diff --git a/modules/invoiceIn/back/methods/invoice-in/specs/summary.spec.js b/modules/invoiceIn/back/methods/invoice-in/specs/summary.spec.js
new file mode 100644
index 000000000..cf7ccdb1c
--- /dev/null
+++ b/modules/invoiceIn/back/methods/invoice-in/specs/summary.spec.js
@@ -0,0 +1,9 @@
+const app = require('vn-loopback/server/server');
+
+describe('invoiceIn summary()', () => {
+    it('should return a summary object containing data from one invoiceIn', async() => {
+        const summary = await app.models.InvoiceIn.summary(1);
+
+        expect(summary.invoiceIn.supplierRef).toEqual('1234');
+    });
+});
diff --git a/modules/invoiceIn/back/methods/invoice-in/summary.js b/modules/invoiceIn/back/methods/invoice-in/summary.js
new file mode 100644
index 000000000..56a105f17
--- /dev/null
+++ b/modules/invoiceIn/back/methods/invoice-in/summary.js
@@ -0,0 +1,42 @@
+module.exports = Self => {
+    Self.remoteMethod('summary', {
+        description: 'The invoiceIn summary',
+        accessType: 'READ',
+        accepts: [{
+            arg: 'id',
+            type: 'number',
+            required: true,
+            description: 'The invoiceIn id',
+            http: {source: 'path'}
+        }],
+        returns: {
+            type: 'object',
+            root: true
+        },
+        http: {
+            path: `/:id/summary`,
+            verb: 'GET'
+        }
+    });
+
+    Self.summary = async id => {
+        const filter = {
+            include: [
+                {
+                    relation: 'company',
+                    scope: {
+                        fields: ['id', 'code']
+                    }
+                },
+                {
+                    relation: 'supplier',
+                    scope: {
+                        fields: ['id', 'name']
+                    }
+                }
+            ]
+        };
+
+        return Self.app.models.InvoiceIn.findById(id, filter);
+    };
+};