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Compare Zeroten Oy vs Closed:in

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Zeroten Oy

B2B Lead Generation Website

Zeroten Oy is a Helsinki-based marketing agency that creates conditions for growth through data-driven marketing communications. They specialize in increasing awareness, demand, sales, and market share 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	Zeroten Oy	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	Helsinki, Uusimaa, Finland	Utrecht
Services	Content Marketing Content Strategy Copywriting Marketing Advice Lead Generation Market Research Marketing Automation Email Marketing SEO Backlink Management International SEO Link Building Local SEO Mobile SEO SEO Consulting Search Engine Marketing Technical SEO Wordpress SEO Web Development Graphic Design Logo Design Web Design Wordpress Design Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale	Content Marketing Content Strategy Copywriting Marketing Advice Lead Generation Market Research Marketing Automation Email Marketing SEO Backlink Management International SEO Link Building Local SEO Mobile SEO SEO Consulting Search Engine Marketing Technical SEO Wordpress SEO Web Development Graphic Design Logo Design Web Design Wordpress Design 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 Construction Ecommerce Health & Wellness Manufacturing	SaaS fintech recruitment agencies e-commerce financial services
Pros	Proven track record of high ROI (up to 28,000% in one case) Full-service agency covering strategy, content, SEO, and web development Works with small, mid, and enterprise businesses Client reviews highlight deep understanding and minimal need for briefing	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 focused on the Finnish market No public pricing - projects are custom-quoted	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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