CS'Associados

What CS'Associados does

CS'Associados is a full-service Portuguese law firm headquartered in Lisbon, operating as a civil liability partnership (CS Associados – Sociedade de Advogados, SP, RL) under Portuguese law. The firm delivers legal advisory services across 17 practice areas and 20 industry sectors, covering banking and finance, commercial and corporate, litigation and arbitration, energy and sustainability, European and competition, tax, mergers and acquisitions, real estate, labour, capital markets, criminal and compliance, private equity, projects, public and regulatory, restructuring and insolvency, financial services, and technology/data/digital innovation. Its core offering is transaction-oriented legal work (M&A, project finance, real estate development, regulatory licensing, restructuring) supplemented by dispute resolution and ongoing advisory mandates. The firm employs between 51 and 100 people, with partner-level expertise drawn heavily from top Portuguese law faculties (Universidade Católica Portuguesa, Universidade de Lisboa, NOVA School of Law) and including former senior regulators.

The firm generates revenue through professional fee arrangements on a quote-based model with no publicly disclosed pricing; given the matter-driven, high-value nature of M&A, real estate, finance, and regulatory work, revenue is anchored to a relatively concentrated base of enterprise corporate clients, real estate developers and investors, financial institutions (including insurance and reinsurance), and telecommunications operators. Distribution is direct engagement with clients; the firm operates a content-driven marketing function (CS' Insights, CS' Legal Updates, the Thinking Competition podcast) and has been recognized by Chambers and Partners in Real Estate (consecutive years, 2025 and 2026) and Corporate M&A (2026), and by Lexology in Corporate Tax Planning (2026). The firm's international posture is signaled by multilingual site presence (Portuguese, English, Spanish, French), cross-border transactional mandates, and contributions to international legal guides.

There is no disclosed parent company, external institutional investor, or public listing; ownership and governance sit with the partner lawyers, and the firm operates without subsidiary structure. The firm previously operated under the name Campos Ferreira, Sá Carneiro & Associados, and its founding year is stated as 2009 in available firmographic data, although its predecessor lineage and senior partner credentials imply an effective operating history extending further back. There is no disclosed product or technology platform; the underlying 'technology' of the business is the accumulated expertise of its partners and associates, with no proprietary software, API, SDK, or AI system disclosed.

Name

CS'Associados

Legal name

CS Associados – Sociedade de Advogados, SP, RL

Website

https://csassociados.pt

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

51–100 employees

Short description

CS'Associados is a Lisbon-headquartered full-service Portuguese law firm offering legal advisory across 17 practice areas and 20 sectors, serving enterprise corporate clients, real estate developers, financial institutions, and telecom operators on M&A, finance, and regulatory mandates.

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Offices of Lawyers (541110), Legal Services (5411), Offices of Lawyers (54111)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Bankruptcy, Restructuring & Insolvency Law (BPAHAAAH)

Keywords

• Legal advisory services
• Corporate law practice
• Banking and finance law
• Mergers and acquisitions
• Real estate law

Headquarters

HQ city

Lisboa

HQ country

Portugal

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Distribution channels1 record

Marketing channels4 records

Core offering

CS'Associados is a full-service Portuguese law firm providing legal advisory services across 17 practice areas including Banking and Finance, Commercial and Corporate, Litigation and Arbitration, Mergers and Acquisitions, Real Estate, Tax, Private Equity, Projects, Energy and Sustainability, and Technology/Data. The firm serves corporate clients, financial institutions, real estate developers, and telecommunications operators across 20 industry sectors with multidisciplinary teams and deep technical expertise.

Product overview

CS'Associados is a full-service Portuguese law firm offering legal advisory services across 17 practice areas and 20 industry sectors. The firm operates as a unified legal services practice rather than a software product platform. The practice areas span Banking and Finance, Commercial and Corporate, Litigation and Arbitration, Energy and Sustainability, European and Competition, Tax, Mergers and Acquisitions, Real Estate, Labour, Capital Markets, Criminal/Compliance, Private Equity, Projects, Public and Regulatory, Restructuring and Insolvency, Financial Services, and Technology, Data and Digital Innovation. The firm serves clients across sectors including Technology, Telecommunications, Tourism, Insurance, Real Estate, Financial Institutions, and more.

Differentiator

Problem solved

Functional benefit

Products and services

• Banking and Finance Legal Services Legal advisory on banking, acquisition finance, project finance, and structured finance transactions for financial institutions and corporate borrowers.
• Commercial and Corporate Legal Services Corporate law advisory including company governance, commercial contracts, and business formation for corporations and commercial entities.
• Litigation and Arbitration Services Dispute resolution through civil and commercial litigation and domestic and international arbitration for corporate and commercial clients.
• Energy and Sustainability Legal Services Legal advice on energy sector transactions, renewable energy projects, and sustainability regulatory matters for energy companies and investors.
• European and Competition Legal Services EU law, competition law, antitrust, merger control, and regulatory advisory services for corporations operating in the European market.
• Tax Legal Services Corporate taxation advisory, tax planning for transactions, reorganizations, and international tax matters for corporate clients.
• Mergers and Acquisitions Legal Services Legal advisory on domestic and cross-border M&A transactions, joint ventures, and shareholder arrangements for acquiring and target companies.
• Real Estate Legal Services Legal advisory on real estate transactions, property development, investment, and asset management for developers and investors.
• Labour Legal Services Employment law advisory, labor relations, and workforce compliance matters for corporate employers.
• Capital Markets Legal Services Securities law, capital markets transactions, and financial instruments advisory for issuers and investors.
• Criminal, Administrative Offences and Compliance Legal Services Criminal defense, regulatory sanctions, compliance frameworks, and internal investigations for corporations and individuals.
• Private Equity Legal Services Legal advisory on private equity transactions, fund investments, and portfolio company matters for PE firms and investors.
• Projects Legal Services Legal advisory on project finance, infrastructure projects, public-private partnerships, and concessions for developers and public sector entities.
• Public and Regulatory Legal Services Public law, regulatory compliance, administrative litigation, and government relations for public and private sector clients.
• Restructuring and Insolvency Legal Services Legal advisory on corporate restructuring, insolvency proceedings, and debt reorganization for distressed companies and creditors.
• Financial Services Legal Services Legal advisory on financial institutions regulation, insurance law, and fintech for banks, insurers, and fintech companies.
• Technology, Data and Digital Innovation Legal Services Legal advisory on privacy and data protection, cybersecurity, AI regulation, blockchain, telecommunications, and digital platforms for technology companies and telecom operators.

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• DLA Piper: Global law firm with a substantial Lisbon office providing corporate, finance, real estate, technology and dispute resolution services — competes with CS'Associados for cross-border mandates where multi-jurisdictional coverage is decisive.
• Uría Menéndez: Large Iberian full-service firm with significant Lisbon presence; competes with CS'Associados for high-end M&A, banking and capital markets mandates involving international clients with Portuguese exposure.
• Baker McKenzie: Global law firm with a Lisbon office covering M&A, banking, tax, real estate and TMT — overlapping with CS'Associados' practice portfolio on inbound international work into Portugal.
• Cuatrecasas: Iberian-origin full-service firm with a deep Lisbon office competing across M&A, banking & finance, real estate, energy and EU/competition — a broader Iberian incumbent against which CS'Associados pitches for cross-border mandates.
• Garrigues: Major Iberian/global law firm with broad corporate, tax, banking and dispute resolution coverage, including a sizeable Portugal practice — competes for the same cross-border Iberian mandates.

Regional players

• Pérez-Llorca: Top Spanish full-service firm that increasingly competes for Iberian and Portuguese-related transactions; comparable in practice mix though geographically based in Spain rather than Portugal.

Direct peers

• PLMJ: Largest full-service Portuguese law firm headquartered in Lisbon with comparable depth across M&A, banking & finance, real estate, tax, EU & competition, and dispute resolution — directly competing with CS'Associados for premium Iberian mandates.
• SRS Advogados: Portuguese full-service firm with strong M&A, real estate, tax and financial services practices; directly comparable in size and Chambers-recognized positioning to CS'Associados.
• Morais Leitão, Galvão Teles, Soares da Silva & Associados: Long-established Lisbon-headquartered full-service firm competing in the same corporate, banking, real estate and dispute resolution practices; comparable partner-led structure and Iberian client base.
• Vieira de Almeida (VdA): Major Portuguese full-service law firm with very similar practice coverage (M&A, banking, energy, real estate, TMT, EU/competition) and similar top-tier Chambers rankings — a primary head-to-head competitor for CS'Associados.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CS'Associados