42 Writing of computer programs; installation, maintenance, updating and upgrading of computer software; technical consultancy relating to the application and use of computer software; providing information in the field of computer software development; installation, maintenance and updating of database software; electronic storage of files and documents; data encryption services; development of systems for the processing of data; installing computer programs; development of programmes for data processing; electronic storage of medical records; computer security consultancy; electronic storage of documents; updating of computer software relating to computer security and prevention of computer risks; consultancy and information services relating to computer programming; computer software programming services; installation, maintenance and updating of computer software; providing information in the field of computer software design; information services relating to information technology; installation, maintenance and repair of software for computer systems; updating of computer programs; information technology [IT] consultancy; online data storage; development of systems for the storage of data; updating of computer programs for third parties; development of computer programs; electronic storage services for archiving electronic data; development of software for secure network operations; electronic data storage and data back-up services; computer code conversion for others; updating of smartphone software; electronic storage services for archiving databases; data encryption and decoding services; updating of computer software; modifying of computer programs; installation of database software; installation and maintenance of database software; consultancy relating to the design and development of computer software programs; electronic data storage; development of systems for the transmission of data; technical writing; computer programming services for data warehousing; development, updating and maintenance of software and database systems; consultancy and information services relating to information technology; maintenance of computer programs; computer software consulting; information technology [IT] consulting services; computer programming; database design and development; installation, maintenance and repair of computer software; software creation; computer analysis; development of computer software; design, maintenance, development and updating of computer software