The Circular Economy (CE) is frequently referred to as a chance to address the social and environmental problems brought on by the current, unsustainable linear economic structure. It is envisaged that the establishment of a CE will alter how companies and supply chains deliver goods and services and that it will also cause a paradigm shift in how individuals and groups use and consume those resources. It is essential to evaluate the implementation process using methodologies that provide an overview of those multiple circularity features due to the multidimensional nature of CE and the numerous practises that must be taken into account in practise.

Survey research on Public Sector Organizations (PSO) examining the current level of implementation will therefore significantly contribute to addressing the current gaps in CE research and providing practitioners with information on the current awareness and implementation of CE in the public sector. One method the public sector can encourage supply chains to embrace sustainable and circular practises is through public procurement efforts for the circular economy (PP). The literature on CE regularly highlights the possibility of circular public procurement (CPP) as a tool for the public sector to foster innovation, the creation of new markets that are consistent with a CE, and to speed up the shift towards circularity. Larger-scale plans that reimagine supplier and system-level purchasing to support new business models employing pay-per-use contracts, performance-based contracts, or buy-and-sell back contracts are among the other CPP projects. One of the product categories of procurement that has garnered the most interest from researchers and is being explored for implementation is construction, followed by furniture, ICT products, and transportation. The public administration sector conducts a wide range of activities and jobs. It is recognised that the public sector offers a range of infrastructure and services, such as the provision of water, energy, and wastewater. Operations for central PSOs often have an administrative focus and take place in office buildings in the current situation.

The public sector of the economy must adopt circularity in PSO operations and circular purchasing. The findings suggest that when it comes to R-based practises, it is preferable to approach CE implementation in the public sector from a consumer-focused perspective that is focused on resource use. In light of this, R-based strategies like refuse, reduce, reuse, repair, and recycle are more crucial than those that are centred on the creation of goods and materials for industrial or manufacturing firms, which also have policies like remanufacture or refurbish. Most of their environmental sustainability efforts centre on improving efficiency to cut down on waste and carbon emissions. For the public sector, managing and preserving historic buildings that might not be able to accommodate such efficiency upgrades could be another problem.

The public sector has a great opportunity to reduce consumption, waste, and apply circularity at the organisational and systemic levels thanks to sharing economy best practises. Under the reduce or reuse categories of R-based behaviours, the concurrent or sequential use of goods or equipment, as well as the giving of goods, can all be characterised as sharing practises. Waste is decreased and product lifespans are increased as a result. Despite the fact that peer-to-peer asset sharing and renting have been advocated as CE practises appropriate for the public sector, the literature has identified a number of issues that need to be addressed. Across these challenges are the potential differences in time availability and resource access among the various PSOs, as well as the dependency on the platform and the providers. The decoupling of economic growth from resource extraction and degradation, as well as material circulation, are said to be the three main focuses of CE in the public sector.