QUALITY
QUALITY
Quality is a core value at OSS. To ensure reliability and consistency in all our manufacturing and installation activities—from industrial prefabrication and technological installations to complex metal constructions—we operate in accordance with internationally recognised management standards.
We continuously strengthen our processes by applying certified quality, environmental and occupational health & safety practices. Our employees regularly improve their qualifications through professional and safety training, enabling us to perform every task with precision and responsibility.
We firmly believe that true value for our customers is created when the highest quality standards guide every decision, every process and every finished product.
Quality, Environmental and Occupational Health & Safety Standards ISO 9001:2015
Our certified quality management system ensures controlled workflows, consistent results and continuous improvement. This enables us to meet demanding industrial requirements and deliver reliable solutions for a wide range of manufacturing and installation projects.
ISO 14001:2015
By actively managing environmental aspects across our operations, we minimise environmental impact, ensure responsible resource use and support sustainable fabrication and installation practices.
ISO 45001:2018
Safety is essential in industrial environments. This standard helps us systematically assess and control risks, reduce the likelihood of incidents and maintain a safe working environment for our employees and partners.
Welding Quality Assurance ISO 3834-2:2006
ISO 3834-2 certification is fundamental to the quality of our welded products. It ensures strict control of welding processes, full traceability of materials and qualifications, and consistently high integrity of welded joints—an essential requirement for industrial piping systems, technological installations, tanks and metal constructions.
Competence and Qualifications of Our Workforce
We invest continuously in developing the skills and technical expertise of our employees. Our team holds:
- Valid Hot Work certificates
- Safety training certificates from Scandinavian training centres
- Qualifications for working at height and handling suspended loads
Welder Qualification
Our welders are certified according to:
- EN ISO 9606-1:2017 – qualification testing for fusion welding
- PED 2014/68/EU – welding approval for pressure equipment in accordance with European legislation
Our welding activities are supervised by certified Welding Coordinators and an International Welding Engineer (IWE), ensuring full compliance with ISO 3834-2 requirements and the highest technical competence in welding quality management.
These competencies ensure that all welding and installation activities are performed safely, accurately and in full compliance with international quality requirements.
Our Promise
By combining certified processes, skilled professionals and advanced industrial capabilities, we deliver high-quality piping systems, tanks, steel constructions and technological installations that our clients can trust.
Quality is not just what we deliver—it is how we work, how we think and how we build long-term partnerships.
In 2016 in the Verslo žinios Gazelė 2016 project we were awarded as the winner of Telšiai region.
In 2019 the Portal Rekvizitai.lt evaluated UAB OSS' business stability and reliability. In Lithuania, such strict selection criteria are met by only 7 companies out of 100.
In 2020 the Portal Rekvizitai.lt evaluated UAB OSS' business stability and reliability. In Lithuania, such strict selection criteria are met by only 7 companies out of 100.
