diff --git a/Marechai/Areas/Admin/Views/CompanyLogos/Edit.cshtml b/Marechai/Areas/Admin/Views/CompanyLogos/Edit.cshtml
deleted file mode 100644
index a44a4ab9..00000000
--- a/Marechai/Areas/Admin/Views/CompanyLogos/Edit.cshtml
+++ /dev/null
@@ -1,43 +0,0 @@
-@model Marechai.Database.Models.CompanyLogo
-
-@{
-    ViewData["Title"] = "Edit";
-}
-<h1>Edit</h1>
-<h4>Company logo</h4>
-<hr />
-<div class="row">
-    <div class="col-md-4">
-        <form asp-action="Edit">
-            <div asp-validation-summary="ModelOnly" class="text-danger">
-            </div>
-            <input type="hidden" asp-for="Id" />
-            <div class="form-group">
-                <label asp-for="Company" class="control-label">
-                </label>
-                <select asp-for="CompanyId" class="form-control" asp-items="ViewBag.CompanyId">
-                </select>
-            </div>
-            <div class="form-group">
-                <label asp-for="Year" class="control-label">
-                </label>
-                <input asp-for="Year" class="form-control" />
-                <span asp-validation-for="Year" class="text-danger">
-                </span>
-            </div>
-            <div class="form-group">
-                <label asp-for="Guid" class="control-label">
-                </label>
-                <input asp-for="Guid" class="form-control" readonly />
-                <span asp-validation-for="Guid" class="text-danger">
-                </span>
-            </div>
-            <div class="form-group">
-                <input class="btn btn-primary" type="submit" value="Save" />
-                <a asp-action="Index" class="btn btn-secondary">
-                    Back to List
-                </a>
-            </div>
-        </form>
-    </div>
-</div>
\ No newline at end of file
diff --git a/Marechai/Marechai.csproj b/Marechai/Marechai.csproj
index 6e8b7810..92ab17b2 100644
--- a/Marechai/Marechai.csproj
+++ b/Marechai/Marechai.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
-    <Version>3.0.99.1269</Version>
+    <Version>3.0.99.1275</Version>
     <Company>Canary Islands Computer Museum</Company>
     <Copyright>Copyright © 2003-2020 Natalia Portillo</Copyright>
     <Product>Canary Islands Computer Museum Website</Product>
diff --git a/Marechai/Pages/Admin/Details/Company.razor b/Marechai/Pages/Admin/Details/Company.razor
index 2d9f7c4a..79db29d1 100644
--- a/Marechai/Pages/Admin/Details/Company.razor
+++ b/Marechai/Pages/Admin/Details/Company.razor
@@ -337,9 +337,10 @@
         <tbody>
         @foreach (var logo in _logos)
         {
+            bool logoFound = File.Exists(Path.Combine(Host.WebRootPath, "assets/logos", logo.Guid + ".svg"));
             <tr>
                 <td>
-                    @if (File.Exists(Path.Combine(Host.WebRootPath, "assets/logos", logo.Guid + ".svg")))
+                    @if (logoFound)
                     {
                         <picture>
                             <source type="image/svg+xml" srcset="/assets/logos/@(logo.Guid).svg">
@@ -364,8 +365,11 @@
                     }
                 </td>
                 <td>
-                    <a class="btn btn-primary">@L["Change year"]</a>
-                    <Button Color="Color.Danger" Clicked="() => {ShowModal(logo.Id);}">@L["Delete"]</Button>
+                    @if (logoFound)
+                    {
+                        <Button Color="Color.Success" Clicked="() => {ShowLogoYearModal(logo.Id);}">@L["Change year"]</Button>
+                    }
+                    <Button Color="Color.Danger" Clicked="() => {ShowDeleteModal(logo.Id);}">@L["Delete"]</Button>
                 </td>
             </tr>
         }
@@ -373,19 +377,62 @@
     </table>
 }
 
-<Modal @ref="_frmDelete" IsCentered="true" Closing="@ModalClosing"> 
+<Modal @ref="_frmDelete" IsCentered="true" Closing="@DeleteModalClosing"> 
     <ModalBackdrop/>
     <ModalContent Centered="true">
         <ModalHeader>
             <ModalTitle>@L["Delete logo"]</ModalTitle>
-            <CloseButton Clicked="@HideModal"/>
+            <CloseButton Clicked="@HideDeleteModal"/>
         </ModalHeader>
         <ModalBody>
             <Text>@string.Format(@L["Are you sure you want to delete the company logo introduced in {0}?"], _currentLogo?.Year)</Text>
         </ModalBody>
         <ModalFooter>
-            <Button Color="Color.Primary" Clicked="@HideModal" Disabled="@_deleteInProgress">@L["Cancel"]</Button>
+            <Button Color="Color.Primary" Clicked="@HideDeleteModal" Disabled="@_deleteInProgress">@L["Cancel"]</Button>
             <Button Color="Color.Danger" Clicked="@ConfirmDelete" Disabled="@_deleteInProgress">@L["Delete"]</Button>
         </ModalFooter>
     </ModalContent>
 </Modal>
+
+<Modal @ref="_frmLogoYear" IsCentered="true" Closing="@LogoYearModalClosing"> 
+    <ModalBackdrop/>
+    <ModalContent Centered="true">
+        <ModalHeader>
+            <ModalTitle>@L["Change logo year"]</ModalTitle>
+            <CloseButton Clicked="@HideLogoYearModal"/>
+        </ModalHeader>
+        <ModalBody>
+            @if (_currentLogo != null)
+            {
+                <div class="text-center">
+                    <picture>
+                        <source type="image/svg+xml" srcset="/assets/logos/@(_currentLogo.Guid).svg">
+                        <source type="image/webp" srcset="/assets/logos/webp/1x/@(_currentLogo.Guid).webp, /assets/logos/webp/2x/@(_currentLogo.Guid).webp 2x, /assets/logos/webp/3x/@(_currentLogo.Guid).webp 3x">
+                        <img srcset="/assets/logos/png/1x/@(_currentLogo.Guid).png, /assets/logos/png/2x/@(_currentLogo.Guid).png 2x, /assets/logos/png/3x/@(_currentLogo.Guid).png 3x" src="/assets/logos/png/1x@(_currentLogo.Guid).png" alt="" height="auto" width="auto" style="max-height: 256px; max-width: 256px" />
+                    </picture>
+                </div>
+                <Field>
+                    <FieldLabel>@L["Year logo came in use"]</FieldLabel>
+                    <Check TValue="bool" @bind-Checked="@_unknownLogoYear">@L["Unknown (logo year)"]</Check>
+                    @if (!_unknownLogoYear)
+                    {
+                        <Validation Validator="@ValidateLogoYear">
+                            <NumericEdit TValue="int?" Decimals="0" @bind-Value="@_currentLogoYear">
+                                <Feedback>
+                                    <ValidationError>@L["Please enter a valid year."]</ValidationError>
+                                </Feedback>
+                            </NumericEdit>
+                        </Validation>
+                    }
+                </Field>
+            }
+        </ModalBody>
+        <ModalFooter>
+            <Button Color="Color.Primary" Clicked="@HideLogoYearModal" Disabled="@_yearChangeInProgress">@L["Cancel"]</Button>
+            @if (_currentLogo != null)
+            {
+                <Button Color="Color.Success" Clicked="@ConfirmLogoYear" Disabled="@_yearChangeInProgress">@L["Save"]</Button>
+            }
+        </ModalFooter>
+    </ModalContent>
+</Modal>
diff --git a/Marechai/Pages/Admin/Details/Company.razor.cs b/Marechai/Pages/Admin/Details/Company.razor.cs
index 43baa7d8..0ebd963d 100644
--- a/Marechai/Pages/Admin/Details/Company.razor.cs
+++ b/Marechai/Pages/Admin/Details/Company.razor.cs
@@ -17,9 +17,11 @@ namespace Marechai.Pages.Admin.Details
         List<Iso31661Numeric>  _countries;
         bool                   _creating;
         CompanyLogo            _currentLogo;
+        int?                   _currentLogoYear;
         bool                   _deleteInProgress;
         bool                   _editing;
         Modal                  _frmDelete;
+        Modal                  _frmLogoYear;
         bool                   _loaded;
         List<CompanyLogo>      _logos;
         CompanyViewModel       _model;
@@ -28,12 +30,15 @@ namespace Marechai.Pages.Admin.Details
         bool                   _unknownCountry;
         bool                   _unknownFacebook;
         bool                   _unknownFounded;
+        bool                   _unknownLogoYear;
         bool                   _unknownPostalCode;
         bool                   _unknownProvince;
         bool                   _unknownSold;
         bool                   _unknownSoldTo;
         bool                   _unknownTwitter;
         bool                   _unknownWebsite;
+
+        bool _yearChangeInProgress;
         [Parameter]
         public int Id { get; set; }
 
@@ -237,13 +242,13 @@ namespace Marechai.Pages.Admin.Details
         void ValidateFacebook(ValidatorEventArgs e) =>
             Validators.ValidateString(e, L["Facebook username must be smaller than 256 characters."], 256);
 
-        void ShowModal(int itemId)
+        void ShowDeleteModal(int itemId)
         {
             _currentLogo = _logos.FirstOrDefault(n => n.Id == itemId);
             _frmDelete.Show();
         }
 
-        void HideModal() => _frmDelete.Hide();
+        void HideDeleteModal() => _frmDelete.Hide();
 
         async void ConfirmDelete()
         {
@@ -268,6 +273,55 @@ namespace Marechai.Pages.Admin.Details
             StateHasChanged();
         }
 
-        void ModalClosing(ModalClosingEventArgs obj) => _currentLogo = null;
+        void DeleteModalClosing(ModalClosingEventArgs e) => _currentLogo = null;
+
+        void ShowLogoYearModal(int itemId)
+        {
+            _currentLogo     = _logos.FirstOrDefault(n => n.Id == itemId);
+            _currentLogoYear = _currentLogo?.Year;
+            _unknownLogoYear = _currentLogoYear is null;
+            _frmLogoYear.Show();
+        }
+
+        void HideLogoYearModal() => _frmLogoYear.Hide();
+
+        async void ConfirmLogoYear()
+        {
+            if(_currentLogo is null)
+                return;
+
+            _yearChangeInProgress = true;
+
+            // Yield thread to let UI to update
+            await Task.Yield();
+
+            await CompanyLogosService.ChangeYearAsync(_currentLogo.Id, _unknownLogoYear ? null : _currentLogoYear);
+            _logos = await CompanyLogosService.GetByCompany(Id);
+
+            _yearChangeInProgress = false;
+            _frmLogoYear.Hide();
+
+            // Yield thread to let UI to update
+            await Task.Yield();
+
+            // Tell we finished loading
+            StateHasChanged();
+        }
+
+        void LogoYearModalClosing(ModalClosingEventArgs e)
+        {
+            _currentLogo     = null;
+            _currentLogoYear = null;
+        }
+
+        void ValidateLogoYear(ValidatorEventArgs e)
+        {
+            if(!(e.Value is int item) ||
+               item <= 1000           ||
+               item > DateTime.UtcNow.Year)
+                e.Status = ValidationStatus.Error;
+            else
+                e.Status = ValidationStatus.Success;
+        }
     }
 }
\ No newline at end of file
diff --git a/Marechai/Resources/Services/CompaniesService.en.resx b/Marechai/Resources/Services/CompaniesService.en.resx
index f7521ea6..20a4f25a 100644
--- a/Marechai/Resources/Services/CompaniesService.en.resx
+++ b/Marechai/Resources/Services/CompaniesService.en.resx
@@ -162,4 +162,8 @@
     <value>Unknown</value>
     <comment>Unknown, referring to another company name</comment>
   </data>
+  <data name="Unknown (logo year)" xml:space="preserve">
+    <value>Unknown</value>
+    <comment>Unknown, referring to a company logo year</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Marechai/Resources/Services/CompaniesService.es.resx b/Marechai/Resources/Services/CompaniesService.es.resx
index 0a5bff8f..f29e8cfb 100644
--- a/Marechai/Resources/Services/CompaniesService.es.resx
+++ b/Marechai/Resources/Services/CompaniesService.es.resx
@@ -402,4 +402,48 @@
     <value>Por favor introduce una fecha de venta, fusión, bancarrota o renombre válida.</value>
     <comment>Please enter a valid sold/merge/bankruptcy date.</comment>
   </data>
+  <data name="Unknown (logo year)" xml:space="preserve">
+    <value>Desconocido</value>
+    <comment>Unknown, referring to a company logo year</comment>
+  </data>
+  <data name="Upload new logo" xml:space="preserve">
+    <value>Subir nuevo logo</value>
+    <comment>Upload new logo</comment>
+  </data>
+  <data name="Logos" xml:space="preserve">
+    <value>Logos</value>
+    <comment>Logos</comment>
+  </data>
+  <data name="Logo" xml:space="preserve">
+    <value>Logo</value>
+    <comment>Logo</comment>
+  </data>
+  <data name="Year logo came in use" xml:space="preserve">
+    <value>Año el logo empezó a usarse</value>
+    <comment>Year logo came in use</comment>
+  </data>
+  <data name="Cannot find logo file" xml:space="preserve">
+    <value>No se pudo encontrar el archivo del logo</value>
+    <comment>Cannot find logo file</comment>
+  </data>
+  <data name="Change year" xml:space="preserve">
+    <value>Cambiar año</value>
+    <comment>Change year</comment>
+  </data>
+  <data name="Delete logo" xml:space="preserve">
+    <value>Borrar logo</value>
+    <comment>Delete logo</comment>
+  </data>
+  <data name="Are you sure you want to delete the company logo introduced in {0}?" xml:space="preserve">
+    <value>¿Estás seguro de que quieres borrar el logo que la compañía empezó a utilizar en {0}?</value>
+    <comment>Are you sure you want to delete the company logo introduced in {0}?</comment>
+  </data>
+  <data name="Change logo year" xml:space="preserve">
+    <value>Cambiar año del logo</value>
+    <comment>Change logo year</comment>
+  </data>
+  <data name="Please enter a valid year." xml:space="preserve">
+    <value>Por favor introduce un año válido.</value>
+    <comment>Please enter a valid year.</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Marechai/Services/CompanyLogosService.cs b/Marechai/Services/CompanyLogosService.cs
index 43e4ceaa..0969b6ed 100644
--- a/Marechai/Services/CompanyLogosService.cs
+++ b/Marechai/Services/CompanyLogosService.cs
@@ -73,5 +73,16 @@ namespace Marechai.Services
             if(File.Exists(Path.Combine(_webRootPath, "assets/logos/thumbs/png/3x", logo.Guid + ".png")))
                 File.Delete(Path.Combine(_webRootPath, "assets/logos/thumbs/png/3x", logo.Guid + ".png"));
         }
+
+        public async Task ChangeYearAsync(int id, int? year)
+        {
+            CompanyLogo logo = await _context.CompanyLogos.Where(l => l.Id == id).FirstOrDefaultAsync();
+
+            if(logo is null)
+                return;
+
+            logo.Year = year;
+            await _context.SaveChangesAsync();
+        }
     }
 }
\ No newline at end of file