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Compare Fidelitas Development vs Closed:in

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Fidelitas Development

B2B Lead Generation Website

Fidelitas Development is a full-service marketing, advertising, and public relations agency that helps clients build brand loyalty. Founded in 2008, it serves CPG, retail, eCommerce, luxury, and sporting goods brands with ROI-driven campaigns.

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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	Fidelitas Development	Closed:in
Category	B2B Lead Generation	Cold Email Outreach
Rating	-	-
Location	San Diego, California	Utrecht
Services	Advertising Display Ads Native Advertising PPC Programmatic Advertising Retargeting and Remarketing Video Marketing Amazon Marketing Amazon Advertising Amazon SEO Branding Brand Strategy Online Reputation Management Content Marketing Content Strategy Content Syndication Copywriting Storytelling Video Production Data Analytics Data Science Data Visualization Machine Learning and AI Marketing Advice Inbound Marketing Lead Generation Market Research Outbound Marketing Marketing Automation Email Marketing Public Relations Corporate Communications Influencer Marketing SEO International SEO Link Building Local SEO Mobile SEO Technical SEO Social Media Marketing Community Management Content Creation Social Media Monitoring 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 Amazon Marketing Amazon Advertising Amazon SEO Branding Brand Strategy Online Reputation Management Content Marketing Content Strategy Content Syndication Copywriting Storytelling Video Production Data Analytics Data Science Data Visualization Machine Learning and AI Marketing Advice Inbound Marketing Lead Generation Market Research Outbound Marketing Marketing Automation Email Marketing Public Relations Corporate Communications Influencer Marketing SEO International SEO Link Building Local SEO Mobile SEO Technical SEO Social Media Marketing Community Management Content Creation Social Media Monitoring 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 B2B Services Fashion Retail Fintech Health & Wellness	SaaS fintech recruitment agencies e-commerce financial services
Pros	Serves both B2B and B2C clients across diverse industries including CPG, retail,	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	Team size of 10-49 may limit capacity for very large enterprise accounts requiring	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

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

See the Free Plan

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