TopOnSeek

TopOnSeek (TOS), founded in 2016 and headquartered in Ho Chi Minh City, is Vietnam’s leading performance-driven digital marketing and search optimization agency. As the first authorized SEMrush partner in Vietnam, TOS has built its reputation on delivering sustainable, white-hat SEO strategies that produce measurable business outcomes. Operating across 5 countries with nearly 100 specialists and over 8 years of industry experience, TOS serves enterprise clients across e-commerce, banking, logistics, real estate, healthcare, and education — with landmark partnerships including Vingroup, Viettel, Shopee, Lazada, and ZaloPay. The agency has earned recognition from the Global Search Awards (2025), Clutch, and The Manifest as one of the top SEO agencies in Vietnam.

TOS has evolved from a pure-SEO agency into a full-spectrum AI-era search and conversion agency. Its three emerging service pillars include: AIO (AI Integrated Optimization) — helping brands gain visibility through AI-powered search engines; AEO (Answer Engine Optimization) — optimizing content to be cited by AI tools such as Google AI Overviews, ChatGPT, and Perplexity; and GEO (Generative Engine Optimization) — positioning brand content as a trusted reference within generative AI platforms like Gemini and Copilot.

1. SEO Performance & Traffic Growth: End-to-end SEO covering keyword strategy, on-page and technical SEO, content, and link building — delivering sustainable organic traffic growth aligned with measurable revenue outcomes.

2. AIO – AI Integrated Optimization: Helps brands achieve visibility within AI-powered search engines by optimizing content architecture and authority signals so businesses are surfaced by AI at key buyer journey points.

3. AEO – Answer Engine Optimization: Content optimization ensuring citations in AI direct-answer tools including Google AI Overviews, ChatGPT, and Perplexity — focused on structured, authoritative content.

4. GEO – Generative Engine Optimization: Strategies to increase brand content visibility within Gemini, Copilot, and ChatGPT by creating deeply researched, trustworthy content that becomes a primary AI reference.

5. Conversion Rate Optimization (CRO): Data-driven CRO combining behavioral analytics, UX auditing, heatmap tracking, and A/B testing to turn more website visitors into qualified leads.

6. Data Intelligence & SEO-Compliant Web Design: Strategic analytics consulting paired with website and app development designed for conversion optimization and search compliance.