diff --git a/src/App.svelte b/src/App.svelte
index 17a5322..b26b78c 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -21,6 +21,7 @@
   let mq;
   let allTags = [];
   let selectedTags = [];
+  let selectedBrands = [];
   let tagDropdownOpen = false;
   let showModal = false;
   let selectedLogo = null;
@@ -44,7 +45,10 @@
             logo.tags.some((tag) =>
               selectedTags.includes(typeof tag === "string" ? tag : tag.text),
             ));
-        return matchesSearch && matchesTags;
+        const matchesBrands =
+          !selectedBrands.length ||
+          (logo.brand && selectedBrands.includes(logo.brand));
+        return matchesSearch && matchesTags && matchesBrands;
       });
 
       window.appData.displayLogos =
@@ -95,6 +99,7 @@
         searchQuery,
         allTags: [],
         selectedTags: [],
+        selectedBrands: [],
         tagDropdownOpen,
         compactMode,
         setSearchQuery,
@@ -111,6 +116,8 @@
         setCompactMode,
         onCopy: copyUrl,
         onDownload: downloadLogo,
+        addBrand,
+        removeBrand,
       };
     }
 
@@ -149,6 +156,7 @@
             searchQuery,
             allTags,
             selectedTags,
+            selectedBrands,
             tagDropdownOpen,
             compactMode,
             setSearchQuery,
@@ -165,6 +173,8 @@
             setCompactMode,
             onCopy: copyUrl,
             onDownload: downloadLogo,
+            addBrand,
+            removeBrand,
           };
           console.log(
             "App: Updated window.appData after loading with",
@@ -223,6 +233,21 @@
         localStorage.removeItem("selectedTags");
       }
     }
+
+    // Restore selected brands from localStorage
+    const savedBrands = localStorage.getItem("selectedBrands");
+    if (savedBrands) {
+      try {
+        const parsedBrands = JSON.parse(savedBrands);
+        if (Array.isArray(parsedBrands)) {
+          selectedBrands = parsedBrands;
+          console.log("App: Restored selectedBrands from localStorage:", selectedBrands);
+        }
+      } catch (error) {
+        console.error("App: Error parsing saved brands:", error);
+        localStorage.removeItem("selectedBrands");
+      }
+    }
   });
 
   // Make sure to apply theme whenever it changes
@@ -243,6 +268,7 @@
     ).values(),
   ).sort((a, b) => a.text.localeCompare(b.text));
 
+  // Update the filtering logic to include brand filtering in the reactive statement
   $: filteredLogos = logos.filter((logo) => {
     const matchesSearch =
       logo.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
@@ -254,7 +280,10 @@
         logo.tags.some((tag) =>
           selectedTags.includes(typeof tag === "string" ? tag : tag.text),
         ));
-    return matchesSearch && matchesTags;
+    const matchesBrands =
+      !selectedBrands.length ||
+      (logo.brand && selectedBrands.includes(logo.brand));
+    return matchesSearch && matchesTags && matchesBrands;
   });
 
   $: displayLogos =
@@ -287,6 +316,7 @@
       searchQuery,
       allTags,
       selectedTags,
+      selectedBrands,
       tagDropdownOpen,
       compactMode,
       setSearchQuery,
@@ -301,6 +331,8 @@
       addTag,
       removeTag,
       toggleTag,
+      addBrand,
+      removeBrand,
       getTagObj,
       closeDropdown,
       setCompactMode,
@@ -490,6 +522,48 @@
     }
   }
 
+  function addBrand(brand) {
+    console.log("App: Adding brand:", brand);
+    if (!selectedBrands.includes(brand)) {
+      selectedBrands = [...selectedBrands, brand];
+      localStorage.setItem("selectedBrands", JSON.stringify(selectedBrands));
+      console.log("App: Updated selectedBrands:", selectedBrands);
+
+      // Update window.appData immediately
+      if (typeof window !== "undefined" && window.appData) {
+        window.appData.selectedBrands = [...selectedBrands];
+        console.log("App: Updated selectedBrands in window.appData");
+
+        // Update filtered logos immediately
+        updateFilteredLogosImmediate();
+      }
+    }
+
+    // Close dropdown after adding brand
+    tagDropdownOpen = false;
+
+    // Also update the dropdown state in window.appData
+    if (typeof window !== "undefined" && window.appData) {
+      window.appData.tagDropdownOpen = false;
+    }
+  }
+
+  function removeBrand(brand) {
+    console.log("App: Removing brand:", brand);
+    selectedBrands = selectedBrands.filter((b) => b !== brand);
+    localStorage.setItem("selectedBrands", JSON.stringify(selectedBrands));
+    console.log("App: Updated selectedBrands:", selectedBrands);
+
+    // Update window.appData immediately
+    if (typeof window !== "undefined" && window.appData) {
+      window.appData.selectedBrands = [...selectedBrands];
+      console.log("App: Updated selectedBrands in window.appData");
+
+      // Update filtered logos immediately
+      updateFilteredLogosImmediate();
+    }
+  }
+
   // Helper function to immediately update filtered/display logos in window.appData
   function updateFilteredLogosImmediate() {
     if (typeof window !== "undefined" && window.appData) {
@@ -504,7 +578,10 @@
             logo.tags.some((tag) =>
               selectedTags.includes(typeof tag === "string" ? tag : tag.text),
             ));
-        return matchesSearch && matchesTags;
+        const matchesBrands =
+          !selectedBrands.length ||
+          (logo.brand && selectedBrands.includes(logo.brand));
+        return matchesSearch && matchesTags && matchesBrands;
       });
 
       window.appData.displayLogos =
diff --git a/src/components/Header.svelte b/src/components/Header.svelte
index 0cb74c2..da47b76 100644
--- a/src/components/Header.svelte
+++ b/src/components/Header.svelte
@@ -13,16 +13,20 @@
   export let setSearchQuery;
   export let allTags = [];
   export let selectedTags = [];
+  export let selectedBrands = [];
   export let tagDropdownOpen = false;
   export let toggleDropdown = () => console.log("toggleDropdown not provided");
   export let addTag = () => console.log("addTag not provided");
   export let removeTag = () => console.log("removeTag not provided");
+  export let addBrand = () => console.log("addBrand not provided");
+  export let removeBrand = () => console.log("removeBrand not provided");
   export let getTagObj = (tag) => ({ text: tag });
   export let compactMode = false;
   export let setCompactMode = () => {};
 
   let searchInput; // Reference to the search input element
   let tagSearchQuery = ""; // Search query for filtering tags
+  let activeTab = "categories"; // "categories" or "brands"
 
   // Filter available tags based on search query
   $: filteredAvailableTags = allTags.filter(
@@ -36,6 +40,20 @@
     t.text.toLowerCase().includes(tagSearchQuery.toLowerCase()),
   );
 
+  // Compute all unique brands
+  $: allBrands = Array.from(
+    new Set(
+      logos
+        .map((logo) => logo.brand)
+        .filter((brand) => brand && brand.trim() !== "")
+    )
+  ).sort();
+
+  // Filter brands based on search query
+  $: filteredAllBrands = allBrands.filter((brand) =>
+    brand.toLowerCase().includes(tagSearchQuery.toLowerCase())
+  );
+
   onMount(() => {
     // Add global keydown listener for the / hotkey
     function handleKeydown(event) {
@@ -74,6 +92,43 @@
 
     console.log("Header: Search query set to:", searchQuery);
   }
+
+  function toggleBrand(brand) {
+    if (selectedBrands.includes(brand)) {
+      selectedBrands = selectedBrands.filter(b => b !== brand);
+    } else {
+      selectedBrands = [...selectedBrands, brand];
+    }
+
+    // Save to localStorage
+    localStorage.setItem("selectedBrands", JSON.stringify(selectedBrands));
+
+    // Update URL parameters
+    updateFilterParams();
+  }
+
+  function updateFilterParams() {
+    const params = new URLSearchParams(window.location.search);
+
+    // Update tags
+    if (selectedTags.length > 0) {
+      params.set("tags", selectedTags.join(","));
+    } else {
+      params.delete("tags");
+    }
+
+    // Update brands
+    if (selectedBrands.length > 0) {
+      params.set("brands", selectedBrands.join(","));
+    } else {
+      params.delete("brands");
+    }
+
+    const newUrl = window.location.pathname + (params.toString() ? "?" + params.toString() : "");
+    history.replaceState(null, "", newUrl);
+
+
+  }
 </script>
 
 <header class="main-header">
@@ -229,9 +284,9 @@
               fill="currentColor"
             />
           </svg>
-          {#if selectedTags.length + (compactMode ? 1 : 0) > 0}
+          {#if selectedTags.length + selectedBrands.length + (compactMode ? 1 : 0) > 0}
             <span class="filter-count"
-              >{selectedTags.length + (compactMode ? 1 : 0)}</span
+              >{selectedTags.length + selectedBrands.length + (compactMode ? 1 : 0)}</span
             >
           {/if}
         </button>
@@ -265,15 +320,30 @@
               </button>
             </div>
 
-            {#if filteredAvailableTags.length > 0 || tagSearchQuery}
+            {#if filteredAvailableTags.length > 0 || tagSearchQuery || allBrands.length > 0}
               <div class="filter-separator"></div>
-              <div class="filter-tags-section">
-                <div class="filter-section-title">Categories</div>
+              <div class="filter-tabs-section">
+                <div class="filter-tabs">
+                  <button
+                    class="filter-tab"
+                    class:active={activeTab === "categories"}
+                    on:click={() => activeTab = "categories"}
+                  >
+                    Categories
+                  </button>
+                  <button
+                    class="filter-tab"
+                    class:active={activeTab === "brands"}
+                    on:click={() => activeTab = "brands"}
+                  >
+                    Brands
+                  </button>
+                </div>
 
                 <div class="tags-search-bar">
                   <input
                     type="text"
-                    placeholder="Search categories..."
+                    placeholder={activeTab === "categories" ? "Search categories..." : "Search brands..."}
                     bind:value={tagSearchQuery}
                     class="tags-search-input"
                   />
@@ -281,7 +351,7 @@
                     <button
                       class="tags-search-clear"
                       on:click|stopPropagation={() => (tagSearchQuery = "")}
-                      aria-label="Clear tag search"
+                      aria-label="Clear search"
                     >
                       <svg
                         width="14"
@@ -301,60 +371,104 @@
                   {/if}
                 </div>
 
-                {#if filteredAllTags.length > 0}
-                  <div class="filter-tags-list">
-                    {#each filteredAllTags as tagObj}
-                      {@const isSelected = selectedTags.includes(tagObj.text)}
-                      <button
-                        class="filter-tag-item"
-                        class:selected={isSelected}
-                        on:click={() =>
-                          isSelected
-                            ? removeTag(tagObj.text)
-                            : addTag(tagObj.text)}
-                        aria-label={isSelected
-                          ? `Remove tag: ${tagObj.text}`
-                          : `Add tag: ${tagObj.text}`}
-                      >
-                        <span class="tag-icon">
-                          <span class="permanent-icon">
-                            {#if isSelected}
-                              ✔︎
-                            {/if}
-                          </span>
-                          <span class="hover-icon">
-                            {#if isSelected}
-                              ✕
-                            {:else}
-                              ✔︎
-                            {/if}
-                          </span>
-                        </span>
-                        <span
-                          class="tag-text"
-                          style={tagObj.color ? `color: ${tagObj.color};` : ""}
-                          >{tagObj.text}</span
+                {#if activeTab === "categories"}
+                  {#if filteredAllTags.length > 0}
+                    <div class="filter-tags-list">
+                      {#each filteredAllTags as tagObj}
+                        {@const isSelected = selectedTags.includes(tagObj.text)}
+                        <button
+                          class="filter-tag-item"
+                          class:selected={isSelected}
+                          on:click={() =>
+                            isSelected
+                              ? removeTag(tagObj.text)
+                              : addTag(tagObj.text)}
+                          aria-label={isSelected
+                            ? `Remove tag: ${tagObj.text}`
+                            : `Add tag: ${tagObj.text}`}
                         >
-                      </button>
-                    {/each}
-                  </div>
+                          <span class="tag-icon">
+                            <span class="permanent-icon">
+                              {#if isSelected}
+                                ✔︎
+                              {/if}
+                            </span>
+                            <span class="hover-icon">
+                              {#if isSelected}
+                                ✕
+                              {:else}
+                                ✔︎
+                              {/if}
+                            </span>
+                          </span>
+                          <span
+                            class="tag-text"
+                            style={tagObj.color ? `color: ${tagObj.color};` : ""}
+                            >{tagObj.text}</span
+                          >
+                        </button>
+                      {/each}
+                    </div>
+                  {:else}
+                    <div class="no-tags">
+                      {tagSearchQuery
+                        ? "No categories match your search"
+                        : "No available categories"}
+                    </div>
+                  {/if}
                 {:else}
-                  <div class="no-tags">
-                    {tagSearchQuery
-                      ? "No tags match your search"
-                      : "No available tags"}
-                  </div>
+                  {#if filteredAllBrands.length > 0}
+                    <div class="filter-tags-list">
+                      {#each filteredAllBrands as brand}
+                        {@const isSelected = selectedBrands.includes(brand)}
+                        <button
+                          class="filter-tag-item filter-brand-item"
+                          class:selected={isSelected}
+                          on:click={() =>
+                            isSelected
+                              ? removeBrand(brand)
+                              : addBrand(brand)}
+                          aria-label={isSelected
+                            ? `Remove brand: ${brand}`
+                            : `Add brand: ${brand}`}
+                        >
+                          <span class="tag-icon">
+                            <span class="permanent-icon">
+                              {#if isSelected}
+                                ✔︎
+                              {/if}
+                            </span>
+                            <span class="hover-icon">
+                              {#if isSelected}
+                                ✕
+                              {:else}
+                                ✔︎
+                              {/if}
+                            </span>
+                          </span>
+                          <span class="brand-text">{brand}</span>
+                        </button>
+                      {/each}
+                    </div>
+                  {:else}
+                    <div class="no-tags">
+                      {tagSearchQuery
+                        ? "No brands match your search"
+                        : "No available brands"}
+                    </div>
+                  {/if}
                 {/if}
               </div>
             {/if}
 
-            {#if selectedTags.length > 0 || compactMode}
+            {#if selectedTags.length > 0 || selectedBrands.length > 0 || compactMode}
               <div class="filter-separator"></div>
               <div class="clear-all-section">
                 <button
                   class="clear-all-button"
                   on:click={() => {
                     selectedTags.forEach(tag => removeTag(tag));
+                    selectedBrands.forEach(brand => removeBrand(brand));
                     if (compactMode) setCompactMode(false);
                   }}
                   aria-label="Clear all filters"
@@ -379,6 +493,17 @@
         </button>
       {/each}
 
+      {#each selectedBrands as brand}
+        <button
+          class="selected-brand"
+          aria-label={`Remove brand: ${brand}`}
+          on:click={() => removeBrand(brand)}
+        >
+          {brand}
+          <span class="close">&times;</span>
+        </button>
+      {/each}
+
       {#if compactMode}
         <button
           class="compact-indicator"
@@ -500,10 +625,7 @@
             /><rect
               x="4"
               y="13"
-              width="12"
-              height="2"
-              fill="currentColor"
-            /></svg
+              width="12" height="2" fill="currentColor" /></svg
           >
         </button>
       </div>
@@ -773,17 +895,32 @@
     margin: 0.5rem 0;
   }
 
-  .filter-tags-section {
+  .filter-tabs {
     display: flex;
-    flex-direction: column;
-    gap: 0.5rem;
+    margin-bottom: 0.5rem;
   }
 
-  .filter-section-title {
+  .filter-tab {
+    flex: 1;
+    background: none;
+    border: none;
+    padding: 0.4rem 0.8rem;
     font-size: 0.85em;
-    font-weight: 600;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
     color: var(--color-text);
-    opacity: 0.8;
+    opacity: 0.7;
+    border-radius: 0;
+  }
+
+  .filter-tab.active {
+    background: var(--color-card);
+    opacity: 1;
+  }
+
+  .filter-tab:hover:not(.active) {
+    opacity: 0.9;
   }
 
   .tags-search-bar {
@@ -860,6 +997,15 @@
     opacity: 1;
   }
 
+  .filter-brand-item.selected {
+    background: none;
+    color: var(--color-text);
+  }
+
+  .filter-brand-item.selected:hover {
+    background: var(--color-border);
+  }
+
   .tag-icon {
     width: 16px;
     height: 16px;
@@ -898,6 +1044,11 @@
     font-weight: 500;
   }
 
+  .brand-text {
+    font-size: 0.85em;
+    font-weight: 500;
+  }
+
   .no-tags {
     color: #888;
     font-size: 0.85em;
@@ -999,4 +1150,71 @@
     font-size: 0.85em;
     font-weight: 500;
   }
+
+  .filter-tabs {
+    display: flex;
+    border-bottom: 1px solid var(--color-border);
+    margin-bottom: 0.75rem;
+  }
+
+  .filter-tab {
+    background: none;
+    border: none;
+    color: var(--color-text);
+    cursor: pointer;
+    padding: 0.5rem 0.75rem;
+    border-bottom: 2px solid transparent;
+    transition: color 0.2s, border-color 0.2s;
+    font-size: 0.9rem;
+    opacity: 0.7;
+    border-radius: 0;
+  }
+
+  .filter-tab:hover {
+    opacity: 1;
+  }
+
+  .filter-tab.active {
+    color: var(--color-accent);
+    border-bottom-color: var(--color-accent);
+    opacity: 1;
+    font-weight: 500;
+    box-shadow: none;
+  }
+
+  .selected-brand {
+    background: #2196F3;
+    color: #fff;
+    border: none;
+    border-radius: 8px;
+    padding: 0.2em 0.8em 0.2em 0.8em;
+    font-size: 0.85em;
+    font-weight: 500;
+    letter-spacing: 0.02em;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    gap: 0.3em;
+    opacity: 1;
+    transition:
+      background 0.2s,
+      color 0.2s;
+  }
+
+  .selected-brand:hover {
+    background: #1976D2;
+  }
+
+  .selected-brand .close {
+    margin-left: 0.4em;
+    font-size: 1.1em;
+    font-weight: bold;
+    cursor: pointer;
+    opacity: 0.7;
+    transition: opacity 0.2s;
+  }
+
+  .selected-brand .close:hover {
+    opacity: 1;
+  }
 </style>
diff --git a/src/pages/Home.svelte b/src/pages/Home.svelte
index 8ecadb1..0fb3d62 100644
--- a/src/pages/Home.svelte
+++ b/src/pages/Home.svelte
@@ -14,8 +14,43 @@
   let tagDropdownOpen = false;
   let selectedTags = [];
   let allTags = [];
+  let selectedBrands = [];
+  let addBrand = () => {};
+  let removeBrand = () => {};
   let setTheme = () => {};
 
+
+  $: ({
+    logos = [],
+    filteredLogos = [],
+    displayLogos = [],
+    theme = "system",
+    effectiveTheme = "light",
+    viewMode = "grid",
+    searchQuery = "",
+    allTags = [],
+    selectedTags = [],
+    selectedBrands = [],
+    tagDropdownOpen = false,
+    compactMode = false,
+    setSearchQuery = () => {},
+    setGridView = () => {},
+    setListView = () => {},
+    setCompactView = () => {},
+    setTheme = () => {},
+    toggleDropdown = () => {},
+    addTag = () => {},
+    removeTag = () => {},
+    addBrand = () => {},
+    removeBrand = () => {},
+    toggleTag = () => {},
+    getTagObj = () => ({ text: "" }),
+    closeDropdown = () => {},
+    setCompactMode = () => {},
+    onCopy = () => {},
+    onDownload = () => {},
+  } = appData || {});
+
   onMount(() => {
     if (typeof window !== 'undefined' && window.appData) {
       logos = window.appData.displayLogos || [];
@@ -27,6 +62,7 @@
       tagDropdownOpen = window.appData.tagDropdownOpen || false;
       selectedTags = window.appData.selectedTags || [];
       allTags = window.appData.allTags || [];
+      selectedBrands = window.appData.selectedBrands || [];
 
       if (window.appData.setTheme && typeof window.appData.setTheme === 'function') {
         console.log("Home: Found window.appData.setTheme function");
@@ -35,6 +71,18 @@
         console.warn("Home: window.appData.setTheme not found or not a function");
       }
 
+      if (window.appData.addBrand && typeof window.appData.addBrand === 'function') {
+        addBrand = window.appData.addBrand;
+      }
+
+      if (window.appData.removeBrand && typeof window.appData.removeBrand === 'function') {
+        removeBrand = window.appData.removeBrand;
+      }
+
+      if (window.appData.selectedBrands) {
+        selectedBrands = window.appData.selectedBrands;
+      }
+
       // Set up reactivity with window.appData
       const interval = setInterval(() => {
         if (window.appData) {
@@ -56,6 +104,10 @@
           if (window.appData.allTags) {
             allTags = [...window.appData.allTags];
           }
+
+          if (window.appData.selectedBrands) {
+            selectedBrands = [...window.appData.selectedBrands];
+          }
         }
       }, 100);
 
@@ -134,25 +186,28 @@
 
 <div class="container">
   <Header
-    {searchQuery}
-    {setSearchQuery}
-    {viewMode}
+    {logos}
+    displayLogos={logos}
     {theme}
     {setTheme}
+    {viewMode}
     {setGridView}
     {setListView}
     {setCompactView}
-    logos={allLogos}
-    displayLogos={logos}
+    {searchQuery}
+    {setSearchQuery}
+    allTags={allTags}
+    selectedTags={selectedTags}
+    selectedBrands={selectedBrands}
+    {tagDropdownOpen}
     {toggleDropdown}
     {addTag}
     {removeTag}
-    allTags={allTags}
-    selectedTags={selectedTags}
-    tagDropdownOpen={tagDropdownOpen}
+    addBrand={addBrand}
+    removeBrand={removeBrand}
+    getTagObj={(tag) => (window.appData?.getTagObj ? window.appData.getTagObj(tag) : {text: tag})}
     {compactMode}
     {setCompactMode}
-    getTagObj={(tag) => (window.appData?.getTagObj ? window.appData.getTagObj(tag) : {text: tag})}
   />
 
   <main>