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Compare Ultimate Systems vs Sii Poland

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

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Ultimate Systems Agency logo

Ultimate Systems

Data & Analytics Website

Ultimate Systems is a software and enterprise solutions provider that builds custom backend systems, web, and mobile applications. The company offers full-cycle assistance from design through development, testing, deployment, and support.

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Sii Poland Agency logo

Sii Poland

Data & Analytics Website

Sii Poland is the largest IT and engineering services provider in Poland, with over 3,800 specialists. The company executes technology projects for leading Polish and multinational companies, covering software development, IT infrastructure, product engineering, service desk, training, and testing.

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Feature Comparison

Attribute Ultimate Systems Sii Poland
Category Data & Analytics Data & Analytics
Rating
Winner +5.0 higher
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Location Krakow, Poland Warsaw, Poland
Services
  • UI/UX Design
  • eCommerce Development
  • Software Testing
  • AI Development
  • Blockchain
  • Mobile App Development
  • Software Development
  • Big Data Analytics
  • DevOps Consulting
  • Engineering
  • Business Process Outsourcing
  • Business Consulting
  • Enterprise Applications
  • Business Intelligence
  • Service Desk
  • IT Infrastructure
  • QA and Testing
  • Sii Business Solutions
  • Trainings
  • UI/UX Design
  • eCommerce Development
  • Software Testing
  • AI Development
  • Blockchain
  • Mobile App Development
  • Software Development
  • Big Data Analytics
  • DevOps Consulting
  • Engineering
  • Business Process Outsourcing
  • Business Consulting
  • Enterprise Applications
  • Business Intelligence
  • Service Desk
  • IT Infrastructure
  • QA and Testing
  • Sii Business Solutions
  • Trainings
Industries
Automotive AI Crypto Delivery & Takeaway Construction eCommerce Fintech Finance NFT Hospitality
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Pros
  • Full-cycle project support from design through deployment and support
  • Clients praise project management, timely delivery, and polished web and eCommerce builds
  • Largest IT and engineering services provider in Poland with over 3,800 specialists.
  • Recognized as a Best Workplace in Europe and Poland.
Cons
  • One client noted room for improvement in transparency
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