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About Us
Rhine Projects International GmbH is a Cologne based engineering and contracting group delivering turnkey projects across construction, pools and spa, aquatic sports and marine sectors. From concept and BIM driven design to procurement, execution and handover, we act as one accountable partner. With offices across Europe, the Middle East, North America and Australia, backed by a worldwide distributor network, we bring German engineering discipline to every project we deliver.
14+
Countries where we have successfully delivered operations and projects.
30
Years of expertise across construction, pool and spa, aquatic sports and marine services.
100
Distributors and partners in our worldwide network, bringing fast and effective solutions to our clients.
70+
Projects delivered worldwide across construction, pool and spa, aquatic sports and dry bulk cargo.
Guiding you every step of the way
On Land
Three integrated capabilities, design, trading and contracting, with deep specialist expertise in swimming pools, spa and wellness.
Engineering & Architectural Design
Concept-to-construction design, engineering and digital delivery, held to international standards.
Architectural & concept design
BIM & digital engineering (ISO 19650)
Mechanical, water-treatment & MEP engineering
Design management & planning
Third-party peer review
Trading
Authorised distributorships and global sourcing of materials and equipment through our partner network.
Material supply & trading
Equipment procurement
Project procurement & logistics
Authorised distributorships
Contracting
Specialist turn-key delivery of aquatics centres, sports facilities and wellness centres, alongside hospitality and built environments.
EPC & turnkey contracting
Swimming pools & aquatics
Aquatic sports facilities
Wellness & spa
Hospitality & industrial M&E
Fountains & water features
End-to-end delivery
One accountable partner from design and procurement through construction and handover.
Proven worldwide
Engineering and construction delivered across 14+ countries on four continents.
Engineering-led
BIM modelling and value engineering at the core of every build we deliver.
Discuss your land project
On Land
A selection of engineering and construction work delivered across industries and infrastructure.
Hospitality · Pool & Wellness
•
Since 2024
Hilton Agobili Abastumani
Abastumani, Georgia
Sports Facilities · EPC
•
Completed 2026
Kazakh National University of Sports
Astana, Kazakhstan
Hospitality · EPC
•
Completed 2022
Hilton Skopje
Skopje, North Macedonia
Residential · Design & Build
•
Since 2025
Croatia Private Villas
Zadar, Croatia
Residential · Design & Build
•
Since 2026
Erftstadt Residential
Cologne, Germany
Residential · Design & Build
•
Since 2026
Setúbal Villas
Setúbal, Portugal
Aquatic Sports · EPC
•
Completed 2025
Tangier Olympic Pool
Tangier, Morocco
Aquatic Sports · EPC
•
Completed 2024
Al Hoceima Olympic Pool
Al Hoceima, Morocco
Hospitality · Design & Planning
•
Completed 2022
Rhein Hotel Bad Salzig
Bad Salzig, Germany
Have a similar project in mind?
From feasibility and design to procurement and handover, our land team delivers end to end.
Start your project
Marine Division
From coastal structures to offshore platforms and port infrastructure, our marine division brings the same engineering rigour to the water as we do on land, combining naval expertise, sustainable methods and precise project delivery.
Offshore & coastal structures
Port & harbour infrastructure
Marine surveys & sustainable methods
Talk to our marine team
At Sea
Three specialist offerings bringing engineering, emissions and wellness expertise to the water.
Wellness & Pools
Rhine Marine Wellness
Luxurious wellness, spa and pool solutions engineered for the maritime industry, for yacht owners, shipbuilders and luxury vessel operators.
Visit Rhine Marine
Marine Emissions
SodaFlexx
N-Flexx dry exhaust gas cleaning neutralises sulphur with a sodium-based sorbent. No seawater, no scrubber wash water, and full emission compliance.
Talk to us
Dry Bulk Handling
CemFlexx
Customised dry bulk handling systems for ships, offshore vessels and terminals. The FlexxVac ECO® cuts fuel use by 30-40% with pressureless, dust-free transfer.
Talk to us
At Sea
Marine, coastal and offshore references where engineering meets the water.
Port Infrastructure · Ship Unloader
•
Since 2023
Ashdod Port Material Handling
Ashdod, Israel
Wellness & Pools · Maritime
•
Since 2025
Rhine Marine Wellness
North Sea
Marine Emissions · 3 Vessels
•
Since 2026
Yıldızlar 3 Ship SodaFlexx Retrofit
Türkiye
Port Infrastructure · Mobile Ship Unloader
•
Since 2023
Durrës Port Mobile Ship Unloader
Durrës, Albania
Superyacht Spa & Wellness
•
Delivered
Blue II
Turquoise Yachts · 56m
Superyacht Spa & Wellness
•
Delivered
NB66
Turquoise Yachts · 74m
Superyacht Spa & Wellness
•
Delivered
NB65
Turquoise Yachts · 81m
Explorer Yacht Wellness
•
Delivered
Bering 77 Veronica
Bering Yachts · 24m
Explorer Yacht Wellness
•
Delivered
Bering 80 (M/Y Heeus)
Bering Yachts · 24m
Contact Us
Main Office
Richard-Byrd-Straße 18
50829 Köln, Germany
Get in touch,
+49 1525 9375167 / Reach globally from Whatsapp!
Global Locations, contact your local office