Cires21 is a privately owned company headquartered in Spain. Founded in 2008, it employs approximately 10 individuals and reported $528,050.5 in revenue as of 2021. The company specializes in video processing and playout, delivering live streaming solutions to video content owners and producers. Its streaming platform, based on hardware, software, and cloud models, provides encoding, recording, and monitoring solutions for live streaming from any source to any user device.
VisualOn and Cires21 released an updated joint whitepaper at IBC 2026 on September 9, 2026, demonstrating average-bitrate savings of up to 76 percent and improvements in visual quality. This outcome resulted from integrating the VisualOn Optimizer, an AI-enhanced content-adaptive encoding solution, into Cires21's transcoding pipeline. Previously, during NAB 2026 in April, VisualOn and Cires21 jointly released a whitepaper showcasing up to 19-point VMAF gains and improvements in video quality of experience (QoE) through the integration of the VisualOn Optimizer into Cires21's live transcoding pipeline. This research benchmarked H.264, HEVC, and AV1 codecs across major hardware platforms. Earlier, on March 29, 2026, Cires21 emphasized its methodology for redefining video benchmarking for modern streaming infrastructure, applying a structured and reproducible approach to evaluate heterogeneous video compute environments rather than solely relying on average VMAF or bitrate.