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Compare 305 Spin, Inc. vs Closed:in

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

Winner

305 Spin, Inc.

B2B Lead Generation Website

305 Spin has been building brands online since 1993, offering web development, SEO, SEM, and AI-driven digital marketing. They specialize in creating websites that drive growth and provide exceptional user experience for small to enterprise businesses.

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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	305 Spin, Inc.	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	Steamboat Springs, Colorado	Utrecht
Services	Advertising Display Ads Native Advertising PPC Programmatic Advertising Retargeting and Remarketing Video Marketing Branding Brand Strategy Online Reputation Management Data Analytics Data Science Data Visualization Machine Learning and AI Marketing Advice Inbound Marketing Lead Generation Market Research Outbound 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 Native Advertising PPC Programmatic Advertising Retargeting and Remarketing Video Marketing Branding Brand Strategy Online Reputation Management Data Analytics Data Science Data Visualization Machine Learning and AI Marketing Advice Inbound Marketing Lead Generation Market Research Outbound 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	B2B Services Ecommerce Media & Entertainment Telecommunications Travel & Tourism	SaaS fintech recruitment agencies e-commerce financial services
Pros	Works with a wide range of clients from small businesses to Fortune 500 companies	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	Pricing starts at $2,500, which may be high for very small businesses or startups	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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