Marval O’Farrell Mairal handles the complete range of insurance and reinsurance work, including major disputes and administrative claims, regulatory advice, reinsurance claims, M&A, marine and aviation insurance, and product liability. Insurers also turn to the specialist 12-strong team for advice on day-to-day corporate matters and transactions. The team’s expertise defending insurance companies in collective and class actions and other types of mass litigation is also widely recognised in the market. Insurance expert and market reference Pablo Cereijido leads the practice and has more than 25 years' experience in the sector. The well-reviewed Elias Bestani, a specialist in insurance, reinsurance and maritime and aviation law, is another stand out senior name; additionally, the team can call on the vast experience of former practice head and of-counsel Albert Cappagli, a 40-year insurance-sector veteran. A capable second line is led by disputes, shipping and admiralty specialist María Victoria Rodríguez Mamberti; and Matias Acrogliano, who covers claims and regulatory work.

Beccar Varela advises local and international insurers, reinsurers and brokers on the formation, acquisition and divestment of insurance companies and the transfer and sale of customer portfolios. The team also handles regulatory matters; premium collection agreements; claims reports and contentious matters and litigation; and is a "go-to" adviser for online marketplace operators moving into the insurance sector. Insurance specialist Daniel Seoane leads the practice and draws on deep experience as both an in-house lawyer with global insurers and as private practice counsel. Agustín Luis Duarte, who represents insurers and brokers in judicial proceedings related to major accidents and class actions; and Daiana Mari (regulatory issues and claims reports), are the key names at senior associate level.

Nicholson y Cano Abogados advises insurers and reinsurers on corporate and regulatory issues, product approvals, reinsurance agreements, contracts with brokers and other distributors, claims management and disputes. Other areas of specialist sector expertise include M&A and portfolio issues, the development of life and annuities insurance products, the handling of workers’ compensation insurance portfolios, and the bancassurance legal framework. Practice co-head María Fraguas leads on all regulatory, corporate and contractual work, while fellow co-head Juan Carlos Etchebehere handles large claims portfolio matters. Partner Marcela Botta and associates Paola Pizzini and Ezequiel Matías Marcos, provide key support.

Bomchil focuses on providing corporate advice to insurance and reinsurance clients, but also acts for underwriters, brokers and insured parties. The practice additionally handles litigation, unfair competition clauses, regulation and commercial matters. Corporate and M&A partner Maximo Bomchil leads the team alongside of-counsel and banking and finance veteran Néstor Belgrano, who advises insurers on product structuring, joint ventures, litigation and regulation, providing additional senior support.

Insurers, reinsurers and brokers call on Pérez Alati, Grondona, Benites & Arntsen for advice on M&A transactions as well as representation in class actions brought forward by consumer associations. The practice also acts for clients with claims against insurance companies for insured events, from their initial stages through to judicial claims. Name partner Mariano Grondona -who handles transactions and litigation in the sector- leads the practice, with senior associate Lucila Guerrero, an aeronautical and insurance expert, providing key support. Since publication, Guerrero (whose practice also takes in commercial and aviation matters), has been raised to the partnership - effective as of January 2024.

The formerly market leading practice at Allende & Brea has undergone a remarkably rapid liquidation with the February 2023 departure of associate Sebastian Bonina (to Accenture Argentina), superceded by the wholesale August 2023 departure of practice head Martín Argañaraz, key associate María Agustina Diaz (plus a junior associate and a paralegal) to establish new office, DAC Beachcroft Argentina. Following the earlier (April 2022) departure of Laura Santanatoglia, who moved in house at Zurich Santander Seguros America, this leaves Santiago Sturla - who practices insurance and reinsurance as part of a broader practice that takes in corporate, contractual and company law - heading the department as the firm seeks to rebuild its capabilities; he is supported by intermediate associate Florencia L Marino.