Real business problems are hard to answer with AI today because the truth requires more than just multiple hops across disparate systems and context silos that don’t line up — the CRM, the database, contracts and call notes nobody opened since they were filed — and even tougher, the judgement about what the data means, how your business actually decides, which sources to trust — that judgment lives in people's heads. Stitching together insights across these different grains and definitions is manual work, and pointing AI at these sources without this reasoning layer produces confident guess an expert still has to check. Tellius works across your messy enterprise ecosystem, learns how your business decides, and delivers agentic workers that get the job done: the brief written, the action drafted and shipped into the tools your teams already use — on your approval, the same every run, every number traceable to source. Definitions, playbooks and corrections are captured once and governed. Correct something once and every future decision inherits it, so the work gets sharper while the cost per answer falls. Tellius gives your team more capacity with the same team, and the analysis you used to outsource comes in-house — owned, governed and faster. Consultants leave while what Tellius learns stays yours. Live at 8 of the top 10 pharmaceutical companies and five years running a Visionary in the Gartner Magic Quadrant. Tellius is Decision AI for the enterprise.