Software as a service (SaaS); providing temporary use of on-line non-downloadable software for processing electronic payments; software installation; software development; software integration; software customization; software consultancy; software design; software updating; software upgrading; software rental; software configuration; software development for others; mobile software applications development; mobile device consultancy; software integration with Point-Of-Sale (POS) systems; software integration with payment systems; software integration with pre-existing hardware and/or software systems; software as a service (SaaS) featuring software platforms for electronic payment; Software as a service (SaaS) featuring software platforms for e-commerce; Software as a service (SaaS) featuring software platforms for customer self-service in retail and hospitality premises; information, consultancy and advisory services relating to all of the aforesaid