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CONCEPT 21 Reviews & Provider Details

Concept21 | Digital Agency We are a team of specialists building custom websites and high-converting landing pages, delivering conversion-focused SEO and AI-powered automation to drive real business growth. 🗂️ With over 1,500 projects completed, we’ve learned what truly helps businesses grow. No buzzwords. No empty promises. Just clear strategies, smart tools, and results that matter. 🎯 Have a challenge? Let's solve it. 🤝 Need support? Well 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, well work together to make them happen. ✅ Our offer Website Development Landing Page Development Multi Language Website & SEO Applications Development Business Development & Growth Strategy SEO Conversion Rate Optimization Lead Generation Campaigns Ready to grow? 🌱 Let’s build something remarkable - together 🤝

Seller

Karol Andruszków

Languages Supported

English, Polish

Provider Description

Your business deserves a website at least as good as the value you give your customers. You know it, but due to endless tasks, you never have time to change it. We understand how vital a website is for the success of your company. Why? Having completed more than 1300 projects, we realized that website is not a goal but a way to achieve goals! A professional website is there not to ruin your business when you lose customers from recommendations who, after entering your website, do not decide to contact you. Or you had great meetings with potential customers who suddenly withdraw and disconnect with them. Finally, a professional website is there to attract new customers from the Internet, gain their trust and ultimately contact you or make a purchase! We understand business. We understand you. That's why we deliver websites and online stores, always above your expectations, without waste of your time.

Overview by

Karol Andruszkow (CEO at BOWWE.com & Ulan Software)

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CONCEPT 21 Reviews (3)

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MB

Michalina B.

Small-Business (50 or fewer emp.)

8/16/2025

"Great and professional agency that understands business"

5/5

What do you like best about CONCEPT 21?

Beautiful and professional design.

Excellent cooperation and understanding.

Excellent communication – we felt very well taken care of from start to finish.

Excellent business understanding.

The website was created after a thorough analysis and with great attention to every detail, every subpage, and even every sentence on the website.

Excellent turnaround time – the project took 27 days. Review collected by and hosted on G2.com.

What do you dislike about CONCEPT 21?

Everything was perfect for us. It would have been nice if the project had been done a bit cheaper, but they also put in a lot of work. Review collected by and hosted on G2.com.

Recommendations to others considering CONCEPT 21:

We definitely recommend concept21 to other clients, primarily for their professionalism, extensive experience, and understanding of the business and what's important to us and our clients.

I believe Concept21's value for money is excellent. They have a beautiful design and the contact with them is very good and pleasant, they never put pressure on us and we did not feel pressured into services that we did not need Review collected by and hosted on G2.com.

What problems is CONCEPT 21 solving and how is that benefiting you?

A great and professional agency that understands business.

Concept21 created a website for us, which is the foundation for our company's successful business development. We are a manufacturer of custom furniture, and many of our clients verify us online. Purchasing furniture is a significant expense, so trust and confidence in our professionalism are paramount. Therefore, we need a website that perfectly meets these needs, is also visually appealing, but at the same time doesn't scare us into thinking we'll be very expensive. Review collected by and hosted on G2.com.

KD

Krzysztof D.

Kierownik Działu Organizacji Kongresów i Konferencji

Small-Business (50 or fewer emp.)

10/24/2023

"Creating the concept and designing the website"

5/5

What do you like best about CONCEPT 21?

communication

trouble-free

intuitiveness

speed of operation

creativity

knowledge

experience Review collected by and hosted on G2.com.

What do you dislike about CONCEPT 21?

It is difficult to find weaknesses in cooperation Review collected by and hosted on G2.com.

Recommendations to others considering CONCEPT 21:

I recommend cooperation with this company. A company that is not afraid of challenges, understands the client's expectations very accurately, provides efficient and competent support during the project implementation and offers support after its completion. Review collected by and hosted on G2.com.

What problems is CONCEPT 21 solving and how is that benefiting you?

Creating a multifunctional website that contains many sections for presenting business events. The website was supposed to be intuitive for participants and easy to use for the organizer. Review collected by and hosted on G2.com.