The ESG ecosystem, which has grown since the UN Environment Program Finance in 2005, has evolved into more complex ESG arrangements in all sectors, all with the common goal of improving ESG performance. As a global public company, Halliburton is directly connected to the international market, necessitating the need for bonds in international markets, access to capital investment, and debt refinancing. Bondholders expect global energy companies such as Halliburton to comply with ESG principles, as they are crucial references in responsible and sustainable investing. This research consists of a case study on the implementation of ESG at Halliburton, utilizing MSCI's research criteria to support Halliburton's business sustainability. The study is conducted using secondary data as the primary source, with interviews with Halliburton management serving as a verification method. The research findings indicate that Halliburton has implemented ESG principles in its business activities, with the implementation of ESG linking to five value creation, namely top-line growth, cost reduction, regulatory and legal interventions, productivity uplift, and investment and assets optimisation, being a key aspect of the business sustainability model.

Keywords: business sustainability, ESG, energy industry