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Compare eSterling Ltd vs Closed:in

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

Winner

eSterling Ltd

Cold Email Outreach Website

We help you find your next customer. One of Birmingham's longest established creative agencies, passionate about web design and delivering websites that impress and convert. We build lasting relationships and use digital marketing strategies to help you achieve business goals and increase revenue.

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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	eSterling Ltd	Closed:in
Category	Cold Email Outreach	Cold Email Outreach
Rating	Winner +4.5 higher	-
Location	Birmingham, England, United Kingdom	Utrecht
Services	Advertising PPC Branding Online Reputation Management Content Marketing Content Strategy Copywriting Storytelling Marketing Automation Email Marketing 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 PPC Branding Online Reputation Management Content Marketing Content Strategy Copywriting Storytelling Marketing Automation Email Marketing 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 Legal Services Manufacturing	SaaS fintech recruitment agencies e-commerce financial services
Pros	Strong focus on building long-term relationships and understanding client business	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	Geographic focus is primarily the UK, which may limit appeal for international clients. No transparent pricing tiers or packages listed, making initial budget estimation	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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