diff --git a/app/assets/javascripts/app/controllers/agent_ticket_create/sidebar_customer.coffee b/app/assets/javascripts/app/controllers/agent_ticket_create/sidebar_customer.coffee
index b4b80bdeb..1dbecf1fb 100644
--- a/app/assets/javascripts/app/controllers/agent_ticket_create/sidebar_customer.coffee
+++ b/app/assets/javascripts/app/controllers/agent_ticket_create/sidebar_customer.coffee
@@ -2,10 +2,16 @@ class SidebarCustomer extends App.Controller
   sidebarItem: =>
     return if !@permissionCheck('ticket.agent')
     return if _.isEmpty(@params.customer_id)
+    counter = ''
+    if App.User.exists(@params.customer_id)
+      user = App.User.find(@params.customer_id)
+      counter = @sidebarItemCounter(user)
     {
       head:    'Customer'
       name:    'customer'
       icon:    'person'
+      counter: counter
+      counterPossible: true
       actions: [
         {
           title:    'Edit Customer'
@@ -16,12 +22,28 @@ class SidebarCustomer extends App.Controller
       callback: @showCustomer
     }
 
+  sidebarItemCounter: (user) ->
+    counter = ''
+    if user && user.preferences && user.preferences.tickets_open
+      counter = user.preferences.tickets_open
+    counter
+
+  sidebarItemUpdate: (user) =>
+    counter = @sidebarItemCounter(user)
+    element = @el.closest('.tabsSidebar-holder').find('.tabsSidebar .tabsSidebar-tabs .tabsSidebar-tab[data-tab=customer] .js-tabCounter')
+    if !counter || counter is 0
+      element.addClass('hide')
+    else
+      element.removeClass('hide')
+    element.text(counter)
+
   showCustomer: (el) =>
     @el = el
     return if _.isEmpty(@params.customer_id)
     new App.WidgetUser(
       el:       @el
       user_id:  @params.customer_id
+      callback: @sidebarItemUpdate
     )
 
   editCustomer: =>
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/sidebar_customer.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/sidebar_customer.coffee
index 92bfd8c65..01c4751be 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/sidebar_customer.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/sidebar_customer.coffee
@@ -1,10 +1,16 @@
 class SidebarCustomer extends App.Controller
   sidebarItem: =>
     return if !@permissionCheck('ticket.agent')
+    counter = ''
+    if App.User.exists(@ticket.customer_id)
+      user = App.User.find(@ticket.customer_id)
+      counter = @sidebarItemCounter(user)
     items = {
       head:    'Customer'
       name:    'customer'
       icon:    'person'
+      counter: counter
+      counterPossible: true
       actions: [
         {
           title:    'Change Customer'
@@ -22,11 +28,27 @@ class SidebarCustomer extends App.Controller
     }
     items
 
+  sidebarItemCounter: (user) ->
+    counter = ''
+    if user && user.preferences && user.preferences.tickets_open
+      counter = user.preferences.tickets_open
+    counter
+
+  sidebarItemUpdate: (user) =>
+    counter = @sidebarItemCounter(user)
+    element = @el.closest('.tabsSidebar-holder').find('.tabsSidebar .tabsSidebar-tabs .tabsSidebar-tab[data-tab=customer] .js-tabCounter')
+    if !counter || counter is 0
+      element.addClass('hide')
+    else
+      element.removeClass('hide')
+    element.text(counter)
+
   showCustomer: (el) =>
     @el = el
     new App.WidgetUser(
       el:       @el
       user_id:  @ticket.customer_id
+      callback: @sidebarItemUpdate
     )
 
   editCustomer: =>
diff --git a/app/assets/javascripts/app/models/ticket.coffee b/app/assets/javascripts/app/models/ticket.coffee
index fb8b879b1..46d087d2d 100644
--- a/app/assets/javascripts/app/models/ticket.coffee
+++ b/app/assets/javascripts/app/models/ticket.coffee
@@ -251,7 +251,7 @@ class App.Ticket extends App.Model
     group_ids = App.Session.get('group_ids')
     if _.isEmpty(group_ids[@group_id])
       return false
-    else if group_ids[@group_id] && !_.include(group_ids[@group_id], 'edit') && !_.include(group_ids[@group_id], 'full')
+    else if group_ids[@group_id] && !_.include(group_ids[@group_id], 'change') && !_.include(group_ids[@group_id], 'full')
       return false
     true
 
diff --git a/app/assets/javascripts/app/views/generic/sidebar_tabs.jst.eco b/app/assets/javascripts/app/views/generic/sidebar_tabs.jst.eco
index d1bd32527..30366fd86 100644
--- a/app/assets/javascripts/app/views/generic/sidebar_tabs.jst.eco
+++ b/app/assets/javascripts/app/views/generic/sidebar_tabs.jst.eco
@@ -14,6 +14,9 @@
 <div class="tabsSidebar-tabs" style="<%- if @dir is 'rtl' then 'margin-right' else 'margin-left' %>: -<%- @scrollbarWidth %>px">
 <% for item in @items: %>
   <div class="tabsSidebar-tab" data-tab="<%= item.name %>">
+    <% if item.counterPossible is true: %>
+      <div class="tabsSidebar-tab-count js-tabCounter <% if !item.counter || item.counter is 0: %>hide<% end %>"><%= item.counter %></div>
+    <% end %>
     <%- @Icon(item.icon) %>
   </div>
 <% end %>
diff --git a/app/assets/stylesheets/zammad.scss b/app/assets/stylesheets/zammad.scss
index 02dc6783e..18ca6b883 100644
--- a/app/assets/stylesheets/zammad.scss
+++ b/app/assets/stylesheets/zammad.scss
@@ -5556,8 +5556,53 @@ footer {
     fill: hsl(197,19%,78%);
   }
 
-  .tabsSidebar-tab.active .icon {
-    fill: hsl(206,7%,37%);
+  .tabsSidebar-tab.active {
+    .tabsSidebar-tab-count {
+      background: hsl(206,7%,37%);
+      
+      &:after {
+        border-right-color: hsl(206,7%,37%);
+      }
+    }
+
+    .icon {
+      fill: hsl(206,7%,37%);
+    }
+  }
+
+  .tabsSidebar-tab-count {
+    position: absolute;
+    left: 9px;
+    top: 5px;
+    background: hsl(197,19%,78%);
+    width: 16px;
+    height: 13px;
+    text-align: center;
+    border-radius: 2px;
+    font-size: 9px;
+    line-height: 14px;
+    color: hsl(197,20%,93%);
+    
+    [data-tab="organization"] & {
+      left: 7px;
+      
+      + .icon {
+        margin-left: 3px;
+      }
+    }
+
+    + .icon {
+      margin-top: 6px;
+    }
+    
+    &:after {
+      content: "";
+      position: absolute;
+      top: 100%;
+      right: 20%;
+      border-bottom: 3px solid transparent;
+      border-right: 5px solid hsl(197,19%,78%);
+    }
   }
 
   .sidebar .text-muted {
diff --git a/app/models/ticket/screen_options.rb b/app/models/ticket/screen_options.rb
index 1779de4c8..5a9d3b8c6 100644
--- a/app/models/ticket/screen_options.rb
+++ b/app/models/ticket/screen_options.rb
@@ -86,7 +86,7 @@ returns
         types.push 'email'
       end
       types.each do |type_name|
-        type = Ticket::Article::Type.lookup( name: type_name )
+        type = Ticket::Article::Type.lookup(name: type_name)
         next if type.blank?
         type_ids.push type.id
       end
@@ -99,7 +99,7 @@ returns
     filter[:group_id] = []
     groups = if params[:current_user].permissions?('ticket.agent')
                if params[:ticket].present?
-                 params[:current_user].groups_access(%w[edit])
+                 params[:current_user].groups_access(%w[change])
                else
                  params[:current_user].groups_access(%w[create])
                end
diff --git a/test/unit/ticket_screen_options_test.rb b/test/unit/ticket_screen_options_test.rb
index c63090763..c678f8d9b 100644
--- a/test/unit/ticket_screen_options_test.rb
+++ b/test/unit/ticket_screen_options_test.rb
@@ -313,10 +313,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
                    Ticket::Article::Type.lookup(name: 'note').id,
                  ], result[:form_meta][:filter][:type_id].sort)
     assert(result[:form_meta][:filter][:group_id])
-    assert_equal([group1.id, group3.id], result[:form_meta][:filter][:group_id].sort)
+    assert_equal([group1.id, group2.id, group3.id], result[:form_meta][:filter][:group_id].sort)
     assert(result[:form_meta][:dependencies])
     assert(result[:form_meta][:dependencies][:group_id])
-    assert_equal(3, result[:form_meta][:dependencies][:group_id].count)
+    assert_equal(4, result[:form_meta][:dependencies][:group_id].count)
     assert(result[:form_meta][:dependencies][:group_id][''])
     assert(result[:form_meta][:dependencies][:group_id][''][:owner_id])
     assert_equal([], result[:form_meta][:dependencies][:group_id][''][:owner_id])
@@ -327,6 +327,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent2.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent4.id))
+    assert(result[:form_meta][:dependencies][:group_id][group2.id])
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id])
+    assert_equal(1, result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].count)
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group3.id])
     assert(result[:form_meta][:dependencies][:group_id][group3.id][:owner_id])
     assert_equal(2, result[:form_meta][:dependencies][:group_id][group3.id][:owner_id].count)
@@ -360,10 +364,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
                    Ticket::Article::Type.lookup(name: 'note').id,
                  ], result[:form_meta][:filter][:type_id].sort)
     assert(result[:form_meta][:filter][:group_id])
-    assert_equal([group1.id, group3.id], result[:form_meta][:filter][:group_id].sort)
+    assert_equal([group1.id, group2.id, group3.id], result[:form_meta][:filter][:group_id].sort)
     assert(result[:form_meta][:dependencies])
     assert(result[:form_meta][:dependencies][:group_id])
-    assert_equal(3, result[:form_meta][:dependencies][:group_id].count)
+    assert_equal(4, result[:form_meta][:dependencies][:group_id].count)
     assert(result[:form_meta][:dependencies][:group_id][''])
     assert(result[:form_meta][:dependencies][:group_id][''][:owner_id])
     assert_equal([], result[:form_meta][:dependencies][:group_id][''][:owner_id])
@@ -374,6 +378,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent2.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent4.id))
+    assert(result[:form_meta][:dependencies][:group_id][group2.id])
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id])
+    assert_equal(1, result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].count)
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group3.id])
     assert(result[:form_meta][:dependencies][:group_id][group3.id][:owner_id])
     assert_equal(2, result[:form_meta][:dependencies][:group_id][group3.id][:owner_id].count)
@@ -407,10 +415,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
                    Ticket::Article::Type.lookup(name: 'note').id,
                  ], result[:form_meta][:filter][:type_id].sort)
     assert(result[:form_meta][:filter][:group_id])
-    assert_equal([group1.id, group3.id], result[:form_meta][:filter][:group_id].sort)
+    assert_equal([group1.id, group2.id, group3.id], result[:form_meta][:filter][:group_id].sort)
     assert(result[:form_meta][:dependencies])
     assert(result[:form_meta][:dependencies][:group_id])
-    assert_equal(3, result[:form_meta][:dependencies][:group_id].count)
+    assert_equal(4, result[:form_meta][:dependencies][:group_id].count)
     assert(result[:form_meta][:dependencies][:group_id][''])
     assert(result[:form_meta][:dependencies][:group_id][''][:owner_id])
     assert_equal([], result[:form_meta][:dependencies][:group_id][''][:owner_id])
@@ -421,6 +429,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent2.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent4.id))
+    assert(result[:form_meta][:dependencies][:group_id][group2.id])
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id])
+    assert_equal(1, result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].count)
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group3.id])
     assert(result[:form_meta][:dependencies][:group_id][group3.id][:owner_id])
     assert_equal(2, result[:form_meta][:dependencies][:group_id][group3.id][:owner_id].count)
@@ -455,10 +467,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
                    Ticket::Article::Type.lookup(name: 'note').id,
                  ], result[:form_meta][:filter][:type_id].sort)
     assert(result[:form_meta][:filter][:group_id])
-    assert_equal([group1.id], result[:form_meta][:filter][:group_id].sort)
+    assert_equal([group1.id, group2.id], result[:form_meta][:filter][:group_id].sort)
     assert(result[:form_meta][:dependencies])
     assert(result[:form_meta][:dependencies][:group_id])
-    assert_equal(2, result[:form_meta][:dependencies][:group_id].count)
+    assert_equal(3, result[:form_meta][:dependencies][:group_id].count)
     assert(result[:form_meta][:dependencies][:group_id][''])
     assert(result[:form_meta][:dependencies][:group_id][''][:owner_id])
     assert_equal([], result[:form_meta][:dependencies][:group_id][''][:owner_id])
@@ -469,6 +481,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent2.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent4.id))
+    assert(result[:form_meta][:dependencies][:group_id][group2.id])
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id])
+    assert_equal(1, result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].count)
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].include?(agent3.id))
 
     result = Ticket::ScreenOptions.attributes_to_change(
       ticket_id: ticket2.id,
@@ -497,10 +513,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
                    Ticket::Article::Type.lookup(name: 'note').id,
                  ], result[:form_meta][:filter][:type_id].sort)
     assert(result[:form_meta][:filter][:group_id])
-    assert_equal([group1.id], result[:form_meta][:filter][:group_id].sort)
+    assert_equal([group1.id, group2.id], result[:form_meta][:filter][:group_id].sort)
     assert(result[:form_meta][:dependencies])
     assert(result[:form_meta][:dependencies][:group_id])
-    assert_equal(2, result[:form_meta][:dependencies][:group_id].count)
+    assert_equal(3, result[:form_meta][:dependencies][:group_id].count)
     assert(result[:form_meta][:dependencies][:group_id][''])
     assert(result[:form_meta][:dependencies][:group_id][''][:owner_id])
     assert_equal([], result[:form_meta][:dependencies][:group_id][''][:owner_id])
@@ -511,6 +527,10 @@ class TicketScreenOptionsTest < ActiveSupport::TestCase
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent2.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent3.id))
     assert(result[:form_meta][:dependencies][:group_id][group1.id][:owner_id].include?(agent4.id))
+    assert(result[:form_meta][:dependencies][:group_id][group2.id])
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id])
+    assert_equal(1, result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].count)
+    assert(result[:form_meta][:dependencies][:group_id][group2.id][:owner_id].include?(agent3.id))
 
     result = Ticket::ScreenOptions.attributes_to_change(
       ticket_id: ticket1.id,