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Compare Closed:in vs Gigantic Digital Growth

Side-by-side comparison of features, pricing, services, ratings and more.

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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Winner

Gigantic Digital Growth

B2B Lead Generation Website

Gigantic Digital Growth is a data-driven performance marketing agency that helps brands generate sales and qualified leads through strategic digital channel management. With over €200 million in sales generated across real estate, healthcare, education, and energy, they combine business intelligence, paid media, SEO, and conversion optimization to deliver measurable ROI.

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Feature Comparison

Attribute	Closed:in	Gigantic Digital Growth
Category	Cold Email Outreach	B2B Lead Generation
Rating	-	Winner +4.5 higher
Location	Utrecht	Lisbon, Lisbon, Portugal
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 Digital Strategy Business Intelligence Paid Media Management SEO AI SEO CRM & Email Marketing Web Development Lead Generation PPC Market Research APP Store Optimization SEO Consulting Technical SEO	Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale Digital Strategy Business Intelligence Paid Media Management SEO AI SEO CRM & Email Marketing Web Development Lead Generation PPC Market Research APP Store Optimization SEO Consulting Technical SEO
Industries	SaaS fintech recruitment agencies e-commerce financial services	Education Institutions Health & Wellness Real Estate
Pros	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	Strong multi-industry experience in real estate, healthcare, education, and energy. High client satisfaction reflected in a 4.9 rating and positive review.
Cons	No client reviews available on Clutch or G2 Small team (1-10 employees) may limit capacity for large-scale campaigns	Minimum project budget of $10,000 may be prohibitive for small businesses or startups.
Website	Visit Site	Visit Site

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