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OpenAccountants/Skills/Brunei Darussalam Tax

Brunei Darussalam Tax

How to compute Brunei Darussalam Tax for Brunei, tax year 2025: rates, thresholds, and step-by-step rules with primary-source citations.

BruneiTax year 2025· Last reviewed Apr 13, 2026

Key facts — Brunei, 2025

FieldValue
CountryBrunei Darussalam
VAT/GSTNONE — Brunei does NOT have a VAT, GST, or any consumption tax
Personal income taxNONE
Corporate income tax18.5% on chargeable income
Return formCorporate income tax return (annual)
Filing portalMOFE Revenue Division
AuthorityRevenue Division, Ministry of Finance and Economy (MOFE)
CurrencyBND (Brunei Dollar, pegged 1:1 to SGD)
Filing frequencyAnnual (corporate tax only)
DeadlineWithin 6 months of financial year-end
Companion skillvat-workflow-base v0.1 or later — MUST be loaded
Validated byPending local practitioner validation

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About

Use this skill whenever asked about Brunei Darussalam tax obligations. Trigger on phrases like "Brunei tax", "Brunei VAT", "Brunei GST", "corporate tax Brunei", "MOFE filing". Brunei has NO VAT/GST and NO personal income tax. This skill covers corporate income tax at 18.5% and clarifies the absence of consumption tax. MUST be loaded alongside vat-workflow-base v0.1 or later. ALWAYS read this skill before touching any Brunei tax work.

BruneiTax year 2025

Full guide

Brunei Darussalam Tax Skill v2.0

Section 1 — Quick reference

FieldValue
CountryBrunei Darussalam
VAT/GSTNONE — Brunei does NOT have a VAT, GST, or any consumption tax
Personal income taxNONE
Corporate income tax18.5% on chargeable income
Return formCorporate income tax return (annual)
Filing portalMOFE Revenue Division
AuthorityRevenue Division, Ministry of Finance and Economy (MOFE)
CurrencyBND (Brunei Dollar, pegged 1:1 to SGD)
Filing frequencyAnnual (corporate tax only)
DeadlineWithin 6 months of financial year-end
Companion skillvat-workflow-base v0.1 or later — MUST be loaded
Validated byPending local practitioner validation

CRITICAL: Brunei has NO consumption tax. There is no VAT return to prepare. This skill exists to prevent misclassification and to provide the corporate tax framework.

Conservative defaults:

AmbiguityDefault
Unknown tax obligationNo consumption tax; corporate tax only if company
Unknown withholding taxCheck if payment to non-resident triggers WHT

Section 2 — Required inputs and refusal catalogue

Required inputs

Minimum viable — financial statements for the year. Bank statements from: BIBD (Bank Islam Brunei Darussalam), Baiduri Bank, Standard Chartered Brunei, HSBC Brunei.

Brunei-specific refusal catalogue

R-BN-1 — Petroleum sector. Trigger: client in oil/gas under Petroleum Income Tax Act. Message: "Petroleum companies are taxed under a separate regime (55% + 20% on profits). Please escalate."

R-BN-2 — VAT/GST return request. Trigger: user asks for VAT/GST return preparation. Message: "Brunei does NOT have a VAT/GST or any consumption tax. No consumption tax return exists. If you need corporate income tax assistance, this skill can help."


Section 3 — Supplier pattern library

3.1 Brunei banks

PatternTreatmentNotes
BIBD, BANK ISLAM BRUNEIBank charges are a deductible expenseNo VAT component
BAIDURI, BAIDURI BANKSameSame
STANDARD CHARTERED BN, HSBC BNSameSame
INTERESTInterest expense — deductible if for businessNo VAT

3.2 Government (exclude from expense claims where non-deductible)

PatternTreatmentNotes
MOFE, REVENUE DIVISIONTax payment — not deductibleCorporate tax
TAP, EMPLOYEE TRUST FUNDPension — deductibleTabung Amanah Pekerja

3.3 Utilities

PatternTreatmentNotes
DES, DEPT OF ELECTRICAL SERVICESDeductible expenseNo consumption tax
DST, PROGRESIF, IMAGINEDeductible expenseTelecoms

3.4 SaaS and international services

PatternTreatmentNotes
GOOGLE, MICROSOFT, META, AWSDeductible expense; check WHT on non-resident servicesNo consumption tax; WHT may apply
ZOOM, SLACK, CANVASameSame

3.5 Payroll

PatternTreatmentNotes
SALARY, WAGESDeductible expenseNo income tax on employees
TAP CONTRIBUTIONDeductibleMandatory employee savings

Section 4 — Worked examples

Example 1 — No consumption tax applies

Input line: 05.04.2026 ; LOCAL CLIENT ; CREDIT ; Consulting fee ; BND 10,000

Reasoning: Brunei has no VAT/GST. This is revenue for corporate tax purposes. No consumption tax to charge or report.

DateCounterpartyGrossNetTaxRateReturn fieldNotes
05.04.2026LOCAL CLIENT+10,000+10,0000N/ARevenueNo consumption tax

Example 2 — Purchase from overseas vendor

Input line: 18.04.2026 ; AWS ; DEBIT ; Cloud hosting ; BND -500

Reasoning: No VAT/GST to self-assess. Check if withholding tax applies on payment to non-resident (typically 10% on management/technical fees, 15% on royalties).

DateCounterpartyGrossNetTaxRateReturn fieldNotes
18.04.2026AWS-500-5000N/AExpenseCheck WHT

Section 5 — Tier 1 classification rules (compressed)

5.1 No consumption tax — Brunei has no VAT, GST, sales tax, or service tax.

5.2 Corporate income tax — 18.5% on chargeable income for companies.

5.3 No personal income tax — Individuals not taxed on income.

5.4 Withholding tax — 10% on management/technical fees to non-residents; 15% on royalties; other rates per treaty.

5.5 Stamp duty — Applies to certain documents (property transfers, share transfers).

5.6 Customs duty — Applies on imports (separate from any consumption tax, which does not exist).


Section 6 — Tier 2 catalogue (compressed)

6.1 WHT on non-resident payments — Default: flag. Question: "Is this a management/technical fee or royalty to a non-resident?"

6.2 Petroleum operations — Default: refuse (R-BN-1).

6.3 Tax treaty benefits — Default: flag. Question: "Does Brunei have a DTA with the recipient's country?"


Section 7 — Excel working paper template

Per vat-workflow-base Section 3, adapted for corporate tax: Revenue, Deductible expenses, Non-deductible expenses, Chargeable income, Tax at 18.5%.


Section 8 — Bank statement reading guide

BIBD and Baiduri exports CSV/PDF. BND primary (pegged to SGD). Malay language descriptions common. Internal transfers: exclude. No VAT extraction needed — all amounts are gross.


Section 9 — Onboarding fallback

9.1 Entity type — "Company, sole proprietor, or partnership?" (Only companies pay corporate tax.)

9.2 Financial year — "What is your financial year-end?"

9.3 Petroleum sector — "Are you in oil and gas?" (If yes, R-BN-1 fires.)

9.4 Non-resident payments — "Do you pay management fees or royalties to non-residents?"


Section 10 — Reference material

Sources

  1. Income Tax Act (Chapter 35). 2. Companies Income Tax Act (Chapter 97). 3. Petroleum Income Tax Act. 4. MOFE Revenue Division guidelines.

Known gaps

  1. Petroleum sector refused. 2. No consumption tax means most of the vat-workflow-base structure is inapplicable.

Change log

  • v2.0 (April 2026): Full rewrite to Malta v2.0 ten-section structure. Emphasis on absence of VAT/GST.

Disclaimer

This skill and its outputs are provided for informational and computational purposes only and do not constitute tax, legal, or financial advice. All outputs must be reviewed by a qualified professional before filing.

The most up-to-date version is maintained at openaccountants.com.


Disclaimer

This skill and its outputs are provided for informational and computational purposes only and do not constitute tax, legal, or financial advice. Open Accountants and its contributors accept no liability for any errors, omissions, or outcomes arising from the use of this skill. All outputs must be reviewed and signed off by a qualified professional (such as a CPA, EA, tax attorney, or equivalent licensed practitioner in your jurisdiction) before filing or acting upon.

The most up-to-date, verified version of this skill is maintained at openaccountants.com. Log in to access the latest version, request a professional review from a licensed accountant, and track updates as tax law changes.

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