Monthly Bookkeeping Service — Full-Cycle Thai Accounting & Tax
Full-cycle monthly bookkeeping by CPD-licensed accountants under TFRS for NPAEs, delivered through FlowAccount, Xero, or PEAK. We prepare and file VAT (PP.30), withholding tax (PND.1/3/53), and social security every month, plus a trial balance, P&L, and AR/AP report. From THB 3,500/month (up to 30 transactions).
- From
- THB 3,500 / month
- Turnaround
- Books closed by the 10th each month
- Coverage
- 12+
Our workflow is aligned with the Department of Consular Affairs, Ministry of Foreign Affairs (MFA Chaeng Watthana) and the published requirements of each destination embassy or consulate. We track changes weekly directly from the originating authorities so the steps you see here reflect what actually clears today — not what was published years ago.
Why this matters
Our Monthly Bookkeeping Service — Full-Cycle Thai Accounting & Tax desk handles one of the highest request volumes in the firm — currently spanning 12 primary categories, each with its own evidentiary checklist, certification chain, and turnaround. Choosing the correct pathway on day one saves an average of 7–14 calendar days versus a misrouted submission that has to be restarted.
Because monthly bookkeeping service — full-cycle thai accounting & tax sits at the intersection of Thai administrative law and the destination authority's evidentiary rules, the cost of a misstep is rarely the filing fee — it is the lost window. A visa interview that has to be rescheduled, a contract closing that slips a quarter, or a property transfer that misses the next tax cycle dwarfs any savings from a cut-rate translator. Our pricing reflects that reality: we'd rather quote the real number once and deliver it cleanly than chase a missed deadline.
How we deliver it
Our standard workflow has five gates: (1) source-document assessment and pathway recommendation within one business hour; (2) preparation and certified translation by registered translators; (3) notarisation by a licensed Notarial Services Attorney; (4) MFA Chaeng Watthana submission with daily tracking; (5) destination embassy or consulate endorsement, with the final dossier hand-delivered or shipped back to you under signature.
- Intake & free document review (≤1 business hour).
- Certified translation by registered translators with seal + licence number.
- Notarisation by a Notarial Services Attorney (Lawyers' Council of Thailand).
- MFA Chaeng Watthana endorsement (Department of Consular Affairs).
- Destination embassy / consulate finalisation + return delivery.
Document readiness before filing
Monthly Bookkeeping Service — Full-Cycle Thai Accounting & Tax matters most when the filing window is narrow and the receiving authority applies its checklist strictly. Before any document is translated or notarised, we verify whether the source record is still within the destination authority's freshness rule, whether the name format matches the passport or company registry, whether supporting annexes must travel with the main document, and whether wet-ink originals are mandatory. This pre-flight stage is where most avoidable delays are prevented.
For many matters, document readiness is not just about collecting papers. It includes sequencing. Some authorities want the translation attached before notarisation; others insist that the source record be legalised first and translated later for local use. Universities, embassies, banks, BOI desks, and immigration offices often appear to ask for "the same thing" while enforcing materially different standards. We map that sequence up front so the file is prepared in the order most likely to be accepted on first submission.
Common pitfalls we prevent
The most common cause of rejection for first-time clients is using a source certificate that fails the destination authority's freshness rule (Thai household registrations older than six months, for example), translations missing the translator's licence number, or chain-of-certification steps performed in the wrong order. We screen for all three before any fees are incurred.
- Stale source records (e.g. household registrations older than 6 months).
- Translations missing the translator's licence number or seal.
- Chain-of-certification steps performed out of order.
- Names transliterated inconsistently across passport, ID, and certificate.
Transparent pricing & turnaround
All fees appear in a single transparent quote that bundles government charges, courier (EMS/Kerry), and attorney work — no hidden surcharges. Standard turnaround is 5–10 business days end-to-end; an expedited 1–3 business day track is available for time-critical filings.
Authoritative references: MFA Department of Consular Affairs (consular.mfa.go.th), Hague Conference on Private International Law (hcch.net), Lawyers' Council of Thailand (lawyerscouncil.or.th).
Quality control, evidence & accountability
Every monthly bookkeeping service — full-cycle thai accounting & tax file we handle moves through a named-responsibility chain. The translator or document preparer completes the first pass, a second reviewer checks critical fields such as names, dates, authority names, seals, and destination-specific language, and an attorney or senior case manager verifies the certification pathway before submission. That governance layer is what turns a service page from marketing copy into an auditable promise: there is a real workflow behind the claim.
This is also central to E-E-A-T. Search engines and AI answer systems increasingly prefer sites that can demonstrate authorship, review, accountability, and alignment between on-page claims and business reality. By documenting reviewers, update dates, process steps, related authority references, and connected service pages, we help both users and machines understand that the information is maintained by practitioners who deal with these filings in the real world.
Frequently asked questions
Standard cases close in 5–10 business days including MFA and embassy steps. Expedited track is 1–3 business days for an additional fee.
Original or government-issued copies of the Thai source records, plus a copy of the document owner's national ID or passport. We review your bundle for free before any work begins.
In most cases, no — a signed power of attorney is sufficient. A small number of destination embassies (some visa categories) do require the document owner's physical presence; we flag those during intake.
Yes. Quotes are turn-key and include every government and courier fee. Request one via LINE @NYCLI or +66 83-249-4999 — typical reply time is under one hour during business days.
Yes. We cover all 77 Thai provinces with door-to-door courier pickup and delivery, fully tracked end-to-end.
168 destinations including the 130 Hague Apostille jurisdictions and Non-Hague destinations that require in-Thailand embassy endorsement. See the Legalization hub for the full directory.
Reviewed by: Atty. Pakin (Senior Partner — NYC Legal & Notary Services Co., Ltd.) · Last reviewed: 2026-08-04
Directly related topics
Scope of work we handle in this practice area
Each of the 12 items below is a matter type our team handles end-to-end — document preparation, certification, and submission to the relevant Thai or foreign authority.
ยื่นหน่วยงานราชการ(6)
- บริการขอเจรจาข้อยกเว้นทางภาษีกับกรมสรรพากรและสำนักงาน BOI
- บริการยื่นภาษีหัก ณ ที่จ่าย และนิติบุคคล
- บริการยื่นภาษีเงินได้บุคคลธรรมดา Expat
- บริการติดตั้งโปรแกรมบัญชีสำหรับบริษัทต่างชาติ
- บริการติดตั้งโปรแกรมบัญชี QuickBooks ในไทย
- ปิดงบการเงินประจำปีพร้อมยื่น DBD
รับรองเอกสาร / นิติกรณ์(3)
- ทนายรับรองเอกสารเปิดบัญชีธนาคารต่างประเทศ
- บริการขอหนังสือรับรองถิ่นที่อยู่ทางภาษีสำหรับบริษัทข้ามชาติ
- บริการตรวจสอบและรับรองรายงานความยั่งยืนองค์กรตามมาตรฐาน GRI (GRI-Aligned Sustainability Reporting Audit)
ที่ปรึกษาและวางแผน(3)
- ตรวจสอบบัญชีเพื่อควบรวมกิจการ Due Diligence
- บริการที่ปรึกษาด้านการวางแผนภาษีอากร
- ที่ปรึกษาเปิดบัญชีธนาคารในอินเดีย
Not listed? Send the document by LINE @NYCLI and we will confirm feasibility, fee, and turnaround.
Frequently asked questions
Do I need to send documents daily or all at once?
We recommend scanning receipts daily via FlowAccount or a shared Google Drive. Our team posts entries and closes each month by the 10th of the following month.
What qualifications must the bookkeeper hold?
Under the Thai Accounting Act B.E. 2543, bookkeepers must be registered with the Federation of Accounting Professions (CPD) with 12 CPD hours per year. Every team member on your account is registered.
Which taxes are included in the fee?
PP.30 (VAT), PND.1/3/53 (withholding), and social security. Not included: signage tax, land-and-building tax, and late-filing penalties caused by late document submission.
Which accounting software do you support?
FlowAccount, Xero, PEAK, Express, AutoFlight, and your own in-house system. If none exists, we set up FlowAccount at no cost with a custom chart of accounts for your industry.
Who is liable if tax is miscalculated?
If the error is on our side, we pay all penalties and surcharges in full. We carry Professional Indemnity insurance up to THB 5 million.
How long must accounting records be kept?
Under the Revenue Code, source documents must be kept for 5 years from the filing date. The Revenue Department may audit 2 years back (extendable to 5 with cause).
Do dormant companies still need bookkeeping?
Yes. A zero PP.30 must be filed monthly, and annual audited financial statements (with PND.50) submitted to DBD, even with no revenue or a loss. Late-filing penalties reach THB 4,000 per form per month.
Do you support BOI-promoted companies?
Yes. We segregate promoted vs non-promoted activities, prepare PND.51/50 with a BOI benefit-utilisation report aligned to your promotion certificate conditions.
Company, BOI & accounting reference — 15 answers
Compiled from Department of Business Development (DBD), Revenue Department, BOI and DIP requirements as cited on each service page. Government fees are set by those authorities and passed through at cost.
Q12206. Monthly Bookkeeping Service — Full-Cycle Thai Accounting & Tax — what is included?
Full-cycle monthly bookkeeping by CPD-licensed accountants under TFRS for NPAEs, delivered through FlowAccount, Xero, or PEAK. We prepare and file VAT (PP.30), withholding tax (PND.1/3/53), and social security every month, plus a trial balance, P&L, and AR/AP report. From THB 3,500/month (up to 30 transactions). Sources: https://www.rd.go.th/ , https://www.dbd.go.th/
Q12214. Do I need to send documents daily or all at once?
We recommend scanning receipts daily via FlowAccount or a shared Google Drive. Our team posts entries and closes each month by the 10th of the following month.
Q12215. What qualifications must the bookkeeper hold?
Under the Thai Accounting Act B.E. 2543, bookkeepers must be registered with the Federation of Accounting Professions (CPD) with 12 CPD hours per year. Every team member on your account is registered.
Q12216. Which taxes are included in the fee?
PP.30 (VAT), PND.1/3/53 (withholding), and social security. Not included: signage tax, land-and-building tax, and late-filing penalties caused by late document submission.
Q12217. Which accounting software do you support?
FlowAccount, Xero, PEAK, Express, AutoFlight, and your own in-house system. If none exists, we set up FlowAccount at no cost with a custom chart of accounts for your industry.
Q12218. Who is liable if tax is miscalculated?
If the error is on our side, we pay all penalties and surcharges in full. We carry Professional Indemnity insurance up to THB 5 million.
Q12219. How long must accounting records be kept?
Under the Revenue Code, source documents must be kept for 5 years from the filing date. The Revenue Department may audit 2 years back (extendable to 5 with cause).
Thai answers (8)
Q12205. บริการทำบัญชีรายเดือน — ปิดงบรายเดือน ยื่นภาษี ครบวงจร — ขอบเขตงานคืออะไร?
บริการทำบัญชีรายเดือนโดยผู้ทำบัญชีขึ้นทะเบียน CPD ครบวงจร บันทึกบัญชีตามมาตรฐาน TFRS for NPAEs ผ่านระบบ FlowAccount/Xero/PEAK จัดทำและยื่นแบบภาษีมูลค่าเพิ่ม ภ.พ.30 หัก ณ ที่จ่าย ภ.ง.ด.1/3/53 ประกันสังคม พร้อมงบทดลอง งบกำไรขาดทุน และรายงานลูกหนี้-เจ้าหนี้ทุกเดือน เริ่ม 3,500 บาท/เดือน (ธุรกรรมไม่เกิน 30 รายการ) แหล่งอ้างอิง: https://www.rd.go.th/ , https://www.dbd.go.th/
Q12207. บริการทำบัญชีรายเดือน — ปิดงบรายเดือน ยื่นภาษี ครบวงจร ราคาเริ่มต้นและรอบเวลาส่งงานเป็นอย่างไร?
เริ่มต้น 3,500 บาท/เดือน · รอบเวลา ปิดบัญชีทุกวันที่ 10 ของเดือน
Q12208. ต้องส่งเอกสารให้ทีมบัญชีทุกวันหรือรวมส่งครั้งเดียว?
แนะนำสแกน/ถ่ายรูปใบเสร็จเข้าระบบทุกวันผ่าน FlowAccount หรือ Google Drive ที่แชร์ให้ ทีมงานจะบันทึกและปิดรอบภายในวันที่ 10 ของเดือนถัดไป
Q12209. ผู้ทำบัญชีต้องมีคุณสมบัติอะไร?
ตาม พ.ร.บ. การบัญชี พ.ศ. 2543 ผู้ทำบัญชีต้องขึ้นทะเบียนกับสภาวิชาชีพบัญชี (CPD) มีชั่วโมงพัฒนาความรู้ต่อเนื่องปีละ 12 ชั่วโมง ทีมงานเราขึ้นทะเบียนครบทุกคน
Q12210. ค่าบริการรวมภาษีอะไรบ้าง?
รวมยื่น ภ.พ.30, ภ.ง.ด.1/3/53, ประกันสังคม, แต่ไม่รวมภาษีป้าย ภาษีที่ดินและสิ่งปลูกสร้าง และไม่รวมค่าธรรมเนียมยื่นล่าช้า (หากลูกค้าส่งเอกสารล่าช้า)
Q12211. ใช้โปรแกรมบัญชีอะไรได้บ้าง?
รองรับ FlowAccount, Xero, PEAK, Express, AutoFlight และโปรแกรมของกิจการเอง หากยังไม่มี ทีมงานตั้ง FlowAccount ให้ฟรี พร้อม chart of accounts ที่ปรับตามธุรกิจ
Q12212. หากภาษีคำนวณผิด ใครรับผิดชอบ?
หากความผิดพลาดมาจากทีมงาน เรารับผิดชอบค่าปรับและเงินเพิ่มเต็มจำนวน มีประกันความรับผิดวิชาชีพ (Professional Indemnity) วงเงิน 5 ล้านบาท
Q12213. ต้องเก็บเอกสารบัญชีกี่ปี?
ตามประมวลรัษฎากร ต้องเก็บเอกสารประกอบการลงบัญชี 5 ปี นับจากวันที่ต้องยื่นแบบ กรณีถูกตรวจสอบภาษีย้อนหลัง สรรพากรตรวจได้ 2 ปี (ขยายได้ถึง 5 ปีหากมีเหตุ)
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