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Compare NVT vs Concept21

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

NVT Agency logo

NVT

Web Development & Technology Website

NVT is a Polish software development company founded in 2007, delivering custom software, mobile apps, and e-commerce platforms for enterprise and mid-size clients. The firm provides full-cycle support from analysis and design through implementation, testing, and 24/7 maintenance with SLA up to 99.99%.

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Winner
Concept21 Agency logo

Concept21

Branding & Design Website

Concept21 is a full-spectrum digital agency based in Wroclaw, Poland, founded in 2015. The team of 50-99 employees has completed over 1,500 projects across web design, development, eCommerce, SEO, branding, and digital strategy.

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Feature Comparison

Attribute NVT Concept21
Category Web Development & Technology Branding & Design
Rating
Winner +0.8 higher
Location Warsaw, Poland Wroclaw, Poland
Services
  • Custom Software Analysis and Designing
  • Software Development
  • Enterprise Software Integration
  • Technology Consultancy
  • Software Security
  • Testing & QA
  • Software Implementation
  • Maintenance and Support
  • Research & Development Center
  • Web Design
  • Web Development
  • SEO
  • eCommerce Development
  • CRO
  • Design Services
  • Mobile App Development
  • Digital Strategy
  • Branding
  • UI/UX Design
  • Custom Software Analysis and Designing
  • Software Development
  • Enterprise Software Integration
  • Technology Consultancy
  • Software Security
  • Testing & QA
  • Software Implementation
  • Maintenance and Support
  • Research & Development Center
  • Web Design
  • Web Development
  • SEO
  • eCommerce Development
  • CRO
  • Design Services
  • Mobile App Development
  • Digital Strategy
  • Branding
  • UI/UX Design
Industries
Telecommunications Energy Insurance Fitness E-commerce Music Healthcare
Construction Consumer Goods Corporate Services Fintech Food and Beverage Hospitality Insurance Design Fashion eCommerce
Pros
  • Multiple clients report on-time delivery and professional collaboration across long-term engagements
  • Full-cycle support from analysis and design through implementation, testing, and 24/7 maintenance
  • Broad portfolio spanning CRM, e-commerce, mobile apps, and telecom provisioning systems
  • Google reviewers praise clear communication, responsiveness, and reliability.
  • Co-founders bring 15+ and 14+ years of experience in eCommerce, marketplace technology, Java, and financial systems.
  • Client list includes Allianz, Walmart, IKEA, Visa, Hilton, and Accor.
Cons
  • One Google reviewer reported poor code quality and recurring problems with fixes
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