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Compare eSterling Ltd vs Astra GTM

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

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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Winner

Astra GTM

B2B Lead Generation Website

Astra GTM is a GTM engineering studio building AI-assisted outbound plays, RevOps, and infrastructure for early-stage B2B companies.

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Feature Comparison

Attribute	eSterling Ltd	Astra GTM
Category	Cold Email Outreach	B2B Lead Generation
Rating		Winner +0.5 higher
Location	Birmingham, England, United Kingdom	California, USA
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 AI-enabled outbound play design RevOps & CRM hygiene/automation Clay / tooling integrations & workflows ICP/TAM modelling & list building Copy + sequence architecture & deliverability Training / handover for internal teams	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 AI-enabled outbound play design RevOps & CRM hygiene/automation Clay / tooling integrations & workflows ICP/TAM modelling & list building Copy + sequence architecture & deliverability Training / handover for internal teams
Industries	B2B Services Ecommerce Legal Services Manufacturing	-
Pros	Strong focus on building long-term relationships and understanding client business	-
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	-
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.

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