[2] The NES has been developed and sponsored by Ernst & Young, supported by the Equality & Human Rights Commission (EHRC), the Home Office and the Confederation of British Industry and developed in partnership with the following UK and global companies:[3] The NES was launched in May 2013 at the British Museum.

Prior to his position at Ernst & Young, he ran the Mayor's "Diversity Works" programme in London.

[8] Batra is supported by Harry Gaskell, the managing partner of Ernst & Young's UK and Ireland advisory Practice and Head of D&I, and the Chair of the Employers Network for Equality & Inclusion (ENEI).

[9]Sir David Bell has been appointed as the Non-executive Chair of the steering committee that drives the development of the NES.

Trained NES Assessors review documentation, ensure legal compliance, conduct comprehensive interviews and sample staff through in-depth surveys.