Abstract
<jats:p>The article examines the essence and substantive characteristics of circular business models (CBMs) as a conceptual foundation for transitioning from linear to closed-loop value creation systems. CBMs are defined by their focus on preserving the resource value of products, materials, and components throughout their lifecycle through reuse, refurbishment, remanufacturing, and recycling. Unlike traditional business models, which primarily generate profit through the sale of new products, CBMs prioritize resource efficiency, lifecycle optimization, and environmental risk mitigation. The study highlights the integration of environmental principles into value creation, the transformation of supply chains into closed-loop systems, and the development of service-oriented business formats such as product-as-a-service and extended producer responsibility frameworks. A central focus of the article is tactical planning as a key managerial tool for operationalizing strategic objectives of circular transformation. Tactical planning translates broad strategic goals–resource efficiency, closed loops, decarbonization, and servitization– into actionable programs, budgets, projects, and performance indicators. The article identifies five interrelated components of tactical planning: target-oriented, organizational-structural, investment-financial, innovationtechnological, and monitoring-analytical blocks, which collectively ensure coordinated implementation of circular initiatives. The study concludes that the integration of circular business models with systematic tactical planning strengthens enterprise competitiveness, economic resilience, and investment attractiveness. By enabling stepwise, controlled transformation, CBMs facilitate adaptation to regulatory, market, and environmental challenges. Thus, circular business models, operationalized through tactical planning, provide a methodologically and managerially robust foundation for sustainable enterprise development in the contemporary economic and ecological context.</jats:p>