LinkQuest
LinkQuest is a privately held San Diego-based manufacturer of precision underwater acoustic instruments — modems, USBL tracking systems, current profilers, DVLs, echosounders, and positioning systems — serving offshore oil & gas, defense, and oceanographic research customers in 80+ countries.
- Company typePrivate
- Founded1998
- HeadquartersSan Diego, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What LinkQuest does
LinkQuest Inc. is a privately held San Diego-based manufacturer of precision underwater acoustic instruments, founded in 1998 by UC Berkeley-trained engineers. The company designs, develops, and produces a full portfolio of broadband acoustic products — including high-speed underwater acoustic modems, Ultra Short Baseline (USBL) tracking systems, acoustic Doppler current profilers, Doppler velocity logs (DVLs), multibeam echosounders, Long Baseline (LBL) positioning systems, and the Precision Marine Geodetic System (PMGS) — all built around its proprietary Broadband Acoustic Spread Spectrum (BASS) Technology. LinkQuest claims the position of the only company globally producing all five core underwater acoustic product categories, with SoundLink modems transporting more than 95% of the world's acoustic communication data and TrackLink systems described as the world's best-selling USBL tracking systems.
The company's commercial model is direct hardware sales to enterprise end-users, supplemented by regional distributors and equipment rental partners across 80+ countries. Systems are priced on a one-time perpetual basis, ranging from approximately $15,000 for basic TrackLink 1500LC and modem systems up to $54,900+ for high-accuracy TrackLink 5000HA configurations, with PMGS transponder deployments ordered in the dozens. Primary customer segments are offshore oil & gas (Fugro, Shell, BP, ExxonMobil, Petrobras), defense (US Navy SPAWAR, Lockheed Martin, Boeing), and oceanographic research (NOAA, NASA, Woods Hole, Japan Coast Guard, National Oceanography Centre UK). A long-standing technology integration with Kongsberg embeds LinkQuest modems as standard on every Hugin deepwater AUV, and LinkQuest has begun extending into adjacent verticals such as offshore wind, water-resource management, and tsunami/earthquake monitoring via government deployments.
The company has remained founder-led and privately financed with no disclosed external funding rounds or institutional investors, operating from a 20,000 sq ft headquarters facility in San Diego. Recent product launches (FlowScout 300 in January 2025, FlowQuest 629 in November 2024, TrackLink 1500 deliveries in May 2024, and significant UWM3000H modem orders in May 2023) demonstrate ongoing R&D cadence and incremental vertical expansion, though growth is paced by the longer project cycles inherent to the company's oil & gas, defense, and oceanographic customer base.
LinkQuest firmographics
Firmographics- Name
- LinkQuest
- Legal name
- LinkQuest Inc.
- Website
- https://link-quest.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- LinkQuest is a privately held San Diego-based manufacturer of precision underwater acoustic instruments — modems, USBL tracking systems, current profilers, DVLs, echosounders, and positioning systems — serving offshore oil & gas, defense, and oceanographic research customers in 80+ countries.
- Ownership category
- akta.pro rank
LinkQuest industry classification
Industry- Product category
- Underwater Acoustic Instruments
- NAICS
- Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823)
- akta.pro primary industry
- Sonar, Undersea Sensors & Acoustic Detection Systems (IMABAGAD)
- akta.pro secondary industries
- Unmanned Underwater Vehicle (UUV) & Autonomous Submersible Manufacturing (IMAJAOAC), Submarine Combat Systems & Sonar Manufacturing (CMS, Sensors, EW) (IMAJAOAH)
Keywords
Where LinkQuest is headquartered
LocationHeadquarters
- HQ city
- San Diego
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
LinkQuest business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Underwater Acoustic Modems: Sale of underwater acoustic modems for underwater wireless communication, data telemetry, and sensor interfacing. Products include UWM1000, UWM2000, UWM3000, UWM4000 series and specialized variants. Modems are sold as complete systems with pricing starting from $15,000 for basic systems.
- USBL Acoustic Tracking Systems: Sale of TrackLink USBL positioning systems including TrackLink 1500, 5000, and 10000 series with various accuracy levels and ranges. Basic systems start from $15,000 for TrackLink 1500LC and $34,900 for TrackLink 5000LC.
- Acoustic Current Profilers: Sale of FlowQuest acoustic current profilers for measuring currents and flows in oceans, harbors, lakes and rivers. Includes FlowQuest 75, 150, 300, 600, 1000, 2000 series and specialized models.
- Doppler Velocity Logs: Sale of NavQuest Doppler Velocity Logs for precision underwater navigation and positioning of underwater vehicles. Includes NavQuest 300, 600, and 600 Micro models.
- Multibeam Echosounders: Sale of EchoSweep 300 Multibeam Echosounder for high-resolution swath bathymetric mapping of sea floor, inland waterways and reservoirs.
- LBL Acoustic Positioning Systems: Sale of PinPoint LBL acoustic positioning systems and Precision Marine Geodetic Systems for highly accurate seafloor positioning and movement monitoring.
- Acoustic Flow Meters: Sale of FlowScout acoustic flow meters for measuring water velocities in water channels and rivers, including FlowScout 300, 600, and 2000 models.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | TrackLink 1500LC Basic System |
| One time/ perpetual license | Multi-year contract | TrackLink 5000LC Basic System |
| One time/ perpetual license | Multi-year contract | TrackLink 5000MA System |
| One time/ perpetual license | Multi-year contract | TrackLink 5000HA System |
| One time/ perpetual license | Multi-year contract | TrackLink 10000 Series |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
LinkQuest product offering
Product offeringCore offering
LinkQuest designs, manufactures, and sells precision underwater acoustic instruments including high-speed acoustic modems, USBL acoustic tracking systems, acoustic current profilers, Doppler Velocity Logs, multibeam echosounders, and LBL/geodetic positioning systems. Products are sold as complete hardware systems to enterprise and government customers for offshore oil and gas, oceanographic research, defense, and hydrographic survey applications, with pricing for entry-level systems starting from $15,000.
Product overview
LinkQuest is an innovative American high-tech company based in San Diego, California, specializing in precision acoustic instruments for offshore oil exploration, construction, drilling, survey, environmental study and other oceanographic applications. The company produces six lines of sophisticated underwater acoustic products based on proprietary Broadband Acoustic Spread Spectrum (BASS) Technology. These include: (1) SoundLink High Speed Acoustic Modems - the dominant supplier worldwide, transporting over 95% of the world's acoustic communication data; (2) TrackLink USBL Acoustic Tracking Systems - the world's best selling USBL tracking systems for positioning ROVs, AUVs, manned submersibles, and divers; (3) FlowQuest Acoustic Current Profilers - for measuring currents and flows in oceans, harbors, lakes and rivers; (4) NavQuest Doppler Velocity Logs - for precision underwater navigation; (5) EchoSweep 300 Multibeam Echosounder - for high-resolution bathymetric mapping; (6) PinPoint LBL Acoustic Positioning Systems - for high-accuracy long baseline positioning; and (7) Precision Marine Geodetic System - the world's only commercial system capable of sub-centimeter accuracy for seafloor geodesy applications. LinkQuest is the only company in the world capable of producing all five sophisticated underwater acoustic product categories: acoustic modems, USBL tracking systems, acoustic current profilers, Doppler velocity logs, and multibeam echosounders.
Differentiator
Problem solved
Functional benefit
Brands
- SoundLink: High Speed Acoustic Modems - transport more than 95% of the world's acoustic communication data
- TrackLink
- FlowQuest
- NavQuest
- EchoSweep 300
- PinPoint
- Precision Marine Geodetic System (PMGS)
- FlowScout
Products and services
- SoundLink High Speed Acoustic Modems Underwater acoustic communication modems based on proprietary Broadband Acoustic Spread Spectrum (BASS) Technology. Transport more than 95% of the world's acoustic communication data. Used for real-time underwater data transmission, sensor data upload, and forming large underwater acoustic communication networks with hundreds of nodes.
- TrackLink Acoustic Tracking Systems Ultra Short Baseline (USBL) acoustic tracking systems providing highly robust, accurate and cost-effective underwater positioning for ROVs, AUVs, manned submersibles, towed systems and divers up to 11,000 meters range. Integrated acoustic modem function eliminates acoustic interference between communication and positioning systems.
- FlowQuest Acoustic Current Profilers Acoustic Doppler-based current profilers for measuring currents and flows in oceans, harbors, lakes and rivers. Models include FlowQuest 75, 150, 300, 600, 629, 1000, and 2000 with ranges from 20 to 900 meters and accuracy up to 0.25%.
- NavQuest Doppler Velocity Logs (DVL)
Quantifiable outcome
- TrackLink 5000HA system tracked ROV HERCULES reliably at 3850 meters depth during Titanic expedition
- +6 more outcomes
Companies that use LinkQuest
Customer profileNamed customers18 records
Segments5 records
Ideal customer profiles4 records
LinkQuest technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
LinkQuest partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered regional, core and minor.
- Advanced Marine Pte LtdregionalRegional representative for Southeast Asia region. Provided valuable support for customer deployments in Singapore and surrounding areas.
- SEA CorpregionalDistributor for Japan market via www.seanet.co.jp. Facilitated delivery of TrackLink 1500HA systems to underwater construction companies in Japan including Akasaka Tech Co.
- Underwater Video SystemsregionalDistributor in Australia. Brought in orders from Defence Science and Technology Organization and New South Wales EPA.
- MacArtney A/SregionalDanish company that ordered TrackLink 1500MA system to be installed on Seaeye Falcon ROV for client.
- KongsbergcoreMajor AUV manufacturer. Long-standing relationship where LinkQuest's UWM4010 modems are installed on every Kongsberg Hugin deepwater AUV. Provided modems for Hugin 3000, Hugin 4500, and subsequent models.
- Deep Ocean EngineeringminorWorked with LinkQuest on PinPoint 1500 demonstration for US Navy at San Diego Naval Station. Demonstrated ROV hull inspection capabilities.
Scale indicators7 records
Recent moves8 records
Expansion highlights5 records
LinkQuest competitors and assessment
Company assessmentBroad incumbents
- Thales Group (Underwater Systems): Large European defense prime with submarine sonar, acoustic communications, and underwater warfare systems. Competes with LinkQuest in defense and navy applications (sonar, USBL) as part of a much broader portfolio, and is a relevant broad incumbent comparable.
Direct peers
- Kongsberg Maritime: Norwegian maritime technology major that builds Hugin AUVs and provides acoustic positioning, sonar, and underwater communication systems. Directly competes with LinkQuest in modems and USBL while simultaneously being a major customer (Hugin AUV modem integration).
- Sonardyne: UK-based manufacturer of USBL (Scylla), LBL, and acoustic positioning systems used in offshore oil & gas, defense, and oceanographic research. Directly competes with LinkQuest's TrackLink and PinPoint product lines and serves overlapping customers (Fugro, major oil companies, navies).
- Nortek Subsea (Nortek Nucleus): Norwegian/US manufacturer of Doppler velocity logs (DVL1000), acoustic current profilers, and subsea navigation equipment. Directly competes with LinkQuest's NavQuest DVL and FlowQuest product families in the AUV/ROV and offshore survey segments.
- Norbit Subsea: Norwegian manufacturer of compact multibeam echosounders (iWBMSe, NORBIT iWBMSc) widely used on USVs and small survey platforms. Competes directly with LinkQuest's EchoSweep 300 in the bathymetric and hydrographic survey segment.
- Tritech International: UK-based supplier of underwater acoustic sensors, sonars, and USBL positioning systems for ROVs and subsea vehicles. Competes with LinkQuest's TrackLink and integrates with the same ROV platforms (Seaeye, Sub-Atlantic).
- Imagenex: Canadian manufacturer of multibeam echosounders, sidescan sonar, and acoustic profiling instruments. Competes with LinkQuest's EchoSweep 300 multibeam echosounder and FlowQuest profilers in hydrographic and inland survey markets.
- Exail (formerly iXblue): French-headquartered vendor of high-performance USBL (Posidonia), acoustic modems, inertial navigation, and subsea positioning systems. Competes directly with LinkQuest in deepwater acoustic positioning and is also a partner/supplier to AUV and offshore survey operators.
- Teledyne Marine (including RD Instruments): Teledyne subsidiary that produces the workhorse ADCP/DVL line (including RDI Workhorse ADCP) directly competing with LinkQuest's FlowQuest current profilers and NavQuest DVLs. Teledyne's scale and OEM integration (e.g., with Shell) makes it a broad incumbent competitor.
- EvoLogics: German manufacturer of underwater acoustic modems, USBL positioning (LBL), and sonar systems using proprietary swept-frequency (S2C) technology. Direct competitor in acoustic communications and positioning for oceanographic, offshore, and defense customers.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat7 records
Key risks6 records
Key highlights7 records
Customer concentration
LinkQuest social profiles
Digital presenceLinkQuest financial estimates
Financial estimateRevenue estimate
Valuation estimate
LinkQuest leadership team
Management profileNumber of profiles
LinkQuest funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
LinkQuest 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 LinkQuest
What does LinkQuest do?
LinkQuest designs, manufactures, and sells precision underwater acoustic instruments including high-speed acoustic modems, USBL acoustic tracking systems, acoustic current profilers, Doppler Velocity Logs, multibeam echosounders, and LBL/geodetic positioning systems. Products are sold as complete hardware systems to enterprise and government customers for offshore oil and gas, oceanographic research, defense, and hydrographic survey applications, with pricing for entry-level systems starting from $15,000.
Is LinkQuest a public or private company?
LinkQuest is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was LinkQuest founded?
LinkQuest was founded in 1998. It employs 11 to 50 people.
Where is LinkQuest based?
LinkQuest is headquartered in San Diego, United States, in the North America region.
How does LinkQuest make money?
Seven revenue lines are on record. Underwater Acoustic Modems are the primary driver. The others are USBL Acoustic Tracking Systems, acoustic Current Profilers, doppler Velocity Logs, multibeam Echosounders, LBL Acoustic Positioning Systems and acoustic Flow Meters.
Who are LinkQuest's main competitors?
Thales Group (Underwater Systems) is listed as a broad incumbent. Direct peers are Kongsberg Maritime, Sonardyne, Nortek Subsea (Nortek Nucleus), Norbit Subsea, Tritech International, Imagenex, Exail (formerly iXblue), Teledyne Marine (including RD Instruments) and EvoLogics.
Does LinkQuest have an API?
No public API is recorded for LinkQuest.
What industry is LinkQuest in?
LinkQuest's product category is Underwater Acoustic Instruments. Its primary akta.pro industry code is IMABAGAD, Sonar, Undersea Sensors & Acoustic Detection Systems, with a secondary code of IMAJAOAC, Unmanned Underwater Vehicle (UUV) & Autonomous Submersible Manufacturing. Its NAICS code is 334511 and its SIC code is 3823.