Quantum Blockchain Technologies Plc is a private equity and venture capital firm specializing in early venture, mid venture, late venture and turnaround investments. It makes investments in target businesses at all stages of development. It prefers to technology sector with special focus on but not limited to blockchain, artificial intelligence, cryptocurrencies, quantum computing, consumer services, financial services, communication services, utilities and real estate sectors. The firm prefers to invest in companies based in Europe, Africa/middle east, China, India, Italy and United kingdom. It prefers to invest in equity investment between $0.1 million and $15 million. The firm seeks minority stakes. It prefers to invest through balance sheet. Quantum Blockchain Technologies Plc was founded on 15 February 2000 and is based in London, United Kingdom. Quantum Blockchain Technologies Plc is formerly known as Clear Leisure plc.