Our Approach
Let’s get it right –
right from the start.
Software that grows with you
We believe in long-term partnerships – not short-term fixes.
Our software is built through close collaboration: transparent, scalable, and tailored to your business.
No spaghetti code, no outsourcing chaos. Just software that does what it promises – thoughtfully designed, expertly built, and ready for tomorrow.
Led by Developers
German
Engineering
Entrepreneurs
at Heart
Dedicated Teams &
Reliability
We make YOU successful –
with high-quality software
Our Key to Success
We combine strategic thinking with digital excellence. That’s how we create solutions that don’t just work – they truly move you forward.
Contact
Reach out – no strings attached.
Analysis
Let’s explore your needs together.
Planning
A fully customized process for you.
Our Specialists
We choose our developers not just for their skills – but for their mindset.
Creative, solution-oriented, and always ready to go the extra mile.
Sebastian Stemmer
Kevin Haan
Laura Tronchin
Artur Gräfenstein
Zakaria Sarmini
Our Case Studies
There’s no such thing as a standard solution. We show you how we turn complex challenges into real, tangible outcomes.
Constellation Academy
Constellation Academy is part of a strong educational group – bringing together consulting, professional development, coaching, and microlearning in a holistic approach. The focus: leadership, digital transformation, diversity, and mental health. In close collaboration with companies, the Academy designs learning formats that truly make a difference – with substance, integrity, and a clear understanding of the realities of modern work. Their strength: deep experience, methodical clarity, and a genuine drive to support real change for people and organizations.
TeamWeave
TeamWeave is a cloud-based software solution built specifically for the construction industry – designed to optimize project planning and resource management. With features like real-time updates, scenario planning, and smart filters, it gives you a tool that brings clarity and structure to daily operations on-site. The goal: help teams work more efficiently and enable companies to grow sustainably.
PROJEXION
PROJEXION – co-founded by the key – technology – is a tech startup bringing fresh momentum to the construction industry. In a sector often marked by inefficient processes, low margins, and underused data, PROJEXION is setting new standards in digital project management. The platform streamlines data handling in construction projects, analyzes information in real time, and delivers clear, actionable insights – straight from the field. The result: risks are identified earlier, bottlenecks avoided, and projects steered more profitably. Behind this success stands a highly skilled development team – built by us with deep expertise and true passion for PROJEXION’s mission.
thekey.academy
thekey.academy is your digital learning platform for hands-on professional development – with official IHK certification. The courses are practical, fully digital, and designed to fit flexibly into everyday life. Whether it’s leadership, communication, or digital skills – the platform offers compact, focused learning formats. All learning happens via app – in short, structured sessions, at your own pace, and with a clear path to progress.