From 2025 to 2030, North American organizations will navigate a step-change in sustainability management as disclosure requirements expand, supplier expectations tighten, and capital markets reward credible transition plans. The consulting and services market unites three engines of demand: (1) ESG compliance and disclosure across multiple frameworks; (2) supply‑chain decarbonization with granular product and site‑level data; and (3) data platforms and MRV automation that convert sustainability workflows into auditable, repeatable processes. Enterprises are moving beyond one‑off reports toward integrated operating systems that connect finance, procurement, operations, and IT. The winners will operationalize governance, embed decarbonization into sourcing and capex, and instrument supply chains with verifiable data flows. Compliance sets the floor. Public companies confront rising expectations for greenhouse‑gas accounting, climate risk, and sustainability governance; private firms feel pull-through from customers, lenders, and insurers. Meanwhile, supply‑chain decarbonization becomes the cost‑effective frontier: category‑level roadmaps, supplier segmentation, and performance‑based contracts reduce emissions per unit cost. Service providers that pair strategy with execution target setting, data architecture, vendor enablement, and financing unlock durable value.