Who we are The North West Ambulance Service (NWAS) NHS Trust was established on 1 July 2006, by the merger of ambulance trusts from Greater Manchester, Cheshire and Merseyside, Cumbria and Lancashire. We currently employ over 4,900 staff. The Trust headquarters is in Bolton, and there are three area offices in Cheshire and Merseyside (Liverpool), Cumbria (Carlisle) and Lancashire (Preston). There are 109 ambulance stations distributed across the region, three emergency operations centres, one support centre, two patient transport service control centres, and two HART buildings (one being shared with Merseyside Fire & Rescue). The Trust operates around 1,000 vehicles on both emergency and non-emergency operations. In addition to this the Trust also provides, along with Urgent Care and OOH partners, the NHS 111 Service for the North West Region. Operating from five sites across the North West, in Greater Manchester, Merseyside and Lancashire and Cumbria. We receive over 1,170,000 emergency calls per year, with emergency crews attending more than 952,000 incidents each year, with around 800,000 of these requiring emergency transport. This represents approximately 16% of national activity. The Trust undertakes over 1.1 million non-emergency patient transport journeys each year. Click here to view our 'How to find us' page.