• Corporate Tax: 20% on adjusted profits
• VAT: 15% (if turnover exceeds SAR 375,000)
• Withholding Tax: 5%–20% for cross-border payments

Through the ZATCA portal. Filing is required quarterly once revenue exceeds SAR 375,000.

Yes, annual audits are mandatory for foreign companies.

Customs duties range from 5% to 20%. Exemptions may apply in specific sectors like manufacturing.