The purpose of the Small Business Administration is to

The purpose of the Small Business Administration is to: aid, counsel, assist and protect the interests" of small businesses, to preserve free enterprise and to maintain and strengthen the economy.

To give support to medium and small businesses.

Explanation:

Small Business Administration is an governmental agency aimed to support businesses, medium and small ones, through founding, advising, assisting and connect then with lenders in order to achieve their growth.