Our solutions

For every maritime segment

At G&O Bioreactors, we deliver IMO-compliant, sustainable, and operationally efficient wastewater treatment systems for a wide range of maritime and offshore applications. Whether your vessel is in need of a retrofit, designed for passenger transport, operating offshore, or serving naval purposes, we offer tailored biological treatment solutions that ensure regulatory compliance, long-term reliability, and protection of the marine environment.


Explore our core solution area below.

We have a solution for any challenge


We have the needed approvals and live up to all requirements in order to deliver to navies around the world.


Our systems can be delivered with all special features required offshore e.g. EEX/ATEX approvals.



We have systems that live up to and exceed the strictest requirements from IMO including those for passenger vessels and special areas.

We are experienced in custom building bioreactors and fit them into even the tightest spaces on existing vessels.

Sustainable treatment for a cleaner maritime future

From passenger ferries and offshore rigs to navy vessels and retrofits, our IMO-compliant technologies ensure regulatory peace of mind, long-term cost efficiency, and a cleaner ocean. Discover how each of our solution areas is engineered for performance, flexibility, and sustainability.

Every vessel and offshore unit produces wastewater, but not all treatment systems are created equal. At G&O Bioreactors, we deliver advanced biological wastewater treatment tailored to the operational reality of maritime and offshore segments. Whether upgrading existing installations or designing for newbuilds, our solutions provide a reliable, low-maintenance alternative to chemical-based systems.

Get in touch if you want to know more about our offerings and how we can help solve your challenges.