diff --git a/includes/Checker/Preparations/Universal_Runtime_Preparation.php b/includes/Checker/Preparations/Universal_Runtime_Preparation.php
new file mode 100644
index 000000000..cd4ab8793
--- /dev/null
+++ b/includes/Checker/Preparations/Universal_Runtime_Preparation.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Class WordPress\Plugin_Check\Checker\Preparations\Universal_Runtime_Preparation
+ *
+ * @package plugin-check
+ */
+
+namespace WordPress\Plugin_Check\Checker\Preparations;
+
+use WordPress\Plugin_Check\Checker\Check_Context;
+use WordPress\Plugin_Check\Checker\Preparation;
+use Exception;
+
+/**
+ * Class handle all preparations required for when at least one `Runtime_Check` is being run.
+ *
+ * @since n.e.x.t
+ */
+class Universal_Runtime_Preparation implements Preparation {
+
+	/**
+	 * Context for the plugin to check.
+	 *
+	 * @since n.e.x.t
+	 * @var Check_Context
+	 */
+	protected $check_context;
+
+	/**
+	 * Sets the context for the plugin to check.
+	 *
+	 * @since n.e.x.t
+	 *
+	 * @param Check_Context $check_context Check context instance for the plugin.
+	 */
+	public function __construct( Check_Context $check_context ) {
+		$this->check_context = $check_context;
+	}
+
+	/**
+	 * Runs preparation step for the environment by modifying the plugins and theme to use,
+	 * and returns a closure as a cleanup function.
+	 *
+	 * This preparation needs to be called very early in the WordPress lifecycle, before
+	 * plugins are loaded, e.g. from a drop-in like `object-cache.php`.
+	 *
+	 * @since n.e.x.t
+	 *
+	 * @return callable Cleanup function to revert changes made by theme and plugin preparation classes.
+	 *
+	 * @throws Exception Thrown when preparation fails.
+	 */
+	public function prepare() {
+
+		$cleanup_functions = array();
+
+		$use_minimal_theme_preparation = new Use_Minimal_Theme_Preparation( 'wp-empty-theme', WP_PLUGIN_CHECK_PLUGIN_DIR_PATH . '/test-content/themes' );
+		$cleanup_functions[]           = $use_minimal_theme_preparation->prepare();
+
+		$force_single_plugin_preparation = new Force_Single_Plugin_Preparation( $this->check_context->basename() );
+		$cleanup_functions[]             = $force_single_plugin_preparation->prepare();
+
+		// Return the cleanup function.
+		return function () use ( $cleanup_functions ) {
+
+			foreach ( $cleanup_functions as $cleanup_function ) {
+				$cleanup_function();
+			}
+		};
+	}
+}
diff --git a/tests/Checker/Preparations/Universal_Runtime_Preparation_Tests.php b/tests/Checker/Preparations/Universal_Runtime_Preparation_Tests.php
new file mode 100644
index 000000000..c805b0e21
--- /dev/null
+++ b/tests/Checker/Preparations/Universal_Runtime_Preparation_Tests.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * Tests for the Universal_Runtime_Preparation class.
+ *
+ * @package plugin-check
+ */
+
+namespace Checker\Preparations;
+
+use WordPress\Plugin_Check\Checker\Check_Context;
+use WordPress\Plugin_Check\Checker\Preparations\Universal_Runtime_Preparation;
+use WP_UnitTestCase;
+
+class Universal_Runtime_Preparation_Tests extends WP_UnitTestCase {
+
+	public function test_prepare() {
+		$check_context = new Check_Context( plugin_basename( WP_PLUGIN_CHECK_MAIN_FILE ) );
+
+		$universal_runtime_preparation = new Universal_Runtime_Preparation( $check_context );
+
+		$cleanup = $universal_runtime_preparation->prepare();
+
+		$this->assertTrue( has_filter( 'option_active_plugins' ) );
+		$this->assertTrue( has_filter( 'default_option_active_plugins' ) );
+		$this->assertTrue( has_filter( 'stylesheet' ) );
+		$this->assertTrue( has_filter( 'template' ) );
+		$this->assertTrue( has_filter( 'pre_option_template' ) );
+		$this->assertTrue( has_filter( 'pre_option_stylesheet' ) );
+		$this->assertTrue( has_filter( 'pre_option_current_theme' ) );
+		$this->assertTrue( has_filter( 'pre_option_template_root' ) );
+		$this->assertTrue( has_filter( 'pre_option_stylesheet_root' ) );
+
+		$cleanup();
+
+		$this->assertFalse( has_filter( 'option_active_plugins' ) );
+		$this->assertFalse( has_filter( 'default_option_active_plugins' ) );
+		$this->assertFalse( has_filter( 'stylesheet' ) );
+		$this->assertFalse( has_filter( 'template' ) );
+		$this->assertFalse( has_filter( 'pre_option_template' ) );
+		$this->assertFalse( has_filter( 'pre_option_stylesheet' ) );
+		$this->assertFalse( has_filter( 'pre_option_current_theme' ) );
+		$this->assertFalse( has_filter( 'pre_option_template_root' ) );
+		$this->assertFalse( has_filter( 'pre_option_stylesheet_root' ) );
+	}
+}