TOP Professional AI Search Optimization Companies in Seoul

238LAB is a specialized Google SEO and GEO firm that provides guidance on SEO and GEO techniques suitable for diverse environments, ranging from startups to large corporations, through over 1,000 successful site optimization projects. We focus on building sustainable search traffic assets, optimizing website information structures and content based on technical SEO, and offering integrated SEO/GEO strategies that take into account generative AI search environments such as ChatGPT, Gemini, and Claude.

• Seoul, Seoul, South Korea

• AI Search Optimization, LLM optimization +7

• Fintech, IT +1

• $10,000 - 25,000

SEO Korea (SEO.co.kr) provides elite Technical SEO, On-site SEO, and GEO for enterprises, law firms, and hospitals. We optimize for global search and AI-driven discovery to ensure market dominance. Forbes Business Council member & Semrush Partner

• Seoul, Seoul, South Korea

• AI Search Optimization, LLM optimization +6

• Dental, Health & Wellness +1

• Starting from $10,000

Ascent AI, responsible for GEO (Generative Engine Optimization) and SEO (Search Engine Optimization) for major domestic companies, provides consulting services that offer the latest strategies to maximize brand visibility across the entire environment of generative AI—including ChatGPT, Gemini, Perplexity, and Google AI Overview—and traditional search engines. Based on intent data from its proprietary solution 'ListeningMind,' the company offers strategies to ensure that brands and their media are exposed and cited in AI-recommended responses.

• Seoul, Seoul, South Korea

• AI Search Optimization, LLM optimization +7

• Ecommerce, Telecommunications +1

• Starting from $10,000

Leadgen Lab is an AI search optimization agency that helps brands be better discovered, cited, and recommended in search engines and AI responses through AEO/GEO, SEO, content architecture, structured data, and entity design.

• Seoul, Seoul, South Korea

• AI Search Optimization, LLM optimization +7

• IT, Health & Wellness +1

• $2,500 - $5,000

Unleash Your Business Potential with Vincent Brand Go. Specializing in SEO, Google PPC, Social Media, Social Media Ads, Email and more.

• Active in South Korea

• AI Search Optimization, LLM optimization +58

• Home Services, Ecommerce +18

• Starting from $2,500

ZESTCOMPANY is a specialized GEO, AEO, and SEO agency that has operated search marketing for nine years since 2017, working with over 500 brands. We measure AI exposure based on target questions, separately measure brand mentions and source citations across ChatGPT, Gemini, Perplexity, and Claude, and directly handle everything from site structure and structured data to content execution.

• Active in South Korea

• AI Search Optimization, LLM optimization +6

• Fintech, Healthcare & Hospital +1

• $10,000 - 25,000