Wm Morrison Supermarkets PLC (Public- LSE: MRW) is a United Kingdom-based company engaged in the operation of retail supermarket stores. Its business is mainly related to food and grocery. The Company’s wholly owned subsidiaries include Bos Brothers Fruit and Vegetables BV, Farmers Boy Limited, Farock Insurance Company Limited, Neerock Limited, Wm Morrison Produce Limited, Rathbone Kear Limited and Safeway Limited.

During the fiscal year ended February 1, 2009 (fiscal 2009), the Company had 403 stores and 12 distribution centers.Morrisons supermarkets are currently split into 6 areas of the UK. Scotland (51), North (72), Midlands (75), South East (63) with one of these inGibraltar, South Central (62) and the South West (51).

Morrison is the fourth largest chain of supermarkets in the United Kingdom. The company is usually referred to and is branded as Morrisons, and it is part of the FTSE 100 Index of companies. Morrisons' market share as of December 2008 is at 11.8%, making it the smallest of the "Big Four" supermarkets, behind Tesco (30.9%), Asda (16.8%) and Sainsbury's (16%).