42 Development of energy and power management systems; design and development of energy and power management software; programming of energy and power management software; installation of energy and power management software; design and development of software for remote meter reading; design and development of software for remote meter monitoring; installation of remote meter reading software; installation of remote meter reading monitoring software; platform as a service (PaaS); platform as a service (PaaS) specifically in relation to energy and power management systems; platform as a service (PaaS) specifically in relation to remote meter reading and monitoring; platform as a service (PaaS) specifically in relation energy efficiency; software as a service (SaaS); software as a service (SaaS) specifically in relation to energy and power management systems; software as a service (SaaS) specifically in relation to remote meter reading and monitoring; software as a service (SaaS) specifically in relation energy efficiency; customisation of software; online data storage relating to meter readings; online data storage relating to energy and power management; advisory services relating to the use of energy, energy efficiency, energy saving; providing technical advice relating to energy saving measures; professional consultancy services relating to energy efficiency of businesses; consultancy services in the field of energy-saving; maintaining and testing and updating software for remote meter reading; maintaining and testing and updating software for remote meter monitoring; maintaining and testing and updating software for energy and power management; hosting websites dedicated to remote meter reading; information, consultancy and advisory services relating to all of the aforesaid