• 2012: Schmitt & Zerreissen GmbH is founded through the merger of Schmitt Vertriebs GmbH and Markus Zerreissen Consulting

• 2012 - 2023: Rapid growth in the project business and residential sectors

• 2024: Schmitt & Zerreissen GmbH integrates into the GPC Group to ensure further growth and a broader positioning

• 2025: Introduction of a joint ERP and communication system

• 2026: Introduction of new supplier partners to offer further innovative products for the benefit of our customers

Shaping the energy transition together!

Our mission is clear: we want to actively drive forward the energy transition – with high-performance photovoltaic products and modern battery storage systems. We are convinced that a sustainable energy future is only possible through decentralized, efficient, and intelligent energy solutions. That is why we rely on high-quality components and innovative systems that enable the efficient use of solar energy.

Whether for private homes, commercial enterprises, or industrial companies, we offer solutions that are economically convincing and at the same time make a measurable contribution to climate protection. Modern installation options make it easier for tradespeople to achieve quick results. Our aim is to make renewable energies accessible, reliable, and future-proof - for today and for future generations.