Compare Concept21 vs Kozak Group

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

Winner

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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Kozak Group

Data & Analytics Website

Kozak Group is an eCommerce development firm founded in 2015 that builds scalable B2B eCommerce platforms and business-critical web and mobile applications. The agency specializes in Magento, Shopify, and WooCommerce, with additional expertise in AI, conversion optimization, staff augmentation, and software development.

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Feature Comparison

Attribute	Concept21	Kozak Group
Category	Branding & Design	Data & Analytics
Rating	Winner +5.0 higher	-
Location	Wroclaw, Poland	Krakow, Poland
Services	Web Design Web Development SEO eCommerce Development CRO Design Services Mobile App Development Digital Strategy Branding UI/UX Design AI Development Staff Augmentation Software Development	Web Design Web Development SEO eCommerce Development CRO Design Services Mobile App Development Digital Strategy Branding UI/UX Design AI Development Staff Augmentation Software Development
Industries	Construction Consumer Goods Corporate Services Fintech Food and Beverage Hospitality Insurance Design Fashion eCommerce	eCommerce Automotive Luxury Fintech Food and Beverage Fashion Electronics Consumer Goods Beauty Corporate Services
Pros	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.	Websites consistently achieve 90+ scores on Google PageSpeed Insights Over 11 years of eCommerce development experience serving clients such as Nestle and HP Full lifecycle eCommerce services from strategy and UI/UX design to development and post-launch optimization
Website	Visit Site	Visit Site

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