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Compare Zinc Digital vs Closed:in

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Winner

Zinc Digital

B2B Lead Generation Website

Zinc Digital is a full-service digital marketing agency based in Northampton, UK, specializing in web design, SEO, PPC, and social media management. With over 20 years of experience, they focus on collaborative strategies and data-led marketing to drive results for businesses of all sizes.

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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	Zinc Digital	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	Northampton, England, United Kingdom	Utrecht
Services	Web Design & Development Search Engine Optimization (SEO) Pay-Per-Click Advertising (PPC) Social Media Marketing Content Marketing Branding & Strategy Data Analytics & AI Email Marketing Lead Generation Marketing Automation Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale	Web Design & Development Search Engine Optimization (SEO) Pay-Per-Click Advertising (PPC) Social Media Marketing Content Marketing Branding & Strategy Data Analytics & AI Email Marketing Lead Generation Marketing Automation 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	B2B Services Education Government Manufacturing Real Estate	SaaS fintech recruitment agencies e-commerce financial services
Pros	High client satisfaction with a 4.7 rating from 60 reviews 20+ years of experience in digital marketing Full-service capabilities from web design to AI optimization Collaborative approach with clear communication and training	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	Primarily UK-focused, may not suit international clients No pricing transparency beyond starting budget, custom quotes required	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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