The Telomerase Activity Detection Service market comprises laboratory‑based testing and analytical services that quantify telomerase enzyme activity in biological samples, a critical biomarker for oncology, aging and regenerative‑medicine research. This market is pivotal as telomerase profiling underpins early cancer detection, therapeutic monitoring and anti‑aging drug development. According to recent industry reports, the Telomerase Activity Detection Service market size reached approximately $155 million in 2025, and the growth outlook projects a CAGR of 7.5% from 2026 to 2033, driven by rising cancer incidence, expanding liquid‑biopsy platforms, and heightened regulatory endorsement of telomerase‑based diagnostics. Key forces shaping the industry include rapid advances in high‑throughput digital PCR technologies, stricter FDA guidance on companion diagnostics, and increasing investment in personalized oncology pipelines. North America remains the largest region, while Asia‑Pacific is emerging as the fastest‑growing market due to expanding research infrastructure and government funding for genomic initiatives.