SigmaRoc plc invests in and/or acquires projects in the construction materials sector in the United Kingdom, Channel Islands, and Belgium. It also produces aggregates and pre-cast concrete; supplies value-added construction materials; and provides shipping logistics, road contracting, and waste recycling services. The company was formerly known as Messaging International Plc and changed its name to SigmaRoc plc in August 2016. SigmaRoc plc was founded in 1999 and is headquartered in London, the United Kingdom.