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Compare Z4 vs POP SEO

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

Winner
Z4

Z4

SEO & Organic Growth Website

Z4 is a Spanish digital agency combining advanced technology with marketing strategies. They specialize in technical SEO, web performance optimization, cybersecurity, and custom web development. With over 15 years of experience, they serve small to enterprise businesses across Spain.

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POP SEO

POP SEO

Paid Advertising & PPC Website

POP SEO provides practical, results-driven search engine optimization for small businesses and professional services firms. Founded by Peter Otte with over 25 years of experience, they specialize in helping law firms, medical practices, accounting firms, nonprofits, and local businesses get found online.

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Feature Comparison

Attribute Z4 POP SEO
Category SEO & Organic Growth Paid Advertising & PPC
Rating
Winner +4.5 higher
-
Location Madrid, Community of Madrid, Spain Santa Barbara, California
Services
  • AI Search Optimization
  • LLM optimization
  • SEO
  • SEO Consulting
  • Wordpress SEO
  • Web Development
  • Web Design
  • Website Maintenance
  • Wordpress Design
  • Local SEO
  • Technical SEO
  • Content Marketing
  • PPC
  • AI Search Optimization
  • LLM optimization
  • SEO
  • SEO Consulting
  • Wordpress SEO
  • Web Development
  • Web Design
  • Website Maintenance
  • Wordpress Design
  • Local SEO
  • Technical SEO
  • Content Marketing
  • PPC
Industries
Ecommerce Logistics Restaurants
B2B Services Legal Services Non-profits
Pros
  • Offers a wide range of digital services from branding to AI, allowing clients to
  • Direct access to senior strategist with 25+ years experience
  • No long-term contracts - month-to-month engagement
  • Transparent monthly reporting with clear metrics
  • Specialized expertise in law firms, nonprofits, and professional services
Cons
  • No public pricing information, making budget estimation difficult without consultation.
  • Small team may limit capacity for large-scale projects
  • No public agency rating or verified reviews on Semrush
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