The phrase "immense pleasure" means a great deal of happiness or enjoyment. It is an expression used to describe a feeling of immense satisfaction or delight that comes from experiencing something enjoyable.
We truly love our jobs and we take immense pleasure in supporting businesses who share our passion for weddings, great customer service and good old fashioned love. (lovemydress.net)
She has a ridiculous attention to detail and finds immense pleasure in creating and completing to - do lists. (booklaunchers.com)