Home / Expertise / Tax
wide angle photograph at city of london most famous buildings

Through its Tax area, CMS Rui Pena & Arnaut aims to accompany its clients in all issues of tax nature, both in day-to-day issues, to meet the Clients’ needs, as well as within a more strategic plan, assuring the follow-up of the national and international expansion, planning the best structure for the clients’ business development.

Our advice is well directed, accurate and immediate in all areas of taxation, among which we would highlight:

  • Tax Litigation and Arbitration
  • International Taxation
  • Corporate Taxation
  • Corporate Reorganisations
  • Real Estate Taxation
  • Intellectual Property Taxation
  • Indirect Taxation – VAT and Excise Duty
  • Tax Benefits and Incentives
  • Individual Taxation
  • Madeira International Business Centre
  • Investment Funds
  • Private Equity – up-stream and down-stream
  • Debt securities and derivatives
  • Structured products
  • International accounting standards

Our team has consistently carried out the follow-up of our clients in all hereinabove referred areas.


Band 3: "The team has solid technical knowledge and creates a good relationship with clients by adapting to their needs and translating legal matters into a business language."
Chambers & Partners 2015
Band 3
Legal 500 2015
Read more Read less


Show only
30 December 2020
Stock sav­ings plan and Brexit: Brit­ish stock and some oth­er fin­an­cial in­stru­ments...
As a res­ult of Brexit, both stock or UCITS by a Brit­ish is­suer are dis­qual­i­fied and some EU-based UCITS funds’ un­der­ly­ing Brit­ish fin­an­cial in­stru­ments may also be so. Such a dis­qual­i­fic­a­tion may lead...
31 July 2020
Meet the Law | In­dus­tri­al Tax Code
Law n. 26/20 of 20 Ju­ly, 2020 amend­ing the In­dus­tri­al Tax Code has been re­cently pub­lished. We would like to high­light the most rel­ev­ant changes:•    Tax rate re­duc­tion - Re­duc­tion of the gen­er­al...
26 June 2020
DAC 6 - Re­port­ing Dead­lines post­poned
Fur­ther to the pro­pos­al is­sued by the Com­mis­sion a few weeks ago, and fol­low­ing the ap­prov­al by the EU Par­lia­ment on 19 June, the Coun­cil of the EU has ad­op­ted on 24 June 2020 the re­vi­sion of the dir­ect­ive...
02 June 2020
Ti­ago Machado Graça is a speak­er at the "An­gola, Cape Verde & Mozam­bi­que:...
Ti­ago Machado Graça, As­so­ci­ate at CMS Rui Pena & Ar­naut, will be a guest speak­er at a we­bin­ar or­gan­ised by the Ger­man - Afric­an Busi­ness As­so­ci­ation.The we­bin­ar will be a priv­ileged mo­ment to dis­cuss...
21 May 2020
CMS Tax law­yers are speak­ers at the teach-in Con­fer­ence Cycle pro­moted...
Patrick Dew­erbe, co­ordin­at­ing part­ner of Tax at CMS Rui Pena & Ar­naut, and Món­ica San­tos Costa, tax law­yer in second­ment at CMS Fran­cis Le­fe­b­vre, were speak­ers at the teach-in con­fer­ences cycle or­gan­ized...
07 May 2020
Meet the Law | New VAT meas­ures
Law n. 13/2020 pub­lished today fore­sees the fol­low­ing VAT meas­ures, ap­plic­able with tem­por­ary ef­fects:A.    VAT re­duced rat­eThe ap­plic­a­tion of the re­duced VAT rate on im­ports, sup­plies and in­tra-EU...
16 April 2020
Meet the Law | Cov­id 19 - An­gola Tax meas­ures
The State of Na­tion­al Emer­gency has been de­clared last 27 March 2020 and ex­ten­ded pur­su­ant to the Pres­id­en­tial De­cree No. 97/2020, of 9 April un­til 25 April­To­geth­er with the re­new­al of the  State of...
25 March 2020
CMS Ex­pert Guide to the law and reg­u­la­tion of Cov­id-19 tax re­lief
In or­der to help busi­nesses deal with some of the eco­nom­ic con­sequences of the Cov­id-19 out­break, gov­ern­ments have taken eco­nom­ic and fisc­al meas­ures to help com­pan­ies man­age their cash flow. And for...
20 March 2020
Por­tugal - Ex­cep­tion­al tax meas­ures ap­proved by the Por­tuguese Gov­ern­ment...
1. What hap­pens to tax ob­lig­a­tions dead­lines? Cor­por­ate In­come Tax Spe­cial pay­ment on ac­count to be made in March can be made un­til June 30, 2020, without any ad­di­tions or pen­al­ties;...
19 March 2020
Meet the Law | Ex­cep­tion­al tax meas­ures ap­proved by the Por­tuguese Gov­ern­ment...
1.    What hap­pens to dead­lines for com­ply­ing with tax ob­lig­a­tions? Cor­por­ate In­come Tax •    The spe­cial pay­ment on ac­count to be made in March can be made un­til June 30, 2020, without any ad­di­tions...
20 February 2020
Por­tugal Prop­erty Sem­in­ar
Patrick Dew­erbe, part­ner at CMS Rui Pena & Ar­naut, will host on the 20th of Feb­ru­ary an even­ing at Athena Ad­visers to de­mys­ti­fy and ex­plain to in­vestors everything they need to know about the re­stric­tions...
02 December 2019
IN­SIGHT: Early Days for An­gola Value-ad­ded Tax
IN­SIGHT: Early Days for An­gola Value-ad­ded TaxNov. 20, 2019, 8:00 AMAfter some set­backs and hurdles, value-ad­ded tax fi­nally entered in­to force in An­gola on Oc­to­ber 1, 2019. Ti­ago Machado Graça of CMS...