Receiving a notification from the Portuguese Tax Authority can raise immediate questions: Why is additional tax being charged? What documents should you provide? Can you challenge the decision? What happens if a tax debt is already being enforced?
GoalSeek’s Tax Disputes & Representation service helps individuals, expatriates, freelancers and businesses understand their position, prepare a documented response and navigate the appropriate next steps.
Our support covers Portuguese tax audits, disputed assessments, administrative complaints and tax debt enforcement matters. Where a case requires legal representation, we coordinate the tax analysis and supporting evidence with a qualified lawyer.
What is a tax dispute in Portugal?
A tax dispute arises when a taxpayer disagrees with a decision, assessment or action taken by the Autoridade Tributária e Aduaneira (AT), Portugal’s Tax and Customs Authority.
The issue may concern the amount of tax assessed, the treatment of income, eligibility for a tax benefit or the collection of an outstanding debt.
Portuguese procedures provide different administrative and judicial routes for challenging tax decisions. Selecting the appropriate route depends on the decision involved, the grounds for challenging it and the procedural stage.
At GoalSeek, we begin by identifying exactly what the notification means and what action your case requires.
How GoalSeek can help
1. Understanding AT notices and tax discrepancies
Not every communication from the AT is a formal dispute. Some notifications request clarification or supporting documents; others communicate proposed corrections, additional assessments or enforcement action.
We help you:
- Understand the notification and its financial implications.
- Identify the relevant response deadline.
- Compare the AT’s position with your tax return and supporting records.
- Prepare explanations and organise the evidence needed for a response.
- Determine whether correction, clarification or a formal challenge is appropriate.
The first step is to establish the facts before choosing a course of action.
2. Support during Portuguese tax audits
A tax audit can involve detailed questions about income, expenses, transactions and previously submitted returns.
GoalSeek provides support with reviewing the scope of the audit, organising requested documents, reconciling figures and preparing responses to the AT.
For expatriates and taxpayers with international income, this may involve examining foreign tax returns, pension statements, investment records, contracts and evidence of tax paid abroad.
Our role is to help present your tax position clearly, consistently and with appropriate supporting documentation.
3. Challenging tax assessments and adverse decisions
If an assessment appears incorrect, we review both the underlying calculation and the tax treatment applied.
Depending on the circumstances, the available administrative procedures may include a reclamação graciosa, which requests the cancellation of a tax assessment in whole or in part, or a recurso hierárquico, which seeks review of an adverse administrative decision by a higher authority.
GoalSeek helps assess the grounds for a challenge, prepare the technical tax analysis and organise the supporting evidence. Administrative assistance and representation are provided within the applicable professional rules and authorisations.
4. Tax debt enforcement proceedings
An execução fiscal is a formal tax debt enforcement proceeding. At this stage, understanding the debt and the available procedural options is particularly important.
We can help you review:
- The origin and amount of the debt.
- The assessments and notifications connected with it.
- Whether grounds exist to challenge the debt or an enforcement decision.
- The availability of an instalment arrangement.
- The requirements for requesting suspension and addressing guarantees.
Challenging a tax assessment does not, by itself, automatically suspend enforcement. Suspension must be assessed separately under the applicable rules, including requirements concerning guarantees or their waiver.
Portuguese procedures also allow requests for payment by instalments during tax enforcement, subject to the relevant conditions. GoalSeek can help evaluate and prepare an appropriate request.
5. Tax analysis for judicial proceedings
Some disputes require consideration of proceedings before a tax court or another legally available dispute resolution route.
In these cases, GoalSeek supports the technical tax work: reviewing calculations, documenting transactions, analysing the treatment of income and explaining the financial implications.
Where legal representation is required, a qualified lawyer handles that role, with GoalSeek supporting the tax and accounting aspects of the case.
Support for expats and international taxpayers
International tax disputes often require more than checking a Portuguese tax calculation. They may involve differences between countries in how income is classified, when it is recognised or which country has taxing rights.
GoalSeek’s international tax advisory work is particularly relevant to matters involving:
- Portuguese tax residence and relocation dates.
- Foreign pensions, employment and freelance income.
- Investment income and capital gains.
- Double taxation treaties and foreign tax credits.
- NHR or IFICI eligibility and the treatment of income under those regimes.
Each case requires an individual review of the relevant tax year, documents and applicable rules.
What to do when you receive an AT notification
Keep the complete notification, including attachments, and record when and how you received it. Gather the relevant tax returns, assessments, contracts and financial statements.
Seek advice promptly. The appropriate response and deadline depend on the specific notification and procedure.
When contacting GoalSeek, please provide:
- The complete AT notification.
- The date of receipt and any stated deadline.
- The tax year and amount involved.
- A brief explanation of the issue.
- Details of any response, payment or challenge already submitted.
This information helps us assess the matter and define the scope of our support.
Frequently asked questions
Can GoalSeek help me challenge a Portuguese tax assessment?
Yes. We can review the assessment, examine the supporting evidence and help determine the appropriate response. The scope of administrative support or coordination with a lawyer depends on the case.
Can GoalSeek assist if enforcement has already started?
Yes. We can review the enforcement documents and assess the available options, including payment arrangements, suspension requirements and potential grounds for a challenge.
Does every disagreement with the AT require court proceedings?
No. Portuguese procedures include administrative mechanisms for challenging certain assessments and decisions. The appropriate route depends on the circumstances.
Can GoalSeek guarantee that additional tax will be cancelled?
No. The outcome depends on the facts, evidence, applicable law and the decision of the competent authority. We provide a reasoned assessment of your position and practical support throughout the agreed process.
Discuss your tax dispute with GoalSeek
Whether you have received a request for clarification, are undergoing a tax audit or need assistance with a disputed assessment or enforcement proceeding, GoalSeek can help you understand your options.
Contact GoalSeek with your AT notification and relevant documents to request an initial assessment of your case.
GoalSeek — Tax Disputes & Representation in Portugal.
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