Big Technologies plc engages in the provision of products and services to the remote and personal monitoring industry. It has a number of brands and trading names, including Buddi, which is used within the core criminal justice market. Its criminal justice solution involves proprietary monitoring software combined with modular monitoring hardware being used to accurately track the location of tag wearers. It also offers monitoring services solutions for its customers. The company was founded by Sara Elizabeth Murray in 2005 and is headquartered in Rickmansworth, the United Kingdom.