Closed:in

Closed:in is a boutique cold-email/outbound agency that automates end-to-end outreach using Clay, Instantly and other tools. Their site and founder posts highlight campaign ops, high reply rates on top campaigns (claimed 50%+ on best-performers), and case studies showing quick pipeline generation (e.g., $190K in pipeline in 60 days). They position themselves as practitioners of high-volume, hyper-personalized email outreach and reply handling systems (using automation to route and qualify replies). The team publishes operational walkthroughs and leverages Clay/Instantly certifications as part of their credibility.

Services

Cold email campaign design & ops

Prospect sourcing & enrichment (Clay stacks)

Deliverability engineering & inbox landing

Reply qualification workflows & appointment setting

Template + sequence personalization at scale

Summary of Clients’ Reviews

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