Overall Review Rating
4.5 (8 Ratings)
Overview
They use the full potential of modern technology to create well-designed web-apps. They are ready to help you create outstanding solutions and develop the best IT-architecture for them. They introduce not just the code into the project, but all our expertise that is useful during the product lifecycle.
Services
- Cross Platform Development
- DevOps & Cloud
- Web Development
- IoT App Development
- Mobile App Marketing
- AWS Services
- Enterprise App Modernization
- AI Development
- Mobile App Development
- Data Science & Big Data
- iOS App Development
- Android App Development
Industries Served
4xxi Reviews
Have a look at these client reviews on previously delivered projects.
Liselotte Bakker
Head of Platform Engineering - Harbour Digital BVDelivered what the proposal described. More rare than it should be.
Our stakeholder group was unusually broad — board sponsors, operational users, compliance leads, and an IT team with strong opinions. I have watched vendors handle that kind of environment badly. This team adjusted how they communicated depending on who they were talking to, managed expectations honestly when things shifted, and delivered something that each group considers a success. Getting everyone to agree on that outcome was not straightforward and they deserve credit for making it happen.
Project summary
A failed engagement the previous year had made us more rigorous about vendor selection. We took the time to find a partner we actually trusted before we committed.
Radosław Kowalczyk
Head of Development - Wisła Software Sp zooThey resolved a network issue at 2am before anyone arrived at the office. Nobody noticed.
The platform has been live for six months and is handling three times the transaction volume we scoped for. That is not because we underestimated — it is because the architecture choices made during discovery were genuinely forward-thinking. Most vendors design for exactly what you tell them. This team designed for what you are likely to need. We are already scoping the next phase and there was no question about who we would use.
Project summary
A new care pathway required patient data to move between systems in a way our current architecture did not support. The integration complexity was beyond what we could handle in-house.
Jia Hui Tan
VP of Engineering - RedDot Technologies Pte LtdFrame rate consistent across all target devices from day one. Testing confirmed it.
The technical quality is the obvious thing to highlight. The automated test suite is comprehensive, the deployment pipeline is solid, and the documentation is actually useful rather than written to satisfy a checklist. But the metric I keep coming back to is what has NOT happened since go-live. No 2am incident calls. No emergency patches. No post-launch retrospectives about what went wrong. For a system of this complexity, that outcome is exactly what we paid for.
Project summary
A failed engagement the previous year had made us more rigorous about vendor selection. We took the time to find a partner we actually trusted before we committed.
Giulia Conti
Product Manager - Colosseum Digital SrlSession time up 35% since the AR feature launched. The numbers confirm the experience.
Our stakeholder group was unusually broad — board sponsors, operational users, compliance leads, and an IT team with strong opinions. I have watched vendors handle that kind of environment badly. This team adjusted how they communicated depending on who they were talking to, managed expectations honestly when things shifted, and delivered something that each group considers a success. Getting everyone to agree on that outcome was not straightforward and they deserve credit for making it happen.
Project summary
A new product line required machine tooling integrations we had no experience with internally. We needed engineering expertise that had done this before.
Abdullah Al-Shehri
Head of Innovation - Desert Tech VenturesComplex project, zero drama. That is how you know the project management is real.
I have been through several technology implementations in my career. The pattern I am used to is: detailed proposal, optimistic timeline, scope creep, overrun, excuses at the end. This engagement broke that pattern at every stage. The timeline was realistic from the start. Changes were managed through process. The final delivery matched what was agreed. Simple, but uncommon.
Project summary
Our product thinking was strong. Our execution capacity in this specific domain was limited. We needed deep expertise, not a generalist willing to learn on our time.