Amorphous Al-based alloys are strong, ductile and corrosion resistant. They are used widely in various fields. Oligomeric films are used to modify amorphous alloys. Еlectrochemical characteristics of amorphous metal alloys Al 87,0 Gd 5,0 Ni 8,0 and Al 87,0 Gd 5,0 Ni 4,0 Fe 4,0 in aqueous-ammonia solution of oligoperoxide (OP) based on vinyl acetate, 2-tert-butylperoxy-2-methyl-5-hexen-3-yne and maleic anhydride was investigated by cyclic voltammetry and electrochemical impedance spectroscopy. The affinity of the oligomeric coating to metal surfaces was evaluated based on the value of the wetting (cosθ) with respective solutions and the calculated values of the work of adhesion. Higher adhesion activity of contact surfaces of tapes to oligoperoxide solutions is observed. The formation of protective surface layers is indicated by the change in the electrochemical parameters of samples of amorphous alloys Al 87 Gd 5 Ni 8 and Al 87 Gd 5 Ni 4 Fe 4 in a medium of 1 % aqueous-ammonia solution of oligoperoxide, namely the expansion of the passive region on the current-voltage curve, indicates. The oligoperoxide layer formed on the surface of the alloy obtained with Fe additives shows greater resistance to polarization. The strength of oligoperoxide layers formed on the surface of aluminum amorphous alloys in 0.1 M NaCl (aq.) was estimated. For Al 87 Gd 5 Ni 8 we observed a shift of corrosion potentials to the anode side, some decrease in corrosion currents and polarization resistance. In the case of Al 87 Gd 5 Ni 4 Fe 4 , the corrosion potential is slightly shifted to the cathode side, and the value of the polarization resistance is 2-6 times higher, which confirms the higher affinity of the oligoperoxide layers. The results of studies of modified samples by electrochemical impedance spectroscopy showed that on the surface of the amorphous alloy Al 87 Gd 5 Ni 4 Fe 4 in aqueous-ammonia solution OP on the surface formed a highly conductive layer of oligoperoxide. It shows low charge transfer resistance, which changes very little during electrochemical studies in 0.1 M aqueous sodium chloride solution. Keywords : amorphous metallic alloy, aluminum, electrochemical characteristics, oligomeric coatings.