Close quality control
Our team stays closely involved in quality control at every step to understand each client business properly.
Modern Accounting Firm
Accounting support that grows with your business in Thailand
End-to-end support from company registration to bookkeeping, tax and year-end closing for SMEs, startups and foreign-owned companies in Thailand — with close communication and a structured process.
Close support
Easy communication
Timely workflow
Confidential data handling
Accounting Dashboard
Monthly Work Status
Registered bookkeepersOnline tax filingTransparent & auditableForeign-owned ready
Our Mission
We help every business operate the right way
Whether you are just starting or already running, we keep your accounting and tax accurate, transparent and compliant — reducing risk and building the credibility your business needs to grow.
Fully compliant
Get into the tax system correctly and reduce the risk of back-assessments.
Transparent & credible
Clear financial statements, ready for loan or investor conversations.
Always auditable
Complete, organized documents you can review at any time.
10+
Years in accounting & tax
100%
On-time tax filing
3
Fluent in Thai, English & Chinese
Our Strengths
Close enough to understand you and ready to grow with you
Attentive to every task
We give each client focused attention so quality, accuracy and responsiveness stay consistently high.
Technology-enabled tracking
We use systems to manage documents, deadlines and work status to reduce missed follow-ups.
Built to grow with you
We continuously develop our team and systems to support your growth while keeping our close service standards.
Services
Accounting and Tax Services
Accounting, tax and document workflow services for SMEs and growing businesses in Thailand.
Company Registration
End-to-end company setup and registration, from day one to a business that is ready to operate.
Learn moreMonthly Bookkeeping
Monthly accounting records, bookkeeping and preparation of information for financial statements.
Learn moreTax Filing
Monthly and annual tax filing support, including related deadlines.
Learn moreFinancial Statement Preparation
Preparation and coordination for annual financial statement work.
Learn moreAccounting System Setup
Document workflow setup for income, expenses, tax invoices and related accounting records.
Learn morePayroll & Social Security
Payroll and Social Security document support handled in a clear, structured way.
Learn moreWhy PCM-W
Why small and growing businesses choose PCM-W Accounting
We build a team that supports each client with genuine care, clear communication and consistent quality at every step.
Close, hands-on quality control
Direct access to the person handling your work
Practical support for SMEs and startups
Technology that reduces repetitive work
A service model designed to grow with your business
Process
How We Work
01
Understand your business
We review your business type, document volume, current tools and support needs.
02
Set document workflows
We agree on document submission channels and monthly working timelines.
03
Handle accounting and tax work
We review documents, record transactions, prepare tax filings and track required actions.
04
Summarize and follow up
We share work status, next actions and points business owners should know.
What You Get
What Clients Receive
Monthly document deadline reminders
Document submission checklist
Accounting and tax work summaries
Clear communication channel
Structured work tracking
Appropriate and confidential data handling
Testimonials
What our clients say
SME
“Fast to respond and great at explaining tax in plain language — we plan with far more confidence now.”
Online Store Owner
E-commerce business
Startup
“We had just registered our company and the team set up our document workflow from day one.”
Startup Founder
Newly established company
International
“Clear communication in English made it easy to manage our Thai accounting from abroad.”
Operations Manager
Foreign-owned company
International
Doing Business in Thailand?
We help foreign entrepreneurs and companies manage accounting, tax, payroll and business documents in Thailand with clear communication and practical support.
Talk to Our Accounting TeamMonthly accounting and bookkeeping
VAT and withholding tax filing
Payroll and Social Security
Financial statement coordination
Document requirements guidance
Accounting support for newly established companies
About
PCM-W Accounting
A modern accounting firm for growing businesses
PCM-W Accounting was founded on the belief that small businesses should have accessible accounting support and close communication.
We stay closely involved in core work and quality control at every step to understand each client business properly.
We continuously develop our team and operating systems so our service grows alongside our clients without compromising quality.
Read About UsFAQ
Frequently Asked Questions
What documents do I need to prepare?
Typical documents include income records, expense documents, tax invoices, bank statements and supporting transaction documents. We provide a checklist based on your business.
Who is this service suitable for?
The service is suitable for SMEs, newly established companies, startups, service businesses and foreign-owned companies operating in Thailand.
How do we start?
We begin with an initial consultation to understand your business type, document volume and suitable service scope.
Can newly established companies use the service?
Yes. We can help set up basic accounting document workflows from the early stage of your company.
Can documents be submitted online?
Yes. We support digital document submission through agreed channels such as Email, LINE or shared document folders.
Can I ask accounting or tax questions during the month?
Yes, within the agreed service scope and communication channel. We focus on clear and practical explanations.
Get Started
Start building a better accounting workflow today
Book an initial conversation so we can understand your business, work volume and suitable service model.