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OASIS Alliance

Tailored water solutions for Pacific and Indian Ocean islands.

From the Pacific Ocean to the Indian Ocean.


You have a water problem. We handle it, end to end.

Assessment · Engineering · Financing · Installation · Maintenance


An alliance — not a catalogue

OASIS Alliance brings together specialist structures focused on water solutions for island territories. Every island is different, every situation is unique. We never propose a standard answer.

We always start from the real problem — combining, as needed, atmospheric water generators, rainwater harvesting, treatment of an existing source, and autonomous solar systems. We secure the financing, handle installation, and stay for the long term.


What unites us

  • Over twenty years of field experience in demanding island environments.
  • Autonomous local structures — operated by people who live there and know their islands.
  • Swiss grounding — rigour, neutrality and long-term commitment, embodied by a Swiss citizen founder and Honorary Consul.
  • A proven method — from assessment to maintenance, a complete chain, a single point of contact.

Our territories

We are active in New Caledonia, Vanuatu and Réunion Island. We are progressively expanding our presence to other island territories across the Pacific and Indian Oceans.


Our member structures

Each territory is operated by a dedicated, locally rooted entity. The alliance provides the methodology, technical expertise and group coherence.