ESR Technology was formerly the Engineering, Safety and Risk business of AEA Technology

AEA Technology

AEA Technology plc was formed in 1996 as the privatised offshoot of the United Kingdom Atomic Energy Authority. It is a constituent of the FTSE Fledgling Index. Originally it consisted of divisions with expertise in a wide variety of areas, mostly the products of nuclear-related research...

, which was formed from the commercial arm of the United Kingdom Atomic Energy Authority

United Kingdom Atomic Energy Authority

The United Kingdom Atomic Energy Authority is a UK government research organisation responsible for the development of nuclear fusion power. It is an executive non-departmental public body of the Department for Business, Innovation and Skills and was formerly chaired by Lady Barbara Judge CBE...

. It specialises in the provision of independent technical expertise, products and services to help customers: Ensure Asset Integrity, Improve Machine Reliability, Manage Safety & Risk, and Transfer Best Practice. It has Customers across many sectors, including: Oil & Gas; Rail; Utilities; Aviation; Space and Defence. It operates four internationally renowned Centres of Excellence, namely the: National Centre of Tribology, European Space Tribology Laboratory, Pump Centre, and the National Non-Destructive Test Centre.

The company's main operations are located at Warrington

Warrington

Warrington is a town, borough and unitary authority area of Cheshire, England. It stands on the banks of the River Mersey, which is tidal to the west of the weir at Howley. It lies 16 miles east of Liverpool, 19 miles west of Manchester and 8 miles south of St Helens...

 (Head Office), Milton (Oxfordshire), Aberdeen

Aberdeen

Aberdeen is Scotland's third most populous city, one of Scotland's 32 local government council areas and the United Kingdom's 25th most populous city, with an official population estimate of ....

 and Abu Dhabi

Abu Dhabi

Abu Dhabi , literally Father of Gazelle, is the capital and the second largest city of the United Arab Emirates in terms of population and the largest of the seven member emirates of the United Arab Emirates. Abu Dhabi lies on a T-shaped island jutting into the Persian Gulf from the central western...

.