Sentinel Subsea Ltd. is a UK-based startup specializing in continuous passive monitoring for subsea infrastructure and equipment in the energy and oil and gas industries. Their flagship technology, WellSentinelâ„¢, enables the detection and alerting in the case of a loss of containment, de-risking wells and helping operators to lower subsea asset risk, reduce IRM costs, and protect the environment. The company has received a Seed Round investment from Scottish Enterprise and Alba Equity on 18 October 2021. Sentinel Subsea's low-cost and easy-to-deploy technology is designed for long-term use, with a 25-year deployment lifecycle, making it robust and suitable for harsh subsea environments. The company's focus on cost-efficient environmental stewardship aligns with the current needs of the 21st-century energy industry, making it a promising investment opportunity.