Electrical connectors - subsea
Western Norway

Onesubsea Processing AS


‘For the past 35 years OneSubsea has developed products and technology to assist the oil industry in the cost-efficient development of oil and gas fields. The company’s main products are multiphase pumps, multiphase flow meters and swivel stack systems. Today, OneSubsea is established as a leading supplier of these products with unique systems benefiting the company’s highly valued customers throughout the world.  OneSubsea’s experience within these complex areas of technology is second to none in the industry


Sound Track Record

OneSubsea has collaborated closely with major oil companies in developing products that can meet the economic and technological challenges of today’s deepwater field developments, enhanced production of mature fields, and subsea tie-backs to existing infrastructure. The total system approach from Fronts End Engineering (FEED), extensive system testing in advanced facilities through to integrated field operations has been instrumental for the success of the technologies.


OneSubsea Multiphase Compressor

Product Range 

•  Subsea and topside multiphase pump systems
•  Subsea and topside multiphase meter systems
•  Swivel stack stacks and offshore loading systems
•  Subsea water injection pumps

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North America
South America
South Asia
West Asia
  • Finance
    Operating profit: 358261
    Operating profit before tax: 296712
    Total assets: 2098006
    Total equity: 509857
    Currency: NOK (all numbers in thousands)
    accounting and other professional services, apparatus and associated products, appliances, Architectural, checking, Connectors & Accessories, Construction, construction and related technical consultancy services, Electrical connectors - subsea, Electrical equipment & materials, Engineering, Engineering services, equipment, Flow instruments, Flow-monitoring services, General-purpose machinery, Instrumentation / communication & process control equipment / materials, Instruments and appliances for measuring, legal, Machinery, Machinery for the production and use of mechanical power, Management holdings services, Marine diving & pipeline equipment, Metering equipment & systems, Metering instruments, Miscellaneous business and business-related services, Multiphase pumps, Packages – construction / outfitting, Pipeline Equipment, Pumps & accessories, Pumps and compressors, Research & development (r&d), Research and development services and related consultancy services, Special-purpose machinery and parts, Subsea, Subsea-packages, testing and navigating, Transformers, Transformers & accessories,