're solving? Life is too short to work on problems you don't care about.
Is it a good fit for you?
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Start on what matters without waiting to be asked.
Want to know whether your work moved a number.
Don't need everything set in stone to find your way.
Share an idea even when it might not be popular at first.
If you're looking for a five-person startup, we've outgrown that stage, and we're part of a bigger company now.
Right now, we are exploring our way and redefining how we work as part of the larger Pattern family. It's a fun ride because, on one hand, we work with great people who are so similar to us. On the other, we learn how to collaborate and embrace all our differences. It's not the first time we have had to figure this out, and we are good at cracking tough problems. If you're like us, this might be the best moment for you to join. You won't just solve business challenges. You'll also leave your mark on the company we're becoming.
You'll enjoy it here if you
Start on what matters without waiting to be asked.
Want to know whether your work moved a number.
Don't need everything set in stone to find your way.
Share an idea even when it might not be popular at first.
If you're looking for a five-person startup, we've outgrown that stage, and we're part of a bigger company now.
Right now, we are exploring our way and redefining how we work as part of the larger Pattern family. It's a fun ride because, on one hand, we work with great people who are so similar to us. On the other, we learn how to collaborate and embrace all our differences. It's not the first time we have had to figure this out, and we are good at cracking tough problems. If you're like us, this might be the best moment for you to join. You won't just solve business challenges. You'll also leave your mark on the company we're becoming.
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