Who We Are?


[ Driven by Results,
​Powered by Expertise ]
We’re a team that believes in doing things right—no buzzwords, no empty promises. With over 1,500 projects under our belt, we’ve learned exactly what businesses need to grow and succeed. Our focus? Clear strategies, smart tools, and solutions that deliver real results.



​Have a challenge? Let’s solve it. Need support? We’ll handle it. From helping you stand out online to streamlining your operations, we’re here to drive meaningful progress for your business. Whatever your goals, we’ll work together to make them happen​.

Concept21 in numbers


+1500
Successfully launched projects
+155k
leads generated
15
years in business
For a SaaS startup, we reached 75,000 signups

without spending a single dollar on advertising!

Why did we
choose the name CONCEPT21?

At Concept21, the number 21 symbolizes victory, just like in Blackjack, where hitting 21 is the ultimate win. In the same way, we partner with our clients, working as a team to outsmart the market and secure success together.

Meet our leaders:


Karol Andruszkow
CO-OWNER & CEO
Dmytro
UI/UX Designer
Wiktor
Business Analyst
Wojciech Andruszkow
CO-OWNER & CTO
Karolina
Content Specialist
Natalia
Social Media Specialist
Yakiv
Web Developer
Krzysztof
UI/UX & Graphic Designer
Max
UI/UX Designer
Pawel
SEO Specialist
Maciej
Web Developer
Alina
Graphic Designer
Join our deck as the next card, and you're guaranteed to play

WITH THE BEST!

Let’s Connect

Let’s Talk About Working Together
Choose our office:
choose the option
  • North America
  • South America
  • Europe