How much does it cost to legalise a Name Change Certificate for the South Korea embassy?

Embassy consular fee สอบถามเจ้าหน้าที่ + Thai MFA legalization (THB 200–400) + certified translation (THB 800–1,500/page) + NYC Legal service fee สอบถามเจ้าหน้าที่ — typically THB 6,000–12,000 all-in.

How long does the South Korea legalization take?

Thai MFA 2–3 days + Embassy of South Korea 5-10 วัน — 7–21 business days end to end, with express options where the mission allows.

Do I need the Thai MFA stamp before the South Korea embassy?

Yes — every Thai document must be legalised by the Department of Consular Affairs (Chaeng Watthana) before the Embassy of South Korea will authenticate it.

Does the Name Change Certificate need to be translated first?

In most cases yes — the Name Change Certificate must be translated into a language the South Korea mission accepts, certified by an MFA-recognised translator, then legalised together with the original.

What is a legalised Name Change Certificate used for in South Korea?

Visa and immigration filings, marriage, study, employment, pensions and legal matters. Popular documents at this mission: Apostille, Notarized Translation, Police Check.

Can I apostille a Thai Name Change Certificate instead of using the South Korea embassy?

No. Thailand is not part of the Hague Apostille system for this route, so a Thai Name Change Certificate for South Korea must go through Thai MFA legalization and then Embassy of South Korea authentication — not an apostille.

Do I need to appear in person at the South Korea embassy?

In most cases no — NYC Legal submits and collects on your behalf with an authorisation letter. A few document types (e.g. certain declarations) may require your signature, and we will tell you in advance if so.

How recent must my Name Change Certificate be for South Korea?

Many missions expect the underlying Name Change Certificate to be issued within the last 3–6 months. We confirm the current requirement for the South Korea embassy at booking so you don't legalise a document that will be rejected as stale.

What does a legalised Name Change Certificate for South Korea cost in total?

Typically THB 6,000–12,000 all-in: South Korea consular fee (สอบถามเจ้าหน้าที่), MFA legalization (THB 200–400), certified translation (THB 800–1,500/page) and our service fee (สอบถามเจ้าหน้าที่). You get an exact quote up front.

Can you ship the finished Name Change Certificate outside Thailand?

Yes. We deliver a scanned PDF immediately and courier the legalised original by EMS or DHL to any address in South Korea or worldwide.

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Name Change Certificate Legalization — Embassy of South Korea

One-stop service — certified translation + Thai MFA + Embassy of South Korea at ซอยเทียมร่วมมิตร

How do I legalise a Thai Name Change Certificate for the South Korea embassy?

Prepare the original Name Change Certificate → certified translation into an accepted language → Thai MFA legalization (Chaeng Watthana) → Embassy of South Korea authentication (ซอยเทียมร่วมมิตร). Total 7–21 business days. Consular fee สอบถามเจ้าหน้าที่ + service สอบถามเจ้าหน้าที่. NYC Legal handles every counter.

Embassy: South Korea
Location: กรุงเทพฯ (เทียมร่วมมิตร)
Consular fee: สอบถามเจ้าหน้าที่
Service fee: สอบถามเจ้าหน้าที่
Turnaround: 5-10 วัน

แหล่งที่มา: Updated 2026-05 — NYC Legal & Notary Service

Name Change Certificate → Embassy of South Korea: step summary
Step	Turnaround	Cost
Translate Name Change Certificate	1–3 days	THB 800–1,500 / page
Thai MFA legalization	2–3 days	THB 200–400
Embassy of South Korea	5-10 วัน	สอบถามเจ้าหน้าที่
NYC Legal service	—	สอบถามเจ้าหน้าที่
Estimated total	7–21 days	THB 6,000–12,000

Legalising a Thai Name Change Certificate for South Korea

A Thai-issued Name Change Certificate is a domestic document until it is legalised for use abroad. For South Korea, that means a two-tier authentication: the Department of Consular Affairs verifies the translator's and issuing officer's signatures, then the Embassy of South Korea confirms the MFA stamp. NYC Legal handles both tiers, tracks each counter, and returns your document ready to file.

Why the legalization chain is required

The reason the chain exists is verification of authenticity across jurisdictions. The South Korea embassy will not read your Thai Name Change Certificate directly; instead it relies on the Thai MFA to vouch for the signature and seal of the Thai issuing authority (or the certified translator). This is why skipping the MFA step is the single most common cause of embassy rejection — the mission simply has nothing to authenticate against.

Certified translation requirements

Most South Korea authorities require the Thai Name Change Certificate to be accompanied by a certified translation into a language the mission accepts — typically English, or the official language of South Korea. The translation must be faithful, complete, and produced by a translator whose signature the Thai MFA can verify. We use MFA-recognised translators so the translation itself can be legalised alongside the original.

Transparent, itemised pricing

The South Korea embassy fee for a Name Change Certificate (สอบถามเจ้าหน้าที่) is set by the mission and can shift with exchange rates, so we confirm it at booking. Add MFA legalization, certified translation, and our transparent service fee (สอบถามเจ้าหน้าที่) and the all-in figure is usually THB 6,000–12,000 for one document — with volume discounts for family or corporate batches.

Realistic timelines you can plan around

The South Korea mission's own processing (5-10 วัน) is the least controllable part of the timeline, which is why we start translation and MFA legalization immediately and submit to the embassy the moment the MFA stamp is dry. Total realistic turnaround for a Name Change Certificate is 7–21 business days; we give you an honest date at quotation, not an optimistic one.

What a legalised Name Change Certificate is used for

A legalised Name Change Certificate is commonly required by South Korea for immigration and visa applications, marriage registration, family reunification, university admission, employment and work authorisation, pension and social-security claims, property or inheritance matters, and company registration. The most requested documents at the South Korea mission include Apostille, Notarized Translation, Police Check.

Common mistakes we help you avoid

Common mistakes with a Name Change Certificate for South Korea: wrong order of stamps, an unverifiable translator, mismatched transliteration of names, missing supporting documents (e.g. a marriage certificate needed alongside a name-change record), and booking the embassy before the MFA step is complete. Our review catches these before they cost you a wasted counter visit.

Why work with NYC Legal

NYC Legal has run the Thai-MFA-to-embassy chain for foreign clients for years. For your Name Change Certificate to South Korea we handle certified translation, MFA legalization at Chaeng Watthana, and submission to the Embassy of South Korea at ซอยเทียมร่วมมิตร — with courier delivery of the finished original anywhere in the world. You get a fixed quote, a named case handler, and status updates at every counter.

Full legalization chain

Step	Where	Time	Note
1. Certified translation	NYC Legal — MFA-recognised translator	1–3 days	Name Change Certificate translated into an accepted language, full layout mirrored
2. MFA legalization	Dept. of Consular Affairs, Chaeng Watthana	2–3 days	Authenticates translator / issuing signature; express ~THB 800
3. South Korea embassy authentication	Embassy of South Korea, ซอยเทียมร่วมมิตร	5-10 วัน	Consular fee สอบถามเจ้าหน้าที่; confirms the MFA stamp
4. Return / courier	NYC Legal	1–2 days	PDF scan immediately + original by EMS/DHL worldwide

❓ คำถามที่พบบ่อย — Embassy of South Korea

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