
Who We Are?
[ Driven by Results,
Powered by Expertise ]
Powered by Expertise ]



We’re a team that believes in doing things right—no buzzwords, no empty promises. With over 1,300 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.
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
+1300
Successfully launched projects
+155k
leads generated
15
years in business
More results
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.

The number 21 also symbolizes the 21st century, reflecting our commitment to delivering cutting-edge concepts and the highest-quality solutions.

In numerology, the number 21 is associated with creativity, independence, and personal growth. It signifies positive change and the expansion of horizons.
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


Marcel
Graphic Designer


Adrian
Growth Hacker


Maciej
Web Developer


Alina
Graphic Designer


Michalina
Project Manager


Marta
Growth Hacker


Jose
Fullstack Developer


Paulina
Social Media Specialist


Hubert
Fullstack Web Developer


Dmytro
Web Developer


Gabriela
SEO Specialist

Join our deck as the next card, and you're guaranteed to play
WITH THE BEST!
Let’s Connect
Clients’ reviews
Joe Stocker
Patriot Consulting

I'm very happy with the website that CONCEPT developed for my company. We are constantly receiving compliments from our clients and partners. The CRM is easy to use and a major differentiator on why we selected Concept.
Holger Vogt
Amena Africa

We contracted CONCEPT to develop a new website for us. The results were outstanding and we are very happy with the new design, functions and structure of the website. The CONCEPT team was super helpful in guiding us on our journey to our new website and are still supporting us after. I can highly recommend their team and services to anyone else in the industry.
Patrick Misiewicz
Polrydian group

I'm a real estate professional, moving my business to the digital/metaverse, which is not such an easy thing to do for busy professionals. That's where CONCEPT came to play, making my www.viewmiamiproperties.com fresh and crispy for my real estate digital campaigns. No matter what business you are in, their personalized and agile approach will make your digital business card look awesome.
Andrea Shaw
The Leasing Academy

The team at Concept21 made great recommendations for my website and helped clarify my messaging for services. I'm very happy with my completed website and appreciate the continued help and guidance they provide even after it has been completed. A great value for the cost!
Wojciech Nowotnik
Enerace

Great staff! Very good reaction and value for money. The entire process was smooth. I can recommend CONCEPT as a reliable partner.
Rafał Zimoch
WhooWhoo

CONCEPT has helped us to start a new webpage/ landing page. Thanks to them we have more than 100% more new B2B leads. Great job CONCEPT!!!!
Paul Mekkering
Nanoflam

I would definitely recommend CONCEPT to anyone who is looking for a very good quality-price web designer. Quick responses, clear and open meetings, reliable, and when the website is running it is easy to make changes yourself. THANKS!
Raquel Barrera Moreno
Diversitas Institute

I totally recommend CONCEPT if you are looking for a reliable and excellent quality-price web designer. A dynamic and professional team that has helped me in the design of my website. Their designs are very modern and the quality and usability of the tools to update the contents are amazing.
Bert Goren
Roxycomms

I had an amazing experience working with CONCEPT on making my new website. Darek was very responsive and had great tips to make things better. I am very happy with the result as well as the professional approach from beginning to end.
Xhulio Bedulla
Xhuli Bre Lalke Shop

Concept21 successfully created and launched a website, which positively impacted the business growth. The team conducted regular meetings to understand the needs and requirements. Their development prowess was critical to the project's success. After releasing the website, my business started to grow, a lot of customers were writing and asking for our services through the website. I can say that helped me a lot.
Dawid Mitera
BudEM sp. z o. o.

We praised the site for its improved look and performance, which resulted in a 50% increase in our site traffic. Concept21 exhibited a keen understanding of the goals, allowing them to deliver professional-looking designs that matched our vision.
Alfonso García
CHULOGO

We were pleased with Concept21 for providing impeccable design skills. The team executed a smooth workflow through, timeliness, effective communication, and an agile methodology. They strove to deliver optimal solutions that ensured the project's success.
Montse Alcalá Bayona
Lovely´s

Concept21 implemented the designs easily, which improved the website's appearance and increased traffic by 60%. The team showed an exceptional understanding of our needs and communicated easily. Overall, they positively surprised us with their top-notch and efficient services.
Our reviews on:
4.9
4.7
5.0
5.0
4.7
Our clients
Let’s Talk About Working Together
Choose our office:
choose the option
- North America
- South America
- Europe
