Debt Negotiation & Payment Plans
We analyse your debt situation and handle the negotiation of structured payment agreements (plano prestacional), interest reduction, and potential relief from penalties.
Individuals
Tax Disputes
03/09
Tax and social security disputes require swift, informed action to avoid escalating financial or legal consequences. We offer specialised advisory and representation for individuals and businesses facing irregularities, debts, or enforcement procedures involving the Autoridade Tributária (AT) or Segurança Social (SS).
Our priority is to assess your case with precision, resolve issues efficiently, and ensure full compliance — always with discretion, clarity, and technical accuracy.
Request information →Our services include
Technical Representation Before Authorities
We act on your behalf in all communications with the Tax Authority or Social Security, ensuring timely responses, document submission, and legal clarity.
Submission of Voluntary Corrections
We prepare and submit amended declarations (declarações de substituição) when necessary, correcting previous omissions or errors while minimising exposure to fines.
Recovery of Withheld Funds or Account Releases
We intervene to resolve enforcement actions that result in frozen accounts or blocked refunds, identifying the cause and acting within the legal timeframe.
Preventive Audit Preparation & Defence
We support clients under review or inspection, preparing documentation, legal arguments, and procedural defences as required.
Why Frontier