Services of a collective purchasing organizations, namely, providing services that allow customers to purchase installations for solar equipment, namely solar panels, battery storage and heat pumps, and for the purchase of installations energy services and other related goods from various companies and service providers at a discount; procurement services, namely, procurement of contracts for others for the purchase of installations of solar equipment, namely solar panels, battery storage and heat pumps, and for the purchase of installations energy services and other related goods from various companies and service providers at a discount; meditation and business management of contracts for the purchase of installations of solar equipment, namely solar panels, battery storage and heat pumps, and for the purchase of installations energy services and other related goods from various companies and service providers and providing business supervision over the correct implementation of the activities arising therefrom; business meditation and consultancy in the field of providing services that allow customers to purchase of installation for solar equipment, namely solar panels, battery storage and heat pumps, and for the purchase of installations energy services and other related goods from various companies and service providers at a discount, storage and heat pumps, and for the purchase of installations energy services and other related goods from various companies and service providers at a discount; business consultancy and information regarding the aforesaid services; the aforesaid services also provided via the internet, cable networks, or other forms of data transfer