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Marine Survey

Boskalis provides best-in-class geophysical, geotechnical and environmental marine surveys through its subsidiaries Gardline and Horizon. We offer a comprehensive package to the marine industry supporting the development of marine facilities for the energy sector.

Our expertise is the provision of marine surveys, which are critical for the correct design of the foundations of offshore structures such as wind turbines and associated infrastructure. Over the last 15 years we have successfully completed many marine survey projects for offshore wind farm developers in Europe and the US.

Link To Gardline


Multidisciplinary marine survey company Gardline, a wholly owned subsidiary of Boskalis, provides a comprehensive range of marine services including geophysical, geotechnical and environmental surveys. Established in 1969 in Great Yarmouth, Gardline has grown to become one of the world's largest and well reputed marine survey companies.

Medium 1A. Horizon Geobay

Horizon Geosciences

Boskalis subsidiary Horizon Geosciences provides marine survey and geotechnical services to an array of clients around the world. We support every stage of offshore and nearshore projects through a comprehensive range of marine scientific services and fully equipped vessels. Founded in 2004 and initially focusing on precise positioning and survey, Horizon Geosciences has now gained solid reputation in the oil & gas and renewables industries.

Horizon Geosciences
Fleet (1)

Our marine survey fleet

Our vessels and supporting equipment and systems are state-of-the-art and fully compliant with the highest offshore requirements.

Take a look at our fleet

Gardline: Over 50 years of expertise

Welcome to the world of Gardline