SEO Services in Thailand for Companies That Sell in Two Languages

A bilingual SEO agency in Thailand for international brands: Thai-language search, English search, and the AI answers that now sit above both.

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SEO Services in Thailand for Companies That Sell in Two Languages

Your SEO Agency in Thailand, Working in Thai and English

We help international companies and Thai exporters win Google Thailand in both languages, then report the outcome against leads and revenue rather than rankings alone.

One Country, Two Search Markets

Thailand is not a single search market. A Thai buyer researches in Thai, often on mobile, using short and colloquial phrasing that rarely matches a translated keyword list. The regional decision-maker who signs the contract researches the same category in English and lands on completely different pages. Companies that treat one of those audiences as a translation of the other end up with a site that ranks for phrases nobody types. Our keyword research starts separately in each language, from real Thai search data on one side and regional English data on the other, and only then gets joined by hreflang and internal linking so the two versions support each other instead of competing.

Built for How Thai Search Actually Behaves

Google handles 99.5% of Thai desktop and mobile search (StatCounter, July 2026), so a Thailand SEO program is effectively a Google program. What changes is the surface. Thai queries are frequently written without spaces between words, mix Thai and Latin script inside one phrase, and increasingly return an AI-generated answer before the first organic result. We build pages that a crawler can segment correctly, that a Thai reader recognizes as written by a Thai speaker, and that an AI assistant can quote without distorting the meaning.

What Our Thailand SEO Services Cover

Five workstreams, run as one roadmap against your commercial targets.

Technical SEO & Site Audits

Crawlability, indexation, Core Web Vitals, internal linking, canonicals and Thai-English hreflang, audited and fixed in priority order so nothing else is built on a broken foundation.

Thai-Language Keyword Research & Content

Thai clusters built from Thai search data and written by Thai speakers, not translated from an English brief. Each cluster maps to a page with a defined commercial job.

White-Hat Link Building

Editorial placements on real Thai and international sites in your sector. No private blog networks, no bulk directories, nothing that puts the domain at risk.

AI Search Optimization (GEO)

Structured, citable content and entity markup so your brand appears inside AI Overviews, ChatGPT and Gemini answers when buyers research before they ever open a results page.

Reporting Against Revenue

Rankings, traffic, leads and pipeline in one dashboard you can open any day, plus a monthly session covering what shipped, what it produced and what happens next.

Why SEO in Thailand Is Not the Same Job as SEO Anywhere Else

Thailand looks like an easy search market on paper. Google handles 99.5% of searches (StatCounter, July 2026) and 94.7% of the population is online (DataReportal, October 2025 data), so one engine reaches effectively the whole addressable market. Reach is the easy part. The hard part is that the market runs in two languages, with different results pages, different competitors and different buying behavior behind each one.

Thai-language search behaves in ways that break tools and habits imported from English markets. Thai is written without spaces between words, so keyword strings that look like one phrase to a Western tool are segmented differently by Google. Buyers mix Thai and Latin script inside a single query, drop formal vocabulary in favour of spoken shorthand, and search overwhelmingly on mobile. A keyword list produced by translating English terms will contain phrases that are grammatically correct and commercially useless.

The English side of the same market is a separate contest. Regional headquarters, procurement teams and expatriate managers search in English, compare a shortlist of providers, and often make the decision that matters commercially. Those results pages are less crowded than the Thai ones in many service categories, which is why an international brand with a well-built English presence can win qualified pipeline in Thailand long before its Thai pages mature.

Our Thailand SEO Services

Technical work comes first, because content and links compound on a healthy site and stall on a broken one. A technical SEO audit covers crawlability, indexation, page speed and Core Web Vitals, internal linking, canonical logic, structured data and the Thai-English hreflang setup that tells Google which version to serve to whom. Findings are ranked by commercial impact, not by tool severity score, and the site is re-audited on a schedule so regressions surface early.

Content is built as two parallel programs. Thai clusters are researched from Thai search data and written by Thai speakers, then reviewed for the register a business audience expects. English clusters are researched from regional data and written for the decision-maker abroad. Each cluster maps to one page with a defined job, which is what stops two of your own pages from competing for the same query.

Authority comes from white-hat link building: editorial placements on real sites in your sector, in Thai and in English, with no private networks or bulk directories. Around that sit the specialist tracks. Local SEO covers Google Business Profile, Thai citations and map visibility for companies with physical locations. Retailers get e-commerce SEO across category and product pages. And because a growing share of Thai and English queries now return a generated answer before the organic results, AI search optimization runs inside the same roadmap rather than as a separate product. If your program is concentrated in the capital, our SEO agency in Bangkok page covers that city-level work in more detail.

Thai vs English SEO: What International Companies Get Wrong

The most expensive mistake is treating the Thai site as a translation deliverable. Translation preserves meaning and destroys search intent, because the phrase a Thai buyer actually types is rarely the correct translation of the English keyword. A page built that way reads fine, ranks for nothing, and quietly convinces the head office that Thai SEO does not work.

The second mistake is hreflang left half-configured. When the Thai and English versions do not declare each other correctly, Google picks one, and it is often the wrong one for the query. The symptom is familiar: an English page outranking your Thai page for a Thai search, or the reverse, with conversion rates on both looking worse than they should.

The third is measuring the two languages against one benchmark. Thai and English pages in the same category sit in different competitive fields with different volumes, difficulty and conversion behavior, so a single blended traffic target hides which half of the program is working. The table below sets out where the two actually diverge.

Thai-language SEO vs English SEO in Thailand: how the work differs
Dimension	Thai-language SEO	English SEO in Thailand
Who is searching	Local buyers, SMEs and consumers, predominantly on mobile	Regional HQs, procurement teams, expatriate managers, more desktop
Keyword research source	Thai search data, validated by Thai speakers; translated lists do not survive contact with the results page	Regional English data; closer to standard international practice
Query shape	Short, colloquial, written without spaces, often mixing Thai and Latin script	Longer, more formal, service-and-location phrasing
Competitive field	Crowded in commercial service categories; local agencies hold long-standing positions	Thinner in many B2B categories, which is where an authoritative site can move quickly
Content approach	Written natively for a Thai business reader, not localized after the fact	Written for a decision-maker comparing regional providers
Technical requirement	Correct hreflang pairing, Thai URL and slug handling, mobile performance	Correct hreflang pairing, canonical discipline, regional targeting signals

Search-engine share figure: StatCounter, Thailand, July 2026. Internet penetration: DataReportal, October 2025 data.

SEO Pricing in Thailand: The Ranges We Publish

Most agencies in Thailand keep pricing behind a contact form. Ours sits on the service pages themselves, and the table below collects every range published across this site so you can size a budget before the first conversation.

Three things decide where you sit inside a range: how contested your category is in Thai search, how many languages and markets the program has to cover, and how much content and digital PR the gap analysis calls for. A single-language business serving one province sits near the floor. A multi-market brand in property, healthcare or finance sits near the ceiling. Advertising media budgets, such as Google Ads spend, are separate and paid to the platform rather than to us.

Every engagement is quoted as a fixed monthly fee after a free audit, with deliverables written into the scope. If you want to see how these ranges compare with the rest of the market, our published comparison of SEO agencies in Bangkok sets out what other providers offer.

Published SEO pricing ranges for Thailand, Relevant Audience
Service	Published range (THB)	Published on
SEO retainer, full program	20,000–150,000+ per month	This page (FAQ below)
Typical active bilingual campaign	40,000–60,000 per month	This page
Local SEO, single or multi-location	15,000–50,000 per month	Local SEO
E-commerce SEO	30,000–150,000 per month	E-commerce SEO
Editorial link building	4,000–15,000 per link, or 25,000–120,000+ per month	Link building
AI search / GEO program	30,000–120,000 per month, AI visibility audit from 25,000	GEO services

Ranges as published on relevantaudience.com service pages, August 2026. Advertising media budgets are billed separately at cost.

Where We Work: Thailand, Singapore, Australia and the Region

Relevant Audience is a digital performance marketing agency in South East Asia with offices in Thailand, Singapore and Australia, and selected partnerships with companies in Spain, Malaysia and India. For a Thailand SEO program that means the local work is done locally, while a regional rollout does not have to be rebuilt agency by agency in each market.

Inside Thailand the work concentrates in Bangkok, where most head offices, e-commerce operations and competitive service categories sit, and extends to provincial visibility for businesses with locations outside the capital. Companies expanding beyond Thailand usually keep the same strategist and the same reporting structure as English clusters are extended into neighbouring markets.

The practical benefit is one point of contact rather than a coordination problem. Thai keyword research, English content, technical work and reporting run through a single roadmap, and the head office abroad reads the same dashboard as the local team in Bangkok.

Getting Started With a Free Thailand SEO Audit

Get a Free Proposal

1
The first step is a free audit and consultation. We review your technical health, where you currently rank in Thai and in English, which keywords competitors already own, and whether your analytics can prove a return at all. You keep the findings and a prioritized plan whether or not you work with us.
2
From there we propose a scope and a transparent monthly investment matched to your category and ambition, typically starting between THB 40,000 and 60,000 per month for an active bilingual campaign. You will know what is included, what ships each month and which milestones we are working toward before anything is signed.
3
Once the engagement starts you get a bilingual team, a single point of contact and onboarding inside the first two weeks. Pairing the SEO roadmap with AI search optimization from the beginning is now the common choice, since the same structured, well-sourced content earns Google rankings and citations in AI answers at the same time.

Get a Free Proposal

Testimonials

Customer Testimonials

See what our clients are saying about our performance.

“Relevant Audience is like a trusted buddy, they contribute to an optimally efficient marketing strategy”

Phathorn SaeguayAdvertising leader at Decathlon Thailand

“Relevant Audience truly show their expertise in online marketing. They have assisted us with developing influencer marketing and artwork design in various online campaigns. this allow us to effortlessly process with our marketing plan.”

Nawamin SiwasaranonMarketing Manager at Foodpanda Thailand

“We're able to target effectively to reach the right audience at right time and in the right place.”

Tom ThrussellBrand, Marketing & Digital

“As a startup, we prioritized ROI on all of our online marketing Activities. K. Antonio and his team at Relevant Audience truly understands our company's priorities, constraints and limited budget, nonetheless help creates a stunning result on Google Ads.”

Pichitchai WongsaereeChief Marketing Officer

“Relevant Audience planned, created and launched a Google Ads Campaign for my Property Agency. They provide personalized, professional and efficient online marketing services. Greatly recommend! 5 Star Service! Thanks again!”

Pierre LeungFounder

“They understand Real Estate scenario in Thailand. Pleasure working with this business, highly recommended”

Costa SavvaFounder

“If you are looking for a hands-on campaign management – Antonio and his team are your best choice. Great Professional service, personal attention to your business needs, and round the clock support for your investment in marketing makes this team a very good addition to your business. Strongly recommend!”

K. NoiOwner

“The team in Relevant Audience, was always very responsive, even on weekends or out of working hours to help us on any request. We trust this highly ethical and honest agency.”

Bernd BeyerFounder

“Relevant Audience has helped us in bringing our website up to SEO standards , as well as expands our online customer base without going over budget”

Sasiprapa ChuenklinMarketing and Sales at Eco Plant Services Co.,Ltd.

“Relevant Audience surely understands our business goals and has been a very thorough in every steps, and an organized partner. They deliver results on time and within budget”

Ochawin ChantarachaiSenior E-Commerce Specialist at Ocean Glass Public Company Limited

“Everyone here is truly professional. They instantly understand our requirements. The entire team is always ready to assist, collaborate, and provide advice to assist us in resolving issues or developing new strategies”

Mr.Panuwat BungadaengMarketing Communications (MARCOM) at THAC

Success Stories

Our Client Success Stories

Discover how we transformed our clients' businesses with data-driven strategies.

Web Development

01/08

How Relevant Audience helped Decathlon Achieve

20%Online revenue increase

90%First-page keywords

200%Increase in ROAS in FB Ads

View Case Study

FAQ

Frequently Asked Questions About SEO in Thailand

Costs, timelines, language questions, and the things we will not promise.

SEO retainers in Thailand generally run from THB 20,000 to 150,000 or more per month, with most active bilingual campaigns sitting between THB 40,000 and 60,000 per month. Where you land depends on how contested your category is in Thai search, how many languages and markets the program covers, and how much content and digital PR the gap analysis calls for. Specialist tracks are published separately, including e-commerce SEO from THB 30,000 per month, link building from THB 4,000 per placement, and GEO programs from THB 30,000 per month.

It can rank for English queries made inside Thailand, and for brand and niche technical terms, but it will not compete for Thai-language commercial phrases. Those searches return Thai pages because Google matches the language of the query. If your buyers research in Thai, you need Thai pages with their own keyword research, not an automatic translation layer over the English site.

We start from Thai search data rather than a translated English list, because Thai queries are shorter, more colloquial, often typed without spaces, and frequently mix Thai and Latin script. Thai-speaking strategists validate every cluster for how a real buyer would phrase the problem, then we check the search results themselves to confirm what intent Google is actually serving before a page is briefed.

Expect early ranking movement in the first three to four months and meaningful traffic and lead growth between months six and nine. Lower-difficulty Thai service terms can move faster than their English equivalents because those results are less contested, while the Thai head terms for hiring an agency take longer, since the incumbents have years of accumulated links behind them.

Yes, and it is a large part of what we do. We act as the local search team for international brands entering or scaling in Thailand, covering Thai keyword research, Thai copy, local technical requirements and reporting in English for a head office abroad. We also run programs from our Singapore and Australia offices for companies selling across the region.

No, and a guarantee should make you cautious about any agency offering one. Nobody outside Google controls the ranking systems, so a promised position is either paid placement described as organic or a gamble with your domain. What we commit to is the scope, the sequence of work, and reviewed milestones at 90 days, six months and twelve months.

Still have a question for us?