Kenya's waste management and circularity sector is rapidly emerging as a critical area for sustainable investment. Across the ten sub-sectors and 122 businesses identified within this space in KOIS and ANDE’s Introductory Guide to Investing in the Waste and Circularity Sector in Kenya , four key sub-sectors have demonstrated particularly high potential for investment. Those sub-sectors are organic waste, plastic waste, wastewater, and integrated waste management. This investment guide outlines the complex landscape of the sector, highlighting critical financing needs and investment strategies. While detailed deep-dive guides have been developed to explore each of the four key subsectors, this guide focuses on the financial dynamics that underpin successful investments. It examines the varying financing needs across the different stages of business maturity and sub-sectors. Moreover, it highlights the key factors of success for waste management and circularity businesses, investment trends, gaps and opportunities for innovative finance solutions that could shape the sector. Finally, this guide provides insights into how investors can strategically position themselves and better catalyse investment to grow the sector.