Yes, she started the Missionaries of Charity.
She founded the Missionaries of Charity.
Mother Teresa founded the Missionary Sisters of Charity. Actually, the Missionaries of Charity are not just sisters. The group also has priests, brothers and lay volunteers who are both Catholic and non Catholic.
Mother Teresa did not start a company, she founded the Missionaries of Charity who work in a variety of charitable situations including orphanages.
Mother Teresa started it, now go look up the information yourself
She entered the convent at the age of 18 - about the year 1928.
Mother Teresa did not start a 'business' but a religious order called the Missionaries of Charity. It received approval of the pope in 1950. It was started originally to provide hospice care for the poor left to die on the streets of Calcutta but expanded to help in many other areas as well.
She started in Calcutta, India, but her Missionaries of Charity eventually ended up working in nearly every country on earth.
Mother Teresa opened the first Home for the Dying in Calcutta in 1952.
Calcutta
Teresa was the name she chose upon becoming a nun. The title 'Mother' was a title given by the Sisters of Loreto to all nuns in the order.
She left the Sister of Loreto in 1948 and began her mission of helping the poor. In 1950 Pope Pius XII approved her constitution for the Missionaries of Charity.
In a open field