Administrative Division - The Administrative Division is responsible for providing customer-oriented operational support to Department of Justice employees. This Division manages information systems, personnel programs, fiscal discipline, purchasing and supply, facilities, and oversees the immigration and naturalization related services provided to residents of Delaware. The Division is led by the Director of Operations and is divided into several groups. At present, those are Human Resources, Fiscal Unit, Supply & Purchasing, Information Technology and Service for Foreign Born.

Civil Division - The Civil Division is responsible for providing legal services to the officers, departments, boards, agencies, commissions, and instrumentalities of State government. The State Solicitor is appointed by the Attorney General and reports through the Chief Deputy Attorney General. Much like a private law firm, the Civil Division provides all legal advice in civil matters for the State of Delaware. The Civil Division is organized statewide into four groups Government Services, Departments & Agencies, Major Litigation and Family Services.

Criminal Division - The Criminal Division of the Department of Justice is responsible for the prosecution of criminal cases. Its mission is to represent the State in all criminal cases, and in so doing safeguard the constitutional rights of defendants and the human rights of victims and their families This responsibility includes the preparation and presentation of criminal cases before the Superior Court, the Court of Common Pleas, and in some matters before the Justice of the Peace Courts. The Criminal Division also provides legal assistance to other law enforcement agencies and maintains a Victim/Witness Assistance Program

Family Division - The Family Division is focused on protecting Delaware's families by securing justice for victims of domestic violence, and is responsible for handling cases involving child protection, child support, and juvenile delinquency and truancy.

Fraud Division - The Fraud and Consumer Protection Division protects the public from unfair and/or deceptive business practices. The division is divided into four major units: Consumer Protection, Securities, Fraud in Government, and Special Investigations. The Division is led by the Director.