In January 2014, Patrimonio Hoy (PH; Spanish for Patrimony Today), a subsidiary of the multinational Mexican cement manufacturer CEMEX, joined the Business Call to Action (Bcta) with the objective of strengthening its inclusive business model through this strategic partnership. The Bcta is helping PH and CEMEX to define international standards for measuring social and economic impacts in the housing sector, while PH provides needed inputs and undertakes the groundwork required for these measurements. Through an internationally recognized impact-reporting framework, this partnership will further strengthen PH’s reputation as a leader in inclusive business. Business Model is the lack of affordable housing is a severe problem for low-income families in Mexico. Insufficient access to financing and materials along with a lack of technical skills preclude low-income families from living in safe and adequate conditions. In order to understand this problem better and serve low-income communities with a market-based solution, CEMEX invested in extensive research and analysis. As a result, PH was founded in 1998 to provide low-income families with access to financing, building materials, technical expertise and related services, allowing them to build or expand their homes more quickly and efficiently. This inclusive business model aims to provide low-income families in urban and semi-urban areas with access to affordable housing through flexible and customized products and services.PH has attained national coverage in Mexico (29 states, 56 cities) and has expanded across Latin America to Costa Rica, Colombia, the Dominican Republic, Nicaragua and Panama. The success of PH has spurred CEMEX to replicate this business model in other developing countries and develop additional inclusive businesses that address the needs of low-income communities.