software development agency
Your ideas come true with our fullstack magic.
Form concept to code, we transform your vision into reality
Let's talksuccess stories
Wanna talk?
Schedule a free consultation to discuss your project, explore possibilities, and discover how we can help you achieve your business goals with cutting-edge technology.
Revolutionizing TritonLife with a Custom White-Label solution
We empowered StreetKitchen with a high-performance, SEO-optimized, and scalable platform.
Currency exchange platform for Interchange, revolutionizing foreign exchange transactions.
why choose us
Products & Services
Team Augmentation
Scale your development capacity quickly and efficiently with our highly skilled experts. Whether you need additional developers, designers, or specialized IT talent, we seamlessly integrate with your existing team to meet your business objectives.
Project-Based Development
Have a project in mind? We take complete ownership of end-to-end development — from conceptualization to delivery — ensuring robust, scalable, and innovative solutions tailored to your business needs.
Strategic Business Partnership
Beyond just technology, we help shape your business strategy and implementation roadmap. We co-create innovative solutions with you, providing both technical and strategic expertise to transform your ideas into successful ventures.
UI/UX Design
We craft user-centric, visually compelling interfaces that provide seamless user experiences. Our design team focuses on creating products that are not only beautiful but also intuitive and accessible.
Long-Term Business Development Partners
Our goal is to build enduring relationships with our clients. We go beyond project delivery, continuously supporting your growth with strategic insights and technical expertise.
technologies
industries
testimonials
"First of all, Square21 obviously has a team of highly skilled professionals. Besides, their approach is very flexible, very agile. They are focus and make an effort to really understand InterChange's needs."
Isi Schnitzer
Advisor at InterChange
"I`ve worked with several development teams before, and the team at Square21 was definitely one of the best. They are well-prepared, continuously improving, proactive, and flexible. On top of that, they are great individuals on a personal level as well, which plays a key role in ensuring that even under tight deadlines, projects can be delivered smoothly and successfully."
Ferenc Tobákos
Digital Product Director at TritonLife
"Square21 transformed our existing pre-built checkout interface into a modern, highly scalable, fast, and extremely user-friendly solution. They started with a thorough technical audit and concluded with a complete redesign of the interface, allowing us to offer our customers a reliable, easy-to-manage, and future-proof payment process. Throughout the collaboration, we experienced a flexible and proactive approach – it was clear they love what they do – and they supported high-quality execution with valuable professional suggestions. The result exceeded all our expectations – we highly recommend them."
David Fehér
Business Development Director, Nevogate
"I have worked with Daniel and Adam for many years as CTO for PrimeTradingFund, a Dutch hedge fund. They had a high work ethos, were always ready to improve, handled deadlines well, and added significant value to our fund."
Michael Van Es
Founder of PrimeTrading Fund
contact
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