Key insights and market outlook
Telecommunication giants PT Telkom Indonesia Tbk (TLKM) and PT Indosat Tbk (ISAT) reported declining financial performance in Q3 2025. TLKM's revenue fell 2.31% YoY to Rp 109.61 trillion, while net profit attributable to the parent company dropped 10.69% YoY to Rp 15.78 trillion. The company's mobile average revenue per user (ARPU) decreased 4.7% YoY to Rp 42,400. These figures indicate continued pressure in the telecommunications sector.
PT Telkom Indonesia Tbk (TLKM), Indonesia's largest telecommunications company, reported a 2.31% year-on-year (YoY) decline in revenue to Rp 109.61 trillion for the nine months ending September 30, 2025. The company's net profit attributable to the parent company also experienced a significant 10.69% YoY decrease, falling from Rp 17.67 trillion to Rp 15.78 trillion during the same period.
From an operational perspective, TLKM's mobile average revenue per user (ARPU) witnessed a 4.7% YoY decline, dropping from Rp 44,500 in September 2024 to Rp 42,400 in September 2025. This decrease in ARPU, coupled with the revenue decline, indicates continued pressure in the telecommunications sector.
The financial performance of TLKM and ISAT reflects the challenging environment faced by telecommunications companies in Indonesia. Despite the decline, TLKM remains a dominant player in the market, with its financial results providing insights into the overall health of the telecommunications industry.
Q3 2025 Revenue Decline
Net Profit Decrease
ARPU Reduction