
Your technical partner for challenging projects.
Are complex integrations, headless architectures and fail-safe systems not your core business? Then let us take care of the technical side. We’ll turn your concepts into reliable web applications – on time and within the agreed budget.

How we can support you
You are responsible for strategy, creative work and client management. We provide the technical expertise required for implementation.
- Technical implementation of websites and platforms
- Support for TYPO3 and headless projects
- Implementation of e-commerce projects
- Integration of third-party systems
- Programming of bespoke software
- Long-term technical support and further development
Models of collaboration
Requirements vary from one agency and one project to another. That is why we discuss your role, communication and visibility with you before we start.
White label
We work discreetly as a subcontractor under your banner. Your client sees us as part of your team.
- Communication via your channels
- Email addresses on your domain
- Neutral PRDs, documentation and reports
- No direct external representation by Q3i
- Clearly defined coordination and approval processes
Technology Partnership
We act as your technical partner and take clear responsibility for the architecture and implementation. This model is suitable for projects requiring a high level of consultancy and direct technical coordination.
- Joint workshops and client meetings
- Transparent allocation of tasks
- Direct technical advice
The added value you get
Plug and Play
We understand the challenges and dynamics of large-scale agency projects and keep a clear head even under difficult conditions. Whether Agile, Waterfall or ad hoc – we adapt to your requirements and workflows.
- Your tools: for example, Slack, Jira, Confluence, Teams
- Your team: we’ll supplement it with the necessary roles
- Your deadlines: we stick to what’s agreed
What we can develop for your customers
We have the necessary expertise to programme and operate a wide range of applications.
Software that belongs to your customers
We give priority to open source, open interfaces and documented processes. This ensures that applications remain maintainable even after the project has ended and can be continued by Q3i, your team or other service providers.
Q3i in figures
25
Years’ experience in web development
400
projects completed
100
per cent independent and owner-managed
0
Security incidents in our projects
Successful together.
Projects we have carried out for and in collaboration with agencies.
Customers and partners
We work for companies, public bodies, associations and agencies
Are you looking for a technical partner for a digital project?
Let’s get to know each other. We’ll take the time to discuss your project – with no obligation and free of charge.









