Cross Subsea Services

Company Type
Offshore Geophysical & Geotechnical Services

+44 2920 160923

Company Snapshot
Cross Subsea Services
Cardiff, United Kingdom
Company Type
Company Size
2-10 employees
Coastal EngineeringDredging & Marine ConstructionMarine Renewable EnergyOffshore ConstructionOffshore Oil & GasOffshore Wind EnergyPorts, Harbours & TerminalsSubsea Cables & Pipelines
About Us
Cross Subsea Services provides offshore geophysical, geotechnical, and UXO services to the Offshore Renewables and Oil & Gas industries throughout Europe and beyond. We deliver a niche service based on geological understanding directed at providing engineering solutions, particularly in the areas of offshore and marine geotechnical site investigations.

We deliver high level technical skills to a wide range of clients, including EPCI contractors, engineering consultants, research organisations, and other consultants and professionals.

Our core services include:

Geophysical, UXO, and Geotechnical Surveys
  • Operation of marine geophysical survey equipment, e.g. remotely operated towed vehicles (ROTV), side scan sonar (SSS), sub-bottom profilers (SBP), and magnetometers
  • Operation of marine geotechnical survey equipment, e.g. seabed cone penetration testing (CPT) equipment, vibrocorers, piston corers, gravity corers, box corers, and grab samplers
  • Operation of remotely operated vehicles (ROV) for subsea inspections and surveys

Offshore Support and Personnel

  • Provision of Offshore Client Representatives, Works Managers, Project Managers, and Party Chiefs for offshore, nearshore, and inshore operations

Offshore Aerial Photography & Filming

  • Drone/UAV footage of offshore operations performed from vessels and self-elevating platforms
Services & Activities
EngineeringGeoscienceGeotechnicalHydrography & GeophysicsInspection, Repair & MaintenanceMeasurement & Instrumentation
Hydrographic & Geophysical Services
2D Seismic Reflection2D Seismic RefractionMagnetometry (UXO)Side Scan Sonar (SSS)
Geotechnical Services
Seabed CPT TestingVibrocore SamplingPiston Core SamplingGravity Core SamplingBox Core SamplingGrab Sampling
Baltic Sea
Project Capacity:
350 MW
Bibby HydroMap, formerly Osiris Projects, specialises in the provision of highly accurate and precisely positioned seabed and sub-seabed survey data. With a fleet of five purpose built vessels, mobilised with advanced survey and positioning equipment, Bibby HydroMap offers services including hydrographic and geophysical survey, geotechnical investigation ... Moreand ROV/AUV survey and inspection.

The company draws upon decades of experience to provide quality, cost-efficient survey services, working closely with clients from the oil and gas, offshore renewables, subsea cables, ports and harbours, aggregates, and utilities industries.

Bibby HydroMap have worked with world-class, globally-recognised oil and gas organisations since establishment, providing a variety of services relevant to all construction and monitoring phases. We are also among the most experienced contractors in European offshore renewables with almost 20 years' history.
RMS Submarine, a Next Geosolutions Group company, are a marine resource solutions company based in Bury St Edmunds, United Kingdom. RMS provide consultancy, project management, R&D, personnel & equipment/key asset resourcing solutions (often combined and with in-house technical support) to our clients in the survey, offshore renewables, subsea ... Moretelecoms and oil & gas sectors.
Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og miljø). Geo's services range from fieldwork, to laboratory tests in our state-of-the-art laboratory to the final report, enabling Geo to offer consultancy to every phase of ... Morea project. Services & Expertise:

Geotechnical Consultancy, onshore and offshore (geoteknisk rådgivning):

Environmental Engineering and Consultancy (miljørådgivning om jord og grundvand)

Offshore Investigations

Geothermal Energy and Groundwater Engineering

Laboratory Tests and Consultancy (laboratorieforsøg)

Drilling (boreteknik)

To ensure the highest expertise to every project, more than 250 employees work across Geo's departments and competences to ensure the optimal solution for our clients. In addition to employing engineers, we also employ geologists, hydrogeologists, geophysicists and chemists to offer clients a specialised solution.
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+44 2920 160923
Head Office
29 Ty'R Y Sarn Road, Rumney, Cardiff CF3 3BD, United Kingdom