35 Organisation, operation and supervision of customer loyalty schemes, incentive schemes and promotional schemes; promoting the sale of goods and services of others by awarding points or rewards for purchases, membership or participation; data collection; data management; data processing; data retrieval; database management; compilation of information into databases; updating and maintenance of data in databases; meter reading for billing purposes; billing services in the field of energy; billing services in the field of household utilities; billing services in the field of electric vehicle charging; the bringing together, for the benefit of others, of a variety of energy supply services enabling consumers to conveniently review, compare and purchase those services; the bringing together, for the benefit of others, of a variety of electric vehicle charging services enabling consumers to conveniently review, compare and purchase those services; the bringing together, for the benefit of others, of a variety of household utility supply services enabling consumers to conveniently review, compare and purchase those services; information, advice and consultancy services connected with the aforesaid.