Corporate Tax in Gibraltar: Charge & Compliance

Corporate Tax in Gibraltar: An Introduction to Corporation Tax on the RockCopy link to section

Corporate tax in Gibraltar, known locally as Corporation Tax, is levied on company profits under a territorial system at a standard rate of 15%. The charge is governed by the Income Tax Act 2010, and it reaches only income that accrues in or is derived from the territory, which makes the jurisdiction a low-tax rather than a no-tax option for foreign owners. You can confirm the framework directly through the Income Tax Office.

This article explains how the charge is built, what falls inside and outside it, how returns and payments work, and what recent global minimum tax rules mean for larger groups. It is written for non-resident owners, investors, and their advisers weighing incorporation or maintaining a company on the Rock.

A point of context matters at the outset. The territory taxes income only; there is no capital gains tax, no wealth or inheritance tax, no sales tax, and no Value Added Tax. Companies face essentially two charges of substance: Corporation Tax and social insurance contributions, the former being the subject here.

Legal Basis and the 15% Standard Rate of Gibraltar Corporation TaxCopy link to section

The assessment and collection of company tax rests on the Income Tax Act 2010, which came into force on 1 January 2011. Its central provision charges tax for each year of assessment on income accruing in or derived from the jurisdiction.

The standard rate has moved upward over the past several years. It stood at 10%, rose to 12.5% effective 1 August 2021, and reached 15% effective 1 July 2024.

The most recent increase was made to align the domestic rate with the OECD global minimum tax standard. Where a company's financial year straddles 30 June 2024, the 15% rate applies only to the months falling on or after 1 July 2024, with the earlier rate applying to the balance.

The late-filing penalty regime was overhauled by the Income Tax (Amendment No. 3) Act 2024, which took effect on 1 January 2025. The practical changes to penalties are set out later in this article.

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The Territorial Basis of Taxation: How "Accrued In or Derived From" Defines the ChargeCopy link to section

Liability turns on where income arises, not on where a company is registered or considered resident. Profits and gains from any trade, business, profession, or vocation are charged only to the extent they accrue in or are derived from the territory.

The deciding factor is the location of the activities that generate the profit. If your firm earns its income from clients, operations, and value creation that take place elsewhere, that income generally sits outside the charge.

Two categories carry a statutory presumption that overrides ordinary sourcing. A licensable activity under local law produces profits deemed to arise in the jurisdiction, and the same applies to a business licensed in another jurisdiction that passports rights into the territory where a local licence would otherwise be required.

Certain passive streams are also pulled into the charge. Royalty income and inter-company interest income are deemed to accrue in and derive from the jurisdiction where the recipient is a locally registered company, an important point for any holding or financing structure.

Beyond these defined exceptions, foreign income is not normally taxed. A non-resident owner planning genuine offshore trading activity should map carefully where the income-producing work is performed, because that is what determines the charge.

Calculating the Tax Base: From Accounting Profit to Assessable IncomeCopy link to section

The year of assessment runs from 1 July to 30 June, and tax is charged on the actual income for that period. A company's taxable period follows its accounting period, beginning on the later of the period start or first receipt of taxable income, and ending at the period close, twelve months from its start, or when trade ceases, whichever comes first.

Aggregate income other than non-chargeable income forms the "assessable income" on which Corporation Tax is computed. Profits are taxed on an accruals basis, and the computation generally follows UK or EU accounting principles depending on the transaction.

Several items fall outside the base entirely. The territory does not tax capital gains, so for most trading and holding activity, gains on the disposal of investments, real estate, or business assets are not charged.

Two reliefs are worth flagging for foreign-owned structures:

• Dividends received by a local company from any other company carry no charge to tax.
• Interest from an inter-company loan is exempt where it is below GBP 100,000 per annum; above that figure the income falls into charge.

One change tightens the position on property. From 1 January 2025, profits from selling property become taxable where a person owns or holds, directly or indirectly through a property-holding entity, five or more taxable properties, or reaches that total across five consecutive tax periods.

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Capital Allowances, Deductions and Loss ReliefCopy link to section

Expenses are deductible where they are incurred wholly and exclusively for the purposes of the trade. The Income Tax Act 2010 sets the boundaries: no relief is given for the tax itself, private or domestic expenditure, costs not incurred for income generation, or capital expenditure other than through capital allowances. Amortisation of goodwill is also non-deductible.

Capital allowances replace accounting depreciation. The headline figures are set out below.

Loss relief is one-directional. Losses may be carried forward to set against future taxable profits, but carry-back is not allowed.

There is no group relief and no fiscal consolidation. Each company in a group is taxed individually on its own assessable profits, so a loss in one entity cannot shelter profit in another. A change of control can also strip carried-forward losses where it coincides with a major change in the nature and conduct of the business.

Two further deductions reward specific spending. Qualifying training costs attract an additional 50% deduction, and the cost of solar or wind energy installations qualifies for relief of up to GBP 6,000 over two years.

Higher-Rate Companies: Utilities, Energy, Fuel, Telecommunications and Dominant-Position BusinessesCopy link to section

A small set of businesses sits outside the 15% standard rate. Utility providers supplying electricity, fuel, and water, together with companies abusing a dominant market position, are charged at 20%.

Telecommunications providers are treated on a split basis. They pay 20% on income from telecommunications services and the standard 15% on all other taxable income.

Higher-rate companies receive a correspondingly higher capital allowance of 20% on plant and machinery on a reducing-balance basis. For most foreign-owned trading and holding companies, none of this applies, and the 15% rate governs throughout.

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Filing, Payments on Account and Compliance DeadlinesCopy link to section

The system runs on self-assessment. A company must file a full and complete return within nine months after the end of the month in which its accounting period closes, and payment of the tax due falls on the same deadline.

Tax is collected partly in advance through Payments on Account, governed by Schedule 10 of the Income Tax Act 2010. These advance payments are based on the prior year's liability and fall due in two equal instalments.

The key dates run as follows:

1. First Payment on Account: by 28 February.
2. Second Payment on Account: by 30 September.
3. Balancing payment, where profits exceed the two instalments: within nine months after the accounting period ends.

If you expect the current year's liability to be lower than the previous year's, you may apply to reduce the advance payments using Form CT4. A company with no assessable income still has to file a return.

After filing, the Income Tax Office may open an enquiry within twelve months of the return's due date, or twelve months from the filing date if the return was late. You may appeal a disputed assessment by written notice to the Commissioner within 28 days of service of the notice. The Commissioner retains up to six years to revise an incorrect assessment, with no time limit where fraud, wilful default, or neglect is involved. The PwC summary of tax administration gives a useful procedural overview.

Penalties and Surcharges for Late Filing and Non-PaymentCopy link to section

Late filing triggers an escalating penalty. A return missed by the due date attracts GBP 50, rising to a further GBP 300 if still outstanding three months after the due date, and GBP 500 if not filed within six months.

From 1 January 2025, these penalties are tiered by company size, measured by reference to Schedule 9 of the Companies Act 2014. Before that date, a flat GBP 50 penalty applied to every company.

Non-payment carries separate surcharges that compound. A 10% surcharge on the outstanding balance is imposed nine months after the financial year-end, and a further 20% surcharge on the combined balance of tax plus the first surcharge applies 90 days later.

A surcharge can also arise where a company reduced its Payments on Account through a CT4 claim but its actual liability exceeded the reduced figure. Two further consequences are worth keeping in view:

• The Commissioner may publish in the Gibraltar Gazette the name of any person who has failed to pay tax of at least GBP 5,000 for three months or more, after 30 days' notice.
• Late filing of accounts with Companies House carries an initial penalty of GBP 175 where accounts are not filed within 13 months of the financial year-end.

Treatment of Foreign-Owned Companies, Intangibles and CFC RulesCopy link to section

A branch of a non-local corporation is taxed the same way as a local subsidiary. Both are charged only on assessable income accruing in or derived from the territory, so foreign ownership in itself does not change the basis of charge.

Outbound payments are favourable. There is no withholding tax on dividends, interest, or royalties paid out of the jurisdiction, which simplifies repatriation for a foreign parent.

Intangibles receive no special treatment. There is no patent box or IP box regime, and royalty income received by a local company is taxed at the standard 15% rate under the general provisions.

Controlled foreign company rules contain meaningful exclusions. An entity or permanent establishment is not treated as a CFC where its accounting profits are no more than EUR 750,000 and non-trading income is no more than EUR 75,000, or where accounting profits are no more than 10% of operating costs. Where a CFC charge does apply, the Commissioner allows a deduction for tax paid in the entity's state of residence.

Anti-avoidance has tightened in two respects. An exit tax of 15% applies, effective from 1 January 2020, to the difference between market value and tax value of assets moved out of the taxing jurisdiction in specified circumstances, and a revised General Anti-Avoidance Rule took effect on 11 July 2025, targeting arrangements primarily aimed at a tax advantage that defeats the intent of the legislation. Transfer pricing has also become a stated priority for the tax authorities.

Relief from double taxation is available in two forms. The jurisdiction has Double Tax Agreements with the United Kingdom and Spain, and residents with income already taxed abroad may claim unilateral relief equal to the lesser of the foreign tax paid or the local tax on that income.

Corporation Tax Incentives and Reliefs for BusinessCopy link to section

Newly formed companies are the main beneficiaries of targeted relief. Startup incentive schemes allow meaningful savings across the first three financial years of operation, and a new business may claim 100% first-year capital allowances on qualifying expenditure, subject to conditions.

Several deductions reward specific activity rather than business type:

• An additional 50% deduction for qualifying training costs.
• Relief of up to GBP 6,000 over two years for solar or wind energy installations.
• Deductions for renewable energy and energy-efficient improvements more broadly.

For holding structures, the dividend treatment is the practical attraction. Dividends from another local company are generally exempt, and dividends from a non-resident company are exempt where they have already been taxed in the source jurisdiction at a rate of at least 15%. Combined with the absence of capital gains tax and no withholding on outbound flows, this supports the use of a local company as a holding vehicle.

The OECD Global Minimum Tax (Pillar Two) and Gibraltar's Top-Up Tax RegimeCopy link to section

Large multinational groups face a separate layer of rules. The Global Minimum Tax Act 2024 was enacted on 23 December 2024 and introduces a Domestic Minimum Top-Up Tax aligned with the OECD GloBE Model Rules, setting a 15% minimum rate for top-up purposes. The EY tax alert sets out the enacted measures in detail.

The regime captures groups meeting the consolidated revenue threshold of EUR 750 million in at least two of the previous four years. This includes locally headed groups, foreign-headed groups with local constituent entities, and qualifying wholly-domestic groups. Companies below this scale are unaffected and continue under the ordinary 15% Corporation Tax charge.

Two rules apply on staggered timelines:

• The Domestic Minimum Top-Up Tax (QDMTT) applies to fiscal years beginning on or after 31 December 2023.
• The Income Inclusion Rule (IIR) applies to fiscal years beginning on or after 31 December 2024.

The Act deliberately omits the Under-Taxed Profits Rule. Because the standard Corporation Tax rate already stands at 15%, a simplification election lets in-scope groups be taxed under a single regime rather than running parallel calculations.

Key administrative dates for in-scope groups are summarised below.

Groups with a local top-up liability file a Gibraltar Top-up Tax Return on Form GMTA1. Government guidance issued in December 2025 covers registration, annual notifications, and filing for in-scope groups.

ConclusionCopy link to section

The decision to incorporate in Gibraltar, or to maintain a compliant presence there, turns less on the headline 15% rate and more on whether the revenue a business generates actually falls within the territorial charge. A foreign owner whose income genuinely accrues outside Gibraltar faces a materially different exposure than one whose commercial activity is rooted on the Rock, and that distinction is the first thing to test against the specific facts of any structure.

Sector classification and the treatment of intangibles are the two variables most likely to shift that analysis once the territorial question is settled, so the practical next step is a fact-specific review of how the business earns, where it earns, and what it owns.

How Expanship Can Help Your Business in GibraltarCopy link to section

Expanship advises foreign owners on Corporation Tax from the first step, handling tax registration, return preparation, and the schedule of Payments on Account, and extending into the wider compliance a non-resident entity needs to operate cleanly on the Rock. The aim is a company that meets every filing and payment deadline without you having to track the procedural detail from abroad.

• Company formation and structuring under the Companies Act 2014
• Registered agent and registered office services
• Tax registration and preparation of Corporation Tax returns
• Ongoing compliance and deadline management
• Accounting, bookkeeping, and preparation of statutory accounts
• Introductions to banking providers

To discuss your structure or an existing entity, contact Expanship Gibraltar.

Frequently Asked QuestionsCopy link to section