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Compare Upwork vs Z4

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

Upwork

Upwork

B2B Lead Generation Website

Upwork is a global online work marketplace that connects businesses with independent professionals and agencies across thousands of skills, helping companies hire and manage freelance and full-time talent on demand.

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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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Feature Comparison

Attribute Upwork Z4
Category B2B Lead Generation SEO & Organic Growth
Rating
Location Palo Alto, California, USA Madrid, Community of Madrid, Spain
Features
  • Enterprise and Business Plus tiers add structured governance, analytics, and program
  • Enterprise and Business Plus tiers add structured governance, analytics, and program
Services
  • AI Search Optimization
  • LLM optimization
  • SEO
  • SEO Consulting
  • Wordpress SEO
  • Web Development
  • Web Design
  • Website Maintenance
  • Wordpress Design
  • AI Search Optimization
  • LLM optimization
  • SEO
  • SEO Consulting
  • Wordpress SEO
  • Web Development
  • Web Design
  • Website Maintenance
  • Wordpress Design
Industries
-
Ecommerce Logistics Restaurants
Pros
  • Strong filters and search tools (including location and badge filters) that help
  • Offers a wide range of digital services from branding to AI, allowing clients to
Cons
  • Some concerns about account suspensions, policy enforcement, and dispute resolution
  • No public pricing information, making budget estimation difficult without consultation.
Website Visit Site Visit Site

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