Having as reference the text that follows, there is consistent information in:

Mixed capital companies are registered companies whose capital belongs partly to a local public Administration or several local public Administrations and partly to a private partner or several private partners, with the main goal of managing a public service or an economic activity of general interest. The private partner often provides initial capital; becomes a minority shareholder; develops and implements the strategic and investment plans of the company (Business Plan); incorporates technologies and solutions of high added value; modernizes technical processes and management practices to improve the efficiency of the service (know-how and best practices); provides key high-level staff. Furthermore, the public partner keeps the majority of shares; nominates its members of the board of directors; controls, through a regulatory commission, the performance of the company and establishes the main lines. Some of the leverages taken are: long contract period; secure framework; known investment return; authority engagement; release of funds; efficient management; recurrent cash-flow to the original funds; flexibility to enlarge towards collateral services; good population perception. Nonetheless, drawbacks that ought to be averted are: risk of public involvement on management autonomy; oversizing of employees and investments; highmanagement costs; relatively complex establishment of legal framework; hassle to terminate the partnership in case of negligence or dissatisfaction.

(Available in: https://unece.org. Adapted.)