Income Tax on Foreign Contracts in Kuwait: When Does Tax Exposure Arise and How Does Tax Retention Affect Cash Flow?
A foreign company may sign a contract in Kuwait with an apparently attractive profit margin, only to discover after performance begins that part of its receivables will remain retained, that describing the arrangement as an “offshore supply” does not necessarily determine its tax treatment, and that the absence of a registered branch does not automatically mean that no tax exposure exists. Tax then becomes more than a compliance item: it affects pricing, liquidity, profitability and the timing of cash collection.
Sound tax analysis should therefore begin before the contract is signed. It should identify the entity earning the revenue, where each component of the work will be performed, the role of any agent or subcontractor, the effect of an applicable double tax treaty, and the operation of the income tax retention. The earlier these matters are addressed, the easier it is to protect the project margin and prepare a tax file that can be supported during an inspection.
Why Does the Tax Analysis Start with the Contract?
Kuwait Income Tax Decree No. 3 of 1955, as amended by Law No. 2 of 2008, imposes tax at 15% of net taxable income on business entities falling within its scope. The income specifically covered by the law includes profits from contracts performed wholly or partly in Kuwait, the rendering of services, industrial and commercial activities, commissions arising from representation or commercial mediation, disposals of assets, and certain consideration relating to the use of intellectual property rights.
Accordingly, the place where a contract is signed, an invoice is issued, or consideration is collected is not, on its own, sufficient to exclude tax exposure. The assessment depends on the facts as a whole: the nature of the activity, where it is performed, the entity bearing contractual responsibility, how the work is accepted, and the connection between the revenue and the Kuwaiti market.
1Performing work through an agent does not necessarily remove the foreign entity’s obligation, as the law covers activities conducted directly or through an agent. Conversely, it distinguishes an agent from a Kuwaiti merchant who purchases and takes goods into its own account before reselling them for its own account.
Read more about: Your Kuwait Tax Guide for 2026: Four Obligations That Could Make or Break Your Bottom Line
Who Is Subject to the Traditional Income Tax Regime?
In general practice, the traditional income tax regime is principally relevant to foreign business entities carrying on trade, business or activities in Kuwait. It may also extend to the foreign ownership share in a business entity incorporated in Kuwait. Determining exposure requires an examination of the legal form, the nationality of the owners, the ownership structure, the nature of the activity, and the relevant agreements and contracts; the entity’s trade name or place of incorporation should not be relied upon in isolation.
Business entities that are Kuwaiti and wholly owned by nationals of Kuwait or other Gulf Cooperation Council states are generally outside the traditional income tax regime, although other fiscal or tax obligations may apply depending on their legal form and ownership. The regime does not impose a general income tax on individuals’ salaries. Activities connected with the “Designated Zone” are also governed by separate legislation and should therefore be analyzed independently.
Five Matters to Resolve Before Signing the Contract
First: Which party earns the revenue? Confirm whether the contract is entered into by the parent company, a branch, a subsidiary, or another group entity, and identify the entity providing the personnel, assets, or technology and bearing the performance risks. A mismatch between the contract and the actual operating model may make the allocation of revenue and expenses difficult to defend.
Second: Where will the work be performed? Work performed in Kuwait should be distinguished from work carried out elsewhere, supported by records of personnel locations, periods of presence, completion and acceptance certificates, travel records, and subcontractor responsibilities. Merely labeling an invoice as “offshore services” is insufficient where the operating facts indicate otherwise.
Third: Is the contract mixed? A single contract may combine the offshore supply of equipment with installation, testing, training or maintenance in Kuwait, as well as a software or technology license. In these cases, the allocation of consideration should reflect the commercial substance of each component and be supported by pricing, documentation and the parties’ responsibilities. A formal allocation alone does not determine the tax treatment.
Fourth: Does a double taxation avoidance treaty apply? An applicable avoidance of double taxation treaty may limit Kuwait’s right to tax business profits where no permanent establishment exists under the terms of that treaty, or it may prescribe specific treatment for certain types of income. However, treaty relief should not be assumed automatically. It depends on the exact wording of the relevant treaty, the facts of the transaction, the availability of tax residence evidence, and compliance with the required procedures and supporting documentation.
Fifth: How will tax retention have an impact on the cash flow? The contract should clearly cover the tax retention mechanism, including the documents required for release, each party’s responsibility for cooperating in the tax clearance process, and the working-capital impact of any delay in releasing the retained amount. The tax retention amount should not be viewed as a final tax liability or confirmed cost before the actual tax liability has been assessed.
How Is Net Taxable Income Determined?
Tax is not, as a starting point, calculated simply by applying 15% to the gross contract value, nor is taxable income necessarily equal to the accounting profit reported in the group financial statements. The calculation begins with accounting records that fairly reflect income, followed by the adjustments and limitations required under the law, its Executive Bylaw and implementing rules.
The law permits the deduction of expenses and costs incurred to generate taxable income. Depending on the facts and applicable limits, these may include salaries, wages and end-of-service benefits, taxes and fees other than income tax itself, depreciation of assets, certain qualifying donations, and an allocation of head-office expenses. The Tax Department may disallow expenses that are unsupported, unrelated to the Kuwait activity, or allocated to the project without a clear and verifiable basis.
The law also permits a tax loss to be carried forward for the following three years, subject to its conditions. The carry-forward ceases if the business is discontinued or tax returns are filed without revenue from the entity’s principal activity, although compulsory suspension periods are excluded from those periods. The quality of the reconciliation between the group accounts, the result of the Kuwait activity and the supporting evidence is therefore a central factor in the tax inspection outcome.
The 5% Income Tax Retention Is Not the Final Tax
The executive rules require entities contracting with a foreign body corporate, within their scope, to retain 5% from the value of each payment made under the relevant contract, agreement or transaction. The contracting entity holds the retained amounts in trust for the Public Treasury until the Tax Department issues a letter or certificate authorizing their release.
The tax retention mechanism is primarily different from the actual tax liability. Retention is calculated as a percentage of payments made under the contract, while the final tax liability is determined based on the taxpayer’s net taxable income. For example, a contract with a value of KWD 1 million may entail total retention of KWD 50,000 if the full contract amount is paid. However, this does not mean that the final tax liability will necessarily be KWD 50,000. The final assessed tax may be higher or lower, depending on the results of the tax assessment. Any excess retention will not be released automatically until the required procedures are completed and the relevant tax clearance is obtained from the tax authorities.
The retention should therefore be reflected in collection forecasts, financing needs and contract pricing, and monitored by invoice, payment and customer. The Kuwaiti contracting party should not release the amount based only on a commercial confirmation, while the foreign entity should not defer preparation of its tax file until the project ends and then expect an immediate release.
Where Do Double Tax Treaties Fit into the Analysis?
The analysis normally begins by determining the outcome under domestic law and then considering whether an applicable treaty modifies Kuwait’s taxing right. Under some treaties, business profits are taxable in the source state only when the enterprise carries on business through a permanent establishment there. However, the definition of a permanent establishment, project and service duration thresholds, and the role of an agent vary from treaty to treaty.
Royalties, consideration for rights and other categories of income may also be treated differently from business profits. The income must therefore be classified before the treaty is applied, and tax residence and any other relevant conditions should be verified. Even where there is a basis for claiming an exemption or treaty protection, local registration, return filing or documentation procedures may remain applicable until the Tax Department accepts the treatment.
What If the Entity Belongs to a Large Multinational Group?
Before applying the traditional income tax rules, it is necessary to determine whether the entity belongs to a group within the scope of Decree-Law No. 157 of 2024 concerning tax on multinational enterprise groups. The regime applies to taxable periods beginning on or after 1 January 2025 and, among its conditions, is linked to the group having consolidated annual revenue of at least EUR 750 million in at least two of the four preceding periods.
This classification may change the applicable tax regime because, for taxpayers within its scope, the new law replaces certain tax regimes specified in the legislation; it should not therefore be added mechanically to the traditional income tax. As Baker Tilly Kuwait has published dedicated content on this regime, this article is limited to highlighting the need to perform the scope test before calculating tax on the contract.
Contractual Errors That May Become Tax Costs
Risks commonly arise where an entity assumes that the absence of a branch eliminates tax exposure, divides the contract value between supplies and services without commercial support, relies on a treaty before satisfying its conditions, or charges unsupported head-office expenses to the project. Ignoring the tax retention when pricing, failing to reconcile retained amounts between the parties’ records, or delaying registration and document collection may also create cash-flow gaps and disputes that could have been mitigated from the outset.
The most effective response is to maintain a central register of foreign contracts linking the sales, legal, finance, project management and tax functions. The register should capture the contracting entity, the scope and place of performance, the value of each component, the potentially applicable treaty, registration and filing dates, retained amounts, and the status of the tax inspection and clearance.
Change Tax from a Contractual Surprise into a Controllable Obligation
Effective tax management does not start with filing the tax declaration. It starts much earlier, at the stage of reviewing the contract before pricing and signature. When an entity identifies the applicable tax regime, documents where the work will be performed, separates the contract components based on clear commercial terms, and evaluates the implications of tax treaties and retention requirements, it becomes better positioned to protect its profit margin and cash flows, while presenting a clear and defensible tax position before the tax authorities.
If your organization is negotiating a contract to perform work, supply services, or grant rights for use in Kuwait, Baker Tilly Kuwait can support you in reviewing the contract’s tax structure, assessing tax exposure and applicable double tax treaties, estimating the effect of tax retention on pricing and cash flow, and completing the registration, filing, inspection, and clearance procedures.
Please contact the Business Development Department at +965 1887 799 , Ext.: 335, and a meeting can be arranged accordingly for further discussion.

