Oil and Gas

Our History

SQS are very proud of their history and growth over the last 25 years of being in business.

Established in 1991 we are a family business that leads in providing worldwide Independent Inspection, Expediting and Quality Assurance Services (ISO9001). This is delivered to Operators and EPC’s alike for industries such as –


  • Oil & Gas
  • Power Generation
  • Nuclear
  • Wind
  • Solar
  • Mining
  • Pharmaceuticals
  • Petrochem
  • Rail and Marine Industry sectors

With an extensive network of 2000+ professionals delivering outstanding services, combining local expertise and a global reach. This is backed up with a dedicated team with a unique approach and exceptionally high standards. 24/7, 365 days a year availability supported with our bespoke, purpose-built management system called SMARTER.


SQS are expanding from the UK to worldwide locations with offices also now open in Perth, Australia, and Houston, TX, USA. Please go to the contact page and get in touch.

From day one every member of the team has gone above and beyond for our clients projects. SQS believe a lot of this is down to their ethics and values and why customers have been with SQS since 1991.

SQS have always taken great pride in providing a quality service but with the personal touch you dont necessarily get from a large corporation.


Local resources on a global scale

ISO 9001:2015 registered for the provision of Quality Assurance, Inspection, and Expediting Services.