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Compare Fullsix Portugal vs Closed:in

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Winner

Fullsix Portugal

B2B Lead Generation Website

Fullsix Portugal is a leading digital agency with nearly 20 years of experience, specializing in customer experience, strategy, creativity, and technology. With over 150 professionals, they offer a full range of services from strategic planning to advertising, SEO, UX/UI, content, social media, platform development, and media planning.

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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	Fullsix Portugal	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	Lisbon, Lisbon, Portugal	Utrecht
Services	Advertising Display Ads PPC Video Marketing Content Marketing Content Strategy Copywriting Storytelling Data Analytics Data Science Marketing Advice Lead Generation Marketing Automation Email Marketing SEO International SEO Link Building Local SEO Mobile SEO Technical SEO Web Development UX Design Web Design Website Maintenance Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale	Advertising Display Ads PPC Video Marketing Content Marketing Content Strategy Copywriting Storytelling Data Analytics Data Science Marketing Advice Lead Generation Marketing Automation Email Marketing SEO International SEO Link Building Local SEO Mobile SEO Technical SEO Web Development UX Design Web Design Website Maintenance 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	Automotive Fintech Real Estate Transportation Travel & Tourism	SaaS fintech recruitment agencies e-commerce financial services
Pros	Co-founder of the Havas CX network, indicating deep expertise in customer experience	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	Geographic focus is primarily Portugal, limiting appeal for companies needing global	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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Free Plan Available

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