Technology that connects –
Accessories for windows and doors.
Market leader in sustainable plastics technology.
With system, team spirit and innovation.
Accessories that fit. Solutions that work.
Precision in every area.
OUR PRODUCTS
Technology with foresight.
Experience with a handshake agreement.
For 50 years, we have been developing and manufacturing high-quality accessories for window and door construction. Made in Bavaria. What sets us apart? Expertise in plastics, 66 patents, in-house development, and a team that combines craftsmanship, technology, and a spirit of innovation.
PHI stands for:
IFT-certified window and door accessories
Reliable B2B partner of the window and door industry
Tailor-made special solutions & system-specific products across all industries
Our foundation: experience, precision and partnership on equal terms.
Reliable. On equal terms.
Thinking about tomorrow today: PHI goes green
For us, sustainability doesn't begin with the material – but with the attitude.
From recycling processes and energy efficiency to our own initiatives – sustainable plastics technology is not a side issue at PHI, but part of our self-image.
Regranulate instead of virgin material
Energy-efficient production
Impulses for tomorrow
#PHIFamily - a team you can rely on.
At PHI, it's not just what we develop and produce that counts – but above all,
how we do it together.
Our products are created by people who understand their craft, take responsibility, and can rely on one another. This sense of community shapes our daily work: in development, toolmaking, production, and sales.
We work closely together, with short communication channels, open exchange and a clear goal:
Create solutions you can be proud of.
What defines us
- 75 qualified specialists, who work together
- Personal responsibility & participation instead of rigid structures
- Open communication & flat hierarchies
- Long-term perspectives – many employees have been with PHI for decades
- Work-life balance as well as the promotion of young talent and promising young people
Direct contact – quick and easy
Whether it's your first inquiry or a specific project: We are happy to support you further.
Contact us via our form – together we will find the right solution for your ideas.
What moves us –
what we change






