TIM S.A. Dossier
Qualitative Analysis
Business overview
TIM S.A. (NYSE: TIMB; B3: TIMS3) is a leading Brazilian telecommunications provider headquartered in Rio de Janeiro. The company is 67%-owned by Telecom Italia and operates as the third-largest wireless carrier in Brazil, serving approximately 62 million mobile subscribers, which represents a 23% market share. TIM S.A. is a pioneer in 5G deployment, boasting the largest 5G footprint in Brazil with coverage extending to over 1,000 cities. In addition to its core mobile services, the company offers residential broadband under the TIM UltraFibra brand and is expanding its B2B digital transformation solutions, highlighted by its recent acquisition of V8.Tech.
Research as of 19 Jun 2026
Strategic Initiatives
Growth programs, investments, and their expected impact
Strengthening the business-to-business segment by integrating advanced cloud, digital transformation, and artificial intelligence services into the corporate portfolio.
Expected impact: Deepens relationships with over 100 active corporate clients across multiple sectors and drives double-digit growth in B2B contracted revenues.
Acquiring full ownership of fiber infrastructure provider I-Systems Soluções de Infraestrutura S.A. by buying back the 51% stake previously held by IHS Fiber Brasil.
Expected impact: Secures full control over a fiber network spanning 22,250 km and passing 9.3 million homes, accelerating FTTH (fiber-to-the-home) growth and improving operating margins.
Strategic partnership with IHS Brasil for the construction and operation of telecommunications towers under the 'MAKE' model.
Expected impact: Enhances 5G and 4G network coverage across various regions, supporting both B2C mobile operations and B2B IoT (Internet of Things) applications.
Mergers, Acquisitions & Partnerships
Recent deals and strategic collaborations
Recent Acquisitions
To accelerate TIM's B2B strategy by adding specialized capabilities in digital transformation, multicloud, hybrid cloud, and artificial intelligence.
Financial impact: Adds a business with approximately R$235 million in net revenue (for the 12 months ended September 2025) and a historical 17% CAGR.
To regain 100% ownership of the fiber infrastructure network, allowing TIM to fully capture broadband market opportunities, improve connectivity quality, and enhance operational efficiency.
Financial impact: Consolidates full ownership of the fiber network, driving fixed-line revenue growth (which grew 22.9% YoY in Q1 2026 following the transaction announcement).
Strategic Partnerships
High. Focuses on building up to 3,000 telecommunications towers under the MAKE model, with an initial deployment of at least 500 sites to support 5G, 4G, and IoT expansion.
Terms: Initial deployment of at least 500 sites distributed across various regions of Brazil.