Boost Google Rating to Five Stars

My Google profile is currently sitting at 4 stars, held back mostly by a handful of negative reviews I have already pinpointed. I need expert help to neutralize the impact of those comments and rebuild my public image until the overall rating lands solidly at 5 stars... (Budget: $30 - $250 USD, Jobs: Business Analysis, Content Writing, Copywriting, Internet Marketing, Marketing, Public Relations, SEO, Social Media Management)