Allseas is a global leader in offshore pipeline installation, heavy lift and subsea construction. Established in 1985 by Edward Heerema, the company is headquartered in Châtel-Saint-Denis, Switzerland. Allseas has a diverse portfolio of products and services.

Their main offerings include pipeline installation, which involves transporting and laying offshore pipelines for oil and gas production. They are also involved in the construction of subsea infrastructure, such as platforms and manifolds. Additionally, Allseas specializes in heavy lift operations, utilizing their fleet of highly specialized vessels to install and remove heavy structures in marine environments.

On a global scale, Allseas has a strong presence and operates in various regions including Europe, Africa, Asia-Pacific, and the Americas. The company has a number of noteworthy subsidiaries, joint ventures, and partnerships. One notable subsidiary is Swiss-registered Allseas Marine SA, which manages the company's fleet of vessels.

Allseas also has joint ventures with various companies, allowing them to combine resources and expertise for specific projects. As a market leader, Allseas enjoys a prominent position in the industry. The company's global sales have consistently remained high, securing their position as a major player.

They have established a strong reputation for delivering high-quality, innovative solutions, earning the trust of clients worldwide. Allseas has achieved several milestones and has undergone significant changes over the years. Notably, they developed the pioneering Pioneering Spirit vessel, the world's largest construction vessel designed specifically for offshore platform installation and decommissioning.

This vessel has revolutionized the industry by significantly improving efficiency and reducing downtime. Currently, Allseas continues to expand and innovate. They are involved in various ongoing projects and actively seek out new opportunities in the market.

They remain committed to maintaining their position as a global leader in offshore pipeline installation, heavy lift, and subsea construction