All Your Brand Needs, in a Single Scroll
If you are a start-up business or an individual that just needs a web presence, a one-page website could work for you. On a one-page website, you would want to include the key information beneficial to your targeted audience.
You could also use a one-page website if you are offering a program or a specific service that you need to drive traffic to. Some would use it as a lead capture. Either way, a one-page website would keep your audience attention on the most important content.
* Pricing is approximate and subject to variation depending on your project's specific requirements.