1. Private Investigator: A private investigator is a professional that conducts investigations, often for a private citizen, business or lawyer. They can use their law enforcement experience to provide investigative services such as background checks, corporate investigations and locating witnesses or missing persons.

2. Security Consultant: Security consultants use their law enforcement experience to advise businesses and individuals on security issues and best practices. Services they provide may include security risk assessments, developing security operations plans, conducting security system audits and providing training for employees.

3. Bail Bonds Service: A bail bonds service is a business that helps individuals who are arrested to post bail, allowing them to be released from jail before their court date. Law enforcement officers can use their knowledge of the criminal justice system to start their own bail bonds business.

4. Process Serving: Process serving is an important service for attorneys. It involves delivering documents, such as subpoenas and summonses, to the people who are named in them. Law enforcement officers can use their experience to provide process serving services for attorneys.

5. Security Guard Services: Security guard services provide trained guards to businesses, organizations and individuals to protect property, assets and people. As a former law enforcement officer, you can start a security guard service to provide a valuable service to your community.