Our Distinguished Clients!

Season’s is Greetings!

We have got this proud privilege to introduce you our Flagship Company the RB-Investor GmbH, based in Germany, which is a limited liability company according to the German law. RB-Investor is a service provider for investments in the counties of Germany, Austria, Switzerland, the USA, Russia and India. Our Company also owns two major brands of the Premium Door Solutions of the World, one is “Phillippe Doore” of Switzerland another one is “RDC” of Russia.

Our international premium brand of doors - The “Philippe-Doore” is dynamically developing brand specialized in the Design, Manufacture and Installation of Door Solutions for premium Hotels, Medical Centers, Sports Facilities, Mixed-use Complexes and other big Infrastructure Projects. Since the inception of our Company, just in the span of 12 years’ time we have achieved a yearly turnover of 300 million Euros and have won so many laurels and appreciations to our credit.

The quality of our products withstand and conforms to all the international standards fixed by the premium relevant institutions and many a famous international chain of hotels worldwide as well.


This is a unique German marvel of technology exclusively developed by us. This is the only one of its kind in the World. Philippe-Doore’s secret to longer-lasting wood doors is an exclusive manufacturing process that protects against wood rot, water saturation, flammable and deformations. HumbleTech is the process how we make the doors and high-tech composite materials of the latest generation, such as a Ultralam raw materials. The combination of materials allows getting the highest quality products. Therefore, our doors just can only be called "wooden" but there is no wood inside, only materials with improved characteristics, made based on wood. The reliability of HumbalTech doors are available only by ‘Philippe-Doore”.

Our Valuable Clienteles

Accor Hotels Group, Marriott International Hotel Group, Hilton Hotels and Resort, InterContinental Hotel Group, Starwood Hotels and Resort, Hyatt Hotel Group, Rezidor Hotel Group and many more.

Our India Plan

With a view to spread, our business activities across the Asia Pacific Region we have set out our business establishment in India - in the City of Gurgaon. Our vision plan is to set up an assembling plant in India and further to it the manufacturing plant to cater our client’s requirements.

A frequent perusal of our all concerned Websites, Company Profile and the Technical Profile of our Company will certainly help you in having a thorough knowledge of our complete business overview.

Looking forward for your valuable suggestions and cooperation!

Thanking you!

With Warm Regards
Philippe - Doore