You have lived in Thailand for 8–15 years, may be raising children here, and plan to stay. Thai citizenship gives you what Permanent Residence (PR) does not: the vote, land in your own name, and a Thai passport for you and your children. We guide you from eligibility check to Royal Gazette publication.
FAP
Registered CPAs
DFK
International Network
200+
Clients Served
1 day
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What You Get
Own land in Thailand in your own name, with no foreign-ownership limits, no nominee structures, and no yearly workarounds.
Travel on a Thai passport, with visa-free entry across ASEAN and visa-free or visa-on-arrival access to many other countries.
Thai nationals can work in any occupation without a work permit. Change careers, start a business, or consult freely.
Bank accounts, mortgages, business licenses, and inheritance, without the limits that apply to foreign residents.
2015
Founded in Bangkok
200+
Active SME clients
4.4/5
Google rating (78 reviews)
2015
Founded in Bangkok
200+
Active SME clients
4.4/5
Google rating (78 reviews)
How It Works
A clear, structured approach from start to finish.
Six to twelve months before you plan to file, we confirm your PR status, test your Thai against the conversation and anthem standard, and list any gaps in documents or language.
Thai lessons, mock interviews, and anthem coaching until you are ready for the examination, while we gather evidence of your integration: community participation, residence history, and employer references.
We prepare the naturalization application with all supporting documents (police clearances from every country you have lived in, proof of occupation, character references, and a personal statement) and file it with the competent authority.
We follow the Special Branch investigation, answer Ministry of Interior information requests, and prepare you for the naturalization examination (language and civics).
After Cabinet approval, we coordinate the Royal Gazette publication, your Thai ID card, your passport application, and your registration at the district office (amphur).
Six to twelve months before you plan to file, we confirm your PR status, test your Thai against the conversation and anthem standard, and list any gaps in documents or language.
Thai lessons, mock interviews, and anthem coaching until you are ready for the examination, while we gather evidence of your integration: community participation, residence history, and employer references.
We prepare the naturalization application with all supporting documents (police clearances from every country you have lived in, proof of occupation, character references, and a personal statement) and file it with the competent authority.
We follow the Special Branch investigation, answer Ministry of Interior information requests, and prepare you for the naturalization examination (language and civics).
After Cabinet approval, we coordinate the Royal Gazette publication, your Thai ID card, your passport application, and your registration at the district office (amphur).
Transparent Pricing
Government fee is THB 5,000 (application). Plizz engagement depends on PR-tenure category, document chain complexity, and whether language-test or background-check support is needed: we quote within 1 business day.
About our pricing:
| Tier / Variant | What's included | Govt / 3rd-party fees | Plizz service fee |
|---|---|---|---|
| Standard applicant (5+ year PR) | Single nationality, ≥5 years PR with clean record, Thai-language proficiency demonstrably in place, eligible occupational basis, documents already in Thai or readily translatable. | Citizenship application 5,000 + naturalization fee variable on approval | Get a quote · 1 business day Reason for quote:Why: document scope depends on PR history, occupational basis, and language readiness |
| Thai-married applicant (3+ year PR)Most common | Thai-spouse pathway with shorter PR-tenure threshold (3 years) and simpler language pathway in some districts. | Citizenship application 5,000 + naturalization fee variable on approval | Get a quote · 1 business day Reason for quote:Why: Thai-spouse pathway scope depends on spouse documentation and district-specific procedures |
| Multi-year follow-up retainer | Optional retainer for the multi-year follow-up window after submission: annual status checks, Special Branch liaison, document refresh. | None during retainer | Get a quote · 1 business day Reason for quote:Why: retainer scope depends on follow-up depth and frequency of agency interaction |
Standard applicant (5+ year PR)
Single nationality, ≥5 years PR with clean record, Thai-language proficiency demonstrably in place, eligible occupational basis, documents already in Thai or readily translatable.
Reason for quote:Why: document scope depends on PR history, occupational basis, and language readiness
Thai-married applicant (3+ year PR)
Thai-spouse pathway with shorter PR-tenure threshold (3 years) and simpler language pathway in some districts.
Reason for quote:Why: Thai-spouse pathway scope depends on spouse documentation and district-specific procedures
Multi-year follow-up retainer
Optional retainer for the multi-year follow-up window after submission: annual status checks, Special Branch liaison, document refresh.
Reason for quote:Why: retainer scope depends on follow-up depth and frequency of agency interaction
All Packages Include
Optional Add-Ons
| Add-on | Fee | Notes | Add to quote |
|---|---|---|---|
| Translation / certification of foreign documents | Get a quote · 1 business day Reason for quote:Why: per-document; depends on language and certification level | For non-Thai birth, marriage, or police-clearance certificates. | |
| Thai-language test preparation | Get a quote · 1 business day Reason for quote:Why: depends on current proficiency level and target test format | Including national-anthem coaching. |
Translation / certification of foreign documents
Reason for quote:Why: per-document; depends on language and certification level
For non-Thai birth, marriage, or police-clearance certificates.
Thai-language test preparation
Reason for quote:Why: depends on current proficiency level and target test format
Including national-anthem coaching.
Pricing Notes
Build your quote: Plizz confirms it within 1 business day
Estimate excludes 7% VAT and government fees. Plizz confirms your final quote within 1 business day.
The language test is only one part. Applications succeed or fail on the documents, the contact with the Special Branch, and years of follow-up during the investigation.
| Dimension | DIY / self-filed | Language tutor only | Plizz |
|---|---|---|---|
| Police clearances from all countries of prior residence | Self-coordinated; one missing clearance sends the file back | Not handled | Requested in parallel and tracked so none expires |
| Thai language and anthem preparation | Self-arranged | Provided | Included: conversational, reading, writing, and both anthems |
| Special Branch investigation management | Applicant manages alone | Not offered | We liaise at every stage and answer information requests promptly |
| Character file and Thai references built | Self-assembled | Not offered | Thai and international references planned for the investigation period |
Who this is for
Citizenship is the last step of a long journey: usually 3+ years of PR, then a long naturalization process. Thai law does not require you to give up your current nationality, but check your home country's rules before filing.
Your Plizz Contact
Visa & Work Permit Specialist
Thai immigration and labor relations: Immigration Bureau, BOI, MFA, Department of Employment liaison
Why Plizz
Thai citizenship is a long process that involves several government agencies, a formal language examination, and a Special Branch character investigation. Plizz manages the whole process, from language preparation to Royal Gazette publication, in one engagement.
Benoît
Jérôme
Nantida
Jeerapak
Supanut
Ornjira
Pawinee
Onarnong
Failing the language test is the most common reason a citizenship application is deferred. Our preparation covers conversational Thai, basic reading and writing, and both the national anthem and the Royal Anthem, from scratch or as a final polish for applicants who are nearly ready.
After filing, your file passes through the Special Branch, the Ministry of Interior, and finally the Cabinet. We track every stage and answer each information request, so your application keeps moving.
The Special Branch investigation includes neighborhood checks and employer interviews. We help you build a documented record (Thai and international references, community participation, stable work and address) that shows investigators you are genuinely integrated.
Before you file, we check what naturalizing in Thailand means for your home-country citizenship. If your country removes citizenship when you naturalize elsewhere and its passport is much stronger than a Thai one, the trade-off changes, and we raise that early.
PR lets you live in Thailand indefinitely. Citizenship gives you the rights of a Thai national, including those that matter most to families and investors.
| Right | PR holder | Thai citizen |
|---|---|---|
| Voting in Thai elections | No | Yes |
| Land ownership in your own name | No: foreign ownership limits apply | Yes |
| Thai passport | No | Yes, with visa-free or visa-on-arrival access to many countries, including all of ASEAN |
| Pass Thai nationality to your children by descent | No | Yes, wherever the children are born |
| Eligibility for Thai government jobs | No | Yes (many positions are reserved for Thai nationals) |
| Full household registration as head of household | Partial | Full |
Common Questions
Answers to the most common questions before and during engagement.
Explore More
Citizenship follows Permanent Residence, and PR follows years of compliant visas and clean tax records. Start early.
The prerequisite for citizenship under Section 10 of the Nationality Act: you must hold PR before you apply to naturalize.
Years on a marriage-based Non-O visa lead to PR, and PR leads to citizenship. Applicants married to a Thai national can usually file after a shorter time on PR.
A continuous record of Thai personal income tax is core evidence in a citizenship file. Gaps in your PND 91 history need fixing before you file.
The usual work-visa route to PR for applicants not married to a Thai national: 3 consecutive annual extensions build eligibility.
Insights
The BOI's Thailand Investment and Expat Services Center brings investment support, visas and work permits under one roof in Bangkok.
A comprehensive guide to Thai work permits for SMEs: eligibility, required documents, the application steps and how to hire foreign employees compliantly.
Seven crucial steps to renew your work permit in Thailand, from checking the expiry date and gathering documents to submitting the application on time.
Get Started
The process is long. Send us your details and we review your time on PR, your Thai, and whether the rights you gain are worth it in your situation.
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