Hydrosphere
Hydrosphere UK Ltd is the UK and Ireland's leading distributor of marine aids to navigation, supplying Mobilis buoys, Sabik Marine lights, and its own HydroWatch AIS monitoring platform to harbour authorities, port operators, and offshore wind developers.
- Company typePrivate
- Founded1994
- HeadquartersFroyle, United Kingdom
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Hydrosphere does
Hydrosphere UK Ltd is a privately held British distributor and engineering services company founded in 1994 and headquartered in Upper Froyle, Hampshire. It operates as the self-described leading supplier of marine aids to navigation (AtoN) for the UK and Ireland market, representing world-leading manufacturers Mobilis (navigation buoys, mooring buoys, and data buoy platforms from DB 500 to DB 24000) and Sabik Marine (navigation lights, lanterns, sector lights, and lighthouse beacons). The company also distributes AquaNode data buoys and supplies complementary power systems, including solar and DC mains solutions.
The product portfolio is anchored on hardware manufactured by partners — rotationally moulded polyethylene floats with UV-stabilized IALA-compliant colours rated for 15+ years, and LED navigation lights — supplemented by Hydrosphere's own HydroWatch AIS monitoring unit and the HydroData cloud-based portal that provide remote visibility over deployed marine assets. Hydrosphere's engineering team delivers full project delivery: initial design, supply, installation, commissioning, ongoing maintenance, replacement, removal, and emergency repair or casualty response.
Commercially, Hydrosphere runs a sales-led B2B model with direct engagement of engineering teams at harbour authorities, port operators, maritime authorities, and offshore wind developers. Revenue is generated from hardware sales and professional installation/maintenance services, with quoting handled on a custom project basis rather than published pricing. The company holds ISO 9001 certification (via SGS) and is independently owned with no disclosed parent, external investment, or M&A activity.
Hydrosphere firmographics
Firmographics- Name
- Hydrosphere
- Legal name
- Hydrosphere UK Ltd
- Website
- https://hydrosphere.co.uk
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Hydrosphere UK Ltd is the UK and Ireland's leading distributor of marine aids to navigation, supplying Mobilis buoys, Sabik Marine lights, and its own HydroWatch AIS monitoring platform to harbour authorities, port operators, and offshore wind developers.
- Ownership category
- akta.pro rank
Hydrosphere industry classification
Industry- Product category
- Marine Aids to Navigation
- NAICS
- Support Activities for Water Transportation (4883), Navigational Services to Shipping (488330)
- SIC
- Water Transportation (4400)
- akta.pro primary industry
- Navigation & Aids-to-Navigation Works (Beacons, Buoys, Markers) (IMAFAJAH)
- akta.pro secondary industry
- Marine Sensors, Instrumentation & IoT (Condition Monitoring) (IMAJAJAI)
Keywords
Where Hydrosphere is headquartered
LocationHeadquarters
- HQ city
- Froyle
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Hydrosphere business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Marine Navigation Equipment Sales: Revenue generated from sale of marine navigation aids including navigation buoys, navigation lights, data buoys, mooring buoys, AIS monitoring systems, and power supplies. Products are supplied from world-leading manufacturers (Mobilis, Sabik Marine) with Hydrosphere acting as the UK and Ireland distributor.
- Installation and Maintenance Services: Engineering services for installation, ongoing maintenance, replacement, removal, and emergency repairs of marine navigation aids. The company offers complete end-to-end solutions from initial design through to ongoing support.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Hydrosphere product offering
Product offeringCore offering
Hydrosphere supplies and integrates marine aids to navigation (AtoN) for the UK and Ireland marine industry, distributing navigation buoys, navigation lights, data buoys, mooring buoys, AIS monitoring systems and power supplies from manufacturers Mobilis and Sabik Marine. The company delivers complete end-to-end solutions covering initial design, equipment supply, installation, ongoing maintenance, replacement, removal and emergency repairs through its in-house engineering team.
Product overview
Hydrosphere is the UK's leading supplier of marine aids to navigation, offering a comprehensive portfolio of hardware products complemented by monitoring and power solutions. The core product line consists of Mobilis navigation buoys (ranging from 1m to 3.6m) and Sabik Marine navigation lights (including stand-alone lights, self-contained lights, and sector lights), supplemented by Mobilis mooring buoys (AMR series from 600kg to 17,000kg buoyancy). The company also provides data buoy platforms (Mobilis DB series from DB 500 to DB 24000) for meteorological and oceanographic data collection. Add-on modules include proprietary AIS monitoring solutions (HydroWatch and HydroData portal) for asset visibility, and power supply systems (solar and DC mains) for marine and onshore applications. Hydrosphere supplies complete solutions from initial design through installation to ongoing maintenance.
Differentiator
Problem solved
Functional benefit
Products and services
- Navigation Buoys Mobilis navigation and marker buoys in a range of sizes from 1m to 3.6m (including JET series and high current, spar and small zone marking variants), designed for harbour, coastal and offshore applications and built with rotomoulded polyethylene floats and UV-stabilised IALA-compliant colours.
- Navigation Lights Sabik Marine navigation lights and lanterns including bridge lights, stand-alone lights, self-contained lights, range lights, sector lights and lighthouse beacons (SABIK VRB-25 LED and Sabik SLU-24/SLU-36), suitable for onshore and remote offshore locations with limited power access.
- Data Buoy Platforms Mobilis and AquaNode data buoys in various sizes (DB 500 through DB 24000 series) equipped with sensors and devices to gather meteorological and oceanographic data, featuring through-hull access for underwater instrumentation and high equipment payload capacity for harsh offshore conditions.
- Mooring Buoys Mobilis mooring buoys in a range of sizes (AMR 600 to AMR 17000 series, 600kg to 17,000kg buoyancy) using rotomoulded MDPE float sections and galvanised steel central structures for harbour, coastal and deep-sea mooring applications, with modular parts commonality to reduce spares holding.
- AIS & Monitoring Solutions Hydrosphere's own-brand HydroWatch AIS monitoring unit combined with the HydroData cloud portal, giving customers complete remote visibility and asset management over deployed marine navigation aids.
- Power Supplies Solar power supplies for buoys and onshore applications and stable DC mains solutions designed for marine and coastal requirements where mains access is unavailable.
Companies that use Hydrosphere
Customer profileSegments3 records
Ideal customer profiles3 records
Hydrosphere technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Hydrosphere partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- MobiliscoreMobilis is Hydrosphere's key supplier of navigation buoys, mooring buoys, and data buoys. Hydrosphere represents Mobilis products in the UK and Ireland market. The partnership involves supply of rotatically moulded polyethylene buoys and associated equipment.
- Sabik MarinecoreSabik Marine supplies navigation lights, lanterns, and lighthouse beacons that Hydrosphere distributes in the UK and Ireland. Products include bridge lights, stand-alone lights, sector lights, and lighthouse beacons.
- AquaNodecoreAquaNode data buoys are distributed by Hydrosphere as part of their data buoy platform offerings for the marine industry.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
Hydrosphere competitors and assessment
Company assessmentDirect peers
- Carmanah Technologies: Designs and manufactures solar-powered marine navigation lights, beacons, and AtoN equipment. Comparable to Hydrosphere's Sabik Marine lighting line and solar power supply offerings, serving ports, harbours, and offshore operators.
- Orga BV: Dutch manufacturer of marine aids to navigation including aviation obstruction lights, helideck lighting, and offshore navigation equipment. Comparable in product category and European offshore customer base to Hydrosphere's portfolio.
- Tideland Signal: Long-established marine aids to navigation manufacturer supplying navigation lights, lanterns, and power systems. Overlaps with Hydrosphere's Sabik lighting and Mobilis buoy ranges and addresses the same port and offshore customers globally.
- Pharos Marine Automatic Power: Global AtoN specialist offering buoys, lights, fog signals, and power systems for ports and offshore operators. Directly overlaps Hydrosphere's combined buoy and lighting portfolio across the same end-market segments.
- Vega Industries (Xylem): Manufacturer of marine lanterns, AtoN systems, and fog signals, now part of Xylem. Directly comparable in product category and end-market to Hydrosphere's navigation light portfolio, serving ports and offshore operators globally.
- Sealite (SPX Technologies): Global manufacturer of marine navigation buoys, lanterns, and AtoN solutions. Directly comparable to Hydrosphere in product portfolio (buoys, lights, monitoring), though Sealite is an upstream manufacturer rather than a regional distributor.
Regional players
- Briggs Marine: UK-based marine services company providing buoy maintenance, mooring, diving, and harbour support services. Comparable to Hydrosphere's installation and maintenance service layer within the same UK geographic footprint.
Broad incumbents
- Sabik Marine: Manufacturer of marine navigation lights and lanterns (current Hydrosphere supplier). Comparable as an upstream product peer in the AtoN lighting category, with broader geographic reach than Hydrosphere's distribution footprint.
- Mobilis: Manufacturer (and current Hydrosphere supplier) of navigation buoys, mooring buoys, and data buoys. While Hydrosphere is a regional distributor, Mobilis itself is the upstream product peer and a potential competitor in adjacent geographies.
- Wärtsilä: Large marine technology and services company with broader port and offshore infrastructure exposure. Overlaps only thematically as a much larger incumbent in the maritime equipment and services space that Hydrosphere operates within.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Hydrosphere social profiles
Digital presenceHydrosphere compliance and trust
Trust signalCompliance1 record
Hydrosphere financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hydrosphere leadership team
Management profileNumber of profiles
Hydrosphere funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hydrosphere M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Hydrosphere
What does Hydrosphere do?
Hydrosphere supplies and integrates marine aids to navigation (AtoN) for the UK and Ireland marine industry, distributing navigation buoys, navigation lights, data buoys, mooring buoys, AIS monitoring systems and power supplies from manufacturers Mobilis and Sabik Marine. The company delivers complete end-to-end solutions covering initial design, equipment supply, installation, ongoing maintenance, replacement, removal and emergency repairs through its in-house engineering team.
Is Hydrosphere a public or private company?
Hydrosphere is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Hydrosphere founded?
Hydrosphere was founded in 1994. It employs 11 to 50 people.
Where is Hydrosphere based?
Hydrosphere is headquartered in Froyle, United Kingdom, in the Europe region.
How does Hydrosphere make money?
Two revenue lines are on record. Marine Navigation Equipment Sales are the primary driver. The others are installation and Maintenance Services.
Who are Hydrosphere's main competitors?
Direct peers on record are Carmanah Technologies, Orga BV, Tideland Signal, Pharos Marine Automatic Power, Vega Industries (Xylem) and Sealite (SPX Technologies). Briggs Marine is listed as a regional player. Broad incumbents are Sabik Marine, Mobilis and Wärtsilä.
Does Hydrosphere have an API?
No public API is recorded for Hydrosphere.
What industry is Hydrosphere in?
Hydrosphere's product category is Marine Aids to Navigation. Its primary akta.pro industry code is IMAFAJAH, Navigation & Aids-to-Navigation Works (Beacons, Buoys, Markers), with a secondary code of IMAJAJAI, Marine Sensors, Instrumentation & IoT (Condition Monitoring). Its NAICS code is 4883 and its SIC code is 4400.