Marval O'Farrell, Mairal

What Marval O'Farrell, Mairal does

Marval O'Farrell Mairal is a privately held, full-service Argentine law firm founded in 1923 and headquartered at Av. Leandro N. Alem 882 in Buenos Aires, with a second office in Neuquén. The firm employs 300+ lawyers and serves commercial and investment banks, multinational corporations, leading local companies, public sector entities, and international credit organizations across 25+ practice areas, including corporate/M&A, banking and finance, litigation and arbitration, intellectual property, tax, labor, competition, ESG, energy and natural resources, compliance and anti-corruption, and public/administrative law.

The firm generates revenue through engagement-based professional legal services fees, with quote-based pricing tied to matter complexity and scope, and serves cross-border clients via three dedicated international desks (China & Asian Desk, Brazil Desk, German Desk), membership in Lex Mundi (160+ member firms) and Employment Law Alliance (3,000+ lawyers across 100+ countries), and a coordination role for Latin American mandates of multinational clients. The firm has invested in proprietary digital channels — Marval Live Talks (live legal streaming, 2020), Marval Legal Voice (podcast, 2021), MarvalApp (first legal mobile app in Argentina, 2022), Marval Legal Sessions (video podcast, 2025), and the Marval Content Hub — and applies AI internally to improve professional productivity and response times.

Beyond core advisory work, the firm operates a substantial pro bono program with 180+ lawyers contributing 7,800+ hours annually to support 100 NGOs, hosts 50+ events per year (including the Marval International Summit on Compliance, Anti-Corruption, and Investigations and Marval Legal Forecast), and maintains a Young Professionals Program that has trained 500+ lawyers since 1997. Ownership is concentrated among named partners within a traditional partnership structure; no public listing, parent company, or institutional investor backing has been disclosed.

Name

Marval O'Farrell, Mairal

Legal name

Marval O'Farrell Mairal

Website

https://marval.com

Company type

Private

Founded year

1923

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Marval O'Farrell Mairal is Argentina's largest full-service law firm, founded in 1923, with 300+ lawyers advising multinational corporations, banks, and public sector clients across 25+ practice areas throughout Latin America.

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Offices of Lawyers (541110), All Other Legal Services (541199)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Legal Practice Management & Case Management (BPAEAPAC)

akta.pro secondary industries

Litigation & Dispute Resolution (BPAHAAAB), Fraud Risk Management & Anti-Bribery/Anti-Corruption (ABAC) (BPAHAFAL)

Keywords

• Corporate legal advisory
• Mergers and acquisitions law
• Banking and finance law
• Cross-border legal services
• Litigation and arbitration

Headquarters

HQ city

Buenos Aires

HQ country

Argentina

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Legal Advisory Services: The firm generates revenue through professional legal services including corporate transactions, litigation, arbitration, banking and finance, M&A, tax law, labor law, competition law, intellectual property, and other areas of business law. Services are provided to commercial and investment banks, local and multinational companies, public sector clients, and international credit organizations.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels8 records

Core offering

Marval O'Farrell Mairal is a full-service law firm providing sophisticated legal advisory across more than 25 practice areas, including corporate and M&A, banking and finance, litigation and arbitration, tax, labor, competition, intellectual property, ESG, energy, and telecommunications. The firm delivers services through 300+ lawyers, supported by dedicated international desks (China & Asian, Brazil, German), industry-recognized digital channels (MarvalApp, Marval Live Talks, Marval Legal Voice, Marval Legal Sessions), and global network memberships (Lex Mundi, Employment Law Alliance).

Product overview

Marval O'Farrell Mairal is Argentina's largest law firm offering comprehensive legal services across 25+ practice areas. The firm operates as a full-service legal platform complemented by digital content products including MarvalApp (mobile app), Marval Live Talks (streaming), Marval Legal Voice (podcast), and Marval Legal Sessions (video podcasts). Its international desks (China & Asian Desk, Brazil Desk, German Desk) serve cross-border clients, while core practice areas span corporate/M&A, banking/finance, ESG, litigation, intellectual property, tax, labor, competition, energy, and more.

Differentiator

Problem solved

Functional benefit

Brands

• MarvalApp: The first legal app in Argentina, launched in 2022, allowing users to download documents, read specialized articles, and access news and legal sector alerts.
• Marval Live Talks
• Marval Legal Voice
• Marval Legal Sessions
• MarvalArt
• China & Asian Desk
• Brazil Desk
• German Desk

Products and services

• Corporate and M&A (Sociedades / Fusiones y Adquisiciones) Legal advisory on corporate transactions, foreign investments, joint ventures, restructuring, due diligence, and shareholder agreements for local and international businesses.
• Banking and Finance (Bancos y Finanzas) Legal services covering loans, public debt, import/export financing, leasing, trusts, real estate financing, debt restructuring, and capital markets transactions for banks and credit organizations.
• ESG (Environment, Sustainability and Governance) Legal advisory on environmental, social and governance matters including ESG due diligence, regulatory compliance, green bond issuance, renewable energy projects, and B-Corp certification.
• China & Asian Desk Specialized legal advisory for Chinese, Japanese, Korean and broader Asian companies on transactions in Argentina and Latin America covering natural resources, infrastructure, real estate, and agribusiness.
• Brazil Desk Specialized legal services for Brazilian companies investing and operating in Argentina, with coordination alongside leading Brazilian law firms.
• German Desk Comprehensive legal advisory for German-speaking companies (Germany, Austria, Switzerland) operating in Argentina, with deep knowledge of their legal systems and business cultures.
• MarvalApp First mobile legal application in Argentina, enabling users to download documents, read specialized articles, and access legal news and alerts.
• Marval Live Talks First live streaming legal channel in Argentina where firm experts present and analyze high-impact topics in the legal world.
• Marval Legal Voice Podcast channel available on Spotify and Apple Podcasts featuring exclusive content on trending topics and key decisions in the legal and corporate spheres.
• Marval Legal Sessions Video podcast series featuring expert analysis and debates on current legal topics with implications for businesses and legal professionals.
• Marval Content Hub Digital content platform providing key information and content on relevant trends in specific sectors, including resources on regulatory frameworks such as RIGI and Labor Modernization Law.

Quantifiable outcome

• Recognized as best law firm in Argentina by Chambers & Partners 12 times, including 7 consecutive years
• +3 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature5 records

Partnerships

Seven partnerships are on record, tiered core, flagship and minor.

• Employment Law Alliance (ELA)coreStrategic or Co-development Partner · 1 January 2000Marval O'Farrell Mairal was elected as the member for Argentina of Employment Law Alliance (ELA), a global network with more than 3,000 lawyers providing expertise and capacity in labor legislation across more than 100 countries.
• Lex MundicoreStrategic or Co-development Partner · 1 January 1989Marval O'Farrell Mairal is the Argentine member of Lex Mundi, the world's leading association of independent law firms with more than 160 member firms. The association allows permanent dialogue among members about professional practice worldwide, facilitating information exchange and providing access to the best law firms in each country. A Marval partner served as Board Member (1997-2001), Secretary of the Board (1999-2000), President (2000-2001), and Honorary Director (2001-2002). Another partner served as Board Member (2014-2019) and was designated President for 2017-2018.
• Brazilian Law Firms (including Demarest)coreStrategic or Co-development PartnerThe Brazil Desk established in 2000 maintains strong relationships with leading Brazilian law firms. Marval has worked as advisor on major Brazilian investments in Argentina including the sale of Petrobras Argentina to Pampa Energía and advised on competition matters for TAM (Brazil) in its merger with LAN (Chile) creating the largest Latin American airline.
• AHK Argentina (Argentine-German Chamber of Commerce)flagshipStrategic or Co-development PartnerMarval is a member of the Argentine-German Chamber of Commerce (AHK Argentina, Deutsche-Argentinische Industrie und Handelskammer) and actively participates in many of its committees. The AHK annually renews the firm's German Desk certification. The firm is also an active member of the Swiss-Argentine Chamber of Commerce and maintains strong ties with the Embassies of Germany, Switzerland, and Austria.
• Swiss-Argentine Chamber of CommerceminorStrategic or Co-development PartnerActive member of the Swiss-Argentine Chamber of Commerce with strong relationships maintained with Swiss business communities.
• Leading US, European, and Latin American Law FirmscoreStrategic or Co-development PartnerMarval O'Farrell Mairal maintains and continues to maintain close relationships with leading law firms in the United States, Europe, and Latin America for cross-border transactions and client referrals.
• Luciano Ojea Quintana (Asia-Pacific)coreStrategic or Co-development PartnerVice President of the Argentine Chamber of Commerce for Asia and the Pacific, coordinating the firm's Asian Desk operations and serving as a bridge for business development between Argentina and the Asia-Pacific region.

Scale indicators7 records

Recent moves13 records

Expansion highlights5 records

Broad incumbents

• Baker McKenzie: Global magic-circle firm with the largest LatAm platform of any international firm; competes with Marval for the largest cross-border and multinational mandates touching Argentina.
• Garrigues: Iberian-headquartered global full-service firm with a strong LatAm footprint; competes with Marval for cross-border M&A, finance, and regulatory advisory in Spanish-speaking markets.
• Mattos Filho, Veiga Filho, Marrey Jr. e Quiroga Advogados: Brazil's largest full-service firm with deep Latin American cross-border practice; comparable to Marval in scale and full-service breadth and a regional competitor for the largest LatAm mandates.
• Hogan Lovells: Global elite firm with strong LatAm presence in finance, infrastructure, and energy; competes for high-end transactional and dispute mandates involving Argentine clients or assets.

Direct peers

• Bruchou, Fernández Madero & Lombardi: Buenos Aires-based full-service firm recognized for capital markets, M&A, and banking work; a leading Argentina firm overlapping with Marval on financial-transaction and corporate mandates.
• Demarest Advogados: Brazil's leading full-service firm and Marval's Brazil Desk counterpart; both compete for, and coordinate on, Brazil-Argentina cross-border M&A and investment transactions.
• Estudio Beccar Varela: One of Argentina's oldest and most prominent full-service law firms, headquartered in Buenos Aires, competing directly with Marval for sophisticated corporate, M&A, and dispute work in the Argentine market.
• Pérez Alati, Grondona, Benites & Arntsen: Argentine full-service firm known for corporate, banking, and energy practices, regularly cited alongside Marval as one of the country's top law firms.

Emerging players

• Sullivan & Cromwell: Prestigious U.S. firm with leading Latin America capital-markets and M&A practice; competes for the highest-value Argentine-related international financing and corporate transactions.

Regional players

• Uría Menéndez: Spain-headquartered Iberian full-service firm with leading Latin American practice (Uría & Menéndez Colombia, Peru, etc.); competes with Marval for cross-border EU-LatAm and Argentine transactional work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/marvalofarrell
• Facebookfacebook.com/marvalofarrell
• LinkedInlinkedin.com/company/marval-ofarrell-mairal
• Instagraminstagram.com/marvalofarrell

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Marval O'Farrell, Mairal