How unsolicited proposals for public projects are handled
When a company proposes a public project itself: the laws, review steps, competitive tests and published cases, country by country, from statutes and PPP units, dated. Updated 20 October 2026.
Explainers
- The Swiss challenge explained
How the Swiss challenge works, what the 2017 World Bank guidelines say about it, and the rules in the Philippines, Andhra Pradesh and Nigeria.
- Unsolicited proposals explained
What an unsolicited proposal is, what the 2017 World Bank and PPIAF guidelines say, and the three ways governments add competition to one.
Countries
- Kenya: privately initiated PPP proposals
Kenya's PPP Act 2021 rules for privately initiated proposals: the review fee, the PPP Directorate and Committee, deadlines and published decisions.
- Philippines: unsolicited PPP proposals
Unsolicited PPP proposals in the Philippines: the BOT Law, the 2022 implementing rules, the PPP Code of 2023, the PPP Center and the Swiss challenge.
Unsolicited Proposals is published by Onward Africa, a communications firm. It is not a government website. Our methodology page explains who we are and how we check every figure.