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NYC Legal & Notary
NPT Notary Public Thailand
บริการแปลและรับรองนิติกรณ์
Service area: Watthana (วัฒนา)

Affidavit, Oath & Sworn Declaration in Watthana

Licensed Thai Notarial Services Attorney serving the Watthana area — from THB 2,000, completed same day.

4.9/5
(6,168 client cases)
From
฿2,000
Time
30 min
Customer satisfaction
4.9/5 (692 cases (internal survey))
License
Lawyers Council
Area
Watthana
Call
+66 94-895-8999

Watthana is one of our most-served areas for Affidavit, Oath & Sworn Declaration. Our attorneys are registered Notarial Services Attorneys with the Lawyers Council of Thailand. Service starts at THB 2,000 with same-day completion, plus optional MFA + embassy legalization for use in 190+ countries. We offer both office appointments and on-site attorney visits within the Watthana area.

Pricing: from THB 2,000 — up to THB 6,000Service by NYC Legal & Notary Service Co., Ltd., DBD reg. 0435567000061

ทีมทนายผู้ทำคำรับรอง · ขึ้นทะเบียนสภาทนายความฯ

ทีมทนาย Notary Public ที่จดทะเบียนถูกต้อง 6 ท่าน

Turnaround
Same day
From
THB 2,000
On-site
Watthana
License
Lawyers Council TH

Why clients in Watthana choose NPT

  • Attorneys travel from our HQ on Lat Phrao 95 to Watthana within 60 minutes
  • Notarization compliant with Lawyers Council of Thailand standards, accepted by MFA + 190+ embassies
  • 30+ languages supported including English, Japanese, Chinese, Korean, German, French
  • One-stop service: notarization + translation + MFA legalization + embassy attestation
  • Over 1,000 clients per year served in the Watthana area for Affidavit, Oath & Sworn Declaration

Transit, malls and landmarks in Watthana

Premium Sukhumvit — Thong Lo, Ekkamai, Em-District megamalls and embassy row.

BTS Skytrain stations(5)

  • Asok
  • Phrom Phong
  • Thong Lo
  • Ekkamai
  • Nana

MRT subway stations(1)

  • Sukhumvit

Shopping malls and retail centres(8)

  • Terminal 21 Asok
  • Emporium
  • EmQuartier
  • EmSphere
  • Gateway Ekamai
  • J Avenue Thong Lo
  • K Village
  • Park Lane Ekkamai

Notable landmarks and references(7)

  • Benjasiri Park
  • Soi Cowboy
  • Asoke Intersection
  • Samitivej Sukhumvit Hospital
  • Bangkok Hospital Sukhumvit
  • Embassy of Switzerland
  • Embassy of South Korea (border)

Why this matters

Our Notarial Services Attorneys cover every BTS/MRT station, mall and office tower in this district within 30–60 minutes — notarisation on-site, returns via Lalamove / Grab / EMS.

Service in nearby locations

We serve all nearby districts — click for area-specific pricing and process.

Book Affidavit, Oath & Sworn Declaration in Watthana

Phone · LINE · office or on-site appointment in Watthana

Real customer questions, answered by our attorneys

Selected from our knowledge base of 3,300+ real questions we have answered.

Does the Department of Consular Affairs in Chaeng Watthana directly legalize foreign-issued documents?

Consular / Apostille

How we handle this in practice to "Does the Department of Consular Affairs in Chaeng Watthana directly legalize foreign-issued documents?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: MFA consular legalisation

What verification rules apply to foreign green building and sustainability standard certificates?

Consular / Apostille

How we handle this in practice to "What verification rules apply to foreign green building and sustainability standard certificates?" — Thailand acceded to the Hague Apostille Convention on 14 February 2025, so documents destined for member states now need a single Apostille from MFA — no destination-embassy step, except for states that objected to Thailand's accession. You never need to attend Chaeng Watthana yourself — we file under a power of attorney, track the queue, and courier the sealed originals back by EMS or DHL worldwide. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.

Related service: Apostille Thailand

Do Thai university degrees and transcripts require prior approval from the Ministry of Education before MFA legalization?

Consular / Apostille

Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "Do Thai university degrees and transcripts require prior approval from the Ministry of Education before MFA legalization?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: Embassy legalisation

What document attestation workflows do the UK and Australian embassies in Bangkok maintain?

Consular / Apostille

Quick summary for expats, HR and law firms to "What document attestation workflows do the UK and Australian embassies in Bangkok maintain?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: NAATI translation

What consular steps govern foreign aviation training organization accreditation certificates?

Consular / Apostille

Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "What consular steps govern foreign aviation training organization accreditation certificates?" — Thai consular legalisation is performed by the Legalization Division, Department of Consular Affairs, Ministry of Foreign Affairs, at Government Complex Chaeng Watthana (Building B), plus MRT Khlong Toei and regional counters. Thailand acceded to the Hague Apostille Convention on 14 February 2025, so documents destined for member states now need a single Apostille from MFA — no destination-embassy step, except for states that objected to Thailand's accession. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.

Related service: MFA consular legalisation

Can a Thai Notary Public lawyer's certification replace prior district office approvals for MFA document submission?

Consular / Apostille

Practitioner's view to "Can a Thai Notary Public lawyer's certification replace prior district office approvals for MFA document submission?" — Inbound chain for foreign documents used in Thailand: notarisation/Apostille in the country of origin → that country's embassy in Bangkok (if not an Apostille state) → Thai translation → MFA certification, after which DBD, district offices, Immigration and the Thai courts will accept the file. Thai consular legalisation is performed by the Legalization Division, Department of Consular Affairs, Ministry of Foreign Affairs, at Government Complex Chaeng Watthana (Building B), plus MRT Khlong Toei and regional counters. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.

Related service: MFA consular legalisation

Do LTR Visa applicants need MFA-legalized income verification documents?

Consular / Apostille

Practitioner's view to "Do LTR Visa applicants need MFA-legalized income verification documents?" — You never need to attend Chaeng Watthana yourself — we file under a power of attorney, track the queue, and courier the sealed originals back by EMS or DHL worldwide. Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: MFA consular legalisation

What ultimate safety precautions should be observed when storing and handling finalized MFA-legalized documents?

Consular / Apostille

Practitioner's view to "What ultimate safety precautions should be observed when storing and handling finalized MFA-legalized documents?" — Inbound chain for foreign documents used in Thailand: notarisation/Apostille in the country of origin → that country's embassy in Bangkok (if not an Apostille state) → Thai translation → MFA certification, after which DBD, district offices, Immigration and the Thai courts will accept the file. Thai consular legalisation is performed by the Legalization Division, Department of Consular Affairs, Ministry of Foreign Affairs, at Government Complex Chaeng Watthana (Building B), plus MRT Khlong Toei and regional counters. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: MFA consular legalisation

Key facts at a glanceNotary Public certification

Indicative price
From THB 800–3,000 per document set
Turnaround
Typically 1–2 business days (same-day rush available)
What you receive
Signed and sealed by a Thai Lawyers Council–registered Notarial Services Attorney
Service coverage
Nationwide Thailand — courier and fully online intake, no in-person visit required.

Figures above are indicative ranges; the final quote depends on page count, language pair and receiving authority.

Ask us or request a quote right away

Documents you need to prepareNotary Public certification

  1. 1Valid original passport or Thai ID card of the person signing
  2. 2The original document to be notarised — do not sign in advance; signing must occur before the attorney
  3. 3Details of the receiving authority — university, embassy, or overseas counterparty
  4. 4Company affidavit and power of attorney if signing for a legal entity

Before you start

  • Send scans ahead by email or LINE so the team can pre-check completeness before your appointment.
  • Always confirm the receiving body's own formatting rules — requirements differ between institutions.

Continue with related services

The paths most clients take next — ask us by phone, LINE or email at any step.