Post in the language your patients or clients think in. For most local practices in Riyadh that is Arabic; for international, corporate, or expat-facing work it may be English. Do both only if each stays genuinely good. Match the language to who you actually serve.
It depends on your audience, but for most experts the strongest options in Saudi Arabia are YouTube for depth and searchability, Instagram and TikTok for reach, and LinkedIn for corporate work. Pick one primary platform for your buyers, then repurpose. WhatsApp is where inquiries often close.
Increasingly, yes. In a market with near-total internet use, people research a professional online before committing, and a clear, credible presence tips the decision. Social media rarely makes the sale alone, but its absence quietly loses you the ones who looked and found nothing.