Let's
something epic together

Welcome to 21CN Software & Testing House.
For over 10 years, we have developed effective methods of improving software quality, giving you a competitive advantage and helping you succeed.

Estimate your project
Artboard

We stand up for quality considering it as a priority. We create, test, design and we care!

We keep an eye on every part of the product lifecycle.

We give our clients the creative, technical and business support, by helping to build your web and mobile applications, providing specialists for the project and also confirming that your software complies with the guidelines and standards.
service

Create beautiful, fast and secure web applications tailored exclusively for your business goals.

Tworzymy nowoczesne i bezpieczne aplikacje webowe dopasowane do celów Twojego biznesu.

PHP Symfony Laravel Slim Zend Framework JS jQuery Vue TypeScript Bootstrap
service

Build well-designed and optimized custom mobile applications with a delightful UX for both Android and iOS.

Budujemy dopracowane, zoptymalizowane aplikacje mobilne, zaprojektowane z myślą o wygodzie użytkownika – dla systemów Android oraz iOS.

Android iOS
service

Our specialists make sure the product is released bug-free and that it provides users with a flawless experience.

Nasi specjaliści dbają o to, by produkt trafił na rynek bez defektów i zapewniał użytkownikom płynne, wygodne działanie.

Software testing Test automation Business process support
service

We will help you implement and improve your new tech stack from the very beginning to a final shipment of an efficient and scalable product.

Pomożemy Ci wybrać właściwe technologie i zoptymalizować Twój kod, aby produkt był wydajny, skalowalny i gotowy na rozwój.

Analysis Code Review Risk Calculation
service

Our developers and testers complement or replace existing teams entirely. Scalable teams from start-to-finish. Developers, Product Designers, Project Managers or QA Engineers

Nasi programiści i testerzy wzmocnią Twój zespół lub w pełni go zastąpią. Zapewniamy elastycznie skalowane zespoły – developerów, projektantów produktu, managerów projektu i inżynierów ds. jakości.

Whole team or individual employee Professional support Flexibility Team customization
service

Branding is more than a logo! Effective branding includes naming and trademarks, color palettes, graphic themes. And yes, logos.

Branding to coś więcej niż logo – to nazewnictwo, znaki towarowe, dobrana paleta kolorów i spójne motywy graficzne, które tworzą pełną tożsamość Twojej marki.

Visual brand identity UX/UI design

Case studies

Our portfolio speaks for itself. And this is some of our projects.
New Port
→ Web development

Real Estate Company

Dedicated platform for Hamilton May, fully licensed real estate company offering services primarily in the premium residential sector in sales, leasing and property management.

Visit website →
MITC
→ Web development -> Slim / Laravel -> Bootstrap

Practical Exam platform

MITC is a practical exam platform for IT professionals that verifies their practical skills. It simulates real-world software testing scenarios, putting your skills to the test in a simulated working environment.

Visit website →
testerzy.pl
-> Web Development -> Slim / Laravel -> Bootstrap

testerzy.pl

Platform dedicated to share knowledge and offer services in the area of software testing.

Visit website →
New Port
→ Web development -> Slim / Laravel -> Bootstrap

Exam distribution platform

Exam distribution platform dedicated to IT specialists who, on their career path, want to confirm acquired knowledge and competencies through certification.

Visit website →
Order Manager
-> Web & Mobile Development -> Android

Order Manager

With understanding for business needs, this time we focused on the catering industry, and our new project is an online store with a mobile application that is used to accept and manage orders.

Mr Buggy
-> Mobile Development -> Android -> iOS

Mr Buggy

A family of applications shared for the purpose of testing education and served as tasks during subsequent editions of TestingCup - Championship in Software Testing.

Visit website →
Aleo
-> Quality Assurance -> Software testing

Aleo

An up-to-date online database of companies where you can find reliable business partners, verify their data and check the ratings and opinions of their contractors.

Visit website →
Kafëbë
→ Brand Identity → Restaurant

Kafëbë - Coffee & Bistro

Kafëbë is a cozy cafe bistro in the heart of Gdańsk's for which we have made a full visual brand identity.

Visit website →
New Port
→ Brand Identity → Restaurant

New Port

We have made a full visual brand identity for the new restaurant located in the new port in Gdańsk.

Our many years of experience have taught us one thing:
never stop growing!

we are waiting for your reviews :-)
By working with us, you will gain:
  • Knowledge and experience
  • Professionalism and high efficiency
  • Individual approach to the project
  • Flexibility of service delivery
„ I’m not humble saying this, but when it comes to software quality, we are high-end experts. Growing from the area of quality control, we have transformed into Software & Testing House to deliver software of outstanding quality.
Radek Smilgin
Radek Smilgin CEO

Ok, so how can we help you?

Fill out and send a form. Our Sales Team will contact you promptly.
Concept of solution:
What service do you want to use?
When would you like to start?
Project description *
Personal data *
Send a request Sending...Done!
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Please be advised that the administrator of your data is 21CN Radosław Smilgin with headquarters in Gdańsk, ul. Nadwiślańska 124A. The data is collected for the purposes of answering and / or further implementing the inquiry. You have the right to access your data and correct it.

* Required
Photo Photo Photo Photo Photo Photo Photo