It specializes in the provision of technical expertise, products, and services to help customers ensure asset integrity, improve machine reliability, manage safety and risk, and transfer best practice.

It has customers across many sectors, including oil and gas, rail, utilities, aviation, and space and defence.

The company's main operations are located at Warrington (Head Office) in Lancashire, Milton (Oxfordshire) in England, and Aberdeen in Scotland.

The United Kingdom Atomic Energy Authority (UKAEA) was established in 1954 as a UK government research organization responsible for the development of nuclear fusion power.

These four different divisions (NCT, HOIS, ESTL, and SRD) were joined in 1996 by the formation of AEA Technology, an offshoot of UKAEA offering expertise in a wide variety of areas including tribology, non-destructive testing, and quantified risk assessments.