Verv, the smart energy company founded by Peter Davies at University of Bath six years ago, is on the verge of international success. The spinout has developed machine learning technology to produce devices that can monitor domestic energy consumption while also detecting and predicting faults on appliances such as air conditioning units.

But its early progress – featuring pre-seed investment of around £750,000 from utility British Gas, a subsidiary of energy group Centrica, as well as involvement in internet technology…