Project evaluation is a viable alternative that reduces the risk of an investment. The purpose of this paper was to evaluate an investment proposal, without having debts with third parties, for feedlot cattle in a region in the South of the State of Mexico in 2017, through the methodology of formulation and evaluation of projects under certainty. Results showed the existence of commercial, technical and financial viability. Over a five-year period and a minimum acceptable rate of return of 12%, the project is paid and generates a NAV of $ 279,398, an IRR of 18.20% and a MIRR (Modified Internal Rate of Return) of 16.60%. The investment was recovered in 4.70 years. It can be concluded that under the value of profitability indicators, the project is profitable indeed, although, it has some risk of incurring losses, however, the investment is highly recommended.