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closed:in

closed:in

Artisan
Amsterdam, Netherlands
Expertise
  • AI Outbound
  • TAM Sourcing / Prospecting / List-Building
ICPs
  • Early stage startups (seed-Series A)
  • Growth stage startups (Series B-C)
Industry
  • SaaS
  • B2B
  • E-commerce
Language
  • English
  • Dutch
Pricing
  • $5k+ a month
Minimum Engagement
  • 3 months
Support
Max Münstermann

Clay driven GTM systems that scale without extra hands

At closed:in, we help B2B service companies scale their outbound without scaling their team. Think of us as the crew behind the scenes making sure your prospects actually see your emails, open them, and most importantly, book the call.

We build fully done-for-you outbound systems powered by Clay: sharp ICP research, waterfall-enriched lead lists, personalized first-lines, smart automations, and the kind of deliverability setup only people who genuinely enjoy DNS records would bother with. Clay workflows, enrichment wizardry, and multi channel outreach through E-mail, Linkedin and Instagram.

Our campaigns are hyper-targeted, data-backed, and optimized for conversions, not vanity metrics. No spray and pray, no mass-blasting strangers hoping for a miracle. Just clean lists, strong copy, and a system that works quietly and reliably in the background.

If you want more booked calls, fewer moving parts, and an outreach setup that doesn’t fall apart the moment you stop watching it, we have you covered. And yes, we genuinely enjoy all the technical stuff so you don’t have to.

"Closed:in's strategic approach to lead qualification made sure that we got to spend time on the leads that actually mattered. Result: we saved time while conversions and deals closed grew."

Lothan & Afik Men
Founders at brosmen

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