.SA regulations summary:

Local Saudi company or Saudi trademark required. Further, a local administrative contact is required. Web Solutions can provide the admin contact via our Trustee service for Saudi Arabia. The Trustee service is limited to ONLY the administrative contact, you still need a matching Saudi company or trademark.

Pricing and requirements for .SA domains, Saudi Arabia:

Annual domain fee: USD 175.00
Annual Local Presence/Trustee Service fee (if required): USD 250.00
Local company required: YES
Local contact person required: YES
Registration time frame: 14 day(s)

Enter the .sa domain name you wish to register, or select an extension group and click search button

For more information on registering .SA domain names with and without Local Trustee Service please refer to:
.SA domain names registration with local presence