Symphony Environmental Technologies plc, together with its subsidiaries, engages in the development and supply of environmental plastic additives and masterbatches in the United Kingdom, rest of Europe, North America, Central and South America, the Middle East, and Asia. The company offers d2p, a family of specialist masterbatches that includes antimicrobial, insect repellent, odour and ethylene adsorbers, vapour corrosion inhibitors, and flame retardants designed to protect and improve plastic products. It also provides d2w biodegradable plastic technology that is responsible for plastic product, film, and packaging needs. In addition, the company offers biodegradable bin and food bags, biodegradable refuse sacks, sym fresh food bags, and water soluble laundry bags. Symphony Environmental Technologies plc was founded in 1995 and is based in Borehamwood, the United Kingdom.