About us

Committed to supplying reliable and cost-effective marine aids

Since 1994, we have been providing reliable, high-quality and cost-effective AtoN solutions to the marine industry and beyond. Now, we are firmly established as the UK and Ireland’s preferred supplier of aids to navigation for the benefit of industry authorities and all mariners.

Why Hydrosphere?

Dedicated sales team

Our technical sales team covers the whole of the UK and Ireland. We are always happy to visit your site to better understand your requirements and advise on the most efficient solutions.

In-house design & engineering

Our team of skilled engineers can design and build any bespoke system and carry out full installation and maintenance for all of our products. Our in-house team also develops ancillary equipment, including power supplies, masts, and monitoring and control systems.

Large stock holding

We hold a vast array of equipment at our warehouse, enabling us to respond immediately to emergency or last-minute orders. Regular shipments from our overseas manufacturers typically allow us to operate a 24-hour turnaround policy.

Commitment to quality

We are dedicated to ensuring that our products and services fully meet the requirements of our customers and the marine industry authorities. All design, supply, installation and maintenance activities are completed under our ISO 9001:2015 certification.

Our Partners

Our partners are world-leading innovators in producing navigation lights and buoys, data buoys and other marine aids to navigation. We are the official UK partner of Sabik Marine, and we also partner with Mobilis to distribute and offer a full range of products.

Sabik Marine specialises in the design and manufacture of marine navigation aids. Manufacturing high-quality products to aid visual navigation on the sea, Sabik offers a range of products to meet customised needs — from beacons and self-contained lanterns to precision sector and leading LED navigation lights.

For over 20 years, Mobilis has supplied the marine industry with robust, IALA-compliant and cost-effective AtoN, including navigation, mooring and zone marking buoys renowned for their longevity, strength and adaptability.

Our Customers

Our products and services are used by all the UK lighthouse authorities and most major ports and harbours across the UK and Ireland — as well as offshore oil and gas companies, offshore renewable energy sites, the ministry of defence, marinas, sailing and yacht clubs, aquaculture sites, research institutes and universities.