Name

Sonardyne International

Legal name

Sonardyne International Ltd.

Website

https://sonardyne.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Subsea Acoustic Positioning and Navigation Systems

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)

SIC

Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Sonar, Undersea Sensors & Acoustic Detection Systems (IMABAGAD)

akta.pro secondary industries

Marine Sensors, Instrumentation & IoT (Condition Monitoring) (IMAJAJAI), Marine & Underwater Robotics (USVs/UUVs) (HDAAAIAH), Submarine Navigation, Periscope/Optronics & Communications Manufacturing (IMAJAOAJ), Naval Sensors & Sonar Systems (IMABAKAD)

Keywords

• Subsea acoustic positioning
• Underwater inertial navigation
• Marine acoustic communication
• Subsea asset monitoring
• Offshore survey positioning

Headquarters

HQ city

Blackbushe

HQ country

United Kingdom

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Supply Chain, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. Subsea Technology Products: Sale of underwater positioning, navigation, communication, and monitoring hardware systems including USBL, SPRINT-Nav, acoustic modems, transponders, and release systems.
2. Equipment Hire: Direct-from-manufacturer rental of latest-generation subsea navigation, positioning, communications and monitoring systems for project-based work. Factory-certified equipment with direct technical support.
3. Custom Engineering Services: Bespoke engineering solutions for applications where standard products require customization or novel approaches. ISO 9001:2015 certified engineering partnership from concept through deployment.
4. Training Services: Dedicated training courses for equipment operation, delivered through dedicated training portal with classroom and practical ocean-based sessions.
5. Service and Repair: Equipment servicing, repair, hydrostatic pressure testing, and field service support for deployed systems.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Sonardyne designs, manufactures and sells underwater acoustic positioning, inertial navigation, wireless communication and asset-monitoring hardware and software, built on its proprietary 6G acoustic platform. Its core products are the Ranger 2 USBL family, SPRINT-Nav inertial navigation family, Syrinx DVL, Origin ADCPs, Modem 6 acoustic modems, BlueComm 200 UV optical modem, RT 6 acoustic releases, Fetch pressure sensors, Observer subsea monitoring, and Fusion 2 software, sold to offshore energy, defence and ocean science customers.

Product overview

Sonardyne International is a subsea technology company offering a comprehensive portfolio of underwater acoustic, inertial and sensing products for navigation, positioning, communication and monitoring applications. The product range centers on the 6G (sixth generation) acoustic platform and includes Ranger 2 USBL family (Micro-Ranger 2, Mini-Ranger 2, Ranger 2) for underwater positioning, SPRINT-Nav family (SPRINT-Nav, SPRINT-Nav M, SPRINT-Nav U, SPRINT-Nav DP) and SPRINT INS for navigation, Observer for intelligent subsea asset monitoring, Origin ADCP family (Origin 600, Origin 65) for current profiling, BlueComm 200 UV for optical communications, Modem 6 series for acoustic communications, RT 6 release family (RT 6-1000, RT 6-3000, RT 6-6000, RT 6-HD) for mooring and release, and SMART for asset monitoring. The portfolio also includes Fetch pressure monitoring, Sentry CCS for carbon capture storage, Acoustic Data Logger for wellbore monitoring, MRAMS for riser monitoring, Tsunami detection system, and various transponders (AvTrak 6, WSM 6+, WMT 6, Marker 6, HPT, TZ, SST 6). Services include hire equipment programs, custom engineering, training, field service, and survey vessel charter. The systems are designed to work independently or integrate with each other, with Fusion 2 software providing unified control of LBL and SPRINT INS projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Ranger 2 USBL Ultra-Short BaseLine (USBL) acoustic tracking system for vessels and DP reference applications. Tracks multiple underwater targets beyond 7,000 m water depth. Sold to offshore survey, oil and gas, defence and science operators.
• Mini-Ranger 2 USBL Compact Ultra-Short BaseLine tracking system with 995 m operating range (extendable to 4,000 m) for AUVs and smaller vessels. Used by survey and inspection operators needing portable acoustic positioning.
• Micro-Ranger 2 USBL Lightweight, portable USBL acoustic tracking system for divers and small underwater drones in lakes, rivers and coastal waters. Sold to commercial divers, harbour authorities and small platform operators.
• Fusion 2 Software Navigation and positioning software that controls Long BaseLine (LBL), Sparse LBL and SPRINT Inertial Navigation System projects from a single interface. Used by survey engineers running subsea positioning projects.
• SPRINT-Nav All-in-one acoustic-inertial navigation system combining a SPRINT inertial sensor, Syrinx DVL and high-accuracy intelligent pressure sensor in a single housing for USVs, ROVs and AUVs. Sold to marine robotics and survey operators.
• SPRINT-Nav M Compact navigation system for inspection-class ROVs and USVs, integrating DVL, hybrid AHRS and depth sensor in a smaller form factor.
• SPRINT-Nav U Titanium-housed deep-rated navigation system for ROVs providing altitude, depth, orientation and velocity outputs in deep water.
• SPRINT-Nav DP Enhanced-performance acoustic-inertial navigation system designed specifically for vessel dynamic positioning applications.
• SPRINT INS Acoustically aided subsea inertial navigation system for ROVs, towed platforms and AUVs, fusing USBL, LBL, DVL and pressure sensor data.
• Syrinx DVL Doppler Velocity Log (DVL) with integrated ADCP capability, maintaining bottom lock up to 230 m and rated to 4,000 m depth with dual outputs. Sold to ROV and AUV manufacturers and operators.
• Observer Intelligent Subsea Asset Monitoring Intelligent subsea asset monitoring system combining low-power electronics, onboard analytics and wireless communications for real-time integrity monitoring of pipelines, risers, moorings, umbilicals and wellheads. ROV-deployable to 3,000 m for deployments up to 10 years. Sold to offshore energy operators and integrity management teams.
• Origin 600 ADCP Acoustic Doppler Current Profiler for near and inshore waters featuring onboard Edge data processing and built-in acoustic modems for near real-time data delivery. Sold to oceanographers and coastal engineers.
• Origin 65 ADCP Deep-water Acoustic Doppler Current Profiler with integrated sensors and communications for deep-water profiling operations. Sold to deep-water oceanographic and survey operators.
• Fetch AZA Pressure Sensor Pressure monitoring transponder with Ambient-Zero-Ambient calibration for centimetre-accurate, long-duration seafloor movement measurement for up to 10 years without recalibration. Sold to offshore operators running seabed subsidence and deformation monitoring programmes.
• BlueComm 200 UV Optical Modem Through-water wireless optical communication system supporting data rates up to 10 Mbps, HD video streaming and precise autonomous vehicle control at depths up to 4,000 m and ranges from 0.3 to 150 m. Sold to AUV operators and subsea inspection teams.
• Modem 6 Subsea Acoustic Modem Acoustic modem for point-to-point wireless underwater sensor data transfer at depths up to 5,000 m with data rates up to 9,000 bps. Sold to ocean science, defence and offshore operators.
• Modem 6 Surface Acoustic Modem Surface acoustic modem for topside communications and integration of vessel-based underwater communications. Sold as part of integrated subsea acoustic communication systems.
• RT 6-1000 Acoustic Release Transponder Acoustic release transponder with 1,000 m depth rating, 6G hardware platform flexibility and up to 2.5 years battery life. Used by survey and mooring operators for shallow-water equipment recovery.
• RT 6-3000 Acoustic Release Transponder Acoustic release transponder with 3,000 m depth rating for deep-water mooring and equipment deployment operations. Sold to deep-water survey and ocean science operators.
• RT 6-6000 Acoustic Release Transponder Acoustic release transponder with 6,000 m depth rating for ultra-deepwater mooring and equipment recovery applications.
• RT 6-HD Heavy Duty Acoustic Release Heavy-duty acoustic release transponder built for demanding industrial mooring applications requiring higher load handling.
• AvTrak 6 AUV Positioning and Telemetry Combined USBL positioning and acoustic telemetry transponder for AUV tracking and communication, available in multiple sizes for different vehicle configurations. Sold to AUV manufacturers and operators.
• Sentry CCS Surveillance System Active sonar lander system providing real-time surveillance around CO2 injection sites in carbon capture and storage applications. Detects microscopic leaks from up to 500 metres away. Sold to CCS operators and regulators.
• SMART Subsea Monitoring Transponder Asset monitoring and analysis transponder combining low-power electronics, data logging, subsea data processing and acoustic telemetry for long-duration remote monitoring campaigns. Sold to operators running long-term integrity campaigns.
• MRAMS Marine Riser Angle Monitoring System Marine Riser Angle Monitoring System for subsea drilling and production risers, monitoring position and movement to maintain vessel tolerance and riser integrity. Sold to drilling contractors and offshore operators.
• Tsunami Detection System Bottom Pressure Recorder-based tsunami early warning system based on technology deployed in the Indian Tsunami Early Warning System since 2007. Sold to national oceanographic agencies and governments.
• PIES Pressure Inverted Echo Sounder Pressure Inverted Echo Sounder combining pressure sensing with acoustic ranging technology for oceanographic measurements. Sold to ocean science institutions and offshore operators.
• Riser Profiling System System for monitoring and profiling subsea riser geometry and movement, supporting riser integrity management during drilling and production. Sold to drilling contractors and offshore operators.
• DiveTrack Diver Tracking System Diver tracking and communication system for military and commercial diving operations. Sold to navies, commercial diving contractors and harbour authorities.
• Subsea Equipment Hire Rental programme providing immediate access to latest-generation subsea navigation, positioning, communications and monitoring systems with factory certification and direct manufacturer support. Operated from Aberdeen, Houston and Singapore and used as an entry point for project-based work.
• Custom Engineering Services Custom engineering services that create novel subsea solutions for specific client problems, from adapting transponders to delivering integrated long-term seabed monitoring systems. ISO 9001:2015 certified. Sold to offshore operators requiring bespoke configurations.
• Sonardyne Training Courses Professional training programmes covering Sonardyne equipment operation, maintenance and deployment, delivered through a dedicated training portal with classroom and ocean-based practical sessions at Plymouth. Sold to operators, surveyors and engineers using Sonardyne equipment.
• Survey Vessel Charter and Trials Support Charter services and operational support for survey and testing activities, providing access to Plymouth Sound testing facilities. Sold to survey contractors and operators needing trials support.
• Field Service and Remote Support On-site technical support, troubleshooting and maintenance services backed by a global support network across UK, USA, Brazil, Singapore and Germany. Sold alongside product deployments to keep systems operational.

Named customers10 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature8 records

Partnerships

Six partnerships are on record, tiered core.

• University of Plymouth and Plymouth Marine LaboratorycoreStrategic or Co-development Partner · 21 June 2026Collaboration on Smart Sound Connect Subsurface (SSCS) project - £1.2m three-year initiative creating UK's premier marine autonomy testbed in Plymouth Sound. Sonardyne participates in multi-robot demonstrations showcasing subsea testing infrastructure with seabed node array for underwater positioning and communications.
• AMOGcoreStrategic or Co-development Partner · 5 June 2026MoU signed to jointly develop integrated subsea asset monitoring service for offshore energy operators. Combines Sonardyne's wireless Observer monitoring platform with AMOG's engineering analysis capabilities for near-real-time data on subsea infrastructure including moorings, pipelines, and risers. Already collaborating on mooring monitoring system for European floating offshore wind project.
• Cellula RoboticscoreTechnology or Integration · 10 March 2026Cellula Robotics selected Sonardyne technology for long-range AUVs, including ordering SPRINT-Nav X, AvTrak 6, and Ranger 2 USBL positioning systems for hydrogen fuel-cell powered AUVs (Guardian and Porter).
• VoyiscoreStrategic or Co-development Partner · 20 January 2026Joint invite-only showcase event scheduled February 3-4, 2026 at Scripps Institution of Oceanography, focused on next-generation ocean insights, autonomous operations, and marine robotics technologies. Both part of Covelya Group.
• EIVAcoreTechnology or IntegrationSister company within Covelya Group. Collaborating on subsea imaging, navigation and autonomy solutions for ORE inspections, combining complementary underwater technology offerings.
• XOCEANcoreTechnology or IntegrationPartnership enabling remote acoustic data harvesting service from Shell's Ormen Lange gas field using XOCEAN's uncrewed surface vehicles (USVs) equipped with Sonardyne technology.

Scale indicators9 records

Recent moves8 records

Expansion highlights6 records

Emerging players

• Valeport: Valeport is a UK-based manufacturer of oceanographic and hydrographic instruments (sound velocity probes, current meters, CTDs) that compete with Sonardyne's Origin ADCP and supporting ocean-science sensors in adjacent product categories.
• Kraken Robotics: Kraken Robotics is acquiring Sonardyne's parent Covelya Group; it supplies synthetic-aperture sonar, AUVs, and seabed-imagery products that, post-deal, will be deeply complementary — but already overlaps in subsea sensor and AUV payload markets today.
• Norbit Subsea: Norbit offers compact, lower-cost multibeam sonars and USBL systems targeting smaller vessels and emerging survey applications, increasingly competing with Sonardyne's Micro-Ranger 2 and Mini-Ranger 2 at the entry tier.

Direct peers

• Exail (formerly iXblue): Exail's iXblue division supplies inertial navigation systems (Phins), USBL positioning (Gaps), and subsea acoustic products that compete head-to-head with Sonardyne's SPRINT-Nav and Ranger 2 families in the offshore, defence, and science markets.
• Kongsberg Discovery (subsea/scientific): Kongsberg Discovery supplies acoustic positioning and scientific instrumentation (e.g., bottom pressure recorders, ADCPs) that overlap with Sonardyne's Fetch, Origin ADCP, and tsunami detection product families in ocean science and CCS.
• EdgeTech: EdgeTech manufactures side-scan sonars, sub-bottom profilers, and bathymetric systems used by hydrographic, defence, and offshore survey customers, competing with Sonardyne's acoustic and monitoring product lines for survey-vessel integrators.
• Kongsberg Maritime: Kongsberg Maritime is a leading supplier of underwater acoustic positioning (HiPAP USBL), subsea navigation, and sonar systems for offshore energy, defence, and scientific customers — Sonardyne's closest competitor across USBL, AUV/ROV navigation, and acoustic releases.

Broad incumbents

• Saab Seaeye: Saab Seaeye is a major manufacturer of ROVs and underwater robotics that integrates competing navigation and positioning stacks (often including Sonardyne's, but also third-party alternatives) — a key ecosystem participant and indirect competitor through system-level bids.
• Atlas Elektronik: Atlas Elektronik (a ThyssenKrupp Marine Systems subsidiary) supplies naval sonar, mine countermeasures, and unmanned underwater systems, competing with Sonardyne's defence-side navigation, diver tracking, and AUV-enabling technology in naval tenders.
• Teledyne Marine: Teledyne Marine bundles multiple subsea brands (including Teledyne RD Instruments, Benthos, and Odom) offering acoustic modems, USBL, sonar, and oceanographic instruments that overlap Sonardyne's navigation, communication, and monitoring portfolio with broader scale and resources.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCJdBeBqogYMHC8q4PJskY0w
• Xx.com/sonardyne
• Facebookfacebook.com/Sonardyne
• LinkedInlinkedin.com/company/sonardyne-international-ltd

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sonardyne International