The Value Hill framework can be easily enhanced with additional or new business models that have yet to be invented.

It categorises circular business models by the position they have in the value network according to their business activities. It therefore provides an easy to use tool for entrepreneurs to position them selves and explore gaps and opportunities in their circular value network.

To complete and substantiate the proposed Value Hill framework, business that are concerned with managing, supporting and connecting circular business models (i.e. Network Organisation) need to be further explored. More insight is to be gained from theory and practice around collaborative organisations and their potential business model logic.

In the future, iteratively testing and validating the Value Hill tool on different cases can also further substantiate it. This could result in different Value Hills for different product types, sectors or markets.