Allseas
Allseas's Overview
Allseas is a world-renowned Swiss-based contractor specializing in offshore pipeline installation, heavy lift, and subsea construction. Founded in 1985 by Edward Heerema, the company is distinguished by its innovative engineering solutions and its operation of a versatile, state-of-the-art fleet. This fleet includes the 'Pioneering Spirit,' the world's largest construction vessel, capable of single-lift installation and removal of large oil and gas platforms and the installation of record-weight pipelines. Allseas provides comprehensive services for the entire project lifecycle, from design and engineering to procurement, installation, and commissioning. It serves clients globally in both the traditional oil and gas sector and the burgeoning renewable energy industry, undertaking some of the most complex offshore projects worldwide.
Where is Allseas's Headquarters?
HQ Function
The Swiss headquarters is the primary center for corporate governance, strategic decision-making, group financial control, legal affairs, and overall global operational oversight for Allseas.
Notable Features:
A modern administrative facility, strategically positioned to manage Allseas' extensive global operations and reflect its commitment to precision and high standards.
Work Culture:
The headquarters fosters a professional, internationally-oriented work environment focused on strategic planning, innovation, and operational excellence, in line with Swiss business practices and the high-stakes nature of the offshore industry.
HQ Significance:
Its location in Switzerland provides a stable and neutral base for global operations, access to international financial markets, and a central point for managing diverse international projects and Fribourg's business ecosystem.
Values Reflected in HQ: The headquarters embodies Allseas' core values of innovation, reliability, safety, and quality, reflecting a commitment to excellence in both its corporate functions and global operations.
Location:
Allseas maintains a significant global presence to support its worldwide offshore operations. This includes strategic offices for engineering, project management, and commercial activities in key energy hubs, as well as operational bases and worksites near project locations. Functions supported globally encompass the full spectrum of offshore project execution: detailed engineering, procurement, construction management, vessel operations, crewing, logistics, Health, Safety, Environment, and Quality (HSEQ) assurance, and client relationship management. This distributed network enables Allseas to mobilize resources effectively and deliver complex projects across diverse international waters.
Street Address:
Route de la Broye 115
City:
Châtel-St-Denis
State/Province:
Fribourg
Country:
Switzerland
Allseas's Global Presence
Delft, Netherlands
Address: Poortweg 12, 2612 PA Delft, The Netherlands
Serves as a key technical and operational center, leveraging Dutch maritime expertise to support projects primarily in the North Sea, Europe, and other global locations. It's central to Allseas' innovation in offshore technology.
Houston, Texas, USA
Address: 17220 Katy Freeway, Suite 300, Houston, Texas 77094, USA
Provides localized project management, engineering support, and client liaison services, tapping into Houston's extensive oil and gas industry network and supply chain.
Perth, Western Australia, Australia
Address: Level 3, 1060 Hay Street, West Perth, WA 6005, Australia
Facilitates efficient project execution, client engagement, and adherence to regional operational standards for Allseas' activities in Australia and the wider APAC market.
Kuala Lumpur, Malaysia
Address: Level 13, Menara Maxis, Kuala Lumpur City Centre, 50088 Kuala Lumpur, Malaysia
Provides regional expertise and operational support for pipelay and subsea construction projects in the dynamic Southeast Asian market.
Buying Intent Signals for Allseas
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Executive Team of Allseas
As of April 2025, Allseas' leadership includes:
Investors of Allseas
Allseas has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
In early 2024, Allseas experienced a key leadership transition. Martijn Menges was appointed as the new Chief Executive Officer, succeeding Pieter Heerema, who assumed the role of Chairman of the Board. This change marks a new phase in the company's strategic leadership.
New Appointments:
Technology (Tech Stack) used by Allseas
Discover the tools Allseas uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Allseas Email Formats and Examples
Allseas commonly utilizes a standardized email format for its employees, which typically involves a combination of the employee's first initial and last name. This is a common practice for large international organizations to maintain consistency in communication.
[first_initial][last_name]@allseas.com
Format
jdoe@allseas.com
Example
85%
Success rate
News and media
Offshore Energy • June 10, 2024
Allseas’ Pioneering Spirit removes Valhall QP topsides for Aker BP
Allseas’ heavy lift vessel Pioneering Spirit has removed the QP topsides from the Valhall field in the Norwegian North Sea for Aker BP. The operation involved lifting the 3400-tonne structure....more
Allseas Website • February 20, 2024
Allseas secures major TGLP decommissioning contract from TotalEnergies
Allseas has been awarded a major contract by TotalEnergies E&P UK for the removal and disposal of the Tyra Gravity LARS (TGLP) platform in the Danish North Sea. The work is scheduled for execution in 2025....more
Splash247 • January 8, 2024
Martijn Menges takes over as Allseas CEO
Martijn Menges has been appointed as the new CEO of Swiss-based offshore contractor Allseas. He succeeds Pieter Heerema, who has taken on the role of chairman of the board....more
Allseas Website • December 21, 2023
Pioneering Spirit completes an impressive 2023
Allseas' flagship Pioneering Spirit concluded a highly successful 2023, executing diverse projects including major platform lifts and extensive pipelay operations across different regions....more
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