diff --git a/app/Http/Controllers/SettingsController.php b/app/Http/Controllers/SettingsController.php
index 13c542a36..b937e738a 100644
--- a/app/Http/Controllers/SettingsController.php
+++ b/app/Http/Controllers/SettingsController.php
@@ -335,7 +335,17 @@ class SettingsController extends Controller
             return redirect()->route('settings.subscriptions.index');
         }
 
-        return view('settings.users.link');
+        // Get invitations sent by current user's account
+        $sentInvitations = auth()->user()->account->accountLinks()
+            ->with(['user', 'invitedBy'])
+            ->get();
+
+        // Get invitations received by current user
+        $receivedInvitations = AccountLink::where('user_id', auth()->user()->id)
+            ->with(['account', 'invitedBy'])
+            ->get();
+
+        return view('settings.users.link', compact('sentInvitations', 'receivedInvitations'));
     }
 
     /**
diff --git a/resources/js/app.js b/resources/js/app.js
index 741e6cf17..c3b10a79d 100644
--- a/resources/js/app.js
+++ b/resources/js/app.js
@@ -327,6 +327,7 @@ common.loadLanguage(window.Laravel.locale, true).then((i18n) => {
       locale: i18n.locale,
       reminders_frequency: 'once',
       accept_invite_user: false,
+      accept_link_user: false,
       date_met_the_contact: 'known',
       global_relationship_form_new_contact: true,
       global_profile_default_view: window.Laravel.profileDefaultView,
diff --git a/resources/lang/en/mail.php b/resources/lang/en/mail.php
index 749f3d190..c346ad9a4 100644
--- a/resources/lang/en/mail.php
+++ b/resources/lang/en/mail.php
@@ -50,4 +50,11 @@ return [
     'export_description' => 'You requested a data export on :date. It is now ready to download.',
     'export_download' => 'Download export',
 
+    'account_link_title' => 'Monica – Account Link Invitation from :name',
+    'account_link_intro' => ':name (:email) has invited you to link your Monica account with theirs.',
+    'account_link_explanation' => 'By accepting this invitation, both accounts will share the same contact data and CRM information. You will be able to access and manage the same contacts, relationships, and data.',
+    'account_link_link' => 'To accept the account link invitation, click on the link below:',
+    'account_link_button' => 'Accept Account Link',
+    'account_link_expiration' => 'This link will expire in :count days.',
+
 ];
diff --git a/resources/lang/en/settings.php b/resources/lang/en/settings.php
index 7a8f1bad0..56937ac2b 100644
--- a/resources/lang/en/settings.php
+++ b/resources/lang/en/settings.php
@@ -197,6 +197,45 @@ return [
     'users_list_delete_confirmation' => 'Are you sure to delete this user from your account?',
     'users_invitation_need_subscription' => 'Adding more users requires a subscription.',
 
+    // Account linking
+    'users_list_link_user' => 'Link existing user',
+    'users_link_breadcrumb' => 'Link existing user',
+    'users_link_title' => 'Link an existing Monica user to your account',
+    'users_link_description' => 'Invite an existing Monica user to link their account with yours. Both accounts will share the same contact data and CRM information.',
+    'users_link_email_field' => 'Enter the email of the existing Monica user',
+    'users_link_submit' => 'Send invitation',
+    'users_link_pending_title' => 'Pending account link invitations',
+    'users_link_pending_description' => 'These are account link invitations you\'ve sent that haven\'t been accepted yet.',
+    'users_link_no_pending' => 'No pending account link invitations.',
+    'users_link_invited_by' => 'Invited by :user',
+    'users_link_invited_on' => 'Sent on :date',
+    'users_link_cancel_confirm' => 'Are you sure you want to cancel this account link invitation?',
+    'users_link_confirmation' => 'Please confirm that you want to invite this user before proceeding with the invitation',
+    'users_link_sent_title' => 'Invitations you\'ve sent',
+    'users_link_sent_description' => 'Account link invitations you\'ve sent that are awaiting response.',
+    'users_link_received_title' => 'Invitations you\'ve received',
+    'users_link_received_description' => 'Account link invitations others have sent to you.',
+    'users_link_no_sent' => 'No outgoing invitations.',
+    'users_link_no_received' => 'No incoming invitations.',
+    'users_link_status_pending' => 'Pending',
+    'users_link_status_awaiting_response' => 'Awaiting your response',
+    'account_link_decline_confirm' => 'Are you sure you want to decline this invitation?',
+    
+    'account_link_title' => 'Link Your Account',
+    'account_link_invitation_from' => 'Invitation from :name',
+    'account_link_invitation_description' => 'You have been invited to link your Monica account with account #:account. If you accept, both accounts will share the same contact data.',
+    'account_link_what_happens_title' => 'What happens when you accept:',
+    'account_link_what_happens_1' => 'Your current account data will be merged with the inviter\'s account',
+    'account_link_what_happens_2' => 'You will have access to all contacts and data in the linked account',
+    'account_link_what_happens_3' => 'This action cannot be undone',
+    'account_link_accept' => 'Accept invitation',
+    'account_link_decline' => 'Decline',
+    'account_link_back_to_dashboard' => 'Back to dashboard',
+    'account_link_login_required' => 'Please login to accept this account link invitation.',
+    'account_link_wrong_user' => 'This invitation is not for your account.',
+    'account_link_success' => 'Account successfully linked! You now have access to the shared account data.',
+    'account_link_declined' => 'Account link invitation declined.',
+
     'subscriptions_account_current_plan' => 'Your current plan',
     'subscriptions_account_current_legacy' => 'Current plan, not selectable anymore:',
     'subscriptions_account_current_paid_plan' => 'You are on the :name plan. Thanks so much for being a subscriber.',
diff --git a/resources/views/settings/users/accept-link.blade.php b/resources/views/settings/users/accept-link.blade.php
new file mode 100644
index 000000000..a6a556059
--- /dev/null
+++ b/resources/views/settings/users/accept-link.blade.php
@@ -0,0 +1,61 @@
+@extends('marketing.skeleton')
+
+@section('content')
+  <body class="marketing register">
+    <div class="container">
+      <div class="row">
+        <div class="col-12 col-md-6 offset-md-3 offset-md-3-right">
+
+          <div class="signup-box">
+            <div class="dt w-100">
+              <div class="dtc tc">
+                <img src="{{ asset('img/monica.svg') }}" width="97" height="88" alt="">
+              </div>
+            </div>
+            <h2>{{ trans('settings.account_link_title') }}</h2>
+
+            @include ('partials.errors')
+
+            <div class="alert alert-info">
+              <strong>{{ trans('settings.account_link_invitation_from', ['name' => $accountLink->invitedBy->first_name]) }}</strong>
+              <p class="mb-0 mt-2">{{ trans('settings.account_link_invitation_description', ['account' => $accountLink->account->id]) }}</p>
+            </div>
+
+            <div class="card">
+              <div class="card-body">
+                <h5>{{ trans('settings.account_link_what_happens_title') }}</h5>
+                <ul class="mb-0">
+                  <li>{{ trans('settings.account_link_what_happens_1') }}</li>
+                  <li>{{ trans('settings.account_link_what_happens_2') }}</li>
+                  <li>{{ trans('settings.account_link_what_happens_3') }}</li>
+                </ul>
+              </div>
+            </div>
+
+            <div class="form-group actions mt-4">
+              <form method="POST" action="{{ route('account-links.send', $key) }}" style="display: inline-block; width: 48%; margin-right: 4%;">
+                @csrf
+                {{-- Security field to verify inviter's email --}}
+                <input type="hidden" name="email_security" value="{{ $accountLink->invitedBy->email }}">
+                <button type="submit" class="btn btn-primary btn-block">{{ trans('settings.account_link_accept') }}</button>
+              </form>
+              
+              <form method="POST" action="{{ route('account-links.decline', $key) }}" style="display: inline-block; width: 48%;">
+                @csrf
+                @method('DELETE')
+                <button type="submit" class="btn btn-outline-secondary btn-block">{{ trans('settings.account_link_decline') }}</button>
+              </form>
+            </div>
+
+            <div class="form-group links mt-4">
+              <ul>
+                <li><a href="{{ route('dashboard.index') }}">{{ trans('settings.account_link_back_to_dashboard') }}</a></li>
+              </ul>
+            </div>
+
+          </div>
+        </div>
+      </div>
+    </div>
+  </body>
+@endsection
\ No newline at end of file
diff --git a/resources/views/settings/users/blank.blade.php b/resources/views/settings/users/blank.blade.php
index 986b91f25..5576d03b0 100644
--- a/resources/views/settings/users/blank.blade.php
+++ b/resources/views/settings/users/blank.blade.php
@@ -43,7 +43,11 @@
 
             <p>{{ trans('settings.users_blank_description') }}</p>
 
-            <p class="cta"><a href="{{ route('settings.users.create') }}" class="btn">{{ trans('settings.users_blank_cta') }}</a></p>
+            <p class="cta">
+              <a href="{{ route('settings.users.create') }}" class="btn">{{ trans('settings.users_blank_cta') }}</a>
+              <span class="ml-2">{{ trans('app.or') }}</span>
+              <a href="{{ route('settings.users.link.create') }}" class="btn btn-outline-primary ml-2">{{ trans('settings.users_list_link_user') }}</a>
+            </p>
 
             @if (config('monica.requires_subscription') && $accountHasLimitations)
               <p class="requires-subscription">{{ trans('settings.users_invitation_need_subscription') }}</p>
diff --git a/resources/views/settings/users/index.blade.php b/resources/views/settings/users/index.blade.php
index 6ee9ec987..66ff5ac6e 100644
--- a/resources/views/settings/users/index.blade.php
+++ b/resources/views/settings/users/index.blade.php
@@ -36,7 +36,10 @@
           <div class="pa3 bb b--gray-monica">
             <h3 class="with-actions">
               {{ trans('settings.users_list_title') }}
-              <a href="{{ route('settings.users.create') }}" class="btn">{{ trans('settings.users_list_add_user') }}</a>
+              <div class="actions-list">
+                <a href="{{ route('settings.users.create') }}" class="btn">{{ trans('settings.users_list_add_user') }}</a>
+                <a href="{{ route('settings.users.link.create') }}" class="btn btn-outline-primary ml-2">{{ trans('settings.users_list_link_user') }}</a>
+              </div>
             </h3>
             <ul class="table">
             @foreach ($users as $user)
diff --git a/resources/views/settings/users/link.blade.php b/resources/views/settings/users/link.blade.php
new file mode 100644
index 000000000..c80915633
--- /dev/null
+++ b/resources/views/settings/users/link.blade.php
@@ -0,0 +1,151 @@
+@extends('layouts.skeleton')
+
+@section('content')
+  <div class="settings">
+
+    {{-- Breadcrumb --}}
+    <div class="breadcrumb">
+      <div class="{{ Auth::user()->getFluidLayout() }}">
+        <div class="row">
+          <div class="col-12">
+            <ul class="horizontal">
+              <li>
+                  <a href="{{ route('dashboard.index') }}">{{ trans('app.breadcrumb_dashboard') }}</a>
+                </li>
+                <li>
+                  <a href="{{ route('settings.index') }}">{{ trans('app.breadcrumb_settings') }}</a>
+                </li>
+                <li>
+                <a href="{{ route('settings.users.index') }}">{{ trans('app.breadcrumb_settings_users') }}</a>
+                </li>
+                <li>
+                  {{ trans('settings.users_link_breadcrumb') }}
+                </li>
+            </ul>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- Page content -->
+    <div class="main-content central-form">
+      <div class="{{ Auth::user()->getFluidLayout() }}">
+        <div class="row">
+          <div class="col-12 col-sm-6 offset-sm-3 offset-sm-3-right">
+            <div class="br3 ba b--gray-monica bg-white mb4">
+              <div class="pa3 bb b--gray-monica">
+                <form id="linkForm" method="POST" action="{{ route('settings.users.link.store') }}">
+                  @csrf
+
+                  <h2>{{ trans('settings.users_link_title') }}</h2>
+
+                  <p>{{ trans('settings.users_link_description') }}</p>
+
+                  @include('partials.errors')
+
+                  {{-- Email --}}
+                  <fieldset class="form-group">
+                    <div class="form-group">
+                      <label for="email">{{ trans('settings.users_link_email_field') }}</label>
+                      <input type="email" class="form-control" name="email" value="{{ old('email') }}" required autofocus>
+                    </div>
+                  </fieldset>
+
+                  {{-- Explicit confirmation --}}
+                  <div class="form-group">
+                    <div class="form-check">
+                      <input type="checkbox" class="form-check-input" id="confirmation" name="confirmation" value="1" required>
+                      <label class="form-check-label" for="confirmation">
+                        {{ trans('settings.users_link_confirmation') }}
+                      </label>
+                    </div>
+                  </div>
+
+                  {{-- Submit button inside form --}}
+                  <div class="form-group">
+                    <button type="submit" class="btn btn-primary">{{ trans('settings.users_link_submit') }}</button>
+                    <a href="{{ route('settings.users.index') }}" class="btn btn-secondary">{{ trans('app.cancel') }}</a>
+                  </div>
+
+                </form>
+
+              </div>
+            </div>
+
+            {{-- Invitations you've sent --}}
+            <div class="br3 ba b--gray-monica bg-white mb4">
+              <div class="pa3 bb b--gray-monica">
+                <h3>{{ trans('settings.users_link_sent_title') }}</h3>
+                <p>{{ trans('settings.users_link_sent_description') }}</p>
+              </div>
+              <div class="pa3">
+                @if($sentInvitations->count() > 0)
+                  <ul class="list-group">
+                    @foreach($sentInvitations as $link)
+                      <li class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>
+                          <strong>{{ $link->user->email }}</strong>
+                          <small class="text-muted d-block">{{ trans('settings.users_link_invited_on', ['date' => $link->created_at->format('M j, Y')]) }}</small>
+                          <span class="badge badge-warning">{{ trans('settings.users_link_status_pending') }}</span>
+                        </div>
+                        <form method="POST" action="{{ route('settings.users.link.delete', $link) }}" style="display: inline;">
+                          @csrf
+                          @method('DELETE')
+                          <button type="submit" class="btn btn-sm btn-outline-danger" onclick="return confirm('{{ trans('settings.users_link_cancel_confirm') }}')">
+                            {{ trans('app.cancel') }}
+                          </button>
+                        </form>
+                      </li>
+                    @endforeach
+                  </ul>
+                @else
+                  <p class="text-muted">{{ trans('settings.users_link_no_sent') }}</p>
+                @endif
+              </div>
+            </div>
+
+            {{-- Invitations you've received --}}
+            <div class="br3 ba b--gray-monica bg-white mb4">
+              <div class="pa3 bb b--gray-monica">
+                <h3>{{ trans('settings.users_link_received_title') }}</h3>
+                <p>{{ trans('settings.users_link_received_description') }}</p>
+              </div>
+              <div class="pa3">
+                @if($receivedInvitations->count() > 0)
+                  <ul class="list-group">
+                    @foreach($receivedInvitations as $link)
+                      <li class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>
+                          <strong>{{ trans('settings.account_link_invitation_from', ['name' => $link->invitedBy->first_name]) }}</strong>
+                          <small class="text-muted d-block">{{ $link->invitedBy->email }}</small>
+                          <small class="text-muted">{{ trans('settings.users_link_invited_on', ['date' => $link->created_at->format('M j, Y')]) }}</small>
+                          <span class="badge badge-info">{{ trans('settings.users_link_status_awaiting_response') }}</span>
+                        </div>
+                        <div>
+                          <a href="{{ route('account-links.accept', $link->invitation_key) }}" class="btn btn-sm btn-success mr-1">
+                            {{ trans('settings.account_link_accept') }}
+                          </a>
+                          <form method="POST" action="{{ route('account-links.decline', $link->invitation_key) }}" style="display: inline;">
+                            @csrf
+                            @method('DELETE')
+                            <button type="submit" class="btn btn-sm btn-outline-danger" onclick="return confirm('{{ trans('settings.account_link_decline_confirm') }}')">
+                              {{ trans('settings.account_link_decline') }}
+                            </button>
+                          </form>
+                        </div>
+                      </li>
+                    @endforeach
+                  </ul>
+                @else
+                  <p class="text-muted">{{ trans('settings.users_link_no_received') }}</p>
+                @endif
+              </div>
+            </div>
+
+          </div>
+        </div>
+      </div>
+    </div>
+
+  </div>
+@endsection
\ No newline at end of file
diff --git a/scripts/docker/Dockerfile b/scripts/docker/Dockerfile
index c7cc1de04..539833691 100644
--- a/scripts/docker/Dockerfile
+++ b/scripts/docker/Dockerfile
@@ -126,6 +126,15 @@ RUN set -ex; \
     \
     echo 'memory_limit=512M' > $PHP_INI_DIR/conf.d/memory-limit.ini
 
+# Install Node.js early to leverage Docker layer caching
+RUN set -ex; \
+    \
+    curl -fsSL https://deb.nodesource.com/setup_20.x | bash -; \
+    apt-get install -y nodejs; \
+    npm install -g yarn; \
+    \
+    rm -rf /var/lib/apt/lists/*
+
 RUN set -ex; \
     \
     a2enmod headers rewrite remoteip; \
@@ -144,7 +153,6 @@ RUN set -ex; \
 
 WORKDIR /var/www/html
 
-
 # Copy the local (outside Docker) source into the working directory,
 # copy system files into their proper homes, and set file ownership
 # correctly
@@ -171,7 +179,7 @@ RUN set -ex; \
     php composer-setup.php --quiet --install-dir=/usr/local/bin --filename=composer; \
     rm composer-setup.php
 
-# Install composer dependencies
+# Install PHP dependencies
 RUN set -ex; \
     \
     mkdir -p storage/framework/views; \
@@ -179,16 +187,13 @@ RUN set -ex; \
     composer clear-cache; \
     rm -rf .composer
 
-# Install node dependencies
+# Install Node.js dependencies and build assets
 RUN set -ex; \
     \
-    curl -fsSL https://deb.nodesource.com/setup_20.x | bash -; \
-    apt-get install -y nodejs; \
-    npm install -g yarn; \
-    yarn run inst; \
-    yarn run production; \
-    \
-    rm -rf /var/lib/apt/lists/*
+    yarn install --production=false; \
+    yarn run production
+
+
 
 COPY scripts/docker/entrypoint.sh \
     scripts/docker/cron.sh \