Hire In-Demand Skills, On-Demand.

Accelerate your digital transformation with Unionstack.

Unionstack is a one-stop-shop for all your digital needs. We're experts in web development, eCommerce, and mobile app development. Let's get together and discuss the best approach to your software solution.

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The best team to build your web, mobile, and custom software

Unionstack is a diverse set of skilled professionals and thought leaders who take care of all your development needs. We have the knowledge, experience, and expertise to deliver on any project. We are designers, developers, and programmers mixed in with counselors, strategists, and analysts.

API Integration

Whether you're looking at Internet-of-Things or Artificial Intelligence, we are here to help you with your next big project.

eCommerce Website
Investing in your eCommerce store can be a daunting task. It’s hard to keep up with updates, security threats, and technical requirements when your business is growing.
eCommerce
We offer a complete range of e-commerce solutions for every type of business to bring more creativity to your e-commerce platform.

Web development
We make high-quality websites that work beautifully on any device and platform. Our in-house designers and developers make your website with our expertise.

UnionStack Technologies was extremely well-prepared from the very beginning.

Tihomir Sablic

Product Manager at Reservix

The project is a grand success. The user feedback is absolutely overwhelming.

Kristian Kaa

CTO at TestaViva

UnionStack team delivered a robust solution with high-quality code.

Dariusz Kózka

CIO at Librus Sp. z o.o.

Frequently asked questions

Because we have 220+ technology talents that can assist you with product development at any stage of the project. Explore our case studies to discover how our partnerships of 4 months to 5 years made businesses in 24 countries measurably competitive. Our About us page will show you who we are at heart and what we believe in.

Yes. You can hire offshore web developers from us to build innovative custom software solutions that cater to your specific needs. You can engage our technical experts and developers to dive deep into your project specifics and create solutions unique to yours and nobody else’s.

We've done custom software development for businesses of over 500+ employees. The largest software suite we've prepared was adopted by 7M users from several countries.

Most of the time, we're developing custom software for clients.

Our enterprise software projects included: building an e-government system for employed professionals; a B2B MedTech platform with employee services; or a search & delivery engine for a manufacturer of industrial parts.

Since we work in Agile, we're confident there's a way to adjust to your company's processes. UnionStack also offers self-project-management through our PM to help with distributing project responsibilities. We can join a project at any stage of the software development life cycle.

For example, we've been involved in the creation of an ERP for nationwide labor management from zero.

Before UnionStack contribution, there were only pen and paper procedures instead of digital solutions. We also replaced analog operations through custom software development for an automation engineering enterprise and a transportation company.

As our partner, you’ll have access to every specialist required for business process transformation. Per request, our Business Analysts will assist the development team business with requirement gathering, product roadmap creation, maintenance, and scaling.

Yes, of course. One of our longer partnerships continues after 6 years, where the client started with a team of 6 software developers from UnionStack and upscaled to 20 people.

Your new team can be self-managed, where our PM leads the group and covers knowledge-sharing, or our talents can follow your CTOs, PMs, or POs leadership while advising on development strategy.

We're highly collaborative. From the early years, we shaped our software development firm to be an understanding and flexible partner that adjusts to the client's development process.

We're highly collaborative. From the early years, we shaped our software development firm to be an understanding and flexible partner that adjusts to the client's development process.

We follow an Agile process that was refined over the 12 years since the founding. You set the metrics, help us grasp the business know-how, and our product team will present you with a predictable development plan with a clearly defined budget and deliverables. Should you need it, UnionStack is ready to advise you on strategy, technology choice, and project management methods.

Let’s Transform Your Idea into Reality

Every grand creation starts with an idea which is the most important part of a project. Share it with us, we will assist you to cultivate them for a masterpiece.