This Practice Note looks at the main legal and commercial issues when engaging a third party to design and build a new website. Websites can range from simple HTML plain-text sites to complex internet applications, social network services and business platforms. Consumers expect modern websites to be sophisticated, interactive, functional, and responsive—features which web developers and web designers must factor into the planning and development process. Website development agencies usually employ both developers and designers to handle projects from start to finish. It is not uncommon, however, for developers or designers to work independently on a freelance basis—either outsourced by agencies or contracted directly to customers. This means that customers may not always engage with one agency, but several developers/designers independently at various stages of development projects. In any case, it is important to understand the role and purpose of each specialist discipline throughout the development process including the type of work carried out respectively. For template agreements, see Precedents: • Website development agreement—short form • Website development agreement—long form Website design Website designers deal with