Mystrika
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.
Concept21 is a full-spectrum digital agency headquartered in Wroclaw, Poland, focused on taking projects from strategy to implementation. Founded in 2015, the company has completed over 1,500 projects and describes its approach as clear strategies, smart tools, and solutions that deliver real results rather than buzzwords or empty promises.
The agency employs 50 to 99 people, works with a minimum budget of $1,000 - $10,000, and charges an average hourly rate of $49. Co-founder and CEO Karol Andruszkow has more than 15 years in eCommerce, marketplace technology, and IT, while co-founder and CTO Wojciech Andruszkow brings over 14 years of experience in Java and financial systems, including work on large projects for Standard Chartered, UBS, RBS, and NatWest.
Concept21's service offering spans web design, web development, SEO, eCommerce development, CRO, design services, mobile app development, digital strategy, branding, and UI/UX design. Areas of expertise include custom languages such as C, C#, C++, Java, PHP, and Unity, plus no-code development, Android and iPhone apps, lead generation, marketing strategy, multilingual SEO, UX research, usability testing, and Shopify Plus eCommerce.
The agency serves construction, consumer goods, corporate services, fintech, food and beverage, hospitality, insurance, design, fashion, and eCommerce. Its client base ranges from startups and small businesses to medium businesses and enterprise or corporate organizations, with named clients including Allianz, Walmart, Zubrowka, IKEA, Visa, Accor, Skanska, and Hilton.
Concept21 holds a 5.0 Google rating across three reviews. Reviewers describe the collaboration as smooth, communicative, responsive, and proactive, with fast website delivery and strong attention to detail. The profile also shows a 4.5 DesignRush review score based on two verified reviews.
Representative portfolio work includes digital strategy projects for Mizz Korea and Zubrowka, healthcare website development for United Trials, a SaaS site for Owl Sentry, a software house website for Ulan Software, and web development for PATBUD. These featured projects typically ran one to three months with budgets of $5K - $20K, completed between 2020 and 2025.
Services
- Web Design
- Web Development
- SEO
- eCommerce Development
- CRO
- Design Services
- Mobile App Development
- Digital Strategy
- Branding
- UI/UX Design
Industries Served
Team Size
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.
Client Review Analysis
Google reviewers give Concept21 5.0 and highlight smooth communication, fast delivery, attention to detail, and proactive collaboration.