When a product is certified as organic it may use the designated logo. This can help distinguish your product and add value, because consumers can verify it has been authenticated by an accredited third party.
For more information on organic certification you can visit the links below:
Organic organisation in SA visit SAOSO
You can also view the South African organic directory, The Go-Organic Organic Directory at this link (click). The directory includes wholesalers, farmers, producers, advisers etc of all things organic in South African agriculture.