diff --git a/apps/webapp/src/script/components/Conversation/Conversation.tsx b/apps/webapp/src/script/components/Conversation/Conversation.tsx
index 791c6e4a0d8..8b4549efd6d 100644
--- a/apps/webapp/src/script/components/Conversation/Conversation.tsx
+++ b/apps/webapp/src/script/components/Conversation/Conversation.tsx
@@ -23,13 +23,16 @@ import {CONVERSATION_CELLS_STATE} from '@wireapp/api-client/lib/conversation';
 import {container} from 'tsyringe';
 
 import {useMatchMedia} from '@wireapp/react-ui-kit';
+import {WebAppEvents} from '@wireapp/webapp-events';
 
 import {CallingCell} from 'Components/calling/CallingCell';
+import {parseAccountDeepLink} from 'Components/Conversation/utils/parseAccountDeepLink';
 import {Giphy} from 'Components/Giphy';
 import {InputBar} from 'Components/InputBar';
 import {MessageListWrapper} from 'Components/MessagesList/MessageListWrapper';
 import {showDetailViewModal} from 'Components/Modals/DetailViewModal';
 import {PrimaryModal} from 'Components/Modals/PrimaryModal';
+import {showUserModal} from 'Components/Modals/UserModal';
 import {showWarningModal} from 'Components/Modals/utils/showWarningModal';
 import {TitleBar} from 'Components/TitleBar';
 import {CallState} from 'Repositories/calling/CallState';
@@ -296,8 +299,48 @@ export const Conversation = ({
     return false;
   };
 
+  const openUserProfile = async (id: string, domain?: string) => {
+    try {
+      const userEntity = await repositories.user.getUserById({
+        id,
+        domain: domain ?? '',
+      });
+
+      showUserModal(userEntity);
+    } catch (error: unknown) {
+      if (error instanceof UserError && error.type === UserError.TYPE.USER_NOT_FOUND) {
+        messageListLogger.warn('Could not resolve user profile deep link', {id, domain});
+        return;
+      }
+      throw error;
+    }
+  };
+
   const handleMarkdownLinkClick = (event: MouseEvent | KeyboardEvent, messageDetails: MessageDetails) => {
     const href = messageDetails.href!;
+
+    const parsed = parseAccountDeepLink(href, CONFIG.URL.ACCOUNT_BASE);
+
+    if (parsed?.type === 'user-profile') {
+      event.preventDefault();
+      void openUserProfile(parsed.id, parsed.domain);
+      return false;
+    }
+
+    if (parsed?.type === 'conversation-join') {
+      event.preventDefault();
+
+      window.dispatchEvent(
+        new CustomEvent(WebAppEvents.CONVERSATION.JOIN, {
+          detail: {
+            key: parsed.key,
+            code: parsed.code,
+            domain: parsed.domain,
+          },
+        }),
+      );
+      return false;
+    }
     PrimaryModal.show(PrimaryModal.type.CONFIRM, {
       primaryAction: {
         action: () => safeWindowOpen(href),
diff --git a/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.test.ts b/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.test.ts
new file mode 100644
index 00000000000..59b6a10a80f
--- /dev/null
+++ b/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.test.ts
@@ -0,0 +1,85 @@
+/*
+ * Wire
+ * Copyright (C) 2022 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+import {parseAccountDeepLink} from 'Components/Conversation/utils/parseAccountDeepLink';
+
+describe('parseAccountDeepLink', () => {
+  const accountBase = 'https://account.wire.com';
+
+  it('parses a user-profile link with raw id and explicit domain', () => {
+    expect(
+      parseAccountDeepLink('https://account.wire.com/user-profile/?id=user-123&domain=wire.com', accountBase),
+    ).toEqual({
+      type: 'user-profile',
+      id: 'user-123',
+      domain: 'wire.com',
+    });
+  });
+
+  it('prefers explicit domain over domain embedded in id', () => {
+    expect(
+      parseAccountDeepLink(
+        'https://account.wire.com/user-profile/?id=user-123@old.example&domain=new.example',
+        accountBase,
+      ),
+    ).toEqual({
+      type: 'user-profile',
+      id: 'user-123',
+      domain: 'new.example',
+    });
+  });
+
+  it('parses a conversation-join link', () => {
+    expect(
+      parseAccountDeepLink(
+        'https://account.wire.com/conversation-join/?key=test-key&code=test-code&domain=wire.com',
+        accountBase,
+      ),
+    ).toEqual({
+      type: 'conversation-join',
+      key: 'test-key',
+      code: 'test-code',
+      domain: 'wire.com',
+    });
+  });
+
+  it('returns null for a different origin', () => {
+    expect(parseAccountDeepLink('https://google.com/user-profile/?id=user-123', accountBase)).toBeNull();
+  });
+
+  it('returns null when user-profile is missing id', () => {
+    expect(parseAccountDeepLink('https://account.wire.com/user-profile/', accountBase)).toBeNull();
+  });
+
+  it('returns null when conversation-join is missing key or code', () => {
+    expect(parseAccountDeepLink('https://account.wire.com/conversation-join/?key=test-key', accountBase)).toBeNull();
+  });
+
+  it('returns null for unsupported account paths', () => {
+    expect(parseAccountDeepLink('https://account.wire.com/something-else/?id=user=123', accountBase)).toBeNull();
+  });
+
+  it('returns null for invalid urls', () => {
+    expect(parseAccountDeepLink('not-a-url', accountBase)).toBeNull();
+  });
+
+  it('returns null when accountBase is missing', () => {
+    expect(parseAccountDeepLink('https://account.wire.com/user-profile/?id=user-123', undefined)).toBeNull();
+  });
+});
diff --git a/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.ts b/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.ts
new file mode 100644
index 00000000000..2f02dfcea9b
--- /dev/null
+++ b/apps/webapp/src/script/components/Conversation/utils/parseAccountDeepLink.ts
@@ -0,0 +1,99 @@
+/*
+ * Wire
+ * Copyright (C) 2022 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+export type ParseAccountDeepLink =
+  | {type: 'user-profile'; id: string; domain?: string}
+  | {type: 'conversation-join'; key: string; code: string; domain?: string}
+  | null;
+
+type ParsedQualifiedId = {
+  id: string;
+  domain?: string;
+};
+
+const parseQualifiedUserId = (value: string): ParsedQualifiedId => {
+  const atIndex = value.lastIndexOf('@');
+  if (atIndex <= 0) {
+    return {id: value};
+  }
+
+  return {
+    id: value.slice(0, atIndex),
+    domain: value.slice(atIndex + 1) || undefined,
+  };
+};
+
+const normalizePath = (pathname: string): string => {
+  let end = pathname.length;
+
+  while (end > 0 && pathname[end - 1] === '/') {
+    end--;
+  }
+
+  return pathname.slice(0, end);
+};
+
+const normalizeOrigin = (url: URL): string => url.origin.toLowerCase();
+
+export const parseAccountDeepLink = (href: string, accountBase?: string): ParseAccountDeepLink => {
+  if (!href || !accountBase) {
+    return null;
+  }
+  let linkUrl: URL;
+  let accountBaseUrl: URL;
+
+  try {
+    linkUrl = new URL(href);
+    accountBaseUrl = new URL(accountBase);
+  } catch {
+    return null;
+  }
+
+  if (normalizeOrigin(linkUrl) !== normalizeOrigin(accountBaseUrl)) {
+    return null;
+  }
+
+  const pathname = normalizePath(linkUrl.pathname);
+
+  if (pathname === '/user-profile') {
+    const rawId = linkUrl.searchParams.get('id');
+    const explicitDomain = linkUrl.searchParams.get('domain') || undefined;
+
+    if (!rawId) {
+      return null;
+    }
+
+    const qualified = parseQualifiedUserId(rawId);
+
+    return {type: 'user-profile', id: qualified.id, domain: explicitDomain ?? qualified.domain};
+  }
+
+  if (pathname === '/conversation-join') {
+    const key = linkUrl.searchParams.get('key');
+    const code = linkUrl.searchParams.get('code');
+    const domain = linkUrl.searchParams.get('domain') || undefined;
+
+    if (!key || !code) {
+      return null;
+    }
+    return {type: 'conversation-join', key, code, domain};
+  }
+
+  return null;
+};