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Compare C17 Lab vs eSterling Ltd

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

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C17 Lab

Cold Email Outreach Website

C17 Lab is a B2B outbound growth agency that builds and scales automated sales engines using AI-powered workflows, cold email, and multi-channel outreach to generate qualified meetings and pipeline.

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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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Feature Comparison

Attribute	C17 Lab	eSterling Ltd
Category	Cold Email Outreach	Cold Email Outreach
Rating	Winner +0.5 higher
Location	San Francisco, California, USA	Birmingham, England, United Kingdom
Services	AI-powered outbound sales systems Cold email campaigns and automation LinkedIn and multi-channel outreach Email infrastructure and deliverability setup Data-driven campaign optimization Outbound lead generation Inbound lead conversion RevOps and sales enablement 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-powered outbound sales systems Cold email campaigns and automation LinkedIn and multi-channel outreach Email infrastructure and deliverability setup Data-driven campaign optimization Outbound lead generation Inbound lead conversion RevOps and sales enablement 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
Industries	SaaS E-commerce VC-backed startups Professional Services Manufacturing & Distribution B2B SaaS for Traditional Industries	B2B Services Ecommerce Legal Services Manufacturing
Pros	Fast lead generation with high-quality, ICP-aligned prospects Tailored AI-powered campaigns that feel 1:1 Strong email deliverability and infrastructure setup Proven track record with case studies showing 400+ meetings in 90 days	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.

See the Free Plan

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