If you are a victim of an accident, you need to file a lawsuit against the person responsible for your damage an attorney helps you file the case and also gives you the best advice in your case.
Are you being harassed (verbally or physically) or threatened by a person from your close friends' group, your spouse, boyfriend or girlfriend? If yes, you are a victim of domestic violence.
If it's a legitimate bad review based from a bad customer experience, you can try reaching out to the other party and offer solutions to appease them such as offering discounts on their next...
As well as civil laws the UK also has laws pertaining to employment, covering both employers and employees, and these laws and bylaws are used when disputes arise between employers and employees.