Mastertech is a leading Singapore Commercial Diving Company founded in 1994 by Mr. Stevens Tan. With extensive experience in the marine, oil and gas, and submarine cable industries, Mastertech has established itself as a reliable and trusted brand in the Asia Pacific and Middle East regions.

Committed to delivering exceptional service, Mastertech specializes in a range of subsea services, including inspection, repair, and maintenance work for oil and gas producers, invasive marine growth survey and cleaning, non-destructive testing, underwater surveys, construction, and pipeline installation. Their expertise also extends to ROV surveys, platform and harbor inspections and constructions, vessel hull maintenance works, and classed surveys. At Mastertech, safety, quality, and environmental protection are of utmost importance.

They comply with ISO 9001:2015, ISO 45001:2018, and ISO 14001:2015 standards to ensure the highest level of health, safety, and quality in their operations. Constantly moving forward, Mastertech is dedicated to training and upgrading its staff to continually provide reliable, safe, and quality services for clients. With an innovative approach and a commitment to excellence, Mastertech is a trusted choice in subsea services