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Your fitness studio
with WOW!

In the world of fitness and wellness, every gym, club and center is as unique as the people who work out there. As a leading general contractor and interior designer in fitness facilities and design, we excel in providing customized solutions that transform your vision into a stunning reality. Our holistic approach combines innovative value engineering strategies with local and global sourcing and targeted process optimization. This enables us to realize high-quality furnishing concepts tailored to your specific needs.

Our expertise spans a wide range of fitness projects – from fitness chains to specialized wellness and training centers to luxurious, exclusive studios. New build, conversion or renovation – we understand the diverse requirements of these different facilities and guarantee to create spaces that are not only sustainable, but also offer inspiring and motivating training experiences through individually tailored solutions and targeted cost optimization.

Whether you are looking for a comprehensive complete solution for the design and interior furnishing of your fitness project and/or require high-quality carpentry work from our own production, we are at your side as an experienced general contractor and competent roll-out partner at eye level! With our many years of expertise, you can be sure of creating a fitness environment that is both functional and aesthetically pleasing and will delight your customers!



A selection of references and services of Reinhold-Keller

  • Design planning, Icon Design planning
  • Implementation planning, icon Trade planning
  • Tendering/awarding, Icon Tendering / contract award
  • Furniture production, Icon Furniture production
  • Realization & After Sales, Icon Completion & after sales

A selection of Reinhold-Keller's services

  • Global expertise: Benefit from our extensive know-how, gained from over 35,000 projects realized worldwide.
  • Roll-out engineering: We develop your fitness concept to market maturity. Through precise analysis and optimization of your ideas, we not only reduce complexity, but also costs, without compromising on quality. From equipment selection to room design – we ensure an efficient roll-out.
  • Optimized processes: In the fast-paced world of fitness, time is of the essence. We constantly analyze and optimize all relevant processes, from planning to execution, to ensure maximum speed and on-time completion of your project.
  • Worldwide sourcing: Benefit from our global supplier network, which enables us to respond to your specific needs quickly and cost-effectively.
  • Naturally sustainable: We attach great importance to sustainable solutions and materials to ensure the ecological responsibility and longevity of your fitness projects. Our efforts in this area are certified by leading organizations.
  • Modern logistics center: With our 6,800m² logistics center, we offer extensive storage facilities to keep your indoor equipment ready. This guarantees you flexibility and security in project implementation.
  • Competent installation service: Our specialized installation team, supported by experienced partners, ensures smooth installation and fast on-site problem solving so that your property can go into operation on schedule.
  • Maximum cost-effectiveness: Benefit from the strength of our extensive network of suppliers and partners to significantly reduce your project costs. Effective negotiation, stock optimization and volume discounts significantly increase the added value of your project.
  • Accelerated project completion: As your general contractor, we take care of the complete coordination and realization of your project. Our efficient planning and management of processes enable your project to be completed and handed over on time.
  • Many years of expertise: Our many years of experience from thousands of projects, combined with our in-depth understanding of the industry and transparent communication, provide a solid foundation for successful collaboration. Our aim is to keep you fully informed about the progress of your project at all times.
  • Strategic risk management: The safety and stability of your projects are our top priority. Through careful planning and effective management, we minimize risks such as construction delays, budget overruns and quality deficiencies. Our clear contractual terms offer you additional protection and security.
  • Local network in DACH/ Benelux: Our established network of local suppliers and subcontractors within the DACH region and the Benelux countries forms the basis for every successful project. The long-standing and trusting cooperation with these partners ensures that projects run smoothly.



  • clever fit Logo clever fit
  • MicFIT logo McFit
  • MySpa Logo MySpa
  • John Reed Fitness Logo John Reed Fitness
  • body and soul Logo body + soul
  • RSG Group
  • Gold's Gym Logo Gold’s Gym
  • John & Jane's Soulbase Logo John & Jane’s Soulbase


Welcome to the world of REINHOLD KELLER! Find out more about our passion for the interior fit-out of fitness chains.

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Wooden background from contact person REINHOLD KELLER
Ansprechpartner, André Leibacher

Your personal contact

André Leibacher
Vice President of Sales Hospitality / Health
Phone +49 151 58853662



Let’s talk about your plans and visions without obligation – we look forward to exchanging ideas with you!