G2

Verified User in Information Technology and Services

2/11/2026

"KolFil Made SDR Training Fast: Clear Process, Structured Steps, Real Outbound Engine"

5/5

What do you like best about KolFil?

Predictable pipeline, consistency and strategic execution. Review collected by and hosted on G2.com.

What do you dislike about KolFil?

As a CTO of a bootstrapped company, I was hesitant at first, I didn’t think I had 5 hours to train an SDR in just one week. But KolFil’s clear process and structured next steps made it much easier than expected. In fact, after about a month, we had a functioning outbound engine.

Now we’re ready to hire an SDR, and we’re just negotiating the cost 😉. It’s a minor “dislike” that actually shows how disciplined and effective their approach is. Review collected by and hosted on G2.com.

What problems is KolFil solving and how is that benefiting you?

KolFil has solved our biggest challenge: building a consistent, high-quality top-of-funnel in the UK, Germany, and Ireland. Before working with them, outbound prospecting felt unpredictable and took up a lot of time.

With KolFil, we’re now having qualified conversations with the right decision-makers. That’s given us a more predictable pipeline and allowed our internal team to focus on closing deals and driving strategic growth. Overall, it’s transformed cold outreach from a bottleneck into a genuine growth engine. Review collected by and hosted on G2.com.