diff --git a/.rubocop.yml b/.rubocop.yml
index e224bf5..0b70a44 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,32 +1,32 @@
 AllCops:
   DisplayCopNames: true
   Exclude:
     - 'lib/capistrano/**/*'
     - 'vendor/**/*'
     - 'unicorn.conf.rb'
 
 Metrics/LineLength:
   Max: 120
 Metrics/AbcSize:
-  Max: 16
+  Max: 18
 
 Documentation:
   Enabled: false
 Style/NegatedIf:
   Enabled: false
 Style/Not:
   Enabled: false
 Style/WordArray:
   Enabled: false
 Style/TrailingComma:
   Enabled: false
 Style/BlockDelimiters:
   Enabled: false
 Style/TrailingBlankLines:
   Enabled: false
 Style/EmptyLinesAroundClassBody:
   Enabled: false
 Style/EmptyLinesAroundModuleBody:
   Enabled: false
 Lint/HandleExceptions:
   Enabled: false
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 5a70282..3b17d27 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -1,30 +1,48 @@
 // This is a manifest file that'll be compiled into application.js, which will include all the files
 // listed below.
 //
 // Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
 // or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
 //
 // It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
 // compiled file.
 //
 // Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
 // about supported directives.
 //
 //= require jquery.min
 //= require jquery_ujs
 //= require bootstrap.min
 //= require typeahead.bundle.min
 //= require_tree .
 
 $(function() {
 
     // Show priority on MX record only
     $('#record_type').change(function() {
         if ($(this).val() == 'MX') {
             $('#record_prio').parents('div.form-group').removeClass('hidden');
         } else {
             $('#record_prio').parents('div.form-group').addClass('hidden');
         }
     });
 
+    var searchMembersGroup = $('#js-search-member').data('group');
+    var searchMembers = new Bloodhound({
+        datumTokenizer: Bloodhound.tokenizers.obj.whitespace('value'),
+        queryTokenizer: Bloodhound.tokenizers.whitespace,
+        remote: {
+            url: '/groups/' + searchMembersGroup + '/search_member.json?q=%QUERY',
+            wildcard: '%QUERY'
+        }
+    });
+
+    $('#js-search-member').typeahead({
+        hint: true,
+        minLength: 2
+    }, {
+        name: 'members',
+        display: 'email',
+        source: searchMembers
+    });
 });
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
new file mode 100644
index 0000000..1099405
--- /dev/null
+++ b/app/controllers/groups_controller.rb
@@ -0,0 +1,47 @@
+class GroupsController < ApplicationController
+  before_action :authenticate_user!
+
+  before_action :group, only: [:show, :create_member, :destroy_member, :search_member]
+  before_action :user, only: [:destroy_member]
+
+  # GET /groups/1
+  def show
+  end
+
+  # POST /groups/1/members/
+  def create_member
+    @user = User.find_by_email!(params[:email])
+    membership = @group.memberships.find_or_create_by!(user_id: @user.id)
+
+    redirect_to @group, notice: "#{membership.user.email} is now a member of #{@group.name}"
+  end
+
+  # DELETE /groups/1/member/1
+  def destroy_member
+    membership = @group.memberships.find_by!(user_id: user.id)
+    membership.destroy!
+
+    redirect_to @group, notice: "#{membership.user.email} was successfully removed from #{@group.name}"
+  end
+
+  def search_member
+    results = []
+
+    if params[:q].present?
+      uids = group.users.pluck(:id)
+      results = User
+                .where('email like ?', "#{params[:q]}%")
+                .where.not(id: uids) # Exclude group members
+                .limit(10)
+    end
+
+    render json: results.map { |r| Hash[:id, r.id, :email, r.email] }
+  end
+
+  private
+
+  def user
+    @user ||= User.find(params[:user_id])
+  end
+
+end
diff --git a/app/helpers/breadcrumb_helper.rb b/app/helpers/breadcrumb_helper.rb
index ef98682..0727ae7 100644
--- a/app/helpers/breadcrumb_helper.rb
+++ b/app/helpers/breadcrumb_helper.rb
@@ -1,56 +1,56 @@
 module BreadcrumbHelper
   # Domain
   # Domain / group / example.com
   # Domain / group / example.com / ns1.example.com IN A
   # Domain / group / example.com / new
   def breadcrumbs(leaf)
     crumbs = generate_crumbs_for(leaf)
 
     crumbs.each { |c|
       # Last element should not be a link
       if c == crumbs.last || c[:link].nil?
         yield c[:name]
       else
         yield link_to(c[:name], c[:link])
       end
     }
   end
 
   private
 
   # rubocop:disable all
   def generate_crumbs_for(leaf)
     stack = []
     crumbs = []
     stack.push leaf if leaf
 
     while crumb = stack.pop # rubocop:disable Lint/AssignmentInCondition
       case crumb
       when Record
         if crumb.persisted?
           crumbs.push(
             name: "#{crumb.name} IN #{crumb.type}",
             link: domain_record_path(crumb.domain_id, crumb))
         else
           crumbs.push(name: :new)
         end
         stack.push crumb.domain
       when Domain
         if crumb.persisted?
           crumbs.push(name: crumb.name, link: domain_path(crumb))
         else
           crumbs.push(name: :new)
         end
         stack.push crumb.group
       when Group
-        crumbs.push(name: crumb.name)
+        crumbs.push(name: crumb.name, link: group_path(crumb))
       end
     end
 
     crumbs.push(name: 'Domains', link: '/')
 
     crumbs.reverse
   end
   # rubocop:enable all
 
 end
diff --git a/app/views/domains/index.html.erb b/app/views/domains/index.html.erb
index fa9426c..f6d30d5 100644
--- a/app/views/domains/index.html.erb
+++ b/app/views/domains/index.html.erb
@@ -1,31 +1,31 @@
 <table class="table table-striped">
   <thead>
   </thead>
 
   <tbody>
     <% @domains.group_by(&:group).each do |group, domains| %>
       <tr>
-        <th colspan="2"><%= group.name %></th>
+        <th colspan="2"><%= link_to group.name, group_path(group) %></th>
         <th colspan="2">Controls</th>
       </tr>
       <% domains.each do |domain| %>
         <tr>
           <td><%= link_to domain.name, domain %></td>
           <td>
             <% if domain.reverse? %>
               <abbr title="Reverse"><span class="glyphicon glyphicon-chevron-left"></span></abbr>
             <% else %>
               <abbr title="Forward"><span class="glyphicon glyphicon-chevron-right"></span></abbr>
             <% end %>
           </td>
           <td><%= link_to 'Edit', edit_domain_path(domain) %></td>
           <td><%= link_to 'Destroy', domain, method: :delete, data: { confirm: 'Are you sure?' } %></td>
         </tr>
       <% end %>
     <% end %>
   </tbody>
 </table>
 
 <p>
   <%= link_to 'New Domain &raquo;'.html_safe, new_domain_path, class: 'btn btn-lg btn-primary' %>
 </p>
diff --git a/app/views/groups/show.html.erb b/app/views/groups/show.html.erb
new file mode 100644
index 0000000..8f0df1f
--- /dev/null
+++ b/app/views/groups/show.html.erb
@@ -0,0 +1,24 @@
+<table class="table table-striped table-hover">
+  <thead>
+    <tr>
+      <th>Members</th>
+      <th>Controls</th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @group.memberships.includes(:user).each do |membership| %>
+      <tr>
+        <td><%= membership.user.email %><%= " (you)" if current_user == membership.user %></td>
+        <td>
+          <%= link_to 'x', destroy_member_group_path(@group, membership.user_id), method: :delete %>
+        </td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<%= bootstrap_form_tag(url: create_member_group_path(@group), layout: :inline) do |f| %>
+  <%= f.text_field :email, prepend: 'Member', hide_label: true, id: 'js-search-member', data: { group: @group.id } %>
+  <%= f.submit 'Add', class: 'btn btn-primary' %>
+<% end %>
diff --git a/config/routes.rb b/config/routes.rb
index b98876d..7ef49f0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,22 +1,31 @@
 Rails.application.routes.draw do
   # Override devise user removal
   devise_scope :users do
     delete :users, to: redirect('/')
   end
   devise_for :users
 
   root to: redirect('/domains')
 
+  resources :groups, only: [:show] do
+    get :search_member,
+        to: 'groups#search_member', on: :member
+    post :members,
+         to: 'groups#create_member', as: :create_member, on: :member
+    delete 'member/:user_id',
+           to: 'groups#destroy_member', as: :destroy_member, on: :member
+  end
+
   resources :domains do
     resources :records, except: [:index, :show] do
       # Reuse records#update instead of introducing new controller actions
       #
       # rubocop:disable Style/AlignHash
       put :disable, to: 'records#update', on: :member,
           defaults: { record: { disabled: true } }
       put :enable,  to: 'records#update', on: :member,
           defaults: { record: { disabled: false } }
       # rubocop:enable Style/AlignHash
     end
   end
 end