About OSIS

OSIS is an ISO 9001 certified enterprise established in 2004 as an Independent Inspection Company dedicated to offer support services to clients in Audit, Project Management, Inspection and Expediting services.

Local resources to global enquires

OSIS provides experienced and qualified personnel covering all disciplines including Mechanical, Electrical and Instrumentation, Rotating, Equipment, Static Equipment, Civil, Structure, Marine/Shipping, Painting and Refractory works.

OSIS is focused in assist our clients in meeting their objectives in terms of Management, Quality, Quantity, Specification, Cost and Delivery. Since its establishment OSIS has been providing high quality services to major worldwide engineering and operators companies predominantly in the Oil & Gas and Petrochemical, Shipping and Mining industries.

Since 2010 OSIS has an affiliate based in India, GLOBAL TECHNICAL SERVICES, an ISO 9001:2008 company stablished in 2005.

In October 2010  OSIS has opened a  new office in Chile in order to be able to cover and provide services also in South America.

In January 2011 it was taken a step further developing the company in the Middle East and Asia with new representatives in Abu Dhabi, China and Korea.

All this movements give  OSIS worldwide presence allowing the company to provide local response to client’s needs around the world.


In 2013 OSIS became an ISO 9001:2008 certified company meeting all the requirements and established its own Quality System. 

Osis Inspection Services
Camino de la Fombica s/n | 33390 Gijón - Asturias |