Compare Altar.io vs Link 37

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

Winner

Altar.io

Branding & Design Website

Altar.io is an award-winning product and software development company founded in 2015 by ex-startup founders. The agency builds user-centric software products for clients across fintech, AI, music, finance, entertainment, and arts. Headquartered in Lisbon, it also has offices in London and Milan.

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Link 37

Cold Email Outreach Website

Link 37 is a HubSpot Solutions Partner specializing in complex implementations and system integrations. The agency connects HubSpot to ERPs, custom databases, and operational systems for industrial and manufacturing companies across Portugal and Spain. They offer CRM consulting, SEO, email marketing, advertising, eCommerce development, web design, AI development, digital strategy, UI/UX design, and software development.

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Feature Comparison

Attribute	Altar.io	Link 37
Category	Branding & Design	Cold Email Outreach
Rating	Winner +5.0 higher	-
Location	Lisbon, Portugal	Lisbon, Portugal
Services	Software Development Mobile App Development AI Development Product Design UI/UX Design IT Services CRM Consulting SEO Email Marketing Advertising eCommerce Development Web Design Digital Strategy	Software Development Mobile App Development AI Development Product Design UI/UX Design IT Services CRM Consulting SEO Email Marketing Advertising eCommerce Development Web Design Digital Strategy
Industries	Fintech AI Music Finance Entertainment Arts	Legal eCommerce Real Estate Retail Software & IT Services Finance Education Corporate Services Fintech Travel
Pros	Co-founder mentality that works as an extended team of co-founders with extreme transparency and close communication Lean methodologies that produce the smallest viable product for quick time to market Two-thirds of clients have achieved VC funding in an ecosystem where only about 0.05% of startups reach that milestone Award-winning work including Swiss Startup of the Year and Fast Company's 10 Most Innovative Companies	HubSpot Solutions Partner with expertise in complex integrations and custom middleware development Supports clients in Portuguese, Spanish, and English
Website	Visit Site	Visit Site

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