Offshore Renewables Survey Services


A-2-Sea’s survey capability is specially tailored towards the provision of survey services for pre-construction, installation support, post-construction, scour monitoring, cable depth of burial and jack-up barge operations in the offshore wind sector.

A-2-Sea utilises a dedicated survey vessel for 12-hr and 24-hr operations, state-of-the-art survey equipment and skilled survey professionals to provide a cost-effective and time efficient survey solution. To discuss project requirements or for information on survey vessels, please call us on 01794 830909 or email us.

A-2-Sea’s specialised survey personnel are experienced with marine renewables surveys and are practised in both construction and O&M projects.

Tailored Survey Services:

  • High resolution seabed mapping and inspection surveys (cables and vertical structures) using the latest generation shallow water multibeam echo sounders and side scan sonars.
  • Cost-effective pre-construction baseline surveys and reconnaissance surveys
  • Ultra-high resolution hazard identification surveys (UXO) using marine magnetometers and gradiometers.
  • ROV visual inspection

Cost-effective Survey Solution:

  • Rapid mobilisation of dedicated in-house survey vessel with 12-hr and 24-hr operational capability.
  • Dedicated shallow-draft survey vessel
  • Cost-effective weather standby packages
  • 24hr data processing facilities
  • Time-efficient delivery of data deliverables

Data Quality:

  • Utilisation of the latest generation, state-of-the-art, survey equipment and specialist software packages
  • Surveys carried out to meet and exceed Internationally recognised standards (International Hydrographic Organisation S-44 standards) and to adhere to bespoke seabed comparison requirements.

Data Processing and Reporting:

  • Comprehensive deliverables provided to the required standards of the relevant licencing authority
  • On board data processing facilities allows for rapid turnaround time for the provision of data deliverables
  • High specification processing PCs and use of industry leading data processing software (QPS Qimera and CARIS HIPS & SIPS) allows for the production and visualisation of ultra-high resolution survey deliverables.
  • Seabed data comparisons and analysis undertaken
  • A team of GIS and CAD specialists for charting deliverables



A-2-Sea featured at numbers 13 and 21 in two recent prestigious Sunday Times Fast Track and Export Track awards. ... Read More

Project: Nautical Charting

A-2-Sea awarded 3 to 5 year contract with the Maritime & Coastguard Agency’s Civil Hydrography Programme. ... Read More

Project: Highlands & Islands

A-2-Sea has installed 40 beach joints as part of the record-breaking operation to bring superfast broadband to the Scottish Highlands. ... Read More

Get in touch

Contact the A-2-Sea team on 01794 830909 or