Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; computer project management services; designing, writing and updating computer software; development of computer software application solutions; design and development of building information modeling software; design of models; custom design of software packages; installation and customisation of computer applications software; software customisation services; support and maintenance services for computer software and hardware; provision of on-line support services for computer program users; design and development of computer databases; website design services; creation and maintenance of web sites for others and hosting and managing the web sites of others; updating home pages for others; maintenance of websites and hosting on-line web facilities for others; design of information systems; configuration of computer systems and networks; engineering project management services; architectural project management; development of construction projects; rental and leasing of computer hardware