Standards & codes
Full alignment with API, ISO, ASME, DNV, RCCM and client specifications.
One partner · End-to-end capability · Global reach
Since 2017, Subseazen has been the trusted technical partner for the oil & gas, marine, nuclear, chemical, shipbuilding and EPC industries — covering engineering design, manufacturing, inspection, maintenance and compliance across oilfield, drilling, subsea, marine, nuclear and industrial assets.
We serve 150+ clients — multinationals and specialists — across 20+ countries in India, Asia, the Middle East, the UK and the USA. Cost-effective. Timely. Reliable. Every time.
We work with clients large and small, at domestic and international levels, across manufacturing & machining, testing & repair, fabrication, raw-material trading, flow-iron products, lined valves and drilling, completion and production equipment — serving the oil & gas, marine, power, chemical and ship-building industries.
Certified to ISO 9001 (Quality) · ISO 17020 (Inspection) · ISO 17025 (Calibration & Testing).
To be the industry's most trusted and preferred engineering services partner — recognised worldwide for technical excellence, operational safety and unwavering commitment to our customers' success.
To deliver the highest quality engineering and technical services to the oil & gas, marine, nuclear, petrochemical and power industries through customer-focused service, innovative solutions and operational excellence — underpinned by our commitment to codes of practice, ethics and continuous learning.
We take time to understand the critical issues facing your business, then deliver proven, comprehensive service modules that streamline processes, reduce costs and elevate productivity — giving you a new level of competitive advantage.
Subseazen is committed to delivering engineering and technical services of the highest quality, on time, and in full compliance with international codes, client specifications and applicable regulatory requirements.
Full alignment with API, ISO, ASME, DNV, RCCM and client specifications.
Certified quality management system with traceable records at every stage.
Third-party inspection, NDT and witness testing on critical items.
Regular audits, corrective actions and lessons learned across projects.
The principles that guide every project we deliver.
Uncompromising adherence to codes of practice, industry standards and client specifications on every deliverable.
Zero-harm culture: rigorous HSE controls, competent people and safe engineering by design.
Ethical conduct, honest communication and transparent decisions with every client and partner.
Continuous learning and modern engineering tools to solve tomorrow's challenges today.
Deep understanding of client priorities, and solutions built around measurable outcomes.
Continuous improvement, technical rigour and pride in every job — large or small.
Specialist industrial and marine capability, backed by experienced engineers and inspectors and a genuine commitment to quality and improvement.