diff --git a/islandora_spreadsheet_ingest.links.menu.yml b/islandora_spreadsheet_ingest.links.menu.yml
index 005cf5e..8b350dc 100644
--- a/islandora_spreadsheet_ingest.links.menu.yml
+++ b/islandora_spreadsheet_ingest.links.menu.yml
@@ -4,3 +4,8 @@ islandora_spreadsheet_ingest.request.list:
   parent: system.admin_content
   title: 'Add from Spreadsheet'
   description: 'Permits ingest of content described in spreadsheets.'
+islandora_spreadsheet_ingest.admin:
+  route_name: islandora_spreadsheet_ingest.admin
+  parent: system.admin_config_islandora
+  title: 'Islandora Spreadsheet Ingest Settings'
+  description: 'Configure settings for the Islandora Spreadsheet Ingest module.'
diff --git a/islandora_spreadsheet_ingest.module b/islandora_spreadsheet_ingest.module
index 6a8e84b..565768c 100644
--- a/islandora_spreadsheet_ingest.module
+++ b/islandora_spreadsheet_ingest.module
@@ -5,7 +5,9 @@
  * General hook implementations.
  */
 
+use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Url;
 
 use Drupal\islandora_spreadsheet_ingest\RequestInterface;
@@ -134,3 +136,37 @@ function islandora_spreadsheet_ingest_entity_operation(EntityInterface $entity)
 
   return $ops;
 }
+
+/**
+ * Helper for the migration access checks.
+ *
+ * @see islandora_spreadsheet_ingest_migration_group_entity_access()
+ * @see islandora_spreadsheet_ingest_migration_entity_access()
+ */
+function _islandora_spreadsheet_ingest_migration_entity_helper(EntityInterface $entity, AccountInterface $account, $uid, $tags) {
+  return AccessResult::allowedIf(in_array('isi_derived_migration', $tags))
+    ->addCacheableDependency($entity)
+    ->andIf(
+      AccessResult::allowedIf($uid !== FALSE && $uid == $account->id())
+        ->cachePerUser()
+    );
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_entity_access() for migration_group entities.
+ */
+function islandora_spreadsheet_ingest_migration_group_entity_access(EntityInterface $entity, $operation, AccountInterface $account) {
+  $shared = $entity->shared_configuration ?? [];
+  $tags = NestedArray::getValue($shared, ['migration_tags']) ?? [];
+  $uid = NestedArray::getValue($shared, ['source', 'isi', 'uid']) ?? FALSE;
+  return _islandora_spreadsheet_ingest_migration_entity_helper($entity, $account, $uid, $tags);
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_entity_access() for migration entities.
+ */
+function islandora_spreadsheet_ingest_migration_entity_access(EntityInterface $entity, $operation, AccountInterface $account) {
+  $tags = $entity->migration_tags ?? [];
+  $uid = NestedArray::getValue($entity->source, ['isi', 'uid']) ?? FALSE;
+  return _islandora_spreadsheet_ingest_migration_entity_helper($entity, $account, $uid, $tags);
+}
diff --git a/islandora_spreadsheet_ingest.permissions.yml b/islandora_spreadsheet_ingest.permissions.yml
new file mode 100644
index 0000000..7f22a4d
--- /dev/null
+++ b/islandora_spreadsheet_ingest.permissions.yml
@@ -0,0 +1,15 @@
+---
+'administer islandora_spreadsheet_ingest requests':
+  title: 'Administer requests'
+'create islandora_spreadsheet_ingest requests':
+  title: 'Create request'
+'edit islandora_spreadsheet_ingest requests':
+  title: 'Edit request'
+'edit islandora_spreadsheet_ingest request mapping':
+  title: 'Edit request mapping'
+'view islandora_spreadsheet_ingest requests':
+  title: 'View requests'
+'activate islandora_spreadsheet_ingest requests':
+  title: 'Activate requests'
+'deleta islandora_spreadsheet_ingest requests':
+  title: 'Delete requests'
diff --git a/islandora_spreadsheet_ingest.routing.yml b/islandora_spreadsheet_ingest.routing.yml
index a626ac3..98f2a83 100644
--- a/islandora_spreadsheet_ingest.routing.yml
+++ b/islandora_spreadsheet_ingest.routing.yml
@@ -5,46 +5,54 @@ entity.isi_request.list:
     _entity_list: isi_request
     _title: Islandora Spreadsheet Ingest
   requirements:
-    _permission: 'access content overview'
+    _permission: 'view islandora_spreadsheet_ingest requests'
 entity.isi_request.add_form:
   path: '/admin/content/islandora_spreadsheet_ingest/add'
   defaults:
     _title: 'Add Content From Spreadsheet - Upload'
     _entity_form: 'isi_request.add'
   requirements:
-    _permission: 'access content overview'
+    _entity_create_access: 'isi_request'
 entity.isi_request.edit_form:
   path: '/admin/content/islandora_spreadsheet_ingest/{isi_request}/edit'
   defaults:
     _title: 'Edit'
     _entity_form: 'isi_request.edit'
   requirements:
-    _permission: 'access content overview'
+    _entity_access: 'isi_request.update'
 entity.isi_request.map_form:
   path: '/admin/content/islandora_spreadsheet_ingest/{isi_request}/mapping'
   defaults:
     _title: 'Mapping'
     _entity_form: 'isi_request.map'
   requirements:
-    _permission: 'access content overview'
+    _entity_access: 'isi_request.map'
 entity.isi_request.delete_form:
   path: '/admin/content/islandora_spreadsheet_ingest/{isi_request}/delete'
   defaults:
     _title: 'Delete'
     _entity_form: 'isi_request.delete'
   requirements:
-    _permission: 'access content overview'
+    _entity_access: 'isi_request.delete'
 entity.isi_request.view:
   path: '/admin/content/islandora_spreadsheet_ingest/{isi_request}'
   defaults:
-    #_title: 'View'
-    _entity_form: 'isi_request.view'
+    _entity_view: 'isi_request.full'
   requirements:
-    _permission: 'access content overview'
+    _entity_access: 'isi_request.view'
 entity.isi_request.activate_form:
   path: '/admin/content/islandora_spreadsheet_ingest/{isi_request}/activate'
   defaults:
     _title: 'Activate'
     _entity_form: 'isi_request.activate'
   requirements:
-    _permission: 'access content overview'
+    _entity_access: 'isi_request.activate'
+islandora_spreadsheet_ingest.admin:
+  path: '/admin/config/islandora_spreadsheet_ingest'
+  defaults:
+    _title: 'Islandora Spreadsheet Ingest'
+    _form: '\Drupal\islandora_spreadsheet_ingest\Form\Admin'
+  requirements:
+    _permission: 'administer islandora_spreadsheet_ingest requests'
+  options:
+    _admin_route: TRUE
diff --git a/modules/islandora_spreadsheet_ingest_example/config/install/migrate_plus.migration.isi_file.yml b/modules/islandora_spreadsheet_ingest_example/config/install/migrate_plus.migration.isi_file.yml
index 9e65692..b6fa9de 100644
--- a/modules/islandora_spreadsheet_ingest_example/config/install/migrate_plus.migration.isi_file.yml
+++ b/modules/islandora_spreadsheet_ingest_example/config/install/migrate_plus.migration.isi_file.yml
@@ -12,6 +12,7 @@ process:
     - plugin: skip_on_empty
       method: row
       message: 'Field Digital_File is missing'
+    - plugin: file_is_accessible
   _destination_filename:
     - plugin: get
       source: '@_file_defined'
diff --git a/src/Controller/RequestListBuilder.php b/src/Controller/RequestListBuilder.php
index 2651b63..738e5b3 100644
--- a/src/Controller/RequestListBuilder.php
+++ b/src/Controller/RequestListBuilder.php
@@ -2,14 +2,25 @@
 
 namespace Drupal\islandora_spreadsheet_ingest\Controller;
 
+use Drupal\Core\Link;
 use Drupal\Core\Config\Entity\ConfigEntityListBuilder;
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Request config entity list builder.
  */
 class RequestListBuilder extends ConfigEntityListBuilder {
 
+  /**
+   * The migration group deriver service.
+   *
+   * @var \Drupal\islandora_spreadsheet_ingest\MigrationGroupDeriverInterface
+   */
+  protected $migrationGroupDeriver;
+
   /**
    * {@inheritdoc}
    */
@@ -19,6 +30,7 @@ public function buildHeader() {
     $header['label'] = $this->t('Request');
     $header['id'] = $this->t('ID');
     $header['active'] = $this->t('Active');
+    $header['migration_group'] = $this->t('Migration group');
 
     return $header + parent::buildHeader();
   }
@@ -27,11 +39,55 @@ public function buildHeader() {
    * {@inheritdoc}
    */
   public function buildRow(EntityInterface $entity) {
-    $row['label'] = $entity->label();
+    $row['label'] = $entity->toLink(NULL, 'edit-form');
+    if (!$row['label']->getUrl()->access()) {
+      $row['label'] = $entity->label();
+    }
     $row['id'] = $entity->id();
-    $row['active'] = $entity->getActive() ? $this->t('Active') : $this->t('Inactive');
+
+    $mg_name = $this->migrationGroupDeriver->deriveName($entity);
+    // XXX: The migration_group entity does not actually have this listed as one
+    // of its routes (it is instead on the "migration" entity for some reason...
+    // ... anyway... let's build out a link to it.
+    $mg_link = Link::createFromRoute(
+      $mg_name,
+      'entity.migration.list',
+      ['migration_group' => $mg_name]
+    );
+    $activate_link = $entity->toLink($entity->getActive() ? $this->t('Active') : $this->t('Inactive'), 'activate-form');
+    $row['active'] = $activate_link->getUrl()->access() ?
+      $activate_link :
+      $activate_link->getText();
+    $row['migration_group'] = $entity->getActive() ?
+       ($mg_link->getUrl()->access() ?
+        $mg_link :
+        $mg_link->getText()) :
+       '';
 
     return $row + parent::buildRow($entity);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getOperations(EntityInterface $entity) {
+    $ops = parent::getOperations($entity);
+
+    // Filter to only those operations to which the user has access.
+    return array_filter($ops, function ($op) {
+      return $op['url']->access();
+    });
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+    $instance = parent::createInstance($container, $entity_type);
+
+    $instance->migrationGroupDeriver = $container->get('islandora_spreadsheet_ingest.migration_group_deriver');
+
+    return $instance;
+  }
+
 }
diff --git a/src/Entity/Request.php b/src/Entity/Request.php
index 1aafd71..7eed19c 100644
--- a/src/Entity/Request.php
+++ b/src/Entity/Request.php
@@ -21,10 +21,12 @@
  *       "edit" = "Drupal\islandora_spreadsheet_ingest\Form\Ingest\FileUpload",
  *       "map" = "Drupal\islandora_spreadsheet_ingest\Form\Ingest\Mapping",
  *       "view" = "Drupal\islandora_spreadsheet_ingest\Form\Ingest\Review",
- *     }
+ *     },
+ *     "access" = "Drupal\islandora_spreadsheet_ingest\RequestAccessControlHandler",
+ *     "view_builder" = "Drupal\islandora_spreadsheet_ingest\RequestViewBuilder",
  *   },
  *   config_prefix = "request",
- *   admin_permission = "administer site configuration",
+ *   admin_permission = "administer islandora_spreadsheet_ingest requests",
  *   entity_keys = {
  *     "id" = "id",
  *     "label" = "label",
diff --git a/src/Form/Admin.php b/src/Form/Admin.php
new file mode 100644
index 0000000..954d021
--- /dev/null
+++ b/src/Form/Admin.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Drupal\islandora_spreadsheet_ingest\Form;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\StreamWrapper\StreamWrapperInterface;
+use Drupal\Core\StreamWrapper\StreamWrapperManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Module settings form.
+ */
+class Admin extends ConfigFormBase {
+
+  /**
+   * The StreamWrapperManager.
+   *
+   * @var \Drupal\Core\StreamWrapper\StreamWrapperManagerInterface
+   */
+  protected $streamWrapperManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(ConfigFactoryInterface $config_factory, StreamWrapperManagerInterface $stream_wrapper_manager) {
+    parent::__construct($config_factory);
+    $this->streamWrapperManager = $stream_wrapper_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('config.factory'),
+      $container->get('stream_wrapper_manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'islandora_spreadsheet_ingest_admin_settings_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $form = [];
+    $config = $this->config('islandora_spreadsheet_ingest.settings');
+    $current_whitelist = $config->get('binary_directory_whitelist');
+    $form['schemes'] = [
+      '#type' => 'checkboxes',
+      '#title' => $this->t('Schemes'),
+      '#description' => $this->t('Allowed list of schemes for which binaries can be referenced from.'),
+      '#default_value' => $config->get('schemes') ?? [],
+      '#options' => $this->streamWrapperManager->getNames(StreamWrapperInterface::READ_VISIBLE),
+    ];
+    $form['paths'] = [
+      '#type' => 'textarea',
+      '#title' => $this->t('Binary path whitelist'),
+      '#default_value' => $current_whitelist ? implode(',', $current_whitelist) : '',
+      '#description' => $this->t('A comma separated list of local locations from which spreadsheet ingests can use binaries.'),
+    ];
+    $form['submit'] = [
+      '#type' => 'submit',
+      '#value' => $this->t('Save'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return ['islandora_spreadsheet_ingest.settings'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $config = $this->config('islandora_spreadsheet_ingest.settings');
+    $whitelist = explode(',', $form_state->getValue('paths'));
+    $config->set('binary_directory_whitelist', $whitelist);
+    $config->set('schemes', array_filter($form_state->getValue('schemes')));
+    $config->save();
+    parent::submitForm($form, $form_state);
+  }
+
+}
diff --git a/src/Form/Ingest/FileUpload.php b/src/Form/Ingest/FileUpload.php
index dbc020d..9f5829e 100644
--- a/src/Form/Ingest/FileUpload.php
+++ b/src/Form/Ingest/FileUpload.php
@@ -363,7 +363,7 @@ public function save(array $form, FormStateInterface $form_state) {
     try {
       $request->save();
 
-      $form_state->setRedirect('entity.isi_request.map_form', [
+      $form_state->setRedirect('entity.isi_request.view', [
         'isi_request' => $request->id(),
       ]);
     }
diff --git a/src/Form/Ingest/Mapping.php b/src/Form/Ingest/Mapping.php
index 5eb9e09..c743df5 100644
--- a/src/Form/Ingest/Mapping.php
+++ b/src/Form/Ingest/Mapping.php
@@ -103,14 +103,19 @@ protected function mapMappings($entity_type, $entity, &$form, FormStateInterface
   protected function actions(array $form, FormStateInterface $form_state) {
     $actions = parent::actions($form, $form_state);
 
+    $entity_validation = [
+      '::preValidateEntity',
+      '::validateEntity',
+    ];
+
+    // Add the validation to the normal submit.
+    $actions['submit']['#validate'] = $entity_validation;
+
     // Add "save and review" button or whatever.
     $actions['save_and_review'] = [
       '#type' => 'submit',
       '#value' => $this->t('Save and proceed'),
-      '#validate' => [
-        '::preValidateEntity',
-        '::validateEntity',
-      ],
+      '#validate' => $entity_validation,
       '#submit' => array_merge(
         $actions['submit']['#submit'],
         [
diff --git a/src/MigrationDeriver.php b/src/MigrationDeriver.php
index 71093a0..8dd5981 100644
--- a/src/MigrationDeriver.php
+++ b/src/MigrationDeriver.php
@@ -246,9 +246,12 @@ public function createAll(RequestInterface $request) {
         'label' => $original_migration->label(),
         'migration_group' => $mg_name,
         'source' => [
-        /*
-         *  XXX: Doesn't appear necessary to specify the columns?
+        /* XXX: Doesn't appear necessary to specify the columns?
          *   'columns' => array_unique(iterator_to_array($this->getUsedColumns($info['mappings']))),
+         *
+         * @note: Constants and other things defined in the source on
+         * individual migrations will not be passed through. This is a design
+         * choice. If needed specify them on the group itself.
          */
         ],
         'process' => iterator_to_array(
diff --git a/src/Plugin/migrate/process/AccessibleFile.php b/src/Plugin/migrate/process/AccessibleFile.php
new file mode 100644
index 0000000..df155e8
--- /dev/null
+++ b/src/Plugin/migrate/process/AccessibleFile.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace Drupal\islandora_spreadsheet_ingest\Plugin\migrate\process;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\File\FileSystemInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\StreamWrapper\StreamWrapperManagerInterface;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\MigrateSkipRowException;
+use Drupal\migrate\ProcessPluginBase;
+use Drupal\migrate\Row;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Validates that a given filepath is accessible given configured constraints.
+ *
+ * The source value is in the form of '/path/to/foo.txt' or 'public://bar.txt'.
+ *
+ * Examples:
+ *
+ * @code
+ * process:
+ *   path_to_file:
+ *     plugin: file_is_accessible
+ *     source: /path/to/file.png
+ * @endcode
+ *
+ * @see \Drupal\migrate\Plugin\MigrateProcessInterface
+ *
+ * @MigrateProcessPlugin(
+ *   id = "file_is_accessible"
+ * )
+ */
+class AccessibleFile extends ProcessPluginBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * The stream wrapper manager service.
+   *
+   * @var \Drupal\Core\StreamWrapper\StreamWrapperManagerInterface
+   */
+  protected $streamWrapperManager;
+
+  /**
+   * The file system service.
+   *
+   * @var \Drupal\Core\File\FileSystemInterface
+   */
+  protected $fileSystem;
+
+  /**
+   * The config factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Constructs a file_is_accessible process plugin.
+   *
+   * @param array $configuration
+   *   The plugin configuration.
+   * @param string $plugin_id
+   *   The plugin ID.
+   * @param mixed $plugin_definition
+   *   The plugin definition.
+   * @param \Drupal\Core\StreamWrapper\StreamWrapperManagerInterface $stream_wrappers
+   *   The stream wrapper manager service.
+   * @param \Drupal\Core\File\FileSystemInterface $file_system
+   *   The file system service.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config
+   *   The config factory.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, StreamWrapperManagerInterface $stream_wrappers, FileSystemInterface $file_system, ConfigFactoryInterface $config) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->fileSystem = $file_system;
+    $this->streamWrapperManager = $stream_wrappers;
+    $this->configFactory = $config;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('stream_wrapper_manager'),
+      $container->get('file_system'),
+      $container->get('config.factory')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    $allowed_paths = $this->configFactory->get('islandora_spreadsheet_ingest.settings')->get('binary_directory_whitelist');
+    $allowed_schemes = $this->configFactory->get('islandora_spreadsheet_ingest.settings')->get('schemes');
+
+    // If it's a local path check to see if it's in our allowed list.
+    $file_path = $this->fileSystem->realpath($value);
+    if ($file_path) {
+      foreach ($allowed_paths as $path) {
+        if (strpos($file_path, $path) === 0) {
+          return $value;
+        }
+      }
+    }
+
+    // If the file has a scheme check to see if it's in our allowed list.
+    $file_scheme = $this->streamWrapperManager->getScheme($value);
+    if ($file_scheme) {
+      foreach ($allowed_schemes as $scheme) {
+        if ($file_scheme === $scheme) {
+          return $value;
+        }
+      }
+    }
+    throw new MigrateSkipRowException(strtr("The file provided (:file) is not allowed within the configured approved list of directories or schemes.", [
+      ':file' => $value,
+    ]));
+  }
+
+}
diff --git a/src/RequestAccessControlHandler.php b/src/RequestAccessControlHandler.php
new file mode 100644
index 0000000..475e195
--- /dev/null
+++ b/src/RequestAccessControlHandler.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace Drupal\islandora_spreadsheet_ingest;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Entity\EntityAccessControlHandler;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Access control handler for isi_request entities.
+ */
+class RequestAccessControlHandler extends EntityAccessControlHandler {
+
+  const MAP = [
+    'update' => ['edit islandora_spreadsheet_ingest requests'],
+    'map' => ['edit islandora_spreadsheet_ingest request mapping'],
+    'view' => ['view islandora_spreadsheet_ingest requests'],
+    'activate' => ['activate islandora_spreadsheet_ingest requests'],
+    'delete' => ['delete islandora_spreadsheet_ingest requests'],
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
+    return parent::checkCreateAccess($account, $context, $entity_bundle)
+      ->orIf(AccessResult::allowedIfHasPermission($account, 'create islandora_spreadsheet_ingest requests'));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
+    return parent::checkAccess($entity, $operation, $account)
+      ->orIf($this->specificCheckAccess($entity, $operation, $account));
+  }
+
+  /**
+   * Helper; check our specific requirements.
+   *
+   * @see ::checkAccess()
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   Our result.
+   */
+  protected function specificCheckAccess(EntityInterface $entity, $operation, AccountInterface $account) {
+    if (!isset(static::MAP[$operation])) {
+      return AccessResult::neutral();
+    }
+    else {
+      return AccessResult::allowedIfHasPermissions($account, static::MAP[$operation])
+        ->andIf(
+          AccessResult::allowedIf($entity->getOwner() == $account->id())
+            ->cachePerUser()
+        );
+    }
+  }
+
+}
diff --git a/src/RequestViewBuilder.php b/src/RequestViewBuilder.php
new file mode 100644
index 0000000..7118f77
--- /dev/null
+++ b/src/RequestViewBuilder.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\islandora_spreadsheet_ingest;
+
+use Drupal\Core\Link;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Entity\EntityViewBuilder;
+use Drupal\Core\Render\Element;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * View builder for isi_request entities.
+ */
+class RequestViewBuilder extends EntityViewBuilder {
+
+  /**
+   * User/account storage service.
+   *
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $userStorage;
+
+  /**
+   * The migration group deriver service.
+   *
+   * @var \Drupal\islandora_spreadsheet_ingest\MigrationGroupDeriverInterface
+   */
+  protected $migrationGroupDeriver;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildMultiple(array $build_list) {
+
+    foreach (Element::children($build_list) as $key) {
+      $item =& $build_list[$key];
+
+      $item['label'] = [
+        '#type' => 'item',
+        '#title' => $this->t('Label'),
+        '#markup' => $item['#isi_request']->label(),
+      ];
+
+      $owner = $this->userStorage->load($item['#isi_request']->getOwner());
+      $item['owner'] = [
+        '#type' => 'item',
+        '#title' => $this->t('Owner'),
+        'username' => ($owner ?
+          [
+            '#theme' => 'username',
+            '#account' => $owner,
+          ] :
+          $this->t('Unknown user')),
+      ];
+      $item['active'] = [
+        '#type' => 'item',
+        '#title' => $this->t('Active'),
+        '#markup' => ($item['#isi_request']->getActive() ?
+          $this->t('Yes') :
+          $this->t('No')),
+      ];
+      $mg_name = $this->migrationGroupDeriver->deriveName($item['#isi_request']);
+      $mg_link = Link::createFromRoute(
+        $mg_name,
+        'entity.migration.list',
+        ['migration_group' => $mg_name]
+      );
+      $item['migration_group'] = [
+        '#type' => 'item',
+        '#title' => $this->t('Migration group'),
+        '#access' => $item['#isi_request']->getActive(),
+      ];
+      if ($mg_link->getUrl()->access()) {
+        $item['migration_group']['link'] = $mg_link->toRenderable();
+      }
+      else {
+        $item['migration_group']['#markup'] = $mg_link->getText();
+      }
+    }
+
+    return $build_list;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+    $instance = parent::createInstance($container, $entity_type);
+
+    $instance->userStorage = $container->get('entity_type.manager')->getStorage('user');
+    $instance->migrationGroupDeriver = $container->get('islandora_spreadsheet_ingest.migration_group_deriver');
+
+    return $instance;
+  }
+
+}