THE BCG MATRIX, PORTER'S FIVE FORCES, and THE ANSOFF MATRIX The Boston Consulting group’s product portfolio matrix (BCG matrix) is designed to help with long-term strategic planning, to help a business consider growth opportunities by reviewing its portfolio of products to decide where to invest, to discontinue or develop products. It's also known as the Growth/Share Matrix. The Matrix is divided into 4 quadrants based on an analysis of market growth and relative market share