Neither option is automatically better. The right choice depends on the size and requirements of your website.
A freelancer can be suitable for smaller projects where the requirements are straightforward and the budget is limited. Communication may also be more direct because you’re working with one person.
A web design agency can make more sense when a project requires multiple skills such as web design, development, UX, SEO, integrations, ecommerce, maintenance, or ongoing digital support.
Before deciding, compare experience, portfolio quality, technical capabilities, communication, timelines, support, and total project value.
For a Johannesburg business, the most important factor is choosing someone who understands your objectives and can build a website that performs effectively for your customers.