Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc/ViewModels/Services/SIRENCheker.cs

@@ -0,0 +1,22 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using Yavsc.Helpers;
+
+namespace Yavsc.Services
+{
+    using Models.societe.com;
+    public class SIRENChecker
+    {
+        private CompanyInfoSettings _settings;
+        public SIRENChecker(CompanyInfoSettings settings)
+        {
+            _settings = settings;
+        }
+        public async Task<CompanyInfoMessage> CheckAsync(string siren) {
+             using (var web = new HttpClient())
+                {
+                   return await web.CheckSiren(siren, _settings);
+                }
+        }
+    }
+}