OneSubsea
OneSubsea's Overview
OneSubsea, an SLB company, is a global leader in providing integrated solutions, products, systems, and services for the subsea oil and gas market. Leveraging advanced technology and deep domain expertise, OneSubsea helps customers optimize production, reduce costs, and enhance recovery from subsea reservoirs. Its portfolio includes subsea production and processing systems, umbilicals, connectors, and a comprehensive suite of life-of-field services, from installation and commissioning to maintenance and digital optimization.
Where is OneSubsea's Headquarters?
HQ Function
Global strategic leadership, engineering oversight, research and development direction, and corporate functions for OneSubsea's worldwide subsea operations, integrated within SLB's framework.
Notable Features:
Part of SLB's major Houston campus, likely featuring advanced R&D labs, engineering offices, and potentially simulation or testing facilities relevant to subsea technologies. Specific details are internal to SLB.
Work Culture:
A highly technical, collaborative, and innovation-focused environment. Emphasis on safety, quality, and project execution, reflecting SLB's global operational standards. Employees often have strong engineering and project management backgrounds.
HQ Significance:
Houston is a global hub for the energy industry, providing OneSubsea with access to a rich talent pool, key customers, industry partners, and a comprehensive supply chain for its subsea projects.
Values Reflected in HQ: Reflects SLB's core values: People (empowering talent), Technology (driving innovation), Performance (delivering excellence), and Sustainability (responsible operations).
Location:
OneSubsea, as part of SLB, operates globally with a network of advanced manufacturing plants, engineering centers, service bases, and sales offices in key offshore oil and gas regions. This widespread presence enables OneSubsea to support complex subsea projects worldwide, offering solutions for exploration, development, production, and life-of-field services. Functions supported globally include research and development, system design and engineering, manufacturing of critical subsea hardware (trees, manifolds, controls, pumps, processing units), project management, installation and commissioning support, and aftermarket services including digital monitoring and maintenance.
Street Address:
5599 San Felipe Street (SLB Corporate Headquarters, overseeing OneSubsea operations)
City:
Houston
State/Province:
Texas
Country:
USA
OneSubsea's Global Presence
Bergen, Norway
Address: Askøyvegen 180, 5306 Erdal, Norway (OneSubsea AS)
Serves as a critical operational and technological center for the North Sea, Europe, and Arctic offshore energy projects, driving innovation in subsea solutions.
Aberdeen, United Kingdom
Address: Wellheads Drive, Dyce, Aberdeen, AB21 7GD, UK (SLB/OneSubsea)
Supports the mature and evolving North Sea basin with life-of-field services, interventions, and technology deployment for existing and new developments.
Kuala Lumpur, Malaysia
Address: Level 16, Menara HLA, No. 3, Jalan Kia Peng, 50450 Kuala Lumpur (SLB Asia Hub)
Manages and supports subsea projects in key offshore markets like Malaysia, Indonesia, Australia, and India, tailoring solutions to regional needs.
Rio de Janeiro, Brazil
Address: Avenida Presidente Wilson, 231, Centro, Rio de Janeiro - RJ, 20030-905, Brazil (SLB Brazil HQ)
Delivers advanced subsea technologies and support for one of the world's most active and technologically demanding offshore oil and gas regions.
Buying Intent Signals for OneSubsea
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Executive Team of OneSubsea
As of April 2025, OneSubsea' leadership includes:
Investors of OneSubsea
OneSubsea has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
Following OneSubsea's full integration into SLB in 2023, its leadership operates within the SLB corporate structure. No specific high-level executive appointments or departures directly branded under 'OneSubsea' have been publicly announced in the past 12 months, as changes would typically be part of broader SLB divisional adjustments. Mads Hjelmeland, appointed in October 2022, continues as President of OneSubsea.
Technology (Tech Stack) used by OneSubsea
Discover the tools OneSubsea uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
OneSubsea Email Formats and Examples
As OneSubsea is an SLB company, email addresses for its employees follow SLB's corporate email format. The most common patterns are based on employee names.
Common formats include [first_initial][last_name]@slb.com or [first_name].[last_name]@slb.com. For example, jdoe@slb.com or jane.doe@slb.com.
Format
example@slb.com
Example
90%
Success rate
News and media
Offshore Energy • August 29, 2023
Woodside awards OneSubsea contract for Trion project in Mexico
SLB's OneSubsea has secured an integrated engineering, procurement, construction, and installation (EPCI) contract from Woodside Energy for the subsea production systems for the Trion project in the Gulf of Mexico, Mexico. The scope includes subsea trees, wellheads, controls, and umbilicals for Mexico’s first deepwater development....more
Offshore Magazine • May 24, 2023
OneSubsea to deliver subsea multiphase boosting system for OKEA field
OKEA has awarded SLB’s OneSubsea an EPCI contract for a subsea multiphase boosting system for the Bestla Project (formerly Brasse) in the Norwegian North Sea. The scope includes a pump station, subsea controls, and a high-voltage power distribution system designed to enhance production from the field....more
World Oil • February 7, 2024
SLB’s OneSubsea and Subsea7 selected by Equinor to develop next phase of North Sea field
Equinor has chosen the Subsea Integration Alliance, a partnership between OneSubsea and Subsea7, for a front-end engineering and design (FEED) study for the next phase of its Wisting field development in the Barents Sea. This involves designing an integrated subsea production system and subsea umbilicals, risers, and flowlines (SURF) solution....more
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