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Cutting-Edge Marine Technologies & Engineering Services for Challenging Subsea Operations Spain
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PLOATECH

Cutting-Edge Marine Technologies & Engineering Services for Challenging Subsea Operations

Ploa Technology Consultants S.L. (PLOATECH) is a pioneering provider of scientific and customized engineering services that utilize cutting-edge technologies to ensure mission success across a broad range of underwater, offshore and deep-sea projects. With deep experience in the commercial, scientific, and defense sectors, the company’s solutions have been proven in the most remote and challenging of marine environments.

Offering a unique combination of marine science and engineering expertise, PLOATECH has been delivering bespoke solutions to the most complex problems for over 25 years, providing end-to-end support throughout the entire project lifecycle. The company’s specializations include remote sensing, robotics, submersibles, data processing, and instrumentation, all tailored to the unique requirements of each customer.

Ploatech Solutions for Marine and Scientific Challenges

PLOATECH is committed to environmental sustainability, and voluntarily partakes in initiatives to measure and reduce environmental footprints that go beyond mandatory requirements. This commitment reflects the company’s dedication to minimizing impact on underwater ecosystems and contributing to a more sustainable future.

More information: PLOATECH’s Underwater Innovation

Why Choose PLOATECH?

PLOATECH offers an unprecedented combination of advantages for marine and offshore customers requiring the utmost in performance, reliability and quality.

PLOATECH Marine Technologies & Engineering Services

Multi-Industry Expertise – PLOATECH’s team of experts boasts broad and deep experience and a proven track record across a wide range of sectors, including commercial and industry, scientific research, academia, and government and defense.

Cutting-Edge Technology – PLOATECH prides itself on keeping at the forefront of marine technology, utilizing the state of the art in surface and subsea robotics, sensors and instrumentation, and software to deliver optimal solutions for each client.

Rugged Field Reliability – Going beyond the requirements of standard marine deployments, PLOATECH designs its solutions to ensure ultra-reliability even in the harshest of real-world environments, from the most remote of locations to the deep sea.

Comprehensive Project Support – Adopting a highly flexible approach, PLOATECH tailors its offerings precisely to your exact needs. The company can support clients throughout the entire project lifecycle, undertaking everything from initial concept development through to operational deployment.

Oceanographic Services

Ploatech Oceanographic Services

Drawing on a wealth of field experience in the deployment of advanced instrumentation and robotics in demanding underwater environments around the world, PLOATECH supports clients with a comprehensive range of oceanographic services.

Ploatech Instrumentation Design & Development

With the ability to carry out every aspect of subsea operations from mission planning through to data processing and deliverables, PLOATECH’s services are ideal for scientific research, offshore energy, environmental monitoring, infrastructure projects, and more.

Capabilities include:

Ploatech Payloads & Upgrades

Survey Operations

  • Survey design & preparation
  • O3D & 4D mapping including multiparametric data
  • Sensor calibration
  • Integration of sensors into vessels & underwater vehicles
  • Survey implementation

Ploatech O3D & 4D Mapping

Data Processing & Visualization

  • Seafloor and water column data gathering
  • O3D & 4D mapping including multiparametric data
  • Real-time processing & post-processing
  • Data reviewing, report generation & deliverables

Instrumentation Design & Development

PLOATECH specializes in the design and development of customized underwater instrumentation tailored to unique scientific, commercial, defense, and environmental applications. These bespoke solutions can be integrated into a wide variety of crewed and uncrewed vehicles and vessels, along with a range of third-party sensors and equipment.

Engineered to withstand harsh marine and deep-sea operating conditions, PLOATECH’s solutions can be seamlessly adapted to your existing systems and workflows, delivering high-quality data with the utmost in precision and efficiency.

Ploatech Customized Underwater Instrumentation

Examples of custom instrumentation include:

Sensors

  • Stereo, omnidirectional & hyper/multispectral imaging
  • Gamma radiation spectrometry & imaging

Systems Integration

  • Benthic laboratories & landers
  • Water column samplers
  • Multiparametric data acquisition platforms

Automated Systems

  • Sediment samplers
  • Benthic analysis systems control & logging

Payloads & Upgrades for Surface & Subsea Vehicles

PLOATECH boasts extensive experience in the design, development, and operation of state-of-the-art crewed, remotely operated and autonomous vehicles. The company provides advanced customized payloads and upgrade packages for a wide variety of platforms, including USVs, ASVs, AUVs, ROVs and subsea gliders.

Surface & Subsea Vehicles

These specialized technologies enhance operational performance and expand mission capabilities for environmental research, oil and gas, subsea construction, defense and security, and much more.

Ploatech Payloads Upgrades Possibilities include:

  • Acoustic and imaging sensors
  • Vehicle batteries & power distribution systems
  • Gamma radiation sensors
  • Underwater positioning & communications
  • Manipulators & tools

Projects & Experience

With over 25 years of experience in the underwater domain, PLOATECH is committed to continual innovation, and actively participates in a variety of projects, including initiatives funded by the European Union, and public and private institutions.

Examples of PLOATECH’s proven track record include:

NEXTMARINE – Marine ecosystem sampling & imaging
PLOATECH is a key partner in the Horizon Europe-funded NEXTMARINE project, a €4.5 million initiative focused on exploring extreme marine environments to unlock sustainable bio-based innovations. The company is developing advanced underwater multispectral ROV imaging and mapping technologies that enable non-invasive exploration and sampling of fragile deep-sea ecosystems.

RAMONES – Low-power AUV radiation sensors
As part of the EU Horizon 2020 RAMONES project, PLOATECH is advancing autonomous technologies for continuous marine radioactivity monitoring. The company has developed low-power, pressure-tolerant radioactivity sensors for integration into underwater gliders and seabed laboratories, enabling long-term environmental monitoring with minimal human intervention.

Navigating the New Arctic – AUV & ROV technologies
PLOATECH contributed its marine technology and field operations expertise to a project led by the Woods Hole Oceanographic Institution under the US National Science Foundation’s Navigating the New Arctic initiative. The company supported under-ice technology demonstrations and field operations in Prudhoe Bay, Alaska, using autonomous underwater vehicles to advance understanding of sea ice dynamics and climate change impacts.

LUCY – Hydrothermal energy harnessing
PLOATECH coordinates the LUCY (Long-term Underwater Thermoelectric Energy) project, developing a novel deep-water hydrothermal energy generation system to provide continuous power for scientific instruments, benthic laboratories, and permanent subsea monitoring stations. The company is designing the submarine heat exchange and energy conversion system, alongside a modular thermoelectric energy platform and working prototypes.

SANTORY – Seafloor volcanic observation
PLOATECH is contributing advanced underwater technologies to the SANTORY project, which is establishing a permanent seafloor observatory at the Kolumbo submarine volcano near Santorini. The observatory combines a range of environmental sensors to continuously monitor volcanic, seismic, chemical, and biological activity, improving understanding of natural hazards in the Eastern Mediterranean.

MARINARA – Water quality monitoring with USVs
PLOATECH is leading the MARINARA project in partnership with AEON P.C., integrating unmanned surface vehicles with Internet of Things technologies for real-time water quality monitoring. The system combines an autonomous USV platform with environmental sensors to measure parameters including pH, turbidity, and temperature, providing continuous data from lakes, reservoirs, and other inland water bodies.

Contact PLOATECH to learn more about their custom underwater engineering, remote sensing, and subsea robotics capabilities.

Articles

Hydrothermal Energy System Targets Long-Term Underwater Power
Latest
Hydrothermal Energy System Targets Long-Term Underwater Power

PLOATECH and ViCOROB are developing the LUCY thermoelectric system, designed to provide continuous underwater power for scientific instruments, monitoring stations, robots, and vehicle charging

Jul 29, 2026
Regional Offices & Locations
PLOATECH Spain Carrer Pic de Peguera, 11, Parc Científic i Tecnològic UdG, 17003, Girona +34 872 09 54 09 Contact Contact Website