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Compare eSterling Ltd vs Simplex

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

eSterling Ltd

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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Simplex

Simplex

B2B Lead Generation Website

Simplex is a global pioneer in SEO technology, using proprietary software and AI to automate page creation and drive organic growth. They help mid-market and enterprise businesses scale traffic, conversions, and revenue with data-driven strategies.

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Feature Comparison

Attribute eSterling Ltd Simplex
Category Cold Email Outreach B2B Lead Generation
Rating
Location Birmingham, England, United Kingdom Sao Paulo, State of Sao Paulo, Brazil
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
  • Display Ads
  • Data Analytics
  • Data Science
  • Data Visualization
  • Marketing Advice
  • Lead Generation
  • Market Research
  • International SEO
  • SEO Consulting
  • 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
  • Display Ads
  • Data Analytics
  • Data Science
  • Data Visualization
  • Marketing Advice
  • Lead Generation
  • Market Research
  • International SEO
  • SEO Consulting
Industries
B2B Services Ecommerce Legal Services Manufacturing
Architecture Ecommerce Fashion Retail Fintech Travel & Tourism
Pros
  • Strong focus on building long-term relationships and understanding client business
  • Proprietary Indexa software automates SEO page creation at scale, reducing IT dependency.
  • Proven track record with major brands like Leroy Merlin, Carrefour, and Sephora.
  • Data-driven approach with AI and machine learning for sustained organic growth.
  • Strong results: 2M monthly visits for Leroy Merlin Italy, 30% above average conversions.
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
  • Higher budget threshold (starting at $5,000) may not suit small businesses.
  • Focus on mid-market and enterprise limits appeal for startups or local-only companies.
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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