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Compare durhamlane vs Closed:in

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durhamlane

B2B Lead Generation Website

durhamlane is a specialist SDR outsourcing agency that transforms lead flow into sales opportunities for ambitious B2B brands. They focus on complex B2B sales cycles with proactive outbound sales development and account-based targeting across the UK, Europe, and North America.

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Closed:in

Cold Email Outreach Website

Closed:in is a cold-email specialist and Clay/Instantly partner building hyper-personalized outbound systems that book meetings and generate pipeline. They use Clay-powered outbound campaigns for B2B service companies to deliver sales calls within 2-3 weeks.

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Feature Comparison

Attribute	durhamlane	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	-	-
Location	N/A	Utrecht
Services	SDR Outsourcing Proactive Outbound Sales Development Account-Based Targeting Lead Conversion and Pipeline Building Custom Outbound Playbook Production White Labelled SDR Teams Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale	SDR Outsourcing Proactive Outbound Sales Development Account-Based Targeting Lead Conversion and Pipeline Building Custom Outbound Playbook Production White Labelled SDR Teams Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale
Industries	-	SaaS fintech recruitment agencies e-commerce financial services
Pros	13 years of specialized SDR outsourcing experience Performance-based commercial models align with client success 30-day onboarding and time to market Native language SDRs covering UK, Europe, and North America	High reply rates on top campaigns (claimed 50%+) Quick pipeline generation (e.g., $190K in 60 days) Official Clay Solutions Partner and Certified Instantly Expert End-to-end automation using Clay and Instantly Trusted by 50+ B2B companies
Cons	-	No client reviews available on Clutch or G2 Small team (1-10 employees) may limit capacity for large-scale campaigns
Website	Visit Site	Visit Site

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