Brazil

Top 11 largest Brazilian Companies in the Communication Services sector by Market Cap

This is the list of the largest public listed companies in the Communication Services sector from Brazil by market capitalization with links to their reference stock and industry.

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Top Communication Services Companies from Brazil as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Telefônica Brasil SA $19.30 B Brazil Brazilian Communication Services Brazilian Telecom Services
2 TIM SA $9.42 B Brazil Brazilian Communication Services Brazilian Telecom Services
3 Eletromidia SA $663.5 M

(Jan. 1, 2025)

 Brazil Brazilian Communication Services Brazilian Advertising Agencies
4 Mosaico Tecnologia ao Consumidor SA $204.6 M

(March 1, 2022)

 Brazil Brazilian Communication Services Brazilian Internet Content & Information
5 Telecomunicacoes Brasileiras S.A. - TELEBRAS $204.2 M Brazil Brazilian Communication Services Brazilian Telecom Services
6 Méliuz SA $78.9 M Brazil Brazilian Communication Services Brazilian Internet Content & Information
7 Oi SA $10.0 M Brazil Brazilian Communication Services Brazilian Telecom Services
8 Dotz SA Brazil Brazilian Communication Services Brazilian Advertising Agencies
9 Desktop - Sigmanet Comunicação Multimídia SA Brazil Brazilian Communication Services Brazilian Telecom Services
10 Unifique Telecomunicações SA Brazil Brazilian Communication Services Brazilian Telecom Services
11 Bemobi Mobile Tech SA Brazil Brazilian Communication Services Brazilian Entertainment

Top Communication Services Companies from Brazil as of Jan. 01, 2026

1. Telefônica Brasil SA

Company Profile: Telefônica Brasil SA
Market Cap (USD): $19.30 B
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

2. TIM SA

Company Profile: TIM SA
Market Cap (USD): $9.42 B
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

3. Eletromidia SA

Company Profile: Eletromidia SA
Market Cap (USD): $663.5 M (Jan. 1, 2025)
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Advertising Agencies

4. Mosaico Tecnologia ao Consumidor SA

Company Profile: Mosaico Tecnologia ao Consumidor SA
Market Cap (USD): $204.6 M (March 1, 2022)
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Internet Content & Information

5. Telecomunicacoes Brasileiras S.A. - TELEBRAS

Company Profile: Telecomunicacoes Brasileiras S.A. - TELEBRAS
Market Cap (USD): $204.2 M
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

6. Méliuz SA

Company Profile: Méliuz SA
Market Cap (USD): $78.9 M
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Internet Content & Information

7. Oi SA

Company Profile: Oi SA
Market Cap (USD): $10.0 M
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

8. Dotz SA

Company Profile: Dotz SA
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Advertising Agencies

9. Desktop - Sigmanet Comunicação Multimídia SA

Company Profile: Desktop - Sigmanet Comunicação Multimídia SA
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

10. Unifique Telecomunicações SA

Company Profile: Unifique Telecomunicações SA
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Telecom Services

11. Bemobi Mobile Tech SA

Company Profile: Bemobi Mobile Tech SA
Country: Brazil
Sector: Brazilian Communication Services
Industry: Brazilian Entertainment

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