Software as a service (SAAS) featuring software for the communication of tax related information obtained from tax authorities; platform as a service (PAAS) featuring software for integrating banking and financial platforms with tax authorities; tracking financial data and data authentication; data authentication in the field of banking and financial services; providing temporary use of online non-downloadable computer software applications for use as an application programming interface (API) for integrating banking and financial services platforms with tax authorities; application service provider featuring application programming interface (API) software for integrating banking and financial services platforms; design, development and implementation of software for integrating banking and financial systems; computer software installation; upgrading and maintenance of computer software; computer software consultancy; technological consultancy in the field of banking and financial services; information technology consultancy services; providing online non-downloadable software featuring software for integrating banking and financial platforms; software engineering; software customization