This is a grammatically correct and usable phrase in written English.
You could use it in a sentence such as, "She contributed much to the growth of the company's profits."
Around 1900, Korteweg was the most important and influential mathematician in the Netherlands, and he contributed much to the internationalisation of Dutch mathematics.
That fact has contributed much to the city's reputed personality.
Jones also contributed much to the arrangement of songs.
It is true that Judaism and Christianity have contributed much to the Western understanding of marriage.
So far, newspapers have not contributed much to the bottom line.
The silkworm has contributed much to the silk industry, for which Thailand has become famous.
Spectroscopy has contributed much to the understanding of isotopes, and vice versa.
His mature works contributed much to the foundations of purely abstract painting in the 20th century.
Mr. Amery contributed, much to the annoyance of Blanche, who felt the request unreasonable.
Iranians contributed much to the development of the scholarly traditions of Islam.
But the childless will not have contributed much to the cost of raising that generation.
