Meetings with buyers nobody reaches.In your calendar.
Outbound usually fails where strategy and execution fall apart. At haseln they belong together: a clear strategy first, then experienced operators who execute it every day.
Run by operators from
haseln gets your outbound into the calendar faster. With measurable results.
- >1,000
Meetings booked for our clients in the last 6 months
- +200%
more pipeline on average after the first three months with haseln
- <7 days
to the first booked meeting from campaign launch
Six building blocks that together carry your outbound.
Outbound strategy, execution, optimization – all done for you.
- Week 1
Strategy & discovery
Together we define target buyers, triggers, channels, messaging and success metrics. The foundation everything else stands on.
- Week 2
Campaign build
We research, collect and enrich your lead list. Then we build and review the first campaign.
- Week 3
Launch & steering
Outreach goes live. You get replies, we qualify – and only pass on the good ones.
- From week 3
Transparency in the platform
Every meeting is logged in our platform. You always see which meetings came through us, with status and context – and update the status yourself as deals move.
- Ongoing
Optimize & report
Weekly updates, live feedback, booked meetings. We steer, you sell.

The outbound partner for hard-to-reach markets. With proprietary tech.
- Custom Lead Targeting
- Custom Infrastructure
- Fully Managed Service
Tools send bulk mail. Agencies sell purchased lists. SDRs leave before they can sell. Nobody solves the real problem: strategy and execution fall apart.
That's exactly why haseln exists. First a clear strategy – target buyers, triggers, tools, channels. Then execution – our own data, our own infrastructure, experienced operators. All under one roof. The longer we work together, the sharper the system gets on your business.
Outbound the way it should be: predictable, profitable, painless.
Frequently asked questions about outbound sales
What founders and executives want to know before the strategy call.
Ready to start with haseln?
30 minutes, no strings attached. Together we'll see whether we're the right partner for your outbound.