1960-1974
DGCI (Tax Administration) officer, where he started as a candidate and served as tax office principal, in all ranks from the bottom to the top of the career. 

1974 - 1989
Officer of IGF (Finance Inspection Directorate) where he served in every position until the rank of Tax Inspector Principal.

1976- 1989
Member of the Cabinet of Studies of the Tax Services Inspectorate.

1978 - 1989
Co-ordinator of the Technical Support Cabinet to the Tax Services Inspectorate.

1989 - 2007
Assistant to the Board of EDP, Electricidade de Portugal, SA on duty of IGF.

2005-2011
Tax counsel to the Portuguese Association of Official Accountants  (APOTEC)
2011 - Of counsel at Carvalho, Matias & Associados, Sociedade de Advogados

Other duties performed

• Member of the Board of the Provident Fund of the Ministry of Finance;
• Member of the Supervisory Commission of the Social Services of the Ministry of Finance, on behalf of IGF.
• Member of the Supervisory Commission of the Department of Games of Santa Casa da Misericórdia de Lisboa, on behalf of IGF.
• Chairman of IGF Staff Association since its foundation.

Publications

• Author of «Codinfo» - Annotated Data Base of the Portuguese Tax System, distributed by the Official Auditors Association, the Official Accountants Association and the Accounting and Administration Firms Association to their respective members.
• Author of the «iuris compendium» version of «Codinfo», Annotated Data Base of the Portuguese Tax System, complemented with the integral text of relevant acts on administrative, commercial, cooperative, civil, civil procedural, criminal and criminal procedural laws.
• Author of the Data Base «Codinfo-Glossary» - a technical/legal dictionary of the Portuguese Tax System.