diff --git a/navalplanner-webapp/src/test/java/org/navalplanner/web/test/ws/subcontract/SubcontractServiceTest.java b/navalplanner-webapp/src/test/java/org/navalplanner/web/test/ws/subcontract/SubcontractServiceTest.java
new file mode 100644
index 000000000..17867faa4
--- /dev/null
+++ b/navalplanner-webapp/src/test/java/org/navalplanner/web/test/ws/subcontract/SubcontractServiceTest.java
@@ -0,0 +1,190 @@
+/*
+ * This file is part of ###PROJECT_NAME###
+ *
+ * Copyright (C) 2009 Fundación para o Fomento da Calidade Industrial e
+ *                    Desenvolvemento Tecnolóxico de Galicia
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.navalplanner.web.test.ws.subcontract;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+import static org.navalplanner.business.BusinessGlobalNames.BUSINESS_SPRING_CONFIG_FILE;
+import static org.navalplanner.web.WebappGlobalNames.WEBAPP_SPRING_CONFIG_FILE;
+import static org.navalplanner.web.WebappGlobalNames.WEBAPP_SPRING_SECURITY_CONFIG_FILE;
+import static org.navalplanner.web.test.WebappGlobalNames.WEBAPP_SPRING_CONFIG_TEST_FILE;
+
+import java.util.Date;
+import java.util.List;
+
+import javax.annotation.Resource;
+
+import org.hibernate.SessionFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.navalplanner.business.IDataBootstrap;
+import org.navalplanner.business.externalcompanies.daos.IExternalCompanyDAO;
+import org.navalplanner.business.externalcompanies.entities.ExternalCompany;
+import org.navalplanner.business.orders.daos.IOrderDAO;
+import org.navalplanner.business.orders.entities.Order;
+import org.navalplanner.business.orders.entities.OrderElement;
+import org.navalplanner.ws.common.api.InstanceConstraintViolationsDTO;
+import org.navalplanner.ws.common.api.OrderElementDTO;
+import org.navalplanner.ws.common.api.OrderLineDTO;
+import org.navalplanner.ws.subcontract.api.ISubcontractService;
+import org.navalplanner.ws.subcontract.api.SubcontractedTaskDataDTO;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.annotation.Rollback;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * Tests for {@link ISubcontractService}.
+ *
+ * @author Manuel Rego Casasnovas <mrego@igalia.com>
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = { BUSINESS_SPRING_CONFIG_FILE,
+        WEBAPP_SPRING_CONFIG_FILE, WEBAPP_SPRING_CONFIG_TEST_FILE,
+        WEBAPP_SPRING_SECURITY_CONFIG_FILE })
+@Transactional
+public class SubcontractServiceTest {
+
+    @Resource
+    private IDataBootstrap defaultAdvanceTypesBootstrapListener;
+
+    @Resource
+    private IDataBootstrap configurationBootstrap;
+
+    @Before
+    public void loadRequiredaData() {
+        defaultAdvanceTypesBootstrapListener.loadRequiredData();
+        configurationBootstrap.loadRequiredData();
+    }
+
+    @Autowired
+    private ISubcontractService subcontractService;
+
+    @Autowired
+    private IOrderDAO orderDAO;
+
+    @Autowired
+    private IExternalCompanyDAO externalCompanyDAO;
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    private OrderLineDTO givenBasicOrderLineDTO(String orderLineCode) {
+        OrderLineDTO orderLineDTO = new OrderLineDTO();
+        orderLineDTO.name = "Test";
+        orderLineDTO.code = orderLineCode;
+        orderLineDTO.initDate = new Date();
+
+        return orderLineDTO;
+    }
+
+    private ExternalCompany getClientExternalCompanySaved(String name,
+            String nif) {
+        ExternalCompany externalCompany = ExternalCompany.create(name, nif);
+        externalCompany.setClient(true);
+
+        externalCompanyDAO.save(externalCompany);
+        externalCompanyDAO.flush();
+        sessionFactory.getCurrentSession().evict(externalCompany);
+
+        externalCompany.dontPoseAsTransientObjectAnymore();
+
+        return externalCompany;
+    }
+
+    @Test
+    @Rollback(false)
+    public void testNotRollback() {
+        // Just to do not make rollback in order to have the default
+        // configuration, needed for prepareForCreate in order to autogenerate
+        // the order code
+    }
+
+    @Test
+    public void invalidSubcontractedTaskDataWithoutExternalCompanyNif() {
+        int previous = orderDAO.getOrders().size();
+
+        String orderLineCode = "order-line-code";
+
+        OrderElementDTO orderElementDTO = givenBasicOrderLineDTO(orderLineCode);
+
+        SubcontractedTaskDataDTO subcontractedTaskDataDTO = new SubcontractedTaskDataDTO();
+        subcontractedTaskDataDTO.orderElementDTO = orderElementDTO;
+
+        List<InstanceConstraintViolationsDTO> instanceConstraintViolationsList = subcontractService
+                .subcontract(subcontractedTaskDataDTO).instanceConstraintViolationsList;
+        assertThat(instanceConstraintViolationsList.size(), equalTo(1));
+
+        assertThat(orderDAO.getOrders().size(), equalTo(previous));
+    }
+
+    @Test
+    public void invalidSubcontractedTaskDataWithoutOrderElement() {
+        int previous = orderDAO.getOrders().size();
+
+        ExternalCompany externalCompany = getClientExternalCompanySaved(
+                "Company", "company-nif");
+
+        SubcontractedTaskDataDTO subcontractedTaskDataDTO = new SubcontractedTaskDataDTO();
+        subcontractedTaskDataDTO.externalCompanyNif = externalCompany.getNif();
+
+        List<InstanceConstraintViolationsDTO> instanceConstraintViolationsList = subcontractService
+                .subcontract(subcontractedTaskDataDTO).instanceConstraintViolationsList;
+        assertThat(instanceConstraintViolationsList.size(), equalTo(1));
+
+        assertThat(orderDAO.getOrders().size(), equalTo(previous));
+    }
+
+    @Test
+    public void validSubcontractedTaskData() {
+        int previous = orderDAO.getOrders().size();
+
+        String orderLineCode = "order-line-code";
+
+        OrderElementDTO orderElementDTO = givenBasicOrderLineDTO(orderLineCode);
+        ExternalCompany externalCompany = getClientExternalCompanySaved(
+                "Company", "company-nif");
+
+        SubcontractedTaskDataDTO subcontractedTaskDataDTO = new SubcontractedTaskDataDTO();
+        subcontractedTaskDataDTO.orderElementDTO = orderElementDTO;
+        subcontractedTaskDataDTO.externalCompanyNif = externalCompany.getNif();
+
+        List<InstanceConstraintViolationsDTO> instanceConstraintViolationsList = subcontractService
+                .subcontract(subcontractedTaskDataDTO).instanceConstraintViolationsList;
+        assertThat(instanceConstraintViolationsList.size(), equalTo(0));
+
+        assertThat(orderDAO.getOrders().size(), equalTo(previous + 1));
+
+        Order order = orderDAO.getOrders().get(previous);
+        assertNotNull(order.getCode());
+        assertNull(order.getExternalCode());
+        assertThat(order.getWorkHours(), equalTo(0));
+
+        List<OrderElement> children = order.getChildren();
+        assertThat(children.size(), equalTo(1));
+        assertThat(children.get(0).getExternalCode(), equalTo(orderLineCode));
+    }
+
+}
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