diff --git a/app/controllers/admin/administrators_controller.rb b/app/controllers/admin/administrators_controller.rb
index 938a7570d..3467ee0c0 100644
--- a/app/controllers/admin/administrators_controller.rb
+++ b/app/controllers/admin/administrators_controller.rb
@@ -6,16 +6,10 @@ class Admin::AdministratorsController < Admin::BaseController
   end
 
   def search
-    @user = User.find_by(email: params[:email])
-
-    respond_to do |format|
-      if @user
-        @administrator = Administrator.find_or_initialize_by(user: @user)
-        format.js
-      else
-        format.js { render "user_not_found" }
-      end
-    end
+    @users = User.search(params[:name_or_email])
+                 .includes(:administrator)
+                 .page(params[:page])
+                 .for_render
   end
 
   def create
diff --git a/app/controllers/admin/managers_controller.rb b/app/controllers/admin/managers_controller.rb
index 5023a1380..865ead3be 100644
--- a/app/controllers/admin/managers_controller.rb
+++ b/app/controllers/admin/managers_controller.rb
@@ -6,16 +6,10 @@ class Admin::ManagersController < Admin::BaseController
   end
 
   def search
-    @user = User.find_by(email: params[:email])
-
-    respond_to do |format|
-      if @user
-        @manager = Manager.find_or_initialize_by(user: @user)
-        format.js
-      else
-        format.js { render "user_not_found" }
-      end
-    end
+    @users = User.search(params[:name_or_email])
+                 .includes(:manager)
+                 .page(params[:page])
+                 .for_render
   end
 
   def create
diff --git a/app/controllers/admin/moderators_controller.rb b/app/controllers/admin/moderators_controller.rb
index 2566c0c02..cd5072aa8 100644
--- a/app/controllers/admin/moderators_controller.rb
+++ b/app/controllers/admin/moderators_controller.rb
@@ -6,16 +6,10 @@ class Admin::ModeratorsController < Admin::BaseController
   end
 
   def search
-    @user = User.find_by(email: params[:email])
-
-    respond_to do |format|
-      if @user
-        @moderator = Moderator.find_or_initialize_by(user: @user)
-        format.js
-      else
-        format.js { render "user_not_found" }
-      end
-    end
+    @users = User.search(params[:name_or_email])
+                 .includes(:moderator)
+                 .page(params[:page])
+                 .for_render
   end
 
   def create
diff --git a/app/controllers/admin/valuators_controller.rb b/app/controllers/admin/valuators_controller.rb
index 4b52a753e..d567a38b2 100644
--- a/app/controllers/admin/valuators_controller.rb
+++ b/app/controllers/admin/valuators_controller.rb
@@ -6,16 +6,10 @@ class Admin::ValuatorsController < Admin::BaseController
   end
 
   def search
-    @user = User.find_by(email: params[:email])
-
-    respond_to do |format|
-      if @user
-        @valuator = Valuator.find_or_initialize_by(user: @user)
-        format.js
-      else
-        format.js { render "user_not_found" }
-      end
-    end
+    @users = User.search(params[:name_or_email])
+                 .includes(:valuator)
+                 .page(params[:page])
+                 .for_render
   end
 
   def create
@@ -36,4 +30,4 @@ class Admin::ValuatorsController < Admin::BaseController
       params.require(:valuator).permit(:user_id, :description)
     end
 
-end
\ No newline at end of file
+end
diff --git a/app/views/admin/administrators/_administrator.html.erb b/app/views/admin/administrators/_administrator.html.erb
deleted file mode 100644
index d948e1eed..000000000
--- a/app/views/admin/administrators/_administrator.html.erb
+++ /dev/null
@@ -1,26 +0,0 @@
-<div class="small-12 column">
-  <table>
-    <tbody>
-      <tr>
-        <td>
-          <%= administrator.name %>
-        </td>
-        <td>
-          <%= administrator.email %>
-        </td>
-        <td class="text-right">
-          <% if administrator.persisted? %>
-            <%= link_to t('admin.administrators.administrator.delete'),
-                        admin_administrator_path(administrator),
-                        method: :delete,
-                        class: "button hollow alert" %>
-          <% else %>
-            <%= link_to t('admin.administrators.administrator.add'),{ controller: "admin/administrators", action: :create, user_id: administrator.user_id },
-                        method: :post,
-                        class: "button success" %>
-          <% end %>
-        </td>
-      </tr>
-    </tbody>
-  </table>
-</div>
diff --git a/app/views/admin/administrators/index.html.erb b/app/views/admin/administrators/index.html.erb
index 1cfbf5079..b23a85d61 100644
--- a/app/views/admin/administrators/index.html.erb
+++ b/app/views/admin/administrators/index.html.erb
@@ -1,39 +1,24 @@
 <h2 class="inline-block"><%= t("admin.administrators.index.title") %></h2>
 
-<div class="row">
-  <%= form_tag search_admin_administrators_path, method: :get, remote: true  do %>
-    <div class="small-12 medium-6 column">
-      <%= text_field_tag :email, '', placeholder: t('admin.administrators.search.email_placeholder') %>
-    </div>
-    <div class="small-12 medium-6 column">
-      <%= submit_tag t('admin.administrators.search.search'), class: 'button' %>
-    </div>
-  <% end %>
-</div>
-
-<div id="search-result" class="row"></div>
+<%= render 'admin/shared/user_search', url: search_admin_administrators_path %>
 
 <h3><%= page_entries_info @administrators %></h3>
 
 <table id="administrators">
   <% @administrators.each do |administrator| %>
     <tr>
-      <td>
-        <%= administrator.name %>
-      </td>
-      <td>
-        <%= administrator.email %>
-      </td>
+      <td><%= administrator.name %></td>
+      <td><%= administrator.email %></td>
       <td class="text-right">
         <% if administrator.persisted? %>
           <%= link_to t('admin.administrators.administrator.delete'),
                       admin_administrator_path(administrator),
                       method: :delete,
-                      class: "button hollow alert"
-          %>
+                      class: "button hollow alert" %>
         <% else %>
           <%= link_to t('admin.administrators.administrator.add'),
-                      { controller: "admin/administrators", action: :create,
+                      { controller: "admin/administrators",
+                        action: :create,
                         user_id: administrator.user_id },
                       method: :post,
                       class: "button success" %>
diff --git a/app/views/admin/administrators/search.html.erb b/app/views/admin/administrators/search.html.erb
new file mode 100644
index 000000000..3f3c269f1
--- /dev/null
+++ b/app/views/admin/administrators/search.html.erb
@@ -0,0 +1,29 @@
+<h2><%= t("admin.administrators.search.title") %></h2>
+
+<%= render 'admin/shared/user_search', url: search_admin_administrators_path %>
+
+<h3><%= page_entries_info @users %></h3>
+
+<table id="administrators">
+  <% @users.each do |user| %>
+    <tr>
+      <td><%= user.name %></td>
+      <td><%= user.email %></td>
+      <td class="text-right">
+        <% if user.administrator? && user.administrator.persisted? %>
+          <%= link_to t('admin.administrators.administrator.delete'),
+                      admin_administrator_path(user),
+                      method: :delete,
+                      class: "button hollow alert" %>
+        <% else %>
+          <%= link_to t('admin.administrators.administrator.add'),
+                      { controller: "admin/administrators",
+                        action: :create,
+                        user_id: user },
+                      method: :post,
+                      class: "button success" %>
+        <% end %>
+      </td>
+    </tr>
+  <% end %>
+</table>
diff --git a/app/views/admin/administrators/search.js.erb b/app/views/admin/administrators/search.js.erb
deleted file mode 100644
index 1c30d9595..000000000
--- a/app/views/admin/administrators/search.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<%= j render 'administrator',  administrator: @administrator %>");
diff --git a/app/views/admin/administrators/user_not_found.js.erb b/app/views/admin/administrators/user_not_found.js.erb
deleted file mode 100644
index ba707fc9d..000000000
--- a/app/views/admin/administrators/user_not_found.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<div class=\"small-12 column\"><div class=\"callout alert\"><%= j t('admin.administrators.search.user_not_found') %></div></div>");
diff --git a/app/views/admin/managers/_manager.html.erb b/app/views/admin/managers/_manager.html.erb
deleted file mode 100644
index 3e709eb60..000000000
--- a/app/views/admin/managers/_manager.html.erb
+++ /dev/null
@@ -1,24 +0,0 @@
-<div class="small-12 column">
-  <table>
-    <tr>
-      <td>
-        <%= manager.name %>
-      </td>
-      <td>
-        <%= manager.email %>
-      </td>
-      <td class="text-right">
-        <% if manager.persisted? %>
-          <%= link_to t('admin.managers.manager.delete'),
-            admin_manager_path(manager),
-            method: :delete,
-            class: "button hollow alert"
-          %>
-        <% else %>
-          <%= link_to t('admin.managers.manager.add'),{ controller: "admin/managers", action: :create, user_id: manager.user_id },
-            method: :post, class: "button success" %>
-        <% end %>
-      </td>
-    </tr>
-  </table>
-</div>
diff --git a/app/views/admin/managers/index.html.erb b/app/views/admin/managers/index.html.erb
index d479ba303..2291f8384 100644
--- a/app/views/admin/managers/index.html.erb
+++ b/app/views/admin/managers/index.html.erb
@@ -1,39 +1,27 @@
 <h2><%= t("admin.managers.index.title") %></h2>
 
-<div class="row">
-  <%= form_tag search_admin_managers_path, method: :get, remote: true  do %>
-    <div class="small-12 medium-6 column">
-      <%= text_field_tag :email, '', placeholder: t('admin.managers.search.email_placeholder') %>
-    </div>
-    <div class="small-12 medium-6 column">
-      <%= submit_tag t('admin.managers.search.search'), class: 'button' %>
-    </div>
-  <% end %>
-</div>
-
-<div id="search-result" class="row"></div>
+<%= render 'admin/shared/user_search', url: search_admin_managers_path %>
 
 <h3><%= page_entries_info @managers %></h3>
 
 <table id="managers">
   <% @managers.each do |manager| %>
     <tr>
-      <td>
-        <%= manager.name %>
-      </td>
-      <td>
-        <%= manager.email %>
-      </td>
+      <td><%= manager.name %></td>
+      <td><%= manager.email %></td>
       <td class="text-right">
         <% if manager.persisted? %>
           <%= link_to t('admin.managers.manager.delete'),
-            admin_manager_path(manager),
-            method: :delete,
-            class: "button hollow alert"
-          %>
+                      admin_manager_path(manager),
+                      method: :delete,
+                      class: "button hollow alert" %>
         <% else %>
-          <%= link_to t('admin.managers.manager.add'),{ controller: "admin/managers", action: :create, user_id: manager.user_id },
-            method: :post, class: "button success" %>
+          <%= link_to t('admin.managers.manager.add'),
+                      { controller: "admin/managers",
+                        action: :create,
+                        user_id: manager.user_id },
+                      method: :post,
+                      class: "button success" %>
         <% end %>
       </td>
     </tr>
diff --git a/app/views/admin/managers/search.html.erb b/app/views/admin/managers/search.html.erb
new file mode 100644
index 000000000..c6ea3c2cd
--- /dev/null
+++ b/app/views/admin/managers/search.html.erb
@@ -0,0 +1,29 @@
+<h2><%= t("admin.managers.search.title") %></h2>
+
+<%= render 'admin/shared/user_search', url: search_admin_managers_path %>
+
+<h3><%= page_entries_info @users %></h3>
+
+<table id="managers">
+  <% @users.each do |user| %>
+    <tr>
+      <td><%= user.name %></td>
+      <td><%= user.email %></td>
+      <td class="text-right">
+        <% if user.manager? && user.manager.persisted? %>
+          <%= link_to t('admin.managers.manager.delete'),
+                      admin_manager_path(user),
+                      method: :delete,
+                      class: "button hollow alert" %>
+        <% else %>
+          <%= link_to t('admin.managers.manager.add'),
+                      { controller: "admin/managers",
+                        action: :create,
+                        user_id: user },
+                      method: :post,
+                      class: "button success" %>
+        <% end %>
+      </td>
+    </tr>
+  <% end %>
+</table>
diff --git a/app/views/admin/managers/search.js.erb b/app/views/admin/managers/search.js.erb
deleted file mode 100644
index e54b84293..000000000
--- a/app/views/admin/managers/search.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<%= j render 'manager',  manager: @manager %>");
diff --git a/app/views/admin/managers/user_not_found.js.erb b/app/views/admin/managers/user_not_found.js.erb
deleted file mode 100644
index 53e9d7e20..000000000
--- a/app/views/admin/managers/user_not_found.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<div class=\"small-12 column\"><div class=\"callout alert\"><%= j t('admin.managers.search.user_not_found') %></div></div>");
diff --git a/app/views/admin/moderators/_moderator.html.erb b/app/views/admin/moderators/_moderator.html.erb
deleted file mode 100644
index 57a29d2e8..000000000
--- a/app/views/admin/moderators/_moderator.html.erb
+++ /dev/null
@@ -1,26 +0,0 @@
-<div class="small-12 column">
-  <table>
-    <tbody>
-      <tr>
-        <td>
-          <%= moderator.name %>
-        </td>
-        <td>
-          <%= moderator.email %>
-        </td>
-        <td class="text-right">
-          <% if moderator.persisted? %>
-            <%= link_to t('admin.moderators.moderator.delete'),
-                        admin_moderator_path(moderator),
-                        method: :delete,
-                        class: "button hollow alert" %>
-          <% else %>
-            <%= link_to t('admin.moderators.moderator.add'),{ controller: "admin/moderators", action: :create, user_id: moderator.user_id },
-                        method: :post,
-                        class: "button success" %>
-          <% end %>
-        </td>
-      </tr>
-    </tbody>
-  </table>
-</div>
diff --git a/app/views/admin/moderators/index.html.erb b/app/views/admin/moderators/index.html.erb
index 0fc8703fd..735a193ff 100644
--- a/app/views/admin/moderators/index.html.erb
+++ b/app/views/admin/moderators/index.html.erb
@@ -2,30 +2,15 @@
 
 <h2 class="inline-block"><%= t("admin.moderators.index.title") %></h2>
 
-<div class="row">
-  <%= form_tag search_admin_moderators_path, method: :get, remote: true  do %>
-    <div class="small-12 medium-6 column">
-      <%= text_field_tag :email, '', placeholder: t('admin.moderators.search.email_placeholder') %>
-    </div>
-    <div class="small-12 medium-6 column">
-      <%= submit_tag t('admin.moderators.search.search'), class: 'button' %>
-    </div>
-  <% end %>
-</div>
-
-<div id="search-result" class="row"></div>
+<%= render 'admin/shared/user_search', url: search_admin_moderators_path %>
 
 <h3><%= page_entries_info @moderators %></h3>
 
 <table id="moderators">
   <% @moderators.each do |moderator| %>
     <tr>
-      <td>
-        <%= moderator.name %>
-      </td>
-      <td>
-        <%= moderator.email %>
-      </td>
+      <td><%= moderator.name %></td>
+      <td><%= moderator.email %></td>
       <td class="text-right">
         <% if moderator.persisted? %>
           <%= link_to t('admin.moderators.moderator.delete'),
@@ -35,7 +20,8 @@
           %>
         <% else %>
           <%= link_to t('admin.moderators.moderator.add'),
-                      { controller: "admin/moderators", action: :create,
+                      { controller: "admin/moderators",
+                        action: :create,
                         user_id: moderator.user_id },
                       method: :post,
                       class: "button success" %>
diff --git a/app/views/admin/moderators/search.html.erb b/app/views/admin/moderators/search.html.erb
new file mode 100644
index 000000000..89e9dc9a7
--- /dev/null
+++ b/app/views/admin/moderators/search.html.erb
@@ -0,0 +1,29 @@
+<h2><%= t("admin.moderators.search.title") %></h2>
+
+<%= render 'admin/shared/user_search', url: search_admin_moderators_path %>
+
+<h3><%= page_entries_info @users %></h3>
+
+<table id="moderators">
+  <% @users.each do |user| %>
+    <tr>
+      <td><%= user.name %></td>
+      <td><%= user.email %></td>
+      <td class="text-right">
+        <% if user.moderator? && user.moderator.persisted? %>
+          <%= link_to t('admin.moderators.moderator.delete'),
+                      admin_moderator_path(user),
+                      method: :delete,
+                      class: "button hollow alert" %>
+        <% else %>
+          <%= link_to t('admin.moderators.moderator.add'),
+                      { controller: "admin/moderators",
+                        action: :create,
+                        user_id: user },
+                      method: :post,
+                      class: "button success" %>
+        <% end %>
+      </td>
+    </tr>
+  <% end %>
+</table>
diff --git a/app/views/admin/moderators/search.js.erb b/app/views/admin/moderators/search.js.erb
deleted file mode 100644
index 887d8aa3a..000000000
--- a/app/views/admin/moderators/search.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<%= j render 'moderator',  moderator: @moderator %>");
diff --git a/app/views/admin/moderators/user_not_found.js.erb b/app/views/admin/moderators/user_not_found.js.erb
deleted file mode 100644
index a8573236c..000000000
--- a/app/views/admin/moderators/user_not_found.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<div class=\"small-12 column\"><div class=\"callout alert\"><%= j t('admin.moderators.search.user_not_found') %></div></div>");
diff --git a/app/views/admin/valuators/_valuator.html.erb b/app/views/admin/valuators/_valuator.html.erb
deleted file mode 100644
index e5971391b..000000000
--- a/app/views/admin/valuators/_valuator.html.erb
+++ /dev/null
@@ -1,28 +0,0 @@
-<div class="small-12 column">
-  <h3><%= t('admin.valuators.valuator.user_found') %></h3>
-
-  <table>
-    <tr>
-      <td>
-        <%= valuator.name %>
-      </td>
-      <td>
-        <%= valuator.email %>
-      </td>
-    </tr>
-  </table>
-
-  <% unless @valuator.persisted? %>
-    <%= form_for @valuator, url: admin_valuators_path do |f| %>
-      <div class="row">
-        <div class="small-12 medium-4 column ">
-          <%= f.text_field :description, label: false, placeholder: t('admin.valuators.valuator.description_placeholder') %>
-          <%= f.hidden_field :user_id %>
-        </div>
-        <div class="small-12 medium-2 column end" style="border:ddotted 10px red;">
-          <%= f.submit t('admin.valuators.valuator.add'), class: "button success float-left" %>
-        </div>
-      </div>
-    <% end %>
-  <% end %>
-</div>
diff --git a/app/views/admin/valuators/index.html.erb b/app/views/admin/valuators/index.html.erb
index 30132e66f..d496b1ecd 100644
--- a/app/views/admin/valuators/index.html.erb
+++ b/app/views/admin/valuators/index.html.erb
@@ -1,34 +1,15 @@
 <h2><%= t("admin.valuators.index.title") %></h2>
 
-<div class="row">
-  <%= form_tag search_admin_valuators_path, method: :get, remote: true  do %>
-    <div class="small-12 medium-6 column">
-      <%= text_field_tag :email, '', placeholder: t('admin.valuators.search.email_placeholder') %>
-    </div>
-    <div class="small-12 medium-6 column">
-      <%= submit_tag t('admin.valuators.search.search'), class: 'button radius' %>
-    </div>
-  <% end %>
-</div>
-
-<div id="search-result" class="row"></div>
+<%= render 'admin/shared/user_search', url: search_admin_valuators_path %>
 
 <h3><%= page_entries_info @valuators %></h3>
 
 <table id="valuators">
   <% @valuators.each do |valuator| %>
     <tr>
-      <td>
-        <%= valuator.name %>
-      </td>
-      <td>
-        <%= valuator.email %>
-      </td>
-      <td>
-        <% if valuator.description.present? %>
-          <%= valuator.description %>
-        <% end %>
-      </td>
+      <td><%= valuator.name %></td>
+      <td><%= valuator.email %></td>
+      <td><%= valuator.description if valuator.description.present? %></td>
     </tr>
   <% end %>
 </table>
diff --git a/app/views/admin/valuators/search.html.erb b/app/views/admin/valuators/search.html.erb
new file mode 100644
index 000000000..4663a944b
--- /dev/null
+++ b/app/views/admin/valuators/search.html.erb
@@ -0,0 +1,27 @@
+<h2><%= t("admin.valuators.search.title") %></h2>
+
+<%= render 'admin/shared/user_search', url: search_admin_valuators_path %>
+
+<h3><%= page_entries_info @users %></h3>
+
+<table id="valuators">
+  <% @users.each do |user| %>
+    <tr>
+      <td><%= user.name %></td>
+      <td><%= user.email %></td>
+      <td class="float-right">
+        <% if user.valuator? && user.valuator.description.present? %>
+          <%= user.valuator.description %>
+        <% else %>
+          <%= form_for Valuator.new(user: user), url: admin_valuators_path do |f| %>
+            <%= f.text_field :description,
+                             label: false,
+                             placeholder: t("admin.valuators.valuator.description_placeholder") %>
+            <%= f.hidden_field :user_id %>
+            <%= f.submit t("admin.valuators.valuator.add"), class: "button success float-left" %>
+          <% end %>
+        <% end %>
+      </td>
+    </tr>
+  <% end %>
+</table>
diff --git a/app/views/admin/valuators/search.js.erb b/app/views/admin/valuators/search.js.erb
deleted file mode 100644
index 4068c146e..000000000
--- a/app/views/admin/valuators/search.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<%= j render 'valuator',  valuator: @valuator %>");
diff --git a/app/views/admin/valuators/user_not_found.js.erb b/app/views/admin/valuators/user_not_found.js.erb
deleted file mode 100644
index af3f83a3f..000000000
--- a/app/views/admin/valuators/user_not_found.js.erb
+++ /dev/null
@@ -1 +0,0 @@
-$("#search-result").html("<div class=\"small-12 column\"><div class=\"callout alert\"><%= j t('admin.valuators.search.user_not_found') %></div></div>");
diff --git a/config/locales/en/admin.yml b/config/locales/en/admin.yml
index 50e0b84ff..b44179ab2 100644
--- a/config/locales/en/admin.yml
+++ b/config/locales/en/admin.yml
@@ -386,9 +386,7 @@ en:
         add: Add
         delete: Delete
       search:
-        email_placeholder: Search user by email
-        search: Search
-        user_not_found: User not found
+        title: 'Managers: User search'
     menu:
       activity: Moderator activity
       admin: Admin menu
@@ -438,9 +436,7 @@ en:
         delete: Delete
         restricted_removal: "Sorry, you can't remove yourself from the administrators"
       search:
-        email_placeholder: Search user by email
-        search: Search
-        user_not_found: User not found
+        title: 'Administrators: User search'
     moderators:
       index:
         title: Moderators
@@ -448,9 +444,7 @@ en:
         add: Add
         delete: Delete
       search:
-        email_placeholder: Search user by email
-        search: Search
-        user_not_found: User not found
+        title: 'Moderators: User search'
     newsletters:
       index:
         title: Newsletters
@@ -460,12 +454,9 @@ en:
         title: Valuators
       valuator:
         description_placeholder: 'Description (optional)'
-        user_found: User found
         add: Add to valuators
       search:
-        email_placeholder: Search user by email
-        search: Search
-        user_not_found: User not found
+        title: 'Valuators: User search'
       summary:
         title: Valuator summary for investment projects
         valuator_name: Valuator
diff --git a/config/locales/es/admin.yml b/config/locales/es/admin.yml
index 76747ecf2..53e01b38b 100644
--- a/config/locales/es/admin.yml
+++ b/config/locales/es/admin.yml
@@ -387,9 +387,7 @@ es:
         delete: Borrar
         restricted_removal: "Lo sentimos, no puedes eliminarte a ti mismo de la lista"
       search:
-        email_placeholder: Buscar usuario por email
-        search: Buscar
-        user_not_found: Usuario no encontrado
+        title: 'Administradores: Búsqueda de usuarios'
     managers:
       index:
         title: Gestores
@@ -397,9 +395,7 @@ es:
         add: Añadir como Gestor
         delete: Borrar
       search:
-        email_placeholder: Buscar usuario por email
-        search: Buscar
-        user_not_found: Usuario no encontrado
+        title: 'Gestores: Búsqueda de usuarios'
     menu:
       activity: Actividad de moderadores
       admin: Menú de administración
@@ -448,9 +444,7 @@ es:
         add: Añadir como Moderador
         delete: Borrar
       search:
-        email_placeholder: Buscar usuario por email
-        search: Buscar
-        user_not_found: Usuario no encontrado
+        title: 'Moderadores: Búsqueda de usuarios'
     newsletters:
       index:
         title: Envío de newsletters
@@ -460,12 +454,9 @@ es:
         title: Evaluadores
       valuator:
         description_placeholder: "Descripción (opcional)"
-        user_found: Usuario encontrado
         add: Añadir como evaluador
       search:
-        email_placeholder: Buscar usuario por email
-        search: Buscar
-        user_not_found: Usuario no encontrado
+        title: 'Evaluadores: Búsqueda de usuarios'
       summary:
         title: Resumen de evaluación de propuestas de inversión
         valuator_name: Evaluador
diff --git a/spec/features/admin/administrators_spec.rb b/spec/features/admin/administrators_spec.rb
index bef57b75d..4e2091d11 100644
--- a/spec/features/admin/administrators_spec.rb
+++ b/spec/features/admin/administrators_spec.rb
@@ -16,7 +16,7 @@ feature 'Admin administrators' do
   end
 
   scenario 'Create Administrator', :js do
-    fill_in 'email', with: @user.email
+    fill_in 'name_or_email', with: @user.email
     click_button 'Search'
 
     expect(page).to have_content @user.name
@@ -41,5 +41,53 @@ feature 'Admin administrators' do
       expect(page).to have_content I18n.t("admin.administrators.administrator.restricted_removal")
     end
   end
-end
 
+  context 'Search' do
+
+    background do
+      user  = create(:user, username: 'Bernard Sumner', email: 'bernard@sumner.com')
+      user2 = create(:user, username: 'Tony Soprano', email: 'tony@soprano.com')
+      @administrator1 = create(:administrator, user: user)
+      @administrator2 = create(:administrator, user: user2)
+      visit admin_administrators_path
+    end
+
+    scenario 'returns no results if search term is empty' do
+      expect(page).to have_content(@administrator1.name)
+      expect(page).to have_content(@administrator2.name)
+
+      fill_in 'name_or_email', with: ' '
+      click_button 'Search'
+
+      expect(page).to have_content('Administrators: User search')
+      expect(page).to have_content('users cannot be found')
+      expect(page).to_not have_content(@administrator1.name)
+      expect(page).to_not have_content(@administrator2.name)
+    end
+
+    scenario 'search by name' do
+      expect(page).to have_content(@administrator1.name)
+      expect(page).to have_content(@administrator2.name)
+
+      fill_in 'name_or_email', with: 'Sumn'
+      click_button 'Search'
+
+      expect(page).to have_content('Administrators: User search')
+      expect(page).to have_content(@administrator1.name)
+      expect(page).to_not have_content(@administrator2.name)
+    end
+
+    scenario 'search by email' do
+      expect(page).to have_content(@administrator1.email)
+      expect(page).to have_content(@administrator2.email)
+
+      fill_in 'name_or_email', with: @administrator2.email
+      click_button 'Search'
+
+      expect(page).to have_content('Administrators: User search')
+      expect(page).to have_content(@administrator2.email)
+      expect(page).to_not have_content(@administrator1.email)
+    end
+  end
+
+end
diff --git a/spec/features/admin/managers_spec.rb b/spec/features/admin/managers_spec.rb
index 54b8cc77a..5fe1b3892 100644
--- a/spec/features/admin/managers_spec.rb
+++ b/spec/features/admin/managers_spec.rb
@@ -16,7 +16,7 @@ feature 'Admin managers' do
   end
 
   scenario 'Create Manager', :js do
-    fill_in 'email', with: @user.email
+    fill_in 'name_or_email', with: @user.email
     click_button 'Search'
 
     expect(page).to have_content @user.name
@@ -34,4 +34,52 @@ feature 'Admin managers' do
     end
   end
 
-end
\ No newline at end of file
+  context 'Search' do
+
+    background do
+      user  = create(:user, username: 'Taylor Swift', email: 'taylor@swift.com')
+      user2 = create(:user, username: 'Stephanie Corneliussen', email: 'steph@mrrobot.com')
+      @manager1 = create(:manager, user: user)
+      @manager2 = create(:manager, user: user2)
+      visit admin_managers_path
+    end
+
+    scenario 'returns no results if search term is empty' do
+      expect(page).to have_content(@manager1.name)
+      expect(page).to have_content(@manager2.name)
+
+      fill_in 'name_or_email', with: ' '
+      click_button 'Search'
+
+      expect(page).to have_content('Managers: User search')
+      expect(page).to have_content('users cannot be found')
+      expect(page).to_not have_content(@manager1.name)
+      expect(page).to_not have_content(@manager2.name)
+    end
+
+    scenario 'search by name' do
+      expect(page).to have_content(@manager1.name)
+      expect(page).to have_content(@manager2.name)
+
+      fill_in 'name_or_email', with: 'Taylor'
+      click_button 'Search'
+
+      expect(page).to have_content('Managers: User search')
+      expect(page).to have_content(@manager1.name)
+      expect(page).to_not have_content(@manager2.name)
+    end
+
+    scenario 'search by email' do
+      expect(page).to have_content(@manager1.email)
+      expect(page).to have_content(@manager2.email)
+
+      fill_in 'name_or_email', with: @manager2.email
+      click_button 'Search'
+
+      expect(page).to have_content('Managers: User search')
+      expect(page).to have_content(@manager2.email)
+      expect(page).to_not have_content(@manager1.email)
+    end
+  end
+
+end
diff --git a/spec/features/admin/moderators_spec.rb b/spec/features/admin/moderators_spec.rb
index e8e29b182..2c2994d62 100644
--- a/spec/features/admin/moderators_spec.rb
+++ b/spec/features/admin/moderators_spec.rb
@@ -16,7 +16,7 @@ feature 'Admin moderators' do
   end
 
   scenario 'Create Moderator', :js do
-    fill_in 'email', with: @user.email
+    fill_in 'name_or_email', with: @user.email
     click_button 'Search'
 
     expect(page).to have_content @user.name
@@ -33,5 +33,53 @@ feature 'Admin moderators' do
       expect(page).to_not have_content @moderator.name
     end
   end
-end
 
+  context 'Search' do
+
+    background do
+      user  = create(:user, username: 'Elizabeth Bathory', email: 'elizabeth@bathory.com')
+      user2 = create(:user, username: 'Ada Lovelace', email: 'ada@lovelace.com')
+      @moderator1 = create(:moderator, user: user)
+      @moderator2 = create(:moderator, user: user2)
+      visit admin_moderators_path
+    end
+
+    scenario 'returns no results if search term is empty' do
+      expect(page).to have_content(@moderator1.name)
+      expect(page).to have_content(@moderator2.name)
+
+      fill_in 'name_or_email', with: ' '
+      click_button 'Search'
+
+      expect(page).to have_content('Moderators: User search')
+      expect(page).to have_content('users cannot be found')
+      expect(page).to_not have_content(@moderator1.name)
+      expect(page).to_not have_content(@moderator2.name)
+    end
+
+    scenario 'search by name' do
+      expect(page).to have_content(@moderator1.name)
+      expect(page).to have_content(@moderator2.name)
+
+      fill_in 'name_or_email', with: 'Eliz'
+      click_button 'Search'
+
+      expect(page).to have_content('Moderators: User search')
+      expect(page).to have_content(@moderator1.name)
+      expect(page).to_not have_content(@moderator2.name)
+    end
+
+    scenario 'search by email' do
+      expect(page).to have_content(@moderator1.email)
+      expect(page).to have_content(@moderator2.email)
+
+      fill_in 'name_or_email', with: @moderator2.email
+      click_button 'Search'
+
+      expect(page).to have_content('Moderators: User search')
+      expect(page).to have_content(@moderator2.email)
+      expect(page).to_not have_content(@moderator1.email)
+    end
+  end
+
+end
diff --git a/spec/features/admin/valuators_spec.rb b/spec/features/admin/valuators_spec.rb
index d95432474..86f2c89e9 100644
--- a/spec/features/admin/valuators_spec.rb
+++ b/spec/features/admin/valuators_spec.rb
@@ -2,32 +2,79 @@ require 'rails_helper'
 
 feature 'Admin valuators' do
   background do
-    @admin = create(:administrator)
-    @user  = create(:user, username: 'Jose Luis Balbin')
+    @admin    = create(:administrator)
+    @user     = create(:user, username: 'Jose Luis Balbin')
     @valuator = create(:valuator)
     login_as(@admin.user)
     visit admin_valuators_path
   end
 
   scenario 'Index' do
-    expect(page).to have_content @valuator.name
-    expect(page).to have_content @valuator.email
-    expect(page).to_not have_content @user.name
+    expect(page).to have_content(@valuator.name)
+    expect(page).to have_content(@valuator.email)
+    expect(page).to_not have_content(@user.name)
   end
 
   scenario 'Create Valuator', :js do
-    fill_in 'email', with: @user.email
+    fill_in 'name_or_email', with: @user.email
     click_button 'Search'
 
-    expect(page).to have_content @user.name
+    expect(page).to have_content(@user.name)
     fill_in 'valuator_description', with: 'environmental expert'
     click_button 'Add to valuators'
 
-    within("#valuators") do
-      expect(page).to have_content @user.name
-      expect(page).to have_content 'environmental expert'
+    within('#valuators') do
+      expect(page).to have_content(@user.name)
+      expect(page).to have_content('environmental expert')
+    end
+  end
+
+  context 'Search' do
+
+    background do
+      user  = create(:user, username: 'David Foster Wallace', email: 'david@wallace.com')
+      user2 = create(:user, username: 'Steven Erikson', email: 'steven@erikson.com')
+      @valuator1 = create(:valuator, user: user)
+      @valuator2 = create(:valuator, user: user2)
+      visit admin_valuators_path
+    end
+
+    scenario 'returns no results if search term is empty' do
+      expect(page).to have_content(@valuator1.name)
+      expect(page).to have_content(@valuator2.name)
+
+      fill_in 'name_or_email', with: ' '
+      click_button 'Search'
+
+      expect(page).to have_content('Valuators: User search')
+      expect(page).to have_content('users cannot be found')
+      expect(page).to_not have_content(@valuator1.name)
+      expect(page).to_not have_content(@valuator2.name)
+    end
+
+    scenario 'search by name' do
+      expect(page).to have_content(@valuator1.name)
+      expect(page).to have_content(@valuator2.name)
+
+      fill_in 'name_or_email', with: 'Foster'
+      click_button 'Search'
+
+      expect(page).to have_content('Valuators: User search')
+      expect(page).to have_content(@valuator1.name)
+      expect(page).to_not have_content(@valuator2.name)
+    end
+
+    scenario 'search by email' do
+      expect(page).to have_content(@valuator1.email)
+      expect(page).to have_content(@valuator2.email)
+
+      fill_in 'name_or_email', with: @valuator2.email
+      click_button 'Search'
+
+      expect(page).to have_content('Valuators: User search')
+      expect(page).to have_content(@valuator2.email)
+      expect(page).to_not have_content(@valuator1.email)
     end
   end
 
 end
-