Home Company Equipment Activities Projects Careers Sustainability Allseas / Company Company Allseas is a world-leading contractor in the offshore energy market. Experts in the design and execution of large and complex offshore projects, we are constantly pushing the boundaries of technology. Designed and optimised in-house, our versatile fleet of specialised vessels operate worldwide, equipped with the most advanced equipment and systems. Allseas specialises in four core activities: offshore pipeline installation, heavy lift, deep-ocean polymetallic nodule collection and river waste collection. Read more Offices and yards Activities Pipelines and subsea Allseas specialises in the design and installation of subsea pipelines and associated seabed structures for all water depths; from very shallow to ultra-deepwater environments. Read more Heavy lifting Allseas has revolutionised “single lifting” by developing an innovative technique to install and remove entire offshore structures in one lift using a motion compensation system developed in-house. Read more Innovations Allseas continuously improves the performance of its vessels and equipment by developing new technologies that enable us to execute more challenging projects safer, more efficiently and to the highest quality. Read more Deep-sea polymetallic nodule collection We are developing technology to recover polymetallic nodules from the ocean floor and transfer them to the surface for transportation to shore. Read more Fabrication Allseas has various specialised facilities where custom-made equipment and structures for commercial projects are fabricated, as well as parts for vessel new-builds and vessel modifications. Read more River plastics removal We contribute to preventing pollution by developing systems that catch waste in rivers before it flows into the sea. Read more Sustainability Allseas contributes to maintaining a clean and healthy environment by devising solutions such as single-lift platform decommissioning, in that manner also protecting the sea. Our vessels operate with state-of-the-art machinery to minimise exhaust fumes. Read more Allsafe At Allseas, we take matters of workplace safety and health very seriously. In all of our operations, we are guided by our goal of zero incidents and accidents. An important tool in achieving this goal is the behaviour-based safety programme “Allsafe”. Read more History For over 30 years, Allseas has developed cutting-edge technology and has moved boundaries. By continuously growing our know-how and expertise, we have developed into a world-leading offshore contractor. Read more Allseas tax strategy At Allseas, we are committed to high standards of ethics and integrity in all aspects of our business, and to ensuring our activities are conducted in accordance with applicable laws and regulations. Read more Media News 11 November 2021 Watch the journey of “Pioneering Spirit’s” unique Jacket lift system 9 November 2021 11 months of “Catchy”: almost 500 of kilogrammes less waste and many insights gained 5 November 2021 Converting the former 228-metre drill ship into our first polymetallic nodule production vessel View all Press releases 10 September 2021 Allseas congratulates The Metals Company on merger and market listing 19 August 2021 Allseas enters renewables market with offshore substation installation 9 June 2021 World’s largest vessel removes Morecambe Bay topsides View all External publications Offshore magazine - November 2021 “Pioneering Spirit” steps up jacket removal capability Boegbeeld - July 2021 Catchy, innovatief opvangsysteem voor zwerfafval in de Nieuwe Maas Vakblad Land en Water - December 2020 Catchy gaat de strijd aan met zwerfafval View all Contact Contact Allseas’ public relations department for images and information about our company and vessels: Get in touch For inquiries regarding offshore installation or decommissioning projects, contact our sales and marketing department: Get in touch Allseas Homepage Company Sustainability Projects Careers Contact Equipment Pioneering Spirit Solitaire Audacia Lorelay Tog Mor Fortitude Oceanic Pipe supply vessels Welding equipment Small equipment Subsea equipment Activities Pipelines and subsea Heavy lifting Innovations Fabrication Deep-sea polymetallic nodule collection River plastics removal Careers Onshore Offshore Students Our stories Vacancies Job mail How to apply Meet us © 2021 Allseas | Disclaimer | Privacy policy