BIR compliance

Plain-language guides to BIR compliance for Philippine small businesses: registration, books of accounts, the returns you file, and the deadlines you plan around.

Pillar guide

BIR Compliance Guide for Small Businesses in the Philippines

BIR compliance isn't a stack of unrelated forms — it's one system that runs from registration to year-end. Here's the whole lifecycle, in order, and how your books hold it together.

10 min readRead

DAT filesPillar guide

BIR DAT File Guide for the Philippines

DAT files are how the BIR ingests your summaries — SLSP, SAWT, QAP, alphalist. Here's what they are, how validation and submission work, the errors that bite, and why clean books make all of them fall out at once.

9 min readRead

VATPillar guide

VAT Filing Guide for Philippine Businesses

VAT filing isn't really about the form — it's about records that reconcile. Here's the end-to-end flow from output and input VAT through the 2550Q and SLSP, records first.

9 min readRead

WithholdingPillar guide

Withholding Tax Guide in the Philippines

If you pay suppliers, rent, or professional fees, you probably have to withhold. Here's what withholding tax is, the kinds you'll meet, the certificates and support files, and how it all reconciles to your books.

10 min readRead

BIR Tax Calendar for Philippine Businesses: How to Plan Your Filings

The BIR calendar isn't one deadline — it's layers of monthly, quarterly, and annual obligations. Here's how it's structured and how to build your own, with the actual dates from the BIR.

10 min readRead

DAT files

BIR XML Filing Guide for Philippine Workflows

XML is how the BIR receives your e-filed returns, while DAT files carry the summaries. Here's what XML filing is, how it's produced and validated, and why one set of books should feed every output.

9 min readRead

Registration

Business Registration Workflow in the Philippines (DTI/SEC, BIR, SSS, PhilHealth, Pag-IBIG)

Registering a business in the Philippines is a sequence, not a single counter. Here's the order — name, BIR, then employer agencies — and exactly what each step produces.

10 min readRead

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