E3-Modelling is a private capital and knowledge-intensive consulting company specialised in delivering consulting services based on large-scale empirical modelling of the economy-energy-environment nexus. They have experience with renowned milestones, such as the models PRIMES and GEM-E3, and support major impact assessment studies and scenario building for the European Commission. Their modelling and consulting services have also served numerous studies for European governments, professional associations, and large-scale companies in the energy field. E3-Modelling is co-developing the MICATool for estimating the multiple impacts of energy efficiency and provides the indicators for monitoring the economic and energy system impacts of energy efficiency policies, including on low income households.