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Compare ESA Digital Ltd. vs Closed:in

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

Winner

ESA Digital Ltd.

SEO & Organic Growth Website

Award-winning SEO & GEO agency for growing SaaS and Tech companies. Since 2020, their team of Google Trainers has scaled 60+ brands 6-10X across the US, UK, and Europe.

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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	ESA Digital Ltd.	Closed:in
Category	SEO & Organic Growth	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	London, England, United Kingdom	Utrecht
Services	AI Search Optimization LLM optimization SEO Backlink Management International SEO Link Building SEO Consulting Technical SEO Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale	AI Search Optimization LLM optimization SEO Backlink Management International SEO Link Building SEO Consulting Technical SEO 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	SaaS fintech recruitment agencies e-commerce financial services
Pros	High client satisfaction with 4.9 average review rating and consistent positive	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	Small team (10-49) may limit capacity for very large enterprise engagements. Niche focus on SaaS, apps, and tech companies - not ideal for non-tech industries. Starting budget of $5,000 may be high for early-stage 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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Free Plan Available

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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.

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