Specialized in Portuguese Citizenship legal counsel for international investors, expats, and ancestors. We simplify Portuguese bureaucracy so you can live in Portugal or get a second citizenship
Call Now: +351 215 896 071I would like to thank you for the kind, professional, and fast service. Throughout the entire process, I felt personally guided and supported, with dedicated attention and patience for every question. - Vered H.
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Regarded as one of Portugal’s most incisive legal minds, Clara Silva da Costa brings over 14 years of high-stakes legal experience as a trusted citizenship lawyer in Lisbon.
Applying for Portuguese citizenship requires a thorough understanding of nationality law, eligibility criteria, and administrative procedures.
Working with a Portugal citizenship lawyer can help ensure that applications are prepared correctly, supported by appropriate documentation, and submitted in compliance with legal requirements.
CSC Lawyers provides legal assistance to individuals and families seeking Portuguese nationality through various legal grounds, including citizenship by descent, marriage, long-term residence, and naturalization. The firm advises international clients on eligibility assessment, document preparation, application strategy, and communication with Portuguese authorities.
Each case is approached individually, taking into account the applicant’s personal circumstances, country of origin, and long-term plans in Portugal or the European Union. Legal guidance is provided with clarity, accuracy, and a practical focus, helping clients navigate the citizenship process with confidence and legal certainty.
As a Portuguese lawyer in Lisbon, she has advised multinational corporations, governments, embassies, family offices, and high-net-worth individuals, earning a reputation for discretion, rigor, and cross-border expertise.She is a registered member of the Portuguese Bar Association (No. 45229L) and the European Association of Lawyers, holding a Degree in Law, a Graduate qualification in Registries and Notarial Practice, and a Graduate qualification in Labour Law.
Here are some of the reasons clients choose us for their legal matters in Portugal.
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Unlike many citizenship lawyers in Lisbon who begin their careers in administrative or transactional roles, Clara’s practice was shaped in criminal and administrative litigation. This background brings sharp judgment, strategic thinking, and confidence under pressure, especially valuable in complex or high-stakes matters where precision and timing matter.
What further distinguishes this practice is its ability to operate decisively within Portugal’s highly procedural legal environment. Years spent navigating courts, registries, public authorities, and government platforms have created a hands-on, solution-oriented approach. Matters are handled with clarity, efficiency, and anticipation of potential obstacles, an advantage for international clients who value reliability, responsiveness, and outcomes over formality alone.
Clients work directly with the lawyer handling their case—not layers of associates. Every matter is overseen personally, ensuring discretion, continuity, and accountability. This boutique structure allows for faster decisions, clearer communication, and legal strategies tailored to each client’s objectives.
Experience as a Legal Adviser with the United Nations (UNICRI) provides a rare understanding of cross-border law, international standards, and diplomatic sensitivity. This perspective allows clients to receive legal advice in Lisbon that aligns seamlessly with international expectations, not just local procedures.
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Portuguese law is highly structured, formal, and often driven by administrative procedure rather than discretion. For expatriates, investors, and international businesses, this can create uncertainty, delays, and unnecessary friction.
The firm’s role is to translate that complexity into clarity, guiding clients through each step with precision, transparency, and practical foresight. Rather than focusing solely on legal compliance, the approach is centered on viable solutions that anticipate procedural obstacles, align with institutional realities, and move matters forward efficiently. Clients benefit from clear communication, realistic timelines, and legal strategies designed not just to comply with the law, but to achieve results within it.
Comprehensive legal solutions In Lisbon structured for international clients, businesses, and investors.
Strategic relocation support, from heritage-based citizenship to high-value investment visas.
Led by a graduate of Registries and Notarial Practice, we ensure absolute security in property transactions.
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Guiding foreign companies and investors through Portuguese commercial law and tax frameworks.
Clara was extremely helpful during my journey to obtain Portuguese citizenship. The process can be confusing, and there were times when documents had to be corrected or resubmitted. I appreciate the help so much, and I definitely recommend this legal office.
2 days they accompanied us.on the first morning for the ID, on the second for the passport. They collect both certificates and on the third day I collected the doc.from their office.everything went smoothly and maria was wonderful. Thank you very much
Top marks for their professional services in the Portuguese naturalization process! Clara did a marvelous work shepherding the process along, and they are guiding us expertly through the government intricacies in Lisbon. All successfully!
Yes. A significant part of our practice is dedicated to international clients, expatriates, investors, and foreign businesses. We are experienced in cross-border matters and accustomed to working with clients who are unfamiliar with Portuguese legal procedures.
Our core areas of practice include Private Client Law, Corporate and Business Law, Registry and Notarial Matters, Real Estate, Citizenship and Nationality, and advisory work involving Portuguese public authorities.
Yes. All matters are overseen directly by a senior lawyer. Clients receive partner-led representation, ensuring continuity, discretion, and informed decision-making throughout the process.
Yes. Legal advice and documentation can be provided in English. This ensures clarity for international clients and helps avoid misunderstandings when dealing with complex legal or administrative matters in Portugal.
Absolutely. We regularly work with registries, notaries, tax authorities, immigration services, and courts. Our proximity to Lisbon’s main public institutions allows us to manage procedures efficiently and proactively.
The first step is an initial case evaluation. You will receive a clear assessment of your situation, applicable legal options, expected timelines, and next steps, allowing you to make informed decisions from the outset.
Work with an experienced lawyer in Lisbon who understands both Portuguese law and international client expectations. Get clear, strategic legal advice tailored to your situation, without unnecessary delays or confusion.
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