diff --git a/ZB.MOM.WW.Theme/src/ZB.MOM.WW.Theme/Components/BrandBar.razor b/ZB.MOM.WW.Theme/src/ZB.MOM.WW.Theme/Components/BrandBar.razor
new file mode 100644
index 0000000..bc8cbd1
--- /dev/null
+++ b/ZB.MOM.WW.Theme/src/ZB.MOM.WW.Theme/Components/BrandBar.razor
@@ -0,0 +1,11 @@
+@* Components/BrandBar.razor *@
+<div class="brand">
+    @if (Logo is not null) { @Logo }
+    else { <span class="mark">&#9646;</span> }
+    @Product
+</div>
+
+@code {
+    [Parameter, EditorRequired] public string Product { get; set; } = string.Empty;
+    [Parameter] public RenderFragment? Logo { get; set; }
+}
diff --git a/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/BrandBarTests.cs b/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/BrandBarTests.cs
new file mode 100644
index 0000000..40b6774
--- /dev/null
+++ b/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/BrandBarTests.cs
@@ -0,0 +1,22 @@
+namespace ZB.MOM.WW.Theme.Tests;
+
+public class BrandBarTests : TestContext
+{
+    [Fact]
+    public void Renders_product_with_default_mark()
+    {
+        var cut = RenderComponent<BrandBar>(p => p.Add(x => x.Product, "OtOpcUa"));
+        Assert.Contains("OtOpcUa", cut.Markup);
+        Assert.NotNull(cut.Find(".brand .mark")); // default glyph when no Logo
+    }
+
+    [Fact]
+    public void Custom_logo_replaces_default_mark()
+    {
+        var cut = RenderComponent<BrandBar>(p => p
+            .Add(x => x.Product, "ScadaBridge")
+            .Add(x => x.Logo, (RenderFragment)(b => b.AddMarkupContent(0, "<img class='logo'/>"))));
+        Assert.NotNull(cut.Find(".brand .logo"));
+        Assert.Empty(cut.FindAll(".brand .mark"));
+    }
+}
diff --git a/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/_Imports.cs b/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/_Imports.cs
index 0dedb18..e196a6c 100644
--- a/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/_Imports.cs
+++ b/ZB.MOM.WW.Theme/tests/ZB.MOM.WW.Theme.Tests/_Imports.cs
@@ -1,4 +1,5 @@
 global using Bunit;
 global using Xunit;
+global using Microsoft.AspNetCore.Components;
 global using ZB.MOM.WW.Theme;
 global using ZB.MOM.WW.Theme.Components;