About Us
Sealien Robotics is a high-tech company dedicated to subsea robotics and intelligence, committed to advancing how the deep sea is explored, accessed, and developed.Built on fully integrated, in-house engineering, we develop advanced subsea robotic systems for high-value offshore applications, including oil and gas, subsea telecommunications, offshore wind, deep-sea mining, and etc. Our technologies have been commercially validated by leading clients worldwide with proven real-world deployments, and are gaining traction in international markets, reflecting a growing global footprint.
Our product architecture is built on a platform-based portfolio of free-flying and heavy-duty subsea robotic systems, developed to perform reliably in complex deepwater environments. These platforms address a wide spectrum of operational needs, from precision intervention to high-load subsea tasks, providing both adaptability and consistency across applications.
At the core of our capability is a fully integrated engineering framework spanning mechanical, electrical, hydraulic, control, and intelligent systems. From core technologies and critical subsystems through to complete vehicle integration, we maintain end-to-end R&D and engineering capabilities, forming a cohesive and differentiated technical foundation for subsea robotics.
Building on this foundation, we are advancing subsea embodied intelligence and multi-agent collaborative operations, enabling a measured transition from human-operated systems to intelligent and autonomous subsea robotics. Through these efforts, we seek to extend the boundaries of access, understanding, and sustainable utilization of the deep ocean.
Reaching deeper waters, with stronger intelligence.
Investors
GGV Capital, Lightspeed China,ECC Capital,BYD Group,Shenzhen HTI Fund,Guangzhou Financail Fund,Seas Capital,etc
2024.05
2024.08
2025.10
2025.12
SEALIEN boasts the most extensive portfolio of intellectual property in deep-sea equipment across China, with over 30% of our patents classified as
high-value invention patents, highlighting our strong R&D and innovation capabilities. We also maintain a broad range of copyrights in software design and control systems. All these assets ensure full autonomy over our core technologies, driving sustained technological leadership.
Intellectual properties
Official Member of IMCA; obtained the ISO9001 QMS, ISO45001 OHSMS, ISO14001 EMS certificates
SEALIEN has been successfully granted the High-tech Enterprise Qualification, obtained the title of Greater Bay Area New Quality Productive Forces Innovative Enterprise, and won an award of the high-end equipment manufacturing industry.