4Subsea
4Subsea is a technology-driven company focused on providing critical decision support for offshore energy operations, including subsea oil and gas fields and offshore wind sectors. The company combines its expertise in subsea engineering, advanced sensor technology, and data analytics to enhance operational efficiency and asset management. The core capabilities of 4Subsea include engineering consultancy, custom sensor systems, and digital platforms. Their engineering consultancy offers risk assessment and lifecycle management for subsea infrastructure. The company’s sensor systems, such as the SWIM™ system, deliver reliable, real-time data for predictive risk management. Additionally, their digital solutions utilize advanced analytics to support predictive maintenance and operational optimization. 4Subsea serves major energy operators internationally, including Equinor, AkerBP, and Odfjell Drilling. Their client testimonials highlight the effectiveness of their solutions in reducing operational risks, minimizing downtime, and improving decision-making processes. The company also has a UK establishment that provides specialized engineering consultancy services for various projects.
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Headcount trend
4Subsea went from 12 employees in Jul 2023 to 25 in Jun 2025. Jan to Jun 2025: 3 people joined, 2 left.
Headcount data through Jun 2025
Org structure
Headcount by department
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4Subsea FAQ
How many employees does 4Subsea have?
4Subsea has about 25 employees, up 8.7% over the 3 months to Jun 2025.
What is 4Subsea's revenue per employee?
4Subsea makes about $720K in revenue per employee, based on $18M annual revenue and 25 employees.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.