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Compare Quantum vs Selleo

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

Quantum Agency logo

Quantum

Data & Analytics Website

Quantum is a data-driven solutions agency with over 10 years of experience. It has completed 200+ commercial and R&D projects worldwide and employs 60+ data engineers, architects, analysts, and researchers. The agency is a Certified AWS Partner.

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Winner
Selleo Agency logo

Selleo

Web Development & Technology Website

Selleo is a software development company founded in 2005 with 100-249 employees. They have delivered over 150 projects for clients in Europe, the US, Canada, and Australia. Their expertise includes Ruby on Rails, ReactJS, React Native, EmberJS, and Elixir.

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Feature Comparison

Attribute Quantum Selleo
Category Data & Analytics Web Development & Technology
Rating -
Winner +4.7 higher
Location Warsaw, Poland Bielsko-Biala, Poland
Services
  • Custom software development for AI-driven platforms
  • Data engineering & MLOps (pipelines, cloud infrastructure, DevOps)
  • Generative AI & LLMs (including RAG, GPT-based apps, document intelligence)
  • Technology consulting & full-cycle R&D
  • Staff Augmentation
  • Mobile App Development
  • Software Development
  • Web Design
  • UI/UX Design
  • Cloud Consulting
  • Software Testing
  • AI Development
  • DevOps Consulting
  • Custom software development for AI-driven platforms
  • Data engineering & MLOps (pipelines, cloud infrastructure, DevOps)
  • Generative AI & LLMs (including RAG, GPT-based apps, document intelligence)
  • Technology consulting & full-cycle R&D
  • Staff Augmentation
  • Mobile App Development
  • Software Development
  • Web Design
  • UI/UX Design
  • Cloud Consulting
  • Software Testing
  • AI Development
  • DevOps Consulting
Industries
Health Care Agriculture Finance Fintech Software & IT Services Sports Transportation & Logistics Manufacturing Hardware & Networking
Real Estate Health Care Fintech HR Higher Education Finance Education Design Software & IT Services
Pros
  • Certified AWS Partner
  • In-house Data Science Center of Excellence with Kaggle Grandmaster
  • Completed 200+ commercial and R&D projects
  • Long-term client partnerships exceeding 6 years
  • Clients describe the team as a natural extension of their own, collaborative and invested.
  • Helped one client scale from $0.5m to $40m in revenue.
  • High standards and positive attitude toward employees and clients.
Cons -
  • One client reported poor communication, repeated missed timelines, and poor quality, resulting in a $20k loss.
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