Our Portfolio

Green Angel Syndicate focuses on companies in the energy, sustainable transport, water, smart cities and wider green economy sectors that, if not actually generating revenue, are on the cusp of doing so.


Rovco aims to revolutionise subsea surveying with its autonomous underwater vehicles and artificial intelligence-powered 3D data collection.


Spinetic's radical ultra low cost energy harvesting panel technology will replicate in wind the success of solar PV at community scale.


Powervault develops innovative battery storage solutions for the emerging domestic electricity storage market. ​

Green Angel Syndicate invested in 2014 and is now participating in a second raise. Two of Powervault's board are now GAS syndicate members.

Naturespace Partnership

A better way of granting property developers planning permission in areas that contain the protected great crested newt, aimed at accelerating necessary development whilst better protecting newts and creating new habitats for them.​

Shields Energy

Reducing energy and operational costs in commercial buildings with IoT and the energy cloud.


High performance linear motor-generator systems for the world's leading free piston innovators.

Libertine is working on applications of the free piston expander to increase engine efficiency in several different sectors.

GT Energy

GT Energy is leading the way in the generation of renewable heat in the UK and Ireland.

GT Energy identify, plan, develop, build, finance and operate deep geothermal heat generation plants. This heat is provided to customers and energy suppliers under long-term thermal purchase agreements.


Global Surface Intelligence is analysing and combining big data with satellite information and remote sensing earth observations, to solve real business problems in new ways.

Vantage Power

Vantage Power designs and manufactures powertrain electrification and connectivity technologies for heavy-duty vehicles. The aim is to electrify and connect heavy-duty vehicles around the world

From complete hybrid retrofit powertrains, reducing emissions and fleet costs, to turnkey hybrid and electric OEM solutions.

Control Power Technologies

CPT was sold to Federal-Mogal in 2017.