Group of companies

A strong group of companies

Our highly efficient project development work is based on professional knowledge and competent partners. The group of companies around the fifth-generation family-run construction company Karl Gemünden covers the entire life cycle of a property. This means that experts from all disciplines work together hand in hand. You can benefit from this extensive expertise.

Molitor select GmbH

Molitor select GmbH

Your real estate agent in Rhine-Hesse and the entire Rhine-Main region.

From property valuation and marketing to purchase price negotiation and settlement – the Molitor select team offers discreet and transparent estate agent services in Rhine-Hesse and the entire Rhine-Main region. You also get something else: trust based on experience. After all, you will be benefiting from a building tradition dating back almost 140 years in this family-run business. Place your trust in an experienced team of real estate experts who are rooted in a strong network of regional players. Are you thinking of selling your land, house or apartment? Would you like to complete the process quickly, conveniently and discretely and achieve the best sale price? As an expert partner, Molitor select will support you every step of the way. Sit back and let the experienced team of experts do the work for you.

Find out more at:

Bauunternehmung Karl Gemuenden GmbH

Bauunternehmung Karl Gemünden GmbH & Co. KG

Construction tradition for over 100 years

Founded in 1884, Karl Gemünden GmbH & Co. KG is a family business now being run by the fifth generation. The team of around 350 employees specialises in shell construction work and turnkey projects of all types and sizes. There is a particular focus is on environmentally friendly and energy-efficient building technology (green building). The Gemünden construction company is embedded in a strong network of companies involved in real estate. These especially include the regional project developer J. Molitor Immobilien GmbH, the planning company GTR Gebäudetechnik Rheinstraße GmbH, the energy supplier EVI Energieversorgungsgesellschaft Ingelheim mbH, the property management company I.H.R GmbH and the facility management service FMR GmbH.

Find out more at:

GTR Gebäudetechnik


Specialists in modern building technology

The demands placed on modern building technology have risen sharply in recent years, especially against the backdrop of changing usage requirements and the need to conserve resources. That is why our partner, GTR GmbH, always comes up with environmentally sustainable, energy-efficient and economical solutions for our properties’ tailored building technology concepts. The team at Gebäudetechnik Rheinstraße has built up many years of experience in the field of applied research. In cooperation with the region’s universities, the lastest building technology is being continuously developed in order to ensure that it is economical, energy-efficient and geared towards the future.

Find out more at:

FMR Facility management

F.M.R GmbH

Facility management at the highest level

F.M.R. – Facility-Managementgesellschaft Rheinstraße mbH is a faciliy management and building cleaning service. The dedicated team looks after apartment blocks, commercial buildings and special properties in the greater Mainz area. Services include the ongoing maintenance, repair and cleaning of properties as well as the care of outdoor areas. Particular attention is paid to preserving the value of the properties we manage.

Find out more at:

IHR Immobilien

I.H.R. GmbH

Your competent partner for commercial and technical management

I.H.R. GmbH is a competent partner specialising in the comprehensive and sustainable management of your property. Whether an apartment, multifamily residence, commercial building or special property, this strong partner provides expert commercial and technical support for your property and your tenants. This expertise and the unique network generate extraordinary benefits for you when managing your property and your tenants. The range of services includes the management of rented commercial and residential properties and the management of owners’ associations.

Find out more at:

TT 1884 Hospitality GmbH

TT 1884 Hospitality GmbH

Proficient operation and management of hotels

The Gemünden/Molitor Group has been active in the hotel industry for more than 25 years. TT 1884 Hospitality GmbH was founded in 2021 to focus our expertise in operating and managing hotels. Among other things, the company is the operator of Hofgut Wißberg – Das Weinberghotel. The first-class boutique hotel with an adjoining 18-hole golf course offers 21 exquisitely appointed rooms, an exceptional activity programme and exclusive spaces for corporate meetings and family events. As an outstanding ambassador for the Mainz and Rhine-Hesse wine region, Hofgut Wißberg was the recipient of the ‘Best of Wine Tourism Award 2022’ and the ‘People’s Choice Best of Wine Tourism Award’. TT 1884 Hospitality GmbH is in the process of devising the concept for a hotel ensemble currently under construction in Kiedrich in the Rheingau region, which it will eventually also operate.