diff --git a/css/brands.css b/css/brands.css
index ee80128..7c5965a 100644
--- a/css/brands.css
+++ b/css/brands.css
@@ -578,3 +578,13 @@ button:hover,
 .button.button-yt:focus {
   filter: brightness(90%);
 }
+
+/* Threema */
+.button.button-threema {
+  color: #000000;
+  background-color: #3fe669;
+}
+.button.button-threema:hover,
+.button.button-threema:focus {
+  filter: brightness(90%);
+}
\ No newline at end of file
diff --git a/images/icons/threema.svg b/images/icons/threema.svg
new file mode 100644
index 0000000..142a6f8
--- /dev/null
+++ b/images/icons/threema.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generator: Adobe Illustrator 26.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Ebene_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 278.7 323.3" style="enable-background:new 0 0 278.7 323.3;" xml:space="preserve">
+<g id="Threema-Logo">
+	<g id="Threema:-Wortmarke-_x2B_-Bildmarke-_x2B_-Claim-_x28_Landscape_x29_" transform="translate(-200.000000, -342.000000)">
+		<path d="M425,618c13.1,0,23.7,10.6,23.7,23.7c0,13.1-10.6,23.7-23.7,23.7c-13.1,0-23.6-10.6-23.6-23.7    C401.4,628.6,411.9,618,425,618z M254.4,618c13.1,0,23.7,10.6,23.7,23.7c0,13.1-10.6,23.7-23.7,23.7c-13.1,0-23.6-10.6-23.6-23.7    C230.7,628.6,241.3,618,254.4,618z M339.7,618c13.1,0,23.7,10.6,23.7,23.7c0,13.1-10.6,23.7-23.7,23.7    c-13.1,0-23.6-10.6-23.6-23.7C316,628.6,326.6,618,339.7,618z M339.7,342.1c76.8,0,139,54.8,139,122.3s-62.2,122.3-139,122.3    c-21.8,0-42.5-4.4-60.9-12.3l-69.6,17.4l14.9-59.5c-14.7-19.4-23.3-42.8-23.3-67.9C200.7,396.9,262.9,342.1,339.7,342.1z     M339.7,399.2c-21.8,0-39.4,17.6-39.4,39.4v15.7h-1.5c-3.5,0-6.3,2.8-6.3,6.3v55.6c0,3.5,2.8,6.3,6.3,6.3h82    c3.5,0,6.3-2.8,6.3-6.3v-55.6c0-3.5-2.8-6.3-6.3-6.3h-1.5v-15.7C379.1,416.8,361.5,399.2,339.7,399.2z M339.7,414.9    c13.1,0,23.7,10.6,23.7,23.6v15.7H316v-15.7C316,425.5,326.6,414.9,339.7,414.9z"/>
+	</g>
+</g>
+</svg>
\ No newline at end of file
diff --git a/index.html b/index.html
index 2b65a17..fd44c14 100644
--- a/index.html
+++ b/index.html
@@ -370,6 +370,11 @@
             <img class="icon" src="images/icons/vrchat.svg" alt="VRChat Logo">VRChat</a>
         <br>
 
+        <!-- Threema -->
+        <a class="button button-threema" href="#" target="_blank" rel="noopener">
+            <img class="icon" src="images/icons/threema.svg" alt="Threema Logo">Threema</a>
+        <br>
+
         <br>
         <p>🔒
             <a href="privacy.html">Privacy Policy</a> | Build your own by forking <a href="https://littlelink.io" target="_blank" rel="noopener">LittleLink</a>.</p>