The 12 closest competitors and alternatives to Sea1 Offshore among oil & gas services companies — ranked by similarity to what Sea1 Offshore actually does, not by market-cap band.
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Sea1 Offshore operates and manages a fleet of offshore support vessels for the oil, gas, and renewables industries worldwide. Its fleet includes anchor handling tug supply vessels, platform supply vessels, subsea construction vessels, and well-intervention vessels designed for challenging marine environments.
Sea1 Offshore is an oil & gas services company headquartered in Norway. Xcout tracks 4 named people at Sea1 Offshore, including Christen Sveaas (Chairman).
Ranked by semantic similarity — how close each company is to Sea1 Offshore by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Oil & Gas
Subsea7 is a global offshore energy services company that engineers, constructs, installs, and operates subsea infrastructure and offshore facilities. It serves oil and gas operators, as well as offshore wind and other energy clients, including through operations in Brazil.
Oil & Gas
SBM Offshore provides floating production systems and offshore energy solutions, specializing in FPSO operations, floating offshore wind technology, and marine infrastructure for the energy sector. The company serves energy corporations and clients in the oil, gas, and renewable energy industries by developing complex deepwater ocean solutions and terminal systems.
Oil & Gas
Gulf Marine Services PLC, together with its subsidiaries, operates self-propelled self-elevating support vessels (SESVs) in the United Arab Emirates, the Kingdom of Saudi Arabia, Qatar, and Europe. It operates through K-Class Vessels, S-Class Vessels, and E-Class Vessels segments. The company offers offshore construction and heavy lifting, accommodation and hotel, well intervention and work over operations, and manpower services for oil and gas industry; and platform maintenance and commissioning, turbine maintenance and commissioning, hotel, crane, and offshore crew transfer services to renewables industry. It is also involved in the marine contracting and general investment activities; operation of offshore barges; and ownership of barges. Gulf Marine Services PLC was founded in 1977 and is based in Abu Dhabi, the United Arab Emirates.
Offshore Energy Engineering
Acteon provides lifecycle services, engineering solutions, and site investigation for offshore wind, oil, and gas energy projects.
Renewable Energy
CMIC Ocean En-Tech Holding Co., Ltd., an investment holding company established in Kwai Chung, Hong Kong, in 1995, was formerly known as TSC Group Holdings Limited until its renaming in February 2019. This global enterprise specializes in the design, manufacturing, installation, and commissioning of essential capital equipment and integrated packages for both land-based and offshore drilling rigs. Its operations are segmented into three main areas: Capital Equipment and Packages, Oilfield Expendables and Supplies, and Management and Engineering Services. Under its Capital Equipment offerings, the company manages investments and operations for offshore engineering platforms, alongside providing specialized products such as cranes, machine rack pipes, jacking systems, power control and transmission systems, and tension adjustment and compensation devices. The Oilfield Expendables and Supplies division delivers maintenance, repair, and operational (MRO) products and services for drilling rigs, which includes manufacturing, selling, and repairing oilfield consumables, accessories, and parts. Furthermore, CMIC Ocean En-Tech provides extensive management and engineering services. Its diverse activities also include offering complete rig turnkey solutions, trading in rig equipment and oilfield expendables, producing and trading rig electrical control systems, designing and manufacturing mechanical handling equipment, and sub-leasing drilling rigs. The company is also active in the research, development, and commercialization of offshore wind power related equipment.
Oil & Gas
CH Offshore Ltd is an owner-operator and ship manager of offshore support vessels, specifically operating anchor handling tug supply (AHTS) vessels for the offshore marine oil and gas sector. The company provides vessel operations, marketing, and management services globally for both its wholly-owned fleet and third-party vessel owners.
Oil & Gas
Sevan Marine ASA (operating as Sevan Deepwater Technology) provides marine engineering, design, and technology services for the offshore energy industry. The company specializes in developing cost-efficient floating offshore solutions, including patented cylindrical hull technology, floating production units, drilling units, and mooring integrity monitoring services.
Similar oil & gas services company
Odfjell Drilling operates a fleet of state-of-the-art semi-submersible drilling rigs to provide offshore drilling and related services for the oil and gas industry. The company serves energy clients globally, focusing on operations in harsh environments with skilled crews and an emphasis on safety and environmental standards.
Similar oil & gas services company
Mermaid Maritime is an offshore oil-and-gas services company providing subsea engineering, inspection, repair and maintenance, drilling support, and related marine services. It serves offshore energy operators and contractors, primarily in Southeast Asia and other international markets.
Oil & Gas
BW Offshore engineers and operates floating production, storage, and offloading (FPSO) systems and other floating energy infrastructure. The company serves global energy companies by delivering offshore production solutions for safe, efficient, and sustainable energy development worldwide.
Oil & Gas
China Oilfield Services Limited (COSL), based in Sanhe, China, operates as a global provider of comprehensive offshore oilfield services, catering to both the domestic Chinese market and international clients. This enterprise, a subsidiary of China National Offshore Oil Corporation, is also involved in the issuance of bonds. COSL's extensive operations are structured into four key business segments: 1. Drilling Services: This division supplies a diverse array of drilling solutions, utilizing various rig types such as jack-up, semi-submersible, modular, and land-based rigs. Complementary services include the installation of casing and tubing, as well as pipe inspection and repair. The segment's significant assets comprise 36 jack-up rigs, 12 semi-submersible rigs, and 6 modular rigs. 2. Well Services: Encompassing both onshore and offshore environments, this segment delivers a broad spectrum of specialized well interventions. These include logging, managing drilling and completion fluids, directional drilling, cementing operations, well completion and workover, stimulation techniques, and optimization strategies for oilfield production. 3. Marine Support Services: Offering crucial logistical and operational assistance, this segment's activities span anchor handling, towing of drilling rigs and engineering barges, oil transportation, offshore supply, standby duties, emergency response (firefighting, rescue, and oil spill support), and various other maritime support functions. Its substantial fleet consists of approximately 130 vessels, including anchor-handling tug/supply vessels, platform supply vessels, multi-purpose vessels, barges, and shuttle-tankers. 4. Geophysical Acquisition and Surveying Services: Dedicated to subsurface exploration, this segment conducts marine seismic data acquisition, offshore geological surveying, seismic data processing and interpretation, and underwater engineering. Its specialized equipment includes 6 seismic vessels, 2 ocean bottom cable teams, and 5 engineering surveying vessels.
Oil & Gas
Akastor ASA operates as an investment company with a focus on the oilfield services industry. The firm delivers specialized vessel-supported subsea well construction and intervention solutions to the oil and gas sector. Its extensive range of services also encompasses well design and drilling project management, along with reservoir and field management. Additionally, Akastor provides rig procurement, bespoke training, software development, technical manpower, and expert consultancy for wells and reservoirs. The company's assets include a fleet of five offshore vessels. Established in 1841, Akastor ASA is headquartered in Bærum, Norway.
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