This followed the 2005 publication of the Taking Healthcare to the Patient: Transforming NHS Ambulance Services report by Peter Bradley.

On an average year, YAS will respond to 700,000 emergency calls and conduct one million patient transport journeys.

[4] This was only achieved by YAS downgrading a large number of calls to a less serious category, they are due to be investigated by the CQC for this.

Income generated from these commercial activities is used directly to help fund YAS community initiatives in Yorkshire and the Humber.

The headquarters of YAS is located within the Wakefield 41 Business Park to the north of Wakefield city centre and near to junction 41 of the M1 motorway, with a satellite Administration and Control Centre based in Skelton, York; this building was the former headquarters for Tees, East and North Yorkshire Ambulance Service NHS Trust.

[9] Accident and Emergency operations are divided into the following Clinical Business Units ("CBUs") almost conterminous with the geographic boundaries:[10] The current interim chief executive is Peter Reading, who commenced his role in June 2023, having left Northern Lincolnshire and Goole Hospitals NHS Foundation Trust.

He began his NHS career at Airedale and Harrogate district hospitals and has held a wide variety of leadership positions.

[13] David Forster, the policy and strategy director, resigned his position in 2010 after stating that the NHS employed "too many who are lazy, unproductive, obstinate, militant, aggressive at every turn" he also claimed some employees "couldn't secure a job anywhere outside the bloated public sector where mediocrity is too often shielded by weak and unprincipled HR policies".

[14] On 8 March 2016, the trust announced that incumbent chairwoman Della Cannings was standing down from her position after six years, with her final date in office being 9 May 2016.

The emergency fleet is primarily made up of Fiat Ducato ambulances and Škoda Kodiaq rapid response vehicles.

[citation needed] YAS has its own Charitable Fund which receives donations and legacies from grateful patients, members of the public and fundraising initiatives throughout Yorkshire.