diff --git a/tests/bluetooth/tester/prj.conf b/tests/bluetooth/tester/prj.conf
index 92303fa..23b0f0d 100644
--- a/tests/bluetooth/tester/prj.conf
+++ b/tests/bluetooth/tester/prj.conf
@@ -24,6 +24,9 @@
 CONFIG_BT_EATT_MAX=5
 CONFIG_BT_FILTER_ACCEPT_LIST=y
 CONFIG_BT_EATT_AUTO_CONNECT=n
+CONFIG_BT_MAX_CONN=2
+CONFIG_BT_MAX_PAIRED=2
+CONFIG_BT_GATT_NOTIFY_MULTIPLE=y
 
 CONFIG_BT_MESH=y
 CONFIG_BT_MESH_RELAY=y
diff --git a/tests/bluetooth/tester/src/bttester.h b/tests/bluetooth/tester/src/bttester.h
index d70023a..2a60f6f 100644
--- a/tests/bluetooth/tester/src/bttester.h
+++ b/tests/bluetooth/tester/src/bttester.h
@@ -732,6 +732,13 @@
 
 #define GATT_READ_MULTIPLE_VAR		0x20
 
+#define GATT_NOTIFY_MULTIPLE		0x21
+struct gatt_cfg_notify_mult_cmd {
+	uint8_t address_type;
+	uint8_t address[6];
+	uint16_t cnt;
+	uint16_t attr_id[];
+} __packed;
 /* GATT events */
 #define GATT_EV_NOTIFICATION		0x80
 struct gatt_notification_ev {
diff --git a/tests/bluetooth/tester/src/gatt.c b/tests/bluetooth/tester/src/gatt.c
index 1dbdd21..c2069b9 100644
--- a/tests/bluetooth/tester/src/gatt.c
+++ b/tests/bluetooth/tester/src/gatt.c
@@ -9,6 +9,7 @@
 #include <zephyr/types.h>
 #include <string.h>
 #include <errno.h>
+#include <stdlib.h>
 
 #include <zephyr/toolchain.h>
 #include <zephyr/bluetooth/att.h>
@@ -220,6 +221,7 @@
 	tester_set_bit(cmds, GATT_DISC_ALL_PRIM);
 	tester_set_bit(cmds, GATT_READ_MULTIPLE_VAR);
 	tester_set_bit(cmds, GATT_EATT_CONNECT);
+	tester_set_bit(cmds, GATT_NOTIFY_MULTIPLE);
 
 	tester_send(BTP_SERVICE_ID_GATT, GATT_READ_SUPPORTED_COMMANDS,
 		    CONTROLLER_INDEX, (uint8_t *) rp, sizeof(cmds));
@@ -1908,6 +1910,67 @@
 	tester_rsp(BTP_SERVICE_ID_GATT, op, CONTROLLER_INDEX, status);
 }
 
+
+#if defined(CONFIG_BT_GATT_NOTIFY_MULTIPLE)
+static void notify_cb(struct bt_conn *conn, void *user_data)
+{
+	LOG_DBG("Nofication sent");
+}
+
+static void notify_mult(uint8_t *data, uint16_t len, uint16_t op)
+{
+	const struct gatt_cfg_notify_mult_cmd *cmd = (void *) data;
+	const size_t max_cnt = CONFIG_BT_L2CAP_TX_BUF_COUNT;
+	struct bt_gatt_notify_params params[max_cnt];
+	struct bt_conn *conn;
+	const size_t min_cnt = 1U;
+	int err = 0;
+	uint8_t status = BTP_STATUS_SUCCESS;
+	uint16_t attr_data_len = 0;
+
+	conn = bt_conn_lookup_addr_le(BT_ID_DEFAULT, (bt_addr_le_t *)data);
+	if (!conn) {
+		status = BTP_STATUS_FAILED;
+		goto rsp;
+	}
+
+	if (!IN_RANGE(cmd->cnt, min_cnt, max_cnt)) {
+		LOG_ERR("Invalid count value %d (range %zu to %zu)",
+			    cmd->cnt, min_cnt, max_cnt);
+
+		status = BTP_STATUS_FAILED;
+		goto rsp;
+	}
+
+	(void)memset(params, 0, sizeof(params));
+
+	for (uint16_t i = 0U; i < cmd->cnt; i++) {
+		struct bt_gatt_attr attr = server_db[cmd->attr_id[i] -
+			server_db[0].handle];
+
+		attr_data_len = strtoul(attr.user_data, NULL, 16);
+		params[i].uuid = 0;
+		params[i].attr = &attr;
+		params[i].data = &attr.user_data;
+		params[i].len = attr_data_len;
+		params[i].func = notify_cb;
+		params[i].user_data = NULL;
+	}
+
+	err = bt_gatt_notify_multiple(conn, cmd->cnt, params);
+	if (err != 0) {
+		LOG_ERR("bt_gatt_notify_multiple failed: %d", err);
+		status = BTP_STATUS_FAILED;
+		goto rsp;
+	} else {
+		LOG_DBG("Send %u notifications", cmd->cnt);
+	}
+
+rsp:
+	tester_rsp(BTP_SERVICE_ID_GATT, op, CONTROLLER_INDEX, status);
+}
+#endif /* CONFIG_BT_GATT_NOTIFY_MULTIPLE */
+
 struct get_attrs_foreach_data {
 	struct net_buf_simple *buf;
 	struct bt_uuid *uuid;
@@ -2174,6 +2237,9 @@
 	case GATT_EATT_CONNECT:
 		eatt_connect(data, len);
 		return;
+	case GATT_NOTIFY_MULTIPLE:
+		notify_mult(data, len, opcode);
+		return;
 	default:
 		tester_rsp(BTP_SERVICE_ID_GATT, opcode, index,
 			   BTP_STATUS_UNKNOWN_CMD);