diff --git a/modules/client/back/models/client.js b/modules/client/back/models/client.js
index 5ccc1ec64..549b0d627 100644
--- a/modules/client/back/models/client.js
+++ b/modules/client/back/models/client.js
@@ -46,10 +46,6 @@ module.exports = Self => {
         message: 'TIN must be unique'
     });
 
-    Self.validatesUniquenessOf('socialName', {
-        message: 'The company name must be unique'
-    });
-
     Self.validatesFormatOf('email', {
         message: 'Invalid email',
         allowNull: true,
@@ -63,17 +59,37 @@ module.exports = Self => {
         min: 3, max: 10
     });
 
+    Self.validateAsync('socialName', socialNameIsUnique, {
+        message: 'The company name must be unique'
+    });
+
+    async function socialNameIsUnique(err, done) {
+        const filter = {
+            where: {
+                and: [
+                    {socialName: this.socialName},
+                    {fi: this.fi},
+                    {id: {neq: this.id}}
+                ]
+            }
+        };
+        const client = await Self.app.models.Client.findOne(filter);
+        if (client)
+            err();
+        done();
+    }
+
     Self.validateAsync('iban', ibanNeedsValidation, {
         message: 'The IBAN does not have the correct format'
     });
 
     async function ibanNeedsValidation(err, done) {
-        let filter = {
+        const filter = {
             fields: ['code'],
             where: {id: this.countryFk}
         };
-        let country = await Self.app.models.Country.findOne(filter);
-        let code = country ? country.code.toLowerCase() : null;
+        const country = await Self.app.models.Country.findOne(filter);
+        const code = country ? country.code.toLowerCase() : null;
         if (code != 'es')
             return done();
 
@@ -90,12 +106,12 @@ module.exports = Self => {
         if (!this.isTaxDataChecked)
             return done();
 
-        let filter = {
+        const filter = {
             fields: ['code'],
             where: {id: this.countryFk}
         };
-        let country = await Self.app.models.Country.findOne(filter);
-        let code = country ? country.code.toLowerCase() : null;
+        const country = await Self.app.models.Country.findOne(filter);
+        const code = country ? country.code.toLowerCase() : null;
 
         if (!this.fi || !validateTin(this.fi, code))
             err();
@@ -118,8 +134,8 @@ module.exports = Self => {
     function cannotHaveET(err) {
         if (!this.fi) return;
 
-        let tin = this.fi.toUpperCase();
-        let cannotHaveET = /^[A-B]/.test(tin);
+        const tin = this.fi.toUpperCase();
+        const cannotHaveET = /^[A-B]/.test(tin);
 
         if (cannotHaveET && this.isEqualizated)
             err();