GEZE stands for innovation, highest quality and holistic support of building services engineering – from the initial idea, planning and operational implementation with series products to tailor-made system solutions and individual service and maintenance. We offer an extensive product range of door, window and security technology and are a major driving force behind the digital networking of building automation.

Automatic door solutions for accessibility or fire protection, window drives for natural ventilation or for smoke and heat extraction in the event of fire, digital networking of doors and windows for building automation - these are just a few examples from our service portfolio. Our goal is to develop liveable buildings with the highest degree of comfort and the greatest possible safety for building users.

Yellow Door Energy is the leading sustainable energy partner for businesses, serving commercial and industrial customers in the Middle East, Africa, South Asia and beyond. The company’s solar and energy efficiency solutions enable businesses to reduce energy costs, improve power reliability and lower carbon emissions. These solutions directly contribute to companies’ and countries’ Net Zero targets. Yellow Door Energy’s shareholders are Actis, the International Finance Corporation (IFC), Mitsui & Co., Ltd., and APICORP.