The Carbon Accounting Company | 1,592 followers on LinkedIn. The Carbon Accounting Company™ (TCAC) applies expert guidance and professional services around the quantification, validation and reporting of greenhouse gas emissions and other environmental impacts. Our services include: greenhouse gas inventories, environmental sustainability programs, environmental software design & management, energy & utility management, carbon and water footprints, life cycle assessments, supply chain analysis, CSR & CDP reports, carbon financing, and carbon offset projects. We enhance your economic sustainability by guiding you toward environmental sustainability.