Computer software development and computer programming development for others; Computer software consultancy; Computer software consultation; Computer software design, computer programming, or maintenance of computer software; Computer software development; Updating of computer software for others; Research, development, design and upgrading of computer software; Software authoring; Software design and development; Developing and updating computer software; Developing computer software; Installation, maintenance and repair of computer software; Consultancy in the field of software design; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Design, maintenance, development and updating of computer software