diff --git a/apps/backoffice/src/app/features/profile/pages/ProfilePage.tsx b/apps/backoffice/src/app/features/profile/pages/ProfilePage.tsx
index 3ee3aae2e..e3f4ef131 100644
--- a/apps/backoffice/src/app/features/profile/pages/ProfilePage.tsx
+++ b/apps/backoffice/src/app/features/profile/pages/ProfilePage.tsx
@@ -26,6 +26,8 @@ import {
   IconCircleCheckFilled,
   IconDeviceDesktop,
   IconDeviceFloppy,
+  IconLayoutNavbar,
+  IconLayoutSidebar,
   IconLock,
   IconMail,
   IconMoon,
@@ -46,6 +48,8 @@ import { setUser } from '@ema-platform/auth';
 import type { AuthUser } from '@ema-platform/auth';
 import { SUPPORTED_LANGUAGES, type AppLanguage } from '../../../i18n/config';
 import { useAppDispatch, useAppSelector } from '../../../store/hooks';
+import { setLayoutMode } from '../../../store/preferences.slice';
+import type { LayoutMode } from '../../../store/preferences.slice';
 import classes from './ProfilePage.module.css';
 
 function getInitials(name: string, fallback: string) {
@@ -72,6 +76,7 @@ export function ProfilePage() {
   const dispatch = useAppDispatch();
   const user = useAppSelector((state) => state.auth.user);
   const { colorScheme, setColorScheme } = useMantineColorScheme();
+  const layoutMode = useAppSelector((state) => state.preferences.layoutMode);
 
   const [updateTrigger] = useApiMutation<AuthUser>();
   const [meTrigger] = useApiMutation<AuthUser>();
@@ -572,6 +577,48 @@ export function ProfilePage() {
 
               <Divider />
 
+              <div>
+                <Title order={5}>{t('profile.layout.title')}</Title>
+                <Text size="sm" c="dimmed" mb="md">
+                  {t('profile.layout.subtitle')}
+                </Text>
+                <SimpleGrid cols={{ base: 1, sm: 2 }} spacing="md">
+                  {([{ value: 'top', label: t('profile.layout.top'), icon: IconLayoutNavbar }, { value: 'sidebar', label: t('profile.layout.sidebar'), icon: IconLayoutSidebar }] as const).map(({ value, label, icon: Icon }) => {
+                    const active = layoutMode === value;
+                    return (
+                      <UnstyledButton
+                        key={value}
+                        onClick={() => dispatch(setLayoutMode(value))}
+                        className={`${classes.choice} ${active ? classes.choiceActive : ''}`}
+                        p="md"
+                      >
+                        <Group wrap="nowrap">
+                          <Icon
+                            size={20}
+                            color={
+                              active
+                                ? 'var(--mantine-color-emaPrimary-6)'
+                                : 'var(--mantine-color-gray-6)'
+                            }
+                          />
+                          <Text fw={600} size="sm" style={{ flex: 1 }}>
+                            {label}
+                          </Text>
+                          {active && (
+                            <IconCircleCheckFilled
+                              size={18}
+                              color="var(--mantine-color-emaPrimary-6)"
+                            />
+                          )}
+                        </Group>
+                      </UnstyledButton>
+                    );
+                  })}
+                </SimpleGrid>
+              </div>
+
+              <Divider />
+
               <Group align="flex-start" justify="space-between" wrap="nowrap">
                 <Group gap="sm" wrap="nowrap">
                   <IconBell size={20} color="var(--mantine-color-gray-6)" />
diff --git a/apps/backoffice/src/app/i18n/locales/am.ts b/apps/backoffice/src/app/i18n/locales/am.ts
index 1bca84ffe..a2a5f9d85 100644
--- a/apps/backoffice/src/app/i18n/locales/am.ts
+++ b/apps/backoffice/src/app/i18n/locales/am.ts
@@ -168,6 +168,12 @@ export const am: Translations = {
       title: 'ባለሁለት ደረጃ ማረጋገጫ',
       desc: 'በየጊዜው ሲገቡ ከስልክዎ የአንድ ጊዜ ኮድ ያስፈልጋል።',
     },
+    layout: {
+      title: 'አቀማመጥ',
+      subtitle: 'የማውጫ አቀማመጥ እንዴት እንደሚታይ ይምረጡ።',
+      top: 'የላይኛው ትሮች',
+      sidebar: 'የጎን አሞሌ',
+    },
     notifications: {
       title: 'የኢሜይል ማሳወቂያዎች',
       desc: 'ስለ መለያ እንቅስቃሴዎ በኢሜይል ዝማኔዎችን ይቀበሉ።',
diff --git a/apps/backoffice/src/app/i18n/locales/en.ts b/apps/backoffice/src/app/i18n/locales/en.ts
index b19c8aab3..bdce8c9fe 100644
--- a/apps/backoffice/src/app/i18n/locales/en.ts
+++ b/apps/backoffice/src/app/i18n/locales/en.ts
@@ -166,6 +166,12 @@ export const en = {
       title: 'Two-step verification',
       desc: 'Require a one-time code from your phone each time you sign in.',
     },
+    layout: {
+      title: 'Layout',
+      subtitle: 'Choose how the navigation is displayed.',
+      top: 'Top tabs',
+      sidebar: 'Sidebar',
+    },
     notifications: {
       title: 'Email notifications',
       desc: 'Receive updates about your account activity by email.',
diff --git a/apps/backoffice/src/app/layouts/BackofficeLayout.tsx b/apps/backoffice/src/app/layouts/BackofficeLayout.tsx
index 1fc2176ea..9e2c2a000 100644
--- a/apps/backoffice/src/app/layouts/BackofficeLayout.tsx
+++ b/apps/backoffice/src/app/layouts/BackofficeLayout.tsx
@@ -1,10 +1,11 @@
-import { useCallback } from 'react';
+import { useCallback, useState } from 'react';
 import { AppShell, rem } from '@mantine/core';
 import { useDisclosure } from '@mantine/hooks';
 import { Outlet, useLocation, useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import { logout } from '@ema-platform/auth';
-import { AppHeader } from '@ema-platform/ui';
+import { AppHeader, AppSidebar } from '@ema-platform/ui';
+import type { NavItem } from '@ema-platform/ui';
 import {
   IconLayoutDashboard,
   IconUsers,
@@ -14,14 +15,6 @@ import {
 import { notify } from '@ema-platform/ui';
 import { SUPPORTED_LANGUAGES } from '../i18n/config';
 import { useAppDispatch, useAppSelector } from '../store/hooks';
-import type { Icon } from '@tabler/icons-react';
-
-interface NavItem {
-  label: string;
-  icon: Icon;
-  to?: string;
-  soon?: boolean;
-}
 
 const NAV_ITEMS: NavItem[] = [
   { to: '/dashboard', label: 'Dashboard', icon: IconLayoutDashboard },
@@ -38,7 +31,9 @@ export function BackofficeLayout() {
   const location = useLocation();
   const dispatch = useAppDispatch();
   const [opened, { toggle: toggleNav }] = useDisclosure();
+  const [collapsed, setCollapsed] = useState(false);
   const user = useAppSelector((state) => state.auth.user);
+  const layoutMode = useAppSelector((state) => state.preferences.layoutMode);
 
   const displayName = user?.name?.en || user?.username || '';
   const initials = displayName
@@ -70,9 +65,20 @@ export function BackofficeLayout() {
     }
   };
 
+  const handleToggleCollapse = useCallback(() => {
+    setCollapsed((prev) => !prev);
+  }, []);
+
+  const isSidebar = layoutMode === 'sidebar';
+
   return (
     <AppShell
-      header={{ height: HEADER_HEIGHT }}
+      header={{ height: isSidebar ? 74 : HEADER_HEIGHT }}
+      navbar={isSidebar ? {
+        width: collapsed ? 72 : 264,
+        breakpoint: 'sm',
+        collapsed: { mobile: !opened },
+      } : undefined}
       padding="lg"
     >
       <AppShell.Header
@@ -83,11 +89,10 @@ export function BackofficeLayout() {
           flexDirection: 'column',
         }}
       >
-        {/* Top bar */}
         <div style={{ height: 74, flexShrink: 0, padding: '0 32px' }}>
           <AppHeader
             onToggleNav={toggleNav}
-            onToggleSidebar={toggleNav}
+            onToggleSidebar={isSidebar ? handleToggleCollapse : toggleNav}
             navOpened={opened}
             breadcrumbs={crumbs}
             onNavigate={navigate}
@@ -98,63 +103,87 @@ export function BackofficeLayout() {
           />
         </div>
 
-        {/* Legacy-style tab bar — matching UM AppMenuTabs look */}
-        <div
+        {!isSidebar && (
+          <div
+            style={{
+              display: 'flex',
+              alignItems: 'center',
+              gap: rem(2),
+              padding: '0 32px',
+              height: 42,
+              borderTop: '1px solid var(--mantine-color-gray-1)',
+              overflowX: 'auto',
+              flexShrink: 0,
+            }}
+          >
+            {NAV_ITEMS.map((item) => {
+              const active = !!item.to && (location.pathname === item.to || location.pathname.startsWith(`${item.to}/`));
+              const ItemIcon = item.icon;
+              return (
+                <button
+                  key={item.to}
+                  onClick={() => go(item)}
+                  style={{
+                    display: 'flex',
+                    alignItems: 'center',
+                    gap: rem(6),
+                    padding: '8px 16px',
+                    border: 'none',
+                    borderBottom: '2px solid',
+                    borderBottomColor: active
+                      ? 'var(--mantine-color-blue-6)'
+                      : 'transparent',
+                    background: 'transparent',
+                    color: active
+                      ? 'var(--mantine-color-blue-6)'
+                      : 'var(--mantine-color-gray-6)',
+                    fontWeight: active ? 600 : 500,
+                    fontSize: rem(14),
+                    whiteSpace: 'nowrap',
+                    cursor: 'pointer',
+                    transition: 'all 150ms ease',
+                    height: '100%',
+                    marginBottom: -1,
+                    fontFamily: 'inherit',
+                  }}
+                  onMouseEnter={(e) => {
+                    if (!active) e.currentTarget.style.color = 'var(--mantine-color-blue-6)';
+                  }}
+                  onMouseLeave={(e) => {
+                    if (!active) e.currentTarget.style.color = 'var(--mantine-color-gray-6)';
+                  }}
+                >
+                  <ItemIcon size={18} stroke={1.6} />
+                  <span>{item.label}</span>
+                </button>
+              );
+            })}
+          </div>
+        )}
+      </AppShell.Header>
+
+      {isSidebar && (
+        <AppShell.Navbar
+          p={0}
           style={{
-            display: 'flex',
-            alignItems: 'center',
-            gap: rem(2),
-            padding: '0 32px',
-            height: 42,
-            borderTop: '1px solid var(--mantine-color-gray-1)',
-            overflowX: 'auto',
-            flexShrink: 0,
+            overflow: 'hidden',
+            transition: 'width 200ms ease',
+            background: 'var(--mantine-color-body)',
+            borderRight: '1px solid var(--mantine-color-gray-2)',
           }}
         >
-          {NAV_ITEMS.map((item) => {
-            const active = !!item.to && (location.pathname === item.to || location.pathname.startsWith(`${item.to}/`));
-            const ItemIcon = item.icon;
-            return (
-              <button
-                key={item.to}
-                onClick={() => go(item)}
-                style={{
-                  display: 'flex',
-                  alignItems: 'center',
-                  gap: rem(6),
-                  padding: '8px 16px',
-                  border: 'none',
-                  borderBottom: '2px solid',
-                  borderBottomColor: active
-                    ? 'var(--mantine-color-blue-6)'
-                    : 'transparent',
-                  background: 'transparent',
-                  color: active
-                    ? 'var(--mantine-color-blue-6)'
-                    : 'var(--mantine-color-gray-6)',
-                  fontWeight: active ? 600 : 500,
-                  fontSize: rem(14),
-                  whiteSpace: 'nowrap',
-                  cursor: 'pointer',
-                  transition: 'all 150ms ease',
-                  height: '100%',
-                  marginBottom: -1,
-                  fontFamily: 'inherit',
-                }}
-                onMouseEnter={(e) => {
-                  if (!active) e.currentTarget.style.color = 'var(--mantine-color-blue-6)';
-                }}
-                onMouseLeave={(e) => {
-                  if (!active) e.currentTarget.style.color = 'var(--mantine-color-gray-6)';
-                }}
-              >
-                <ItemIcon size={18} stroke={1.6} />
-                <span>{item.label}</span>
-              </button>
-            );
-          })}
-        </div>
-      </AppShell.Header>
+          <AppSidebar
+            navItems={NAV_ITEMS}
+            collapsed={collapsed}
+            activePath={location.pathname}
+            onToggleCollapse={handleToggleCollapse}
+            onNavigate={go}
+            brandName={t('app.name')}
+            brandSubtitle={t('app.authority')}
+          />
+        </AppShell.Navbar>
+      )}
+
       <AppShell.Main>
         <div key={location.pathname} className="ema-page-enter">
           <Outlet />
diff --git a/apps/backoffice/src/app/store/index.ts b/apps/backoffice/src/app/store/index.ts
index 1b00fdc9f..141736dea 100644
--- a/apps/backoffice/src/app/store/index.ts
+++ b/apps/backoffice/src/app/store/index.ts
@@ -9,6 +9,7 @@ import {
   logout,
 } from '@ema-platform/auth';
 import type { AuthUser } from '@ema-platform/auth';
+import { preferencesReducer } from './preferences.slice';
 
 configureAuthStorage('ema-backoffice');
 
@@ -25,6 +26,7 @@ export const store = configureStore({
   reducer: {
     auth: authReducer,
     signup: signupReducer,
+    preferences: preferencesReducer,
     [baseApi.reducerPath]: baseApi.reducer,
   },
   preloadedState: preloadedAuth ? { auth: preloadedAuth } : undefined,
diff --git a/apps/backoffice/src/app/store/preferences.slice.ts b/apps/backoffice/src/app/store/preferences.slice.ts
new file mode 100644
index 000000000..3b25d4b87
--- /dev/null
+++ b/apps/backoffice/src/app/store/preferences.slice.ts
@@ -0,0 +1,39 @@
+import { createSlice, type PayloadAction } from '@reduxjs/toolkit';
+
+export type LayoutMode = 'top' | 'sidebar';
+
+interface PreferencesState {
+  layoutMode: LayoutMode;
+}
+
+const PREFERENCES_KEY = 'ema-backoffice-preferences';
+
+const loadPreferences = (): PreferencesState => {
+  try {
+    const stored = localStorage.getItem(PREFERENCES_KEY);
+    if (stored) return JSON.parse(stored);
+  } catch {}
+  return { layoutMode: 'top' };
+};
+
+const savePreferences = (state: PreferencesState) => {
+  try {
+    localStorage.setItem(PREFERENCES_KEY, JSON.stringify(state));
+  } catch {}
+};
+
+const initialState: PreferencesState = loadPreferences();
+
+const preferencesSlice = createSlice({
+  name: 'preferences',
+  initialState,
+  reducers: {
+    setLayoutMode(state, action: PayloadAction<LayoutMode>) {
+      state.layoutMode = action.payload;
+      savePreferences(state);
+    },
+  },
+});
+
+export const { setLayoutMode } = preferencesSlice.actions;
+export const preferencesReducer = preferencesSlice.reducer;