Principia has established a Quality Assurance (QA) Programme designed to provide its clients with the formal quality assurance that they may require or request. The Programme satisfies the relevant regulations and, in particular, the ISO 9001 norm. The certification, issued by Lloyds Register Quality Assurance in 1999, is no. SGI 2199136.

The company has a QA Manager, whose responsibilities include initiating and modifying QA procedures, maintaining QA records and monitoring that QA requirements are satisfied in all projects. Moreover, all members of each project team have the responsibility to follow the QA procedures and all members of the staff have received training on the QA Programme of the company.