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Compare Techstack company vs Concept21

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

Techstack company Agency logo

Techstack company

Web Development & Technology Website

Techstack is a strategic technology partner for custom software and mobile development, founded in 2016. The company has 100-249 employees and is headquartered in Wroclaw, Poland.

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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 Techstack company Concept21
Category Web Development & Technology Branding & Design
Rating
Location Wroclaw, Poland Wroclaw, Poland
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • AI Development
  • UI/UX Design
  • Software Testing
  • IoT
  • Staff Augmentation
  • DevOps Consulting
  • SEO
  • eCommerce Development
  • CRO
  • Design Services
  • Digital Strategy
  • Branding
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • AI Development
  • UI/UX Design
  • Software Testing
  • IoT
  • Staff Augmentation
  • DevOps Consulting
  • SEO
  • eCommerce Development
  • CRO
  • Design Services
  • Digital Strategy
  • Branding
Industries
Manufacturing Transportation & Logistics Energy & Mining Health Care Social Networks Construction Agriculture Entertainment Hospitality Nonprofit
Construction Consumer Goods Corporate Services Fintech Food and Beverage Hospitality Insurance Design Fashion eCommerce
Pros
  • Only 2 out of 1,000 applicants join the team, ensuring top-tier talent
  • Holds ISO/IEC 27001:2022 and ISO/IEC 27701:2019 certifications
  • Proven track record across North America, Scandinavia, Europe, and Australia
  • 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.
Website Visit Site Visit Site

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