diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid/additional_keys.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid/additional_keys.go
new file mode 100644
index 000000000..4046e85e3
--- /dev/null
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid/additional_keys.go
@@ -0,0 +1,83 @@
+package frostfsid
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
+	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	frostfsidAddSubjectKeyCmd = &cobra.Command{
+		Use:   "add-subject-key",
+		Short: "Add a public key to the subject in frostfsid contract",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(commonflags.AlphabetWalletsFlag, cmd.Flags().Lookup(commonflags.AlphabetWalletsFlag))
+			_ = viper.BindPFlag(commonflags.EndpointFlag, cmd.Flags().Lookup(commonflags.EndpointFlag))
+		},
+		Run: frostfsidAddSubjectKey,
+	}
+	frostfsidRemoveSubjectKeyCmd = &cobra.Command{
+		Use:   "remove-subject-key",
+		Short: "Remove a public key from the subject in frostfsid contract",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(commonflags.AlphabetWalletsFlag, cmd.Flags().Lookup(commonflags.AlphabetWalletsFlag))
+			_ = viper.BindPFlag(commonflags.EndpointFlag, cmd.Flags().Lookup(commonflags.EndpointFlag))
+		},
+		Run: frostfsidRemoveSubjectKey,
+	}
+)
+
+func initFrostfsIDAddSubjectKeyCmd() {
+	Cmd.AddCommand(frostfsidAddSubjectKeyCmd)
+
+	ff := frostfsidAddSubjectKeyCmd.Flags()
+	ff.StringP(commonflags.EndpointFlag, commonflags.EndpointFlagShort, "", commonflags.EndpointFlagDesc)
+	ff.String(commonflags.AlphabetWalletsFlag, "", commonflags.AlphabetWalletsFlagDesc)
+
+	ff.String(subjectAddressFlag, "", "Subject address")
+	_ = frostfsidAddSubjectKeyCmd.MarkFlagRequired(subjectAddressFlag)
+
+	ff.String(subjectKeyFlag, "", "Public key to add")
+	_ = frostfsidAddSubjectKeyCmd.MarkFlagRequired(subjectKeyFlag)
+}
+
+func initFrostfsIDRemoveSubjectKeyCmd() {
+	Cmd.AddCommand(frostfsidRemoveSubjectKeyCmd)
+
+	ff := frostfsidRemoveSubjectKeyCmd.Flags()
+	ff.StringP(commonflags.EndpointFlag, commonflags.EndpointFlagShort, "", commonflags.EndpointFlagDesc)
+	ff.String(commonflags.AlphabetWalletsFlag, "", commonflags.AlphabetWalletsFlagDesc)
+
+	ff.String(subjectAddressFlag, "", "Subject address")
+	_ = frostfsidAddSubjectKeyCmd.MarkFlagRequired(subjectAddressFlag)
+
+	ff.String(subjectKeyFlag, "", "Public key to remove")
+	_ = frostfsidAddSubjectKeyCmd.MarkFlagRequired(subjectKeyFlag)
+}
+
+func frostfsidAddSubjectKey(cmd *cobra.Command, _ []string) {
+	addr := getFrostfsIDSubjectAddress(cmd)
+	pub := getFrostfsIDSubjectKey(cmd)
+
+	ffsid, err := newFrostfsIDClient(cmd)
+	commonCmd.ExitOnErr(cmd, "init contract client: %w", err)
+
+	ffsid.addCall(ffsid.roCli.AddSubjectKeyCall(addr, pub))
+
+	err = ffsid.sendWait()
+	commonCmd.ExitOnErr(cmd, "add subject key: %w", err)
+}
+
+func frostfsidRemoveSubjectKey(cmd *cobra.Command, _ []string) {
+	addr := getFrostfsIDSubjectAddress(cmd)
+	pub := getFrostfsIDSubjectKey(cmd)
+
+	ffsid, err := newFrostfsIDClient(cmd)
+	commonCmd.ExitOnErr(cmd, "init contract client: %w", err)
+
+	ffsid.addCall(ffsid.roCli.RemoveSubjectKeyCall(addr, pub))
+
+	err = ffsid.sendWait()
+	commonCmd.ExitOnErr(cmd, "remove subject key: %w", err)
+}
diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid/root.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid/root.go
index 850474794..6ffcaa487 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid/root.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid/root.go
@@ -12,4 +12,6 @@ func init() {
 	initFrostfsIDAddSubjectToGroupCmd()
 	initFrostfsIDRemoveSubjectFromGroupCmd()
 	initFrostfsIDListGroupSubjectsCmd()
+	initFrostfsIDAddSubjectKeyCmd()
+	initFrostfsIDRemoveSubjectKeyCmd()
 }