Suppress Unwanted Article on Google

I’m looking for a proven way to move a single, unflattering article about my company and partners off the first page of Google. I don’t want shortcuts or black-hat tricks; I’m after a sustainable, reputation-friendly... (Budget: ₹12500 - ₹37500 INR, Jobs: Article Writing, Blog Writing, Content Marketing, Content Strategy, Content Writing, Digital Marketing, Internet Marketing, Keyword Research, SEO, Social Media Marketing)