Carlos SlimCompanies

Carlos Slim Companies: America Movil, Telmex and Grupo Carso

Quick answer

Carlos Slim controls América Móvil, which grew out of Telmex, and Grupo Carso, with his sons running the group 56.

Full nameCarlos Slim Helú
NationalityMexico
Known forAmérica Móvil and Grupo Carso

Carlos Slim's companies

Company Role
América Móvil Controlling shareholder (about 57%, by one estimate); Latin America's largest mobile operator
Telmex Acquired in 1990; now an América Móvil subsidiary
Grupo Carso Founder; his sons sit on its board
Grupo Financiero Inbursa Bank and insurer
New York Times Company Investor; sold half of his shares in 2017

América Móvil

He turned Telmex into América Móvil, which grew into one of the world's largest mobile operators, with operations in more than a dozen countries 2.

Grupo Carso and Inbursa

His sons run Grupo Carso and Inbursa: Carlos Slim Domit is president of Grupo Carso, Grupo Sanborns, América Móvil and Telmex, and Marco Antonio Slim Domit is chairman of Grupo Financiero Inbursa 6.

Frequently asked questions

Roughly 57%, according to Celebrity Net Worth's estimate.
Grupo Carso acquired it in 1990 when the Mexican government privatised the telephone monopoly.
Yes. He sold half of his shares in 2017 but remained an investor.
Sources✓ Verified 14 Nov 2026
1 Celebrity Net Worth, Carlos Slim Helu net worth, 1 Jan 1970, America Movil stake 2 Market Realist, Mexican billionaire Carlos Slim has sons and grandsons in the family business, 1 Jan 1970, Sons' roles Report a correction