Taxes filed on time. Numbers you can rely on. Direct access to a CPA.
You focus on the business. We keep your accounting, tax and financial statements accurate and up to standard, ready whenever a bank, an investor or the Revenue Department asks to see them. Our team is led by Certified Public Accountants with Big 4 audit experience.
- Certified Public AccountantsFinancial statements signed by Grinner CPAs
- 5+ years of Big 4 experienceAudit careers at Big 4 firms
- Registered bookkeepersWith the Federation of Accounting Professions
- Standards-based reportingTFRS for PAEs and TFRS for NPAEs
Accounting, tax and audit services
A CPA oversees accounting and tax work every month. For audits, the engagement is signed by an auditor who does not keep that company's books, to stay independent under professional standards.
Request a quote- 01by MTA Accounting & bookkeeping Monthly bookkeeping, tax filing, payroll and annual financial statements. Monthly bookkeeping and financial statements under TFRS for NPAEs / PAEsPND 1/3/53, PP 30 and PND 50/51 filed on timePayroll and social security filings (SPS 1-10)Online accounting system with real-time access See service details
- 02 Statutory audit Audit opinions on financial statements under Thai Standards on Auditing, plus agreed-upon procedures. Annual financial statement audits under Thai Standards on AuditingReviews of interim financial statementsAgreed-upon procedures (AUP)Signed by a Certified Public Accountant See service details
- 03by MTA Company registration Registering limited companies and partnerships, with your accounting set up from day one. Name reservation and registration with the DBDMemorandum of association and articles of associationTaxpayer identification numberCertificate of registration delivered, with accounting set up from day one See service details
- 04by MTA Business registration VAT registration, social security registration and changes to company details. Value added tax (VAT) registrationEmployer registration with the Social Security OfficeChanges of address, directors, objectives or registered capitalBusiness-specific licences See service details
- 05 Advisory Tax planning, accounting systems and internal controls sized to your business. Tax planning that stays within the lawAccounting system and document designInternal control designBusiness risk assessment and management See service details
- 06 Pre-IPO Getting financial statements, accounting systems and internal controls ready before a listing. Review of historical financial statements and accounting policiesAlignment with Thai Financial Reporting Standards (TFRS)Internal control designInformation prepared for auditors and financial advisers See service details
Partners
We work with accounting software providers, law firms, and accounting and audit firms.
Talk directly to the auditor who signs your financial statements
Both of our directors are Certified Public Accountants, with audit careers at Big 4 firms and finance roles in large organisations.
Nuttapon Phusadeekunpaisan
ณัฏฐพล ผุสดีกุลไพศาล
President
Nicharee Chaiyadecha
ณิชารีย์ ไชยะเดชะ
Managing Director
Speakers and trainers
Our CPAs speak at seminars and teach finance courses for business owners.
The Grinner group
More about us
Grinner Accounting Co., Ltd.
Statutory audits by Certified Public Accountants, and advisory work

The MTA Co., Ltd.
Bookkeeping, tax filing and business registration
For accounting firms and independent bookkeepers
If your clients need a Certified Public Accountant or agreed-upon procedures (AUP), we would be glad to work with you as a partner.
Request a quote or talk to a CPA
Email us or send a message on Facebook. Tell us where your business stands and a CPA will suggest where to start.
Request a quote / talk to a CPA
Email us or send a message on Facebook. Tell us your type of business, roughly how many documents you have each month and your financial year-end. A CPA will confirm the scope of work and the fee in a written quotation before any work begins.
Email [email protected]



