Who We Are
We create outbound campaigns for B2B service companies that want more sales calls within 4 weeks
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We founded closed:in with one goal: to take the pain out of outbound for B2B teams.
Instead of spending hours guessing who to contact, writing cold emails that go unread, or worrying about deliverability, we built a system that handles it all.
Today, our campaigns deliver qualified sales meetings every month for SaaS, e-commerce, and service companies — and we’re just getting started.

Marketing Mastermind
Jurre Groot
With a background in marketing and ecommerce Jurre knows exactly what is needed to trigger responses from your ideal client.
Data Perfectionist
Hi, nice to meet you! I'm Max, co-founder of closed:in. With my background in psychology and entrepreneurship Msc I know how people think and what makes them buy. I combine this with my expertise in Instantly and Clay to create a cold outbound sales machine that gets results.








