Clear numbers,Clear books,
clear business
An accounting firm for SMEs that want accuracy in the day-to-day and a view they can act on tomorrow.
Free consultAdd LINE @exacc and chat right away
An accounting firm for SMEs that want accuracy in the day-to-day and a view they can act on tomorrow.
Free consultAdd LINE @exacc and chat right away
An accounting firm for SMEs that want accuracy in the day-to-day and a view they can act on tomorrow.
This month's documents
42 bills received
All reviewed by our team
Tax calendar
VAT (P.P.30) due in 5 days
Return prepared
Performance summary
Gross margin 32%
Review call scheduled
Withholding tax
P.N.D.53 filed
Receipts saved to your folder
September books
Month closed
Report sent to LINE
This month's documents
42 bills received
All reviewed by our team
Tax calendar
VAT (P.P.30) due in 5 days
Return prepared
Performance summary
Gross margin 32%
Review call scheduled
Withholding tax
P.N.D.53 filed
Receipts saved to your folder
September books
Month closed
Report sent to LINE
Services
Core services for business owners who want an accounting firm as a partner in the day-to-day and in growth.

We keep your books every month and organize your financial data so it's ready for tax filing and for decisions.

We prepare and file the tax returns your business is responsible for — on time and consistent with the data you provide.

We answer your questions and show what the numbers mean for your business, so you decide based on real data.
How we work
We design our work so your data doesn't stop at the tax filing — it comes back as something owners can track and plan with.
01
We help set up how documents and data come in, so the accounting work can flow systematically.
02
We keep the books, file tax returns, and review the details against the data your business provides.
03
We explain the accounting picture so owners understand it and can use it for their next decisions.
Principles
Our accountants review the details at every step — the system never decides for us.
AI and digital tools help manage work and check data, so our team has time for what needs judgment.
The work doesn't end at filing — it comes back as information owners can track and plan with.
Pricing
From · For SMEs
3,000THB/month
Year-end close included, no annual extras
PERPOS Books app included freeMax plan, worth 690 THB/monthDeadline guarantee
If we miss a filing deadline through our fault, we cover the penalties and surcharges, per the service agreement.
Prices exclude 7% VAT · Starting price for SMEs; your actual price, based on workload, is confirmed in a quotation before we start.
Audit fees are paid directly to the licensed auditor (based on company size) — we can refer a partner.
FAQ
Our core services are monthly bookkeeping, preparing and filing the tax returns your business is responsible for, and accounting advisory. We agree on the scope for each business before we start.
Snap a bill or send a file to your business's LINE group through PERPOS Books as soon as you receive it. Our team reviews it and lets you know if anything else is needed.
No. AI helps with repetitive tasks and initial data checks, but our accountants review the details and are responsible for the work at every step.
PERPOS Books is an accounting system designed specifically for accounting firms. exaccounting uses it as our main working tool. Clients of our bookkeeping service use Books free of charge — no separate purchase — so you see the same numbers as your accountant and can send bills through the app.
Yes. We start by talking through your business and any outstanding work, then plan how to take over the data and documents so nothing stalls.
Press "Free consultation" to add LINE @exacc and tell us about your business right away. Our assistant asks a few basics, then hands you to an accountant. Or email [email protected].
Ask next
Articles
The questions owners ask most, explained simply and practically.
Contact us
Start by telling us about your business — share an overview of where things stand, and we'll set up a time to talk next.
Send this form
Our team reads your overview
We set up a time to talk
Talk to our accounting team, share an overview of your business, and we'll propose a scope that fits.