Circular s.r.l. is a consultancy firm specialized in sustainability strategy, especially in Social Life Cycle Assessment (S-LCA). Founded in 2021, the company was established with a clear mission: to support businesses, public institutions, and local networks in driving sustainable transition through innovative, science-based approaches. Backed by a highly skilled, interdisciplinary team, Circular transforms complex methodologies into practical strategies that generate measurable, positive impact.

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A recognized leader in S-LCA, Circular has played a pioneering role in the advancement of social impact assessment. It was the first company to develop a Social Product Declaration (SPD), marking a significant milestone in the field. This first SPD, created for the rolling stock of Hitachi Rail, introduced a new benchmark for transparency, comparability, and accountability in evaluating the social performance of products throughout their life cycles.

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In addition to its S-LCA leadership, Circular has extensive experience in sustainability assessment, integrating the environmental, social, and economic dimensions of sustainability through the Life Cycle Sustainability Assessment (LCSA) framework. This integrated approach allows the firm to provide data-driven insights that guide responsible decision-making across industries.

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Further demonstrating its leadership within the life cycle community, Circular was in the organizational committee of 2025 Life Cycle Management (LCM) Conference, hosted for the first time in Italy, in Palermo. The event brought together international experts, innovators, and practitioners dedicated to advancing life cycle thinking and sustainable development.