Nickel-based electrodeposits are extensively used to protect mild steel. The graphene-based materials as corrosion resistive coatings for metallic substrates have been attracted researchers due to their ability to prevent the metal surface. Herein, nickel and nickel reduced graphene oxide (Ni-rGO) composite coatings have been electrodeposited on mild steel using sulphate bath solution. The morphological results reveal that the Ni-rGO coatings exhibited a smaller grain size with less surface defects. It was observed from the scanning electron micrographs images that composite coatings are porous free. The anti-corrosion properties of coatings were further examined by salt spray test. The electrochemical polarization and impedance measurements revealed that Ni-rGO coating enhances the corrosion resistance of mild steel. Electrochemical measurements revealed that the insertion of a few-layered rGO to the Ni matrix increases the corrosion resistance properties of the Ni-rGO coatings.