Viswa Group provides marine drug and alcohol testing services to help ship owners and operators maintain safe, compliant, and drug-free vessel operations. Our testing solutions include routine, random, and pre-employment drug and alcohol screening for maritime crews, supporting compliance with IMO, OCIMF, USCG, and other international maritime regulations while protecting crew safety and operational reliability.

Drug and Alcohol testing is critical in the Maritime industry. From operating large vessels to heavy machinery, impairment can cause a significant risk to health and safety, the environment and equipment. Additionally, Drug and Alcohol screening is critical for maintaining compliance with international laws and regulations, such as the International Maritime Organization’s (IMO), OCIMF, USCG etc.
By conducting routine and random Drug and Alcohol testing, you can ensure that your employees and vessels are safe, compliant and capable of conducting their role and responsibilities effectively.
We provide global marine drug and alcohol testing services for shipping companies and seafarers across more than 500 ports. Our testing programs follow strict OCIMF guidelines and deliver reliable, cost-effective screening with fast turnaround times.
Viswa Group provides marine drug and alcohol testing services for ship owners, ship managers, operators, and maritime organizations worldwide. With more than 30 years of experience, we support the global marine industry with reliable testing, inspection, and compliance solutions.

Our experienced team delivers accurate, confidential, and globally coordinated drug and alcohol testing services to help shipping companies meet international maritime compliance requirements and promote safer vessel operations.