We'll show you how to attract more customers
A conversation where you'll receive a tailored, actionable plan and learn how Concept21 will help you grow.
Book a diagnostic consultation
What will you learn during
a 30-minute call?
a 30-minute call?
what's holding you back today?
Which actions make the most sense, and which ones aren't worth taking
what your company's growth plan looks like
what's your next step?
A meeting where we'll choose the right path for growth
Most agencies sell pre-packaged solutions. We tailor a plan just for you: we get to know your company, your goals, and your current initiatives so we can identify priorities and determine the best next steps.
Meet the peopleyou'll be talking to
Founder & Owner
Karol Andruszkow
I am the founder of three startups and an advisor to hundreds of companies. I combine my background in computer science and management with over 15 years of experience in sales and business development. On a daily basis, I lead workshops to help entrepreneurs structure their strategy, sales, and online growth.
Client Advisor
Simon Tadel
I have 10 years of experience in sales and client relations. I lived in the U.S. for 30 years, where I ran my own business and worked with diverse client needs—allowing me to quickly understand companies' goals, challenges, and growth opportunities today.
We start with an assessment, then define the strategy
01
Let's talk about your business
We want to learn about your goals and the challenges currently holding back your company's growth.
02
We choose the actions that make sense
We don't try to do everything at once. You'll receive expert advice on where your company's greatest potential lies.
03
You get a clear action plan
You leave with a detailed plan on how to succeed in the market.
What will you take away from this
30-minute call?
A Diagnosis of Your Business
This is not a sales pitch or a general discussion about marketing. It's a focused session where we assess your business situation, your most pressing challenges, past initiatives, and potential avenues for growth.
Real Expertise
You won't be talking to a random salesperson. You'll be speaking with experts who will help you understand your situation, identify core challenges, and choose the best path forward.
This keeps the conversation focused and actionable: fewer generalities, more questions tailored to your business, customers, and goals.
This keeps the conversation focused and actionable: fewer generalities, more questions tailored to your business, customers, and goals.
A Ready-to-Implement Action Plan
After our call, you'll know what to prioritize first, what to avoid from the start, and which steps make the most sense for your business.
Schedule a free consultation
Select a date and get your plan
Concept21 – Your Growth Team
We want to be your growth partner—a team that integrates technology, marketing, and AI where your business will benefit the most.
+15 years
EXPERIENCE
~30
SPECIALISTS
+1300
PROJECTS
The results speak for themselves
Google ads
65 customers from Google Ads
generated for a furniture industry client in 3 months.
Meta ads
Over 3x return on
ad spend
$12,000 in revenue from a $3,600 ad spend for an e-commerce store.
Website optimization
+117% increase in sales
Achieved just 6 weeks after optimizing the client's website.
Areas Where We Help
Websites
We build websites that clearly showcase your offer, stand out in the market, build trust, and encourage customers to get in touch.
Online Stores
We design and develop online stores that simplify shopping, showcase products effectively, and increase online sales.
Brand Building
We refine how your company presents and communicates itself to ensure you are recognizable, credible, and memorable.
Visibility on Google and AI
We help you show up where customers are searching for your business—on Google and across AI search tools.
Traffic & Paid Ads
We run advertising campaigns that generate revenue from day one.
Social Media
We create content that builds trust, showcases your company’s value, and drives customer acquisition.
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 Afryka
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 ratings on:
4.9
4.7
5.0
5.0
4.7
Schedule a consultation with Concept21 team - no strings attached
Owner
Karol Andruszkow
Career Advisor
Simon Tadel
Schedule an Appointment
Choose a date on the calendar
Your partner in growth. We combine technology, AI, and marketing into a single, effective growth strategy.
