The term used for companies that rent web space to business owners is web hosting. Web hosting services provide the infrastructure and technologies needed for a website or web application to be viewed on the Internet. These companies typically offer server space, server management, and other services such as bandwidth, email support, and domain management, enabling individuals and businesses to publish their websites online.
While site builders refer to tools that facilitate the design and creation of websites without needing extensive technical knowledge, they do not necessarily provide the web space where the sites are hosted. Cloud services encompass a broader range of offerings, including storage and computing resources delivered over the internet, but do not specifically focus on just renting web space for hosting purposes. Domain providers, on the other hand, are responsible for registering domain names but do not offer web hosting services. Therefore, the term that best describes companies that provide web space rental is web hosting.