diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid.go
index 79ff0cdd..a40ba4d4 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid.go
@@ -16,11 +16,13 @@ import (
 )
 
 const (
-	namespaceFlag    = "namespace"
-	subjectNameFlag  = "subject-name"
-	subjectKeyFlag   = "subject-key"
-	includeNamesFlag = "include-names"
-	groupNameFlag    = "group-name"
+	namespaceFlag      = "namespace"
+	subjectNameFlag    = "subject-name"
+	subjectKeyFlag     = "subject-key"
+	subjectAddressFlag = "subject-address"
+	includeNamesFlag   = "include-names"
+	groupNameFlag      = "group-name"
+	groupIDFlag        = "group-id"
 )
 
 var (
@@ -108,6 +110,36 @@ var (
 		},
 		Run: frostfsidListGroups,
 	}
+
+	frostfsidAddSubjectToGroupCmd = &cobra.Command{
+		Use:   "add-subject-to-group",
+		Short: "Add subject to group",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		Run: frostfsidAddSubjectToGroup,
+	}
+
+	frostfsidRemoveSubjectFromGroupCmd = &cobra.Command{
+		Use:   "remove-subject-from-group",
+		Short: "Remove subject from group",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		Run: frostfsidRemoveSubjectFromGroup,
+	}
+
+	frostfsidListGroupSubjectsCmd = &cobra.Command{
+		Use:   "list-group-subjects",
+		Short: "List subjects in group",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		Run: frostfsidListGroupSubjects,
+	}
 )
 
 func initFrostfsIDCreateNamespaceCmd() {
@@ -162,6 +194,28 @@ func initFrostfsIDListGroupsCmd() {
 	frostfsidListGroupsCmd.Flags().String(namespaceFlag, "", "Namespace to list groups")
 }
 
+func initFrostfsIDAddSubjectToGroupCmd() {
+	frostfsidCmd.AddCommand(frostfsidAddSubjectToGroupCmd)
+	frostfsidAddSubjectToGroupCmd.Flags().StringP(endpointFlag, endpointFlagShort, "", endpointFlagDesc)
+	frostfsidAddSubjectToGroupCmd.Flags().String(subjectAddressFlag, "", "Subject address")
+	frostfsidAddSubjectToGroupCmd.Flags().Int64(groupIDFlag, 0, "Group id")
+}
+
+func initFrostfsIDRemoveSubjectFromGroupCmd() {
+	frostfsidCmd.AddCommand(frostfsidRemoveSubjectFromGroupCmd)
+	frostfsidRemoveSubjectFromGroupCmd.Flags().StringP(endpointFlag, endpointFlagShort, "", endpointFlagDesc)
+	frostfsidRemoveSubjectFromGroupCmd.Flags().String(subjectAddressFlag, "", "Subject address")
+	frostfsidRemoveSubjectFromGroupCmd.Flags().Int64(groupIDFlag, 0, "Group id")
+}
+
+func initFrostfsIDListGroupSubjectsCmd() {
+	frostfsidCmd.AddCommand(frostfsidListGroupSubjectsCmd)
+	frostfsidListGroupSubjectsCmd.Flags().StringP(endpointFlag, endpointFlagShort, "", endpointFlagDesc)
+	frostfsidListGroupSubjectsCmd.Flags().String(namespaceFlag, "", "Namespace name")
+	frostfsidListGroupSubjectsCmd.Flags().Int64(groupIDFlag, 0, "Group id")
+	frostfsidListGroupSubjectsCmd.Flags().Bool(includeNamesFlag, false, "Whether include subject name (require additional requests)")
+}
+
 type ffsidMethodArgs struct {
 	name string
 	args []any
@@ -277,6 +331,48 @@ func frostfsidListGroups(cmd *cobra.Command, _ []string) {
 	}
 }
 
+func frostfsidAddSubjectToGroup(cmd *cobra.Command, _ []string) {
+	subjectAddress := getFrostfsIDSubjectAddress(cmd)
+	groupID, _ := cmd.Flags().GetInt64(groupIDFlag)
+
+	err := sendFrostfsIDTx(cmd, ffsidMethodArgs{name: "addSubjectToGroup", args: []any{subjectAddress, groupID}})
+	commonCmd.ExitOnErr(cmd, "add subject to namespace error: %w", err)
+}
+
+func frostfsidRemoveSubjectFromGroup(cmd *cobra.Command, _ []string) {
+	subjectAddress := getFrostfsIDSubjectAddress(cmd)
+	groupID, _ := cmd.Flags().GetInt64(groupIDFlag)
+
+	err := sendFrostfsIDTx(cmd, ffsidMethodArgs{name: "removeSubjectFromGroup", args: []any{subjectAddress, groupID}})
+	commonCmd.ExitOnErr(cmd, "remove subject to namespace error: %w", err)
+}
+
+func frostfsidListGroupSubjects(cmd *cobra.Command, _ []string) {
+	ns, _ := cmd.Flags().GetString(namespaceFlag)
+	groupID, _ := cmd.Flags().GetInt64(groupIDFlag)
+	includeNames, _ := cmd.Flags().GetBool(includeNamesFlag)
+
+	ffsid, err := frostfsIDClient(cmd)
+	commonCmd.ExitOnErr(cmd, "init contract client: %w", err)
+
+	subjects, err := ffsid.ListGroupSubjects(ns, groupID)
+	commonCmd.ExitOnErr(cmd, "list group subjects: %w", err)
+
+	sort.Slice(subjects, func(i, j int) bool { return subjects[i].Less(subjects[j]) })
+
+	for _, subjAddr := range subjects {
+		if !includeNames {
+			cmd.Println(address.Uint160ToString(subjAddr))
+			continue
+		}
+
+		subj, err := ffsid.GetSubject(subjAddr)
+		commonCmd.ExitOnErr(cmd, "get subject: %w", err)
+
+		cmd.Printf("%s (%s)\n", address.Uint160ToString(subjAddr), subj.Name)
+	}
+}
+
 func sendFrostfsIDTx(cmd *cobra.Command, methodArgs ...ffsidMethodArgs) error {
 	wCtx, err := newInitializeContext(cmd, viper.GetViper())
 	if err != nil {
diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
index 529d98dd..dc7e581e 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
@@ -41,20 +41,9 @@ func getFrostfsIDSubjectKey(cmd *cobra.Command) *keys.PublicKey {
 	return subjKey
 }
 
-//func decodeFrostfsIDNamespaces(resStack []stackitem.Item) ([]string, error) {
-//	var res []string
-//
-//	if len(resStack) == 0 {
-//		return res, nil
-//	}
-//
-//	if len(resStack) > 0 {
-//		nodes, err := decodeNodeList(resStack[0])
-//		if err != nil {
-//			return nil, err
-//		}
-//
-//		nm.SetNodes(nodes)
-//	}
-//
-//}
+func getFrostfsIDSubjectAddress(cmd *cobra.Command) util.Uint160 {
+	subjAddress, _ := cmd.Flags().GetString(subjectAddressFlag)
+	subjAddr, err := address.StringToUint160(subjAddress)
+	commonCmd.ExitOnErr(cmd, "invalid subject address: %w", err)
+	return subjAddr
+}
diff --git a/cmd/frostfs-adm/internal/modules/morph/root.go b/cmd/frostfs-adm/internal/modules/morph/root.go
index 6db26217..600fe21c 100644
--- a/cmd/frostfs-adm/internal/modules/morph/root.go
+++ b/cmd/frostfs-adm/internal/modules/morph/root.go
@@ -303,6 +303,9 @@ func init() {
 	initFrostfsIDCreateGroupCmd()
 	initFrostfsIDDeleteGroupCmd()
 	initFrostfsIDListGroupsCmd()
+	initFrostfsIDAddSubjectToGroupCmd()
+	initFrostfsIDRemoveSubjectFromGroupCmd()
+	initFrostfsIDListGroupSubjectsCmd()
 }
 
 func initProxyAddAccount() {