Vault Mark Co., Ltd.

Vault Mark is an award-winning, AI-driven SEO and digital growth agency in Bangkok, Thailand. We help brands get discovered, trusted, and chosen — by customers and by AI systems like ChatGPT, Google AI Overviews, Gemini, Perplexity, and Copilot.

Search has changed. Buyers now ask AI and receive a single answer instead of ten links. Our work makes sure your brand is in that answer. Every engagement starts with a diagnostic of your search visibility, AI citations, analytics, and conversion paths — so budget goes to the real bottleneck first, not to a generic package.

What we do

AI Search Optimisation (AEO / GEO / AIO): structuring your site, content, and brand entity so answer engines can understand, cite, and recommend you — not just rank you

SEO (Enterprise & Local): technical foundations, content strategy, and authority building in Thai and English

Paid Media & LinkedIn Demand Gen: Google, YouTube, Meta, LINE, LinkedIn — tracked in GA4 with clear KPIs

• CRO & Analytics: funnels, testing, and dashboards that turn traffic into revenue
• Proven results in the AI-search era

Johnson Health Tech: site health 75% → 100%, 60+ AI citations, sessions +314%, online sales +117% YoY

Rama Channel (Mahidol University): ~1.2M organic visits/month, 56K+ ranking keywords, 11,000+ AI citations

Allianz Ayudhya: ~140K organic visits/month, 27.8K+ ranking keywords, 460+ AI-cited pages

TechBehemoths Awards winner (Thailand) 2024 and 2025 for SEO and SMM. Founded in Bangkok in 2016, serving enterprise and mid-market brands across Thailand and APAC in Thai and English.