The phrase 'essential to gaining' is correct and usable in written English.
You can use it when you want to indicate that something is an important factor in achieving a particular goal. For example, "Hard work is essential to gaining success."
In all cases, Parkin sees transparency as essential to gaining trust.
"This was essential to gaining their confidence," she said of Sartre, de Beauvoir, Malraux and Breton.
This distance between yourself and the character is essential to gaining an understanding of where the humour will lie.
An understanding of their meaning is essential to gaining any serious knowledge of the Islamic view of Muhammad or what some have called Islamic prophetology.
Therefore, improving performance is widely recognized as essential to gaining an extra competitive edge.
Our data demonstrate that an esker map is a minimum map of ice-walled channel location and that continued detailed investigation of morpho-sedimentary relationships is essential to gaining a complete picture of esker forming processes.
Clinics for adolescents are keenly conscious that the promise of confidential care is essential to gain and hold their young patients' trust.
She writes: Clinics for adolescents are keenly conscious that the promise of confidential care is essential to gain and hold their young patients' trust.
Research involving genetic modification of human embryos, though controversial, is essential to gain basic understanding of the biology of early embryos and should be permitted, an international group of experts said on Wednesday.
In light of those trends, Verizon deemed it essential to gain control of its biggest business, which in the most recent quarter accounted for $20 billion of the company's nearly $30 billion in revenue.
In September, meanwhile, a global network of stem cell researchers, bioethicists and policy experts known as the Hinxton Group released a statement that research involving human genome editing is essential to gain a basic understanding of the biology of human embryos, although it doesn't currently believe gene-edited babies should be born.
