
Tax
Well-regarded for its ‘great technical knowledge’ and ability to ’understand the client’s problem’, CMS‘ tax group possesses the capabilities to assist clients across transactional and contentious mandates, with a notable focus on structuring complex transactions. Regularly involved in cross-border work, the group excels in areas such as transfer pricing and wealth management. Patrick Dewerbe often assists domestic and international clients, particularly in tax matters tied to real estate, energy, and financial transactions. He co-leads the practice with Nuno Figueirôa Santos, a key port of call for private equity funds and ultra-high-net-worth individuals, offering guidance across the complete range of tax-related issues. Mariana Coentro Ribeiro brings extensive expertise in international taxation, cryptocurrencies, and digital tax, making her a key asset in transactional tax and wealth management cases.
Testimonials
Collated independently by Legal 500 research team.
- 'The team stands out for its commitment and dedication.'
‘I would highlight Patrick Dewerbe for his competence, experience and market knowledge. Nuno Santos is also an extraordinary lawyer, highly dedicated and competent, capable of presenting innovative solutions suited to client needs.'
'Mariana Coentro was an excellent hire for the team, and has in-depth technical knowledge in the area of taxation.'
'Great technical knowledge and security, as well as the ability to understand the client's problem.'
‘Mariana Coentro Ribeiro - excellent tax professional, with exceptional technical knowledge, provides great confidence in her response. Works quickly, managing to provide the right answer to the customer's problem.'
Key clients
- SPIE Oil & Gas Services
- Savills
- SWING Biomethane SAS
- SWEN Capital Partners
- Richemont Group International
- Repsol
- Silverkeel Capital Partners
- United Lisbon Education Hub, S.A
- 3XP Global
- PTB Education II
- Muvext, S.A. (Miio)
- Technology and Strategy Groupe
- SWEN Capital Partners
- Aquila Capital Group
- GreenVolt
- Crest Capital Partners
- Davidson Kempner European Partners
- Barclays Bank Plc
- FundBox
- STAG Fund Management
- Insula Capital SGOIC
- Lightsource BP
- Lince Capital
- Azule Energy (JV between BP Oil & Gas and ENI)
- SIMI – Sociedade Internacional de Montagens Industries, S.A.
Work highlights
- Advised Repsol Portuguesa, Lda. on the tax aspects regarding the purchase of 72,83% of the share capital of the company Muvext, S.A.
- Advising Richemont Group International on the tax aspects regarding the purchase of 90% of the share capital of company METEORO – SOCIEDADE TÉCNICA METALÚRGICA, S.A..
Lawyers

Practice head
The lawyer(s) leading their teams.
Patrick Dewerbe, Nuno Figueirôa Santos