Compare Concept21 vs Sempai

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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Sempai

Content & Copywriting Website

Sempai is a digital marketing agency specializing in search engine marketing and SEO, helping clients improve online visibility and drive conversions for webshops. The agency holds Google Premium Partner certification and each team member has individual Google Ads and Analytics certifications. Founded in 2006, Sempai serves clients from offices in Kraków, Białystok, and Częstochowa, Poland.

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Feature Comparison

Attribute	Concept21	Sempai
Category	Branding & Design	Content & Copywriting
Rating	Winner +0.8 higher
Location	Wroclaw, Poland	Kraków, Poland
Services	Web Design Web Development SEO eCommerce Development CRO Design Services Mobile App Development Digital Strategy Branding UI/UX Design PPC Digital Marketing eCommerce Content Marketing	Web Design Web Development SEO eCommerce Development CRO Design Services Mobile App Development Digital Strategy Branding UI/UX Design PPC Digital Marketing eCommerce Content Marketing
Industries	Construction Consumer Goods Corporate Services Fintech Food and Beverage Hospitality Insurance Design Fashion eCommerce	-
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.	Google Premium Partner certification Transparent reporting with no hidden costs Up-to-date with Google algorithm changes
Cons	-	Some clients report disappointing return on investment on Google Ads campaigns
Website	Visit Site	Visit Site

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