YES 
You are the only person who has the authority to undertake all the actions to do this.
Take control – repairing your credit history will also help you to take control of your financial life.
This guide can help – this page lists many of the items you can start doing to repair your credit rating.
Credibble.com can make this process easier for you by providing valuable insights into specifically what you need to do based on your individual credit history – though it’s you that will be actioning the suggestions.