Allende & Brea advises on a wide range of legal and regulatory matters linked to mining projects in Argentina, with a particular focus on the lithium and copper sectors. The team provides support across all stages of project development, including project financing – often involving sustainability-linked loans – and the acquisition of mining rights by international investors. The firm guides clients through Argentina’s complex regulatory landscape, advising on mining investment laws, stability tax regimes, and environmental compliance. Its corporate expertise extends to M&A, corporate governance, and due diligence processes for mining companies operating in the country. Practice head Florencia Heredia, praised for her ‘industry knowledge and experience’, advises mining companies and lenders on some of the largest project financings in the country. She is supported by a strong roster of senior associates, including Agostina Martinez and Maria Milagros Pieroni, who provide support in the acquisition of mining rights and shares in local companies, Martín Prieto, who advises on environmental regulatory and permitting matters, and Lucrecia Re and Vanesa Fernández, who counsel clients on competitive public bids and contracts.

Bruchou & Funes de Rioja houses ‘one of the most experienced mining teams in Argentina’ and offers strategic counsel across the exploration, construction, and operational phases of mining projects. The department is especially active in the lithium, gold, and copper industries and frequently advises on bidding processes, negotiations with public authorities, permitting, environmental approvals, and royalties. The team also supports international investors and companies in the acquisition of mining rights, including guidance on registration procedures, potential tax benefits, and regulatory compliance. The practice is led by the ‘quick-thinking’ Sebastián P. Vedoya and Sergio Arbeleche, who assist with M&A transactions, joint ventures, and the assignment of mining rights, including due diligence and title assessments. Pablo Crimer, who was promoted to partner in April 2025, has expertise in environmental matters related to mining. The partners have the backing of a skilled junior team, including associates Josefina Piñeiro and Constanza Rebolo and senior associate Dolores Cattaneo, who provide counsel across various project phases, such as permitting applications and contract negotiations.

Marval O’Farrell Mairal stands out for its ‘personalised service’ and ‘technical expertise’ in mining law and the support provided throughout all stages of lithium, copper, and gold mining projects. The practice advises clients on various matters, including government contract bids, structuring joint ventures, securing environmental permits, and acquiring and consolidating mining rights and titles. Additionally, the team handles disputes related to mining projects, including environmental liabilities and contract enforcement. The lawyers also assist in executing exploration and option agreements and help clients navigate complex regulatory frameworks, particularly in tax and foreign exchange control matters. Practice head Leonardo Rodríguez is recognised as a ‘strategic advisor’ in litigation, M&A, and joint venture matters within the mining sector. He is supported by senior associates Ignacio Alonso, who defends clients against environmental damage claims, and Agustina Dellacasa, who focuses on corporate, contractual, and regulatory work. Of counsel Luis Lucero formally left the firm in 2024 to take a position as the Secretary of Mining.

Defined by its ‘effectiveness, efficiency, and trustworthiness’, Baker McKenzie is a leading advisor for clients involved in lithium mining operations across Argentina. The team offers support on the initial acquisition of mining projects, due diligence processes, environmental permits, contract negotiations, landowner rights, and labour matters. The practice also provides regulatory advice on the tax implications, including the Large Investments Incentive Regime (RIGI), and foreign exchange regulations. The practice is led by Buenos Aires managing partner Adolfo Durañona and Ezequiel Artola, who facilitate the arrival of new entrants into the Argentine mining sector through the structuring of joint ventures and M&A transactions. Labour partner Diego Bongiovanni has particular expertise in mining sector employment issues, while at associate level, senior Paola Caballero and semi-senior Delfina Ferrario are the key names; both handle commercial, corporate and contentious matters in the mining sector.

Mitrani Caballero possesses a strong understanding of the regulatory, financial, and operational challenges specific to mining industry clients. The team regularly advises on foreign investments, including share acquisitions, IPOs, and financing arrangements to drive mining development in Argentina. It also provides ongoing support throughout lithium, gold, silver, vanadium, and uranium projects and covers permitting, contract negotiation, regulatory compliance, and tax optimisation matters. The department is steered by Matías Olcese, who guides clients through the acquisition, structuring, and development of mining projects, and María Paula Terrel, who advises on cross-border M&A, corporate, and financing deals, including equity financing and public takeovers. Public law partner María Laura Lede Pizzurno assists companies with environmental due diligence and permitting matters, while senior associate Gonzalo Castagnini participates in public tenders, infrastructure projects, and complex regulatory issues.

Alfaro Abogados assists mining operators, exploration and development companies, and domestic and international investors in navigating Argentina’s regulatory and permitting landscape. The team also supports clients with corporate structuring, project financing, M&A, customs and tax issues, environmental compliance, and foreign investment law. Practice head Ignacio Celorrio specialises in mining law, with decades of experience advising on related corporate, regulatory, and institutional matters. Nicolás Ferla, who is ‘valued for his strong communication skills’, provides corporate and environmental counsel in cross-border mining transactions, while Andrés Villarreal  delivers ‘pragmatic and timely advice’ in M&A matters. Federico Palavecino offers tax advisory services to lithium, silver, and gold mining companies.

Described as ‘experts in the mining field with extensive experience’, the team at Beretta Godoy advises local and global companies on securing mining titles, rights, and exploration permits. The team also negotiates and drafts contracts, including option agreements, structures cross-border deals, and provides environmental due diligence and tax planning advice. The department is headed by of counsel Federico Godoy and ‘excellent’ managing partner Juan Sonoda, who are both energy and natural resources specialists and are active in foreign investment matters, project structuring, joint ventures, and dispute resolution in the mining sector. Associate Luciana Tapia handles regulatory and transactional matters, with a focus on compliance and sustainability.

Bomchil's 'proactive, fast-paced' team supports mining and energy production groups in the development, financing, and operation of projects involving lithium, uranium, and gold. The practice assists clients with acquiring mining rights and shares in local companies and advises on contracts, joint ventures, and investment programs. The team is led by mining specialist Alejandro D’Onofrio, who counsels clients on M&A transactions and project development, and energy and natural resources expert Pablo Alliani, who focuses on regulatory, contractual, and investment matters. Cristian Galansky heads the litigation and arbitration side of the mining practice and also offers advice on environmental and commercial matters.

Martínez de Hoz & Rueda regularly advises domestic and international clients on corporate structuring for lithium and copper mining projects, day-to-day regulatory compliance, and environmental permitting. The team is also involved in complex arbitration proceedings and counsels clients on the regulatory landscape governing mining rights, environmental obligations, and tax incentives. The 'dynamic' team is led by Tomás Lanardonne, who advises on the development, financing, and regulatory aspects of mining projects, and Marcos Blanco, who supports clients in tender processes, contract negotiations, and M&A matters. Public lawyer Juan Cruz Azzarri advises on regulatory frameworks and public bids, while corporate lawyer Fernando Zoppi focuses on cross-border M&A transactions in the mining industry.

Nicholson y Cano Abogados advises mining companies on permitting, mining rights, and regulatory issues across Argentina. Its work includes drafting and negotiating exploration, shareholder, and joint venture agreements. The ‘knowledgeable, practical, and responsive’ team is headed by Nicolás Perkins, who advises on joint ventures and M&A deals, and Eduardo Koch, who participates in project financing and contract negotiations. Of counsel Fernando Caruso advises clients on buying and selling assets and shares in mining companies. Mariana Guzian brings her energy sector experience to the team, advising on lithium, gold and copper deals, while environmental law expert Horacio Payá provides regulatory counsel. Associate Diego Caride concentrates on mining-related corporate matters, including due diligence and cross-border M&A.

Saravia Frías Abogados advises major international mining companies, particularly those developing lithium, copper, and gold projects across Latin America. Its clients include firms listed on the Toronto and London stock exchanges, as well as infrastructure and energy companies supporting mining operations. Key figures include Carlos Saravia Frías, a former national mining official; Santiago Saravia Frías, who has global mining law expertise; Inés Saravia Frías, an ESG and regulatory specialist; and Bernardo Saravia Frías, a former Treasury attorney general of Argentina.

Tavarone, Rovelli, Salim & Miani boasts 'in-depth knowledge' of the mining sector and offers solutions 'tailored to the complex needs' of investors and exploration companies during lithium, copper, and gold mining projects. The team handles regulatory compliance, project development, due diligence, permitting, and filings under Argentina’s new investment regime (RIGI). The team is also skilled in drafting and negotiating complex agreements, such as joint ventures, for mining operations. The practice is led by 'key pillars' Nicolás Eliaschev, who advises mining developers and operators on regulatory compliance and power supply arrangements, and Javier Constanzó, who assists with M&A, project financing, and contracts, such as EPC, O&M, and PPA agreements.

ZBV Abogados' client base includes international operators, financial institutions, and suppliers, who turn to the firm for corporate and regulatory assistance across all stages of mining projects. The lawyers assist with project structuring and financing, asset acquisitions, and public offerings, as well as due diligence, tax, competition, environmental, and litigation matters tied to mining operations. The department is led by Pablo Vergara Del Carril, a corporate expert who assists with joint ventures and M&A transactions. Ignacio Sanz departed the firm in July 2025.