Choosing the right SEO and AI Search agency is an important step toward achieving business goals. With the rise of AI Search, businesses also need strategies that go beyond traditional SEO. To help you find the right partner, we’ve curated a list of the 7 Best SEO and AI Search Agencies in Bangkok for 2026, highlighting agencies with expertise in SEO, AI Search and modern search strategies designed to help businesses stay visible across both traditional search engines and AI Search platforms.
| Agency | Key Highlights | Contact | Website |
| ANGA | • E-E-A-T-compliant content & AI Search (GEO) optimization. • Custom 24/7 dashboard via ANGA ONE platform. | [email protected] (02-023-8899) | anga.co.th |
| Relevant Audience | • Bilingual SEO strategies (Thai and English) | [email protected] (02-038-5055) | relevantaudience.com |
| Cotactic | • Collaborative in-house team style approach. • Targets measurable results within 3 months. | (065-095-9544) | cotactic.com |
| IBEX | • Page 1 Google ranking guarantee within 90 days. | [email protected] (02-780-2897) | ibex.co.th |
| Convert Cake | • Strong foundation for Answer Engine Optimization (AEO) and AI Search. | [email protected] (085-188-6648) | convertcake.com |
| Vault Mark | • SEO strategies for SMEs and large enterprises. • Integrates AI algorithm insights into site architecture. | [email protected] (02-096-6489) | vaultmark.com |
| Adchariya | • Focuses on E-E-A-T content and real-time performance tracking. • Smoothly transitions traditional SEO to AI Search visibility. | [email protected] (02-028-7768) | adchariya.co.th |
7 Best SEO and AI Search Agencies in Bangkok for Your Business
1. ANGA
ANGA Bangkok is one of Thailand’s top AI Search experts and a premier SEO Agency in Bangkok with a proven track record of managing over 400 business websites. As an award-winning marketing agency, ANGA helps companies turn search rankings into real business sales and leads.
ANGA uses a data-driven approach focused on understanding what customers are actually searching for. They build strong organic strategies by combining high-quality content with Google’s quality guidelines (E-E-A-T), helping businesses stay ahead of the competition as modern search engines evolve.
Key Service Highlights & AI Search Capabilities
- Smart Keyword Strategy: Uses advanced data tools to target keywords that actually bring in real customers and sales.
- High-Quality, Trusted Content: Creates well-researched and original content that meets Google’s authority standards, ensuring your website gets indexed quickly and stays at the top.
- Technical SEO Audits: Fixes website bugs, speeds up loading times and improves mobile performance so search engines can easily read your site.
- Safe & High-Quality Link Building: Gains reputable links from real websites to build domain authority, strictly avoiding spammy or risky tactics.
- AI Search & GEO Optimization: Structures your website content so that modern AI platforms like ChatGPT, Google Gemini or AI Overviews can easily understand and recommend your brand.
- Clear Reporting & ROI Tracking: Keeps everything transparent with easy to understand performance dashboards through ANGA ONE, an exclusive platform designed for ANGA partners. Partners can access their performance data, track results and monitor ROI independently 24/7, giving them complete visibility into their campaign performance at any time.
Email: [email protected]
Phone: 02-023-8899
2. Relevant Audience
Relevant Audience is a digital performance marketing agency based in Bangkok that helps businesses turn organic search traffic into measurable growth and revenue. Its SEO services include technical SEO audits, Thai and English keyword research, conversion-focused content and white-hat link building.
The agency works with local, E-Commerce and international businesses, focusing on overall business growth rather than rankings alone. Relevant Audience also uses AI-driven SEO and Generative Engine Optimization to help brands improve their visibility across AI Search platforms.
Email: [email protected]
Phone: 02-038-5055
3. Cotactic
Cotactic is an SEO and AI Search agency that works closely with businesses like an in-house team to develop strategies based on their goals. Its approach combines data-driven keyword research, search intent analysis, technical SEO and high-quality content to attract relevant organic traffic and potential customers. A key strength is helping brands build credibility and increase their chances of being featured in AI Search results.
Cotactic focuses on delivering measurable results within three months, using performance data to continuously refine its SEO strategies. By integrating SEO with broader digital marketing strategies, Cotactic helps businesses achieve sustainable growth and stay competitive in the evolving AI Search landscape.
Phone: 065-095-9544
4. IBEX
IBEX provides SEO strategies tailored to each industry, covering areas such as keyword research, content optimization, website structure and overall search performance. It focuses on achieving measurable business results rather than simply improving keyword rankings. Its strategies are designed to help businesses reach the first page of Google within 90 days, supported by its Page 1 Guarantee.
By combining technical SEO, content strategy and brand visibility, IBEX helps businesses attract more relevant visitors and turn organic traffic into potential customers. With a focus on measurable results and long term growth, IBEX works as a dedicated SEO partner to help businesses adapt to changing search behavior and build stronger online visibility.
Email: [email protected]
Phone: 02-780-2897
5. Convert Cake
Convert Cake stands out among Bangkok SEO agencies with its performance focused approach, prioritizing business growth, conversions and revenue. They focus on high intent keywords and human created content that follows Google’s E-E-A-T principles to attract relevant customers. These strategies are designed to improve search visibility, attract relevant organic traffic and turn website visitors into qualified leads and customers. Convert Cake offers transparent SEO tracking while building a strong foundation for visibility on AI Search platforms.
Email: [email protected]
Phone: 085-188-6648
6. Vault Mark
Vault Mark is a forward-thinking SEO agency in Bangkok that helps businesses build strong search visibility and achieve sustainable organic growth. The agency develops SEO strategies tailored to different industries and business needs, supporting both SMEs and large enterprises. With the search landscape evolving in 2026, Vault Mark also incorporates AI driven insights into its SEO strategies. The agency works to improve website structures and content so search engines and AI Search platforms can better understand and index business information. By combining technical SEO, quality content and strategic optimization, Vault Mark helps businesses increase organic visibility, attract relevant traffic and achieve sustainable long-term growth.
Email: [email protected]
Phone: 02-096-6489
7. Adchariya
Adchariya is an SEO and AI Search agency in Bangkok. The agency begins each project with market research to understand the business, target audience and growth goals before developing a tailored strategy. It focuses on E-E-A-T-based content to build brand credibility, attract relevant organic traffic and improve search visibility. Its approach combines technical SEO, quality content, website optimization and real-time performance monitoring to continuously improve results.
By adapting strategies based on data and changing search behavior, Adchariya helps businesses strengthen their online presence, achieve sustainable growth and improve their visibility across both traditional search engines and AI Search platforms.
Email: [email protected]
Phone: 02-028-7768
Choosing the Right SEO Agency in Bangkok to Drive Business Growth
Choosing the right SEO agency in Bangkok is an important investment in your business growth. The right partner should understand your business, target audience and goals, then turn search visibility into measurable results. When comparing agencies, look for proven experience, a clear SEO strategy and a strong understanding of your industry. As search continues to evolve with AI Search, your agency should also be able to adapt its strategy to changing user behavior and search technology. By choosing an agency that aligns SEO with your broader business objectives, you can achieve stronger long-term ROI from your search marketing investment.