42 Building design services; providing temporary use of non-downloadable software applications accessible via a web site; providing temporary use of on-line non-downloadable software for importing and managing data; computer aided construction and design services relating to building projects; software development, programming and implementation; hosting services, software as a service, and rental of software; providing online, non- downloadable software; software as a service [SaaS] in the fields of construction site management, construction planning, construction documentation, construction supervision, accounting, financial planning, financial controlling and business management and control, technical and business property management, project management, compiling, analysing and managing and optimising property portfolio and ESG [environmental social governance] data; rental of computer hardware and computer software