
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.
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Key clients
- Fortuna Silver Mines
- Inter-American Investment Corporation
- International Finance Corporation
- K. R. Energy / FIB
- Kinross Gold Corporation
- Lithium Power International Pty
- Livent Corp
- Mineros
- New Era Metal
- Piche Resources
- RHI- Magnesita
- Rumble Resources
- Shandong Gold Mining
- Tor Investment Management
- Toyota Tsusho
- Piche Resources
- Central Puerto
- CNGR Advanced Material
- Next Lithium Corporation
- Arcadium Lithium
Work highlights
Advised Central Puerto on its C$10m and C$25.3m strategic investments in TSXV-listed AbraSilver Resource, the owner of the advanced exploration Diablillos silver-gold project in northern Argentina.
Advised Australian exploration company Piche Resources in connection with its ASX registration and successful IPO in the Australian market, where the company raised AU$10m to fund exploration expenditures.
Advised CNGR Advanced Material on its $63m share sale agreement to acquire a 90% stake in Solaroz Lithium Brine Project, from LE Operations Pty, a subsidiary of ASX-listed company, Lithium Energy.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Matías Olcese; María Paula Terrel
Other key lawyers
María Laura Lede Pizzurno; Gonzalo Castagnini

