diff --git a/tools/mgmt-tester.c b/tools/mgmt-tester.c
index 01a10de..d26184f 100644
--- a/tools/mgmt-tester.c
+++ b/tools/mgmt-tester.c
@@ -1805,6 +1805,83 @@ static const struct generic_data stop_discovery_invalid_param_test_1 = {
 	.expect_len = sizeof(stop_discovery_bredrle_invalid_param),
 };
 
+static const char start_service_discovery_invalid_param[] = { 0x00, 0x00, 0x00, 0x00 };
+static const char start_service_discovery_invalid_resp[] = { 0x00 };
+static const char start_service_discovery_bredr_param[] = { 0x01, 0x00, 0x00, 0x00};
+static const char start_service_discovery_bredr_resp[] = { 0x01 };
+static const char start_service_discovery_le_param[] = { 0x06, 0x00, 0x01, 0x00,
+			0xfa, 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00,
+			0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00 };
+static const char start_service_discovery_le_resp[] = { 0x06 };
+static const char start_service_discovery_bredrle_param[] = { 0x07, 0x00, 0x01, 0x00,
+			0xfa, 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00,
+			0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00 };
+static const char start_service_discovery_bredrle_resp[] = { 0x07 };
+static const char start_service_discovery_valid_hci[] = { 0x01, 0x01 };
+static const char start_service_discovery_evt[] = { 0x07, 0x01 };
+static const char start_service_discovery_le_evt[] = { 0x06, 0x01 };
+
+static const struct generic_data start_service_discovery_not_powered_test_1 = {
+	.send_opcode = MGMT_OP_START_SERVICE_DISCOVERY,
+	.send_param = start_service_discovery_bredr_param,
+	.send_len = sizeof(start_service_discovery_bredr_param),
+	.expect_status = MGMT_STATUS_NOT_POWERED,
+	.expect_param = start_service_discovery_bredr_resp,
+	.expect_len = sizeof(start_service_discovery_bredr_resp),
+};
+
+static const struct generic_data start_service_discovery_invalid_param_test_1 = {
+	.setup_settings = settings_powered,
+	.send_opcode = MGMT_OP_START_SERVICE_DISCOVERY,
+	.send_param = start_service_discovery_invalid_param,
+	.send_len = sizeof(start_service_discovery_invalid_param),
+	.expect_status = MGMT_STATUS_INVALID_PARAMS,
+	.expect_param = start_service_discovery_invalid_resp,
+	.expect_len = sizeof(start_service_discovery_invalid_resp),
+};
+
+static const struct generic_data start_service_discovery_not_supported_test_1 = {
+	.setup_settings = settings_powered,
+	.send_opcode = MGMT_OP_START_SERVICE_DISCOVERY,
+	.send_param = start_service_discovery_le_param,
+	.send_len = sizeof(start_service_discovery_le_param),
+	.expect_status = MGMT_STATUS_REJECTED,
+	.expect_param = start_service_discovery_le_resp,
+	.expect_len = sizeof(start_service_discovery_le_resp),
+};
+
+static const struct generic_data start_service_discovery_valid_param_test_1 = {
+	.setup_settings = settings_powered_le,
+	.send_opcode = MGMT_OP_START_SERVICE_DISCOVERY,
+	.send_param = start_service_discovery_bredrle_param,
+	.send_len = sizeof(start_service_discovery_bredrle_param),
+	.expect_status = MGMT_STATUS_SUCCESS,
+	.expect_param = start_service_discovery_bredrle_resp,
+	.expect_len = sizeof(start_service_discovery_bredrle_resp),
+	.expect_hci_command = BT_HCI_CMD_LE_SET_SCAN_ENABLE,
+	.expect_hci_param = start_service_discovery_valid_hci,
+	.expect_hci_len = sizeof(start_service_discovery_valid_hci),
+	.expect_alt_ev = MGMT_EV_DISCOVERING,
+	.expect_alt_ev_param = start_service_discovery_evt,
+	.expect_alt_ev_len = sizeof(start_service_discovery_evt),
+};
+
+static const struct generic_data start_service_discovery_valid_param_test_2 = {
+	.setup_settings = settings_powered,
+	.send_opcode = MGMT_OP_START_SERVICE_DISCOVERY,
+	.send_param = start_service_discovery_le_param,
+	.send_len = sizeof(start_service_discovery_le_param),
+	.expect_status = MGMT_STATUS_SUCCESS,
+	.expect_param = start_service_discovery_le_resp,
+	.expect_len = sizeof(start_service_discovery_le_resp),
+	.expect_hci_command = BT_HCI_CMD_LE_SET_SCAN_ENABLE,
+	.expect_hci_param = start_service_discovery_valid_hci,
+	.expect_hci_len = sizeof(start_service_discovery_valid_hci),
+	.expect_alt_ev = MGMT_EV_DISCOVERING,
+	.expect_alt_ev_param = start_service_discovery_le_evt,
+	.expect_alt_ev_len = sizeof(start_service_discovery_le_evt),
+};
+
 static const char set_dev_class_valid_param[] = { 0x01, 0x0c };
 static const char set_dev_class_zero_rsp[] = { 0x00, 0x00, 0x00 };
 static const char set_dev_class_valid_rsp[] = { 0x0c, 0x01, 0x00 };
@@ -4650,6 +4727,22 @@ int main(int argc, char *argv[])
 				&stop_discovery_invalid_param_test_1,
 				setup_start_discovery, test_command_generic);
 
+	test_bredrle("Start Service Discovery - Not powered 1",
+				&start_service_discovery_not_powered_test_1,
+				NULL, test_command_generic);
+	test_bredrle("Start Service Discovery - Invalid parameters 1",
+				&start_service_discovery_invalid_param_test_1,
+				NULL, test_command_generic);
+	test_bredrle("Start Service Discovery - Not supported 1",
+				&start_service_discovery_not_supported_test_1,
+				NULL, test_command_generic);
+	test_bredrle("Start Service Discovery - Success 1",
+				&start_service_discovery_valid_param_test_1,
+				NULL, test_command_generic);
+	test_le("Start Service Discovery - Success 2",
+				&start_service_discovery_valid_param_test_2,
+				NULL, test_command_generic);
+
 	test_bredrle("Set Device Class - Success 1",
 				&set_dev_class_valid_param_test_1,
 				NULL, test_command_generic);