diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9a45e7..6f86eee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,12 +6,26 @@ All notable changes to this project will be documented in this file.
 - This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html),
 - Commits respect [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) & use [Gitmoji](https://gitmoji.dev/).
 
+## [1.0.3] - 2026-11-04
+
+### 🚀 Features
+
+- *(StorageServiceConfig)* Support scoped driver with boot-time underlying driver resolution
+
+### 🎨 Styling
+
+- *(tests)* Fix spacing in docblock for allowedExtensions
+
 ## [1.0.2] - 2026-11-04
 
 ### 🚀 Features
 
 - *(StorageServiceConfig)* Add prefix handling and validation
 
+### ⚙️ Miscellaneous Tasks
+
+- *(cliff.toml)* Add spacing before release headings in changelog
+
 ## [1.0.1] - 2026-11-04
 
 ### 🚀 Features
diff --git a/composer.json b/composer.json
index 070c79e..88867cc 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "uwil/storage-laravel",
     "description": "Handles file storage",
     "license": "MIT",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "readme": "https://lab.s-web.fr/ldc-web/projets/storage-laravel/-/blob/main/README.md",
     "support": {
         "email": "digital@ldc.fr",
diff --git a/src/Config/StorageServiceConfig.php b/src/Config/StorageServiceConfig.php
index 82d2191..4ff0afc 100644
--- a/src/Config/StorageServiceConfig.php
+++ b/src/Config/StorageServiceConfig.php
@@ -19,6 +19,9 @@ final class StorageServiceConfig
 
     private ?string $prefix = null;
 
+    /** @var array<string, string> Laravel disk name => physical driver (scoped disks resolved to their parent) */
+    private array $realDrivers = [];
+
     /**
      * @param  string[]  $eligibleDisks
      * @param  object{'disk':string,'driver':string}[]  $laravelExistingDisks
@@ -140,6 +143,15 @@ final class StorageServiceConfig
             $disk->disk,
             $disk->driver
         ), $intersectWithDrivers);
+
+        $this->resolveRealDrivers();
+    }
+
+    private function resolveRealDrivers(): void
+    {
+        foreach ([$this->default, ...$this->eligibles] as $disk) {
+            $this->realDrivers[$disk->value] = Utils::resolveDriver($disk->value, $disk->driver);
+        }
     }
 
     public function getPrefix(): ?string
@@ -191,4 +203,15 @@ final class StorageServiceConfig
     {
         return $this->allowedExtensions;
     }
+
+    public function getRealDriver(DiskName $disk): string
+    {
+        return $this->realDrivers[$disk->value]
+            ?? throw new UnexpectedStorageException("Disk {$disk->value} is neither the default nor an eligible disk");
+    }
+
+    public function isS3Driver(DiskName $disk): bool
+    {
+        return $this->getRealDriver($disk) === 's3';
+    }
 }
diff --git a/src/Lib/StorageGatewayImpl.php b/src/Lib/StorageGatewayImpl.php
index dbcc6d5..dfdfcfb 100644
--- a/src/Lib/StorageGatewayImpl.php
+++ b/src/Lib/StorageGatewayImpl.php
@@ -7,6 +7,7 @@ namespace Uwil\Storage\Lib;
 use Illuminate\Contracts\Filesystem\Filesystem;
 use Illuminate\Support\Facades\Storage;
 use Psr\Log\LoggerInterface;
+use Uwil\Storage\Config\StorageServiceConfig;
 use Uwil\Storage\Contracts\PathGenerator;
 use Uwil\Storage\Contracts\StorageGateway;
 use Uwil\Storage\Exceptions\StorageException;
@@ -21,6 +22,7 @@ use Uwil\Storage\Lib\ValueObjects\StorageFilePath;
 readonly class StorageGatewayImpl implements StorageGateway
 {
     public function __construct(
+        private StorageServiceConfig $config,
         private LoggerInterface $logger,
         private DateHashPathGenerator $datePathGenerator,
         private UuidPathGenerator $uuidPathGenerator
@@ -123,12 +125,12 @@ readonly class StorageGatewayImpl implements StorageGateway
 
     private function pathGeneratorFor(DiskName $disk): PathGenerator
     {
-        return match ($disk->driver) {
-            'local' => $this->datePathGenerator,
-            'ftp'   => $this->datePathGenerator,
-            'sftp'  => $this->datePathGenerator,
-            's3'    => $this->uuidPathGenerator,
-            default => throw new UnexpectedStorageException("Unsupported disk driver: {$disk->driver} on disk {$disk->value}"),
+        $realDriver = $this->config->getRealDriver($disk);
+
+        return match ($realDriver) {
+            'local', 'ftp', 'sftp' => $this->datePathGenerator,
+            's3'                   => $this->uuidPathGenerator,
+            default                => throw new UnexpectedStorageException("Unsupported disk driver: {$realDriver} on disk {$disk->value}"),
         };
     }
 
diff --git a/src/Lib/Utils.php b/src/Lib/Utils.php
index be6193c..3e3c08b 100644
--- a/src/Lib/Utils.php
+++ b/src/Lib/Utils.php
@@ -4,8 +4,10 @@ declare(strict_types=1);
 
 namespace Uwil\Storage\Lib;
 
+use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Storage;
 use Uwil\Storage\Config\StorageServiceConfig;
+use Uwil\Storage\Exceptions\UnexpectedStorageException;
 
 class Utils
 {
@@ -14,6 +16,45 @@ class Utils
         // Abstract class.
     }
 
+    public static function resolveDriver(string $disk, ?string $driver = null): string
+    {
+        $currentDisk = $disk;
+
+        if ($driver === null) {
+            /** @var mixed $raw */
+            $raw    = Config::get("filesystems.disks.{$currentDisk}.driver");
+            $driver = is_string($raw) ? $raw : '';
+        }
+
+        $visited = [$currentDisk];
+
+        while ($driver === 'scoped') {
+            /** @var mixed $parentDisk */
+            $parentDisk = Config::get("filesystems.disks.{$currentDisk}.disk");
+
+            if (! is_string($parentDisk) || $parentDisk === '') {
+                throw new UnexpectedStorageException("Scoped disk '{$currentDisk}' is missing a valid parent 'disk' configuration.");
+            }
+
+            if (in_array($parentDisk, $visited, true)) {
+                throw new UnexpectedStorageException("Circular reference detected in scoped disk '{$currentDisk}'.");
+            }
+
+            /** @var mixed $parentDriver */
+            $parentDriver = Config::get("filesystems.disks.{$parentDisk}.driver");
+
+            if (! is_string($parentDriver) || $parentDriver === '') {
+                throw new UnexpectedStorageException("Parent disk '{$parentDisk}' of scoped disk '{$currentDisk}' has no valid driver configured.");
+            }
+
+            $visited[]   = $parentDisk;
+            $driver      = $parentDriver;
+            $currentDisk = $parentDisk;
+        }
+
+        return $driver;
+    }
+
     public static function diskExists(string | \UnitEnum $disk): bool
     {
         try {
diff --git a/src/Lib/ValueObjects/DiskName.php b/src/Lib/ValueObjects/DiskName.php
index 03f5cb0..3efff0c 100644
--- a/src/Lib/ValueObjects/DiskName.php
+++ b/src/Lib/ValueObjects/DiskName.php
@@ -9,7 +9,7 @@ use Uwil\Storage\Lib\Utils;
 
 final readonly class DiskName implements \Stringable
 {
-    public const array ALLOWED_DRIVERS = ['local', 'ftp', 'sftp', 's3'];
+    public const array ALLOWED_DRIVERS = ['local', 'ftp', 'sftp', 's3', 'scoped'];
 
     public string $value;
 
diff --git a/src/StorageServiceProvider.php b/src/StorageServiceProvider.php
index 7052475..79ab7c1 100644
--- a/src/StorageServiceProvider.php
+++ b/src/StorageServiceProvider.php
@@ -92,6 +92,7 @@ class StorageServiceProvider extends ServiceProvider
         $this->app->bind(
             StorageGateway::class,
             fn (Application $app) => new StorageGatewayImpl(
+                $app->make(StorageServiceConfig::class),
                 $app->make(LoggerInterface::class),
                 $app->make(DateHashPathGenerator::class),
                 $app->make(UuidPathGenerator::class),
diff --git a/tests/Unit/Config/StorageServiceConfigTest.php b/tests/Unit/Config/StorageServiceConfigTest.php
index cfef058..da11901 100644
--- a/tests/Unit/Config/StorageServiceConfigTest.php
+++ b/tests/Unit/Config/StorageServiceConfigTest.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Uwil\Storage\Tests\Unit\Config;
 
+use Illuminate\Support\Facades\Storage;
 use Uwil\Storage\Config\StorageServiceConfig;
 use Uwil\Storage\Exceptions\UnexpectedStorageException;
 use Uwil\Storage\Lib\ValueObjects\DiskName;
@@ -415,3 +416,97 @@ describe('StorageServiceConfig prefix validation and retrieval', function (): vo
         'double slash'   => 'media//sub',
     ]);
 });
+
+describe('StorageServiceConfig real driver resolution', function (): void {
+    it('resolves direct drivers of default and eligible disks', function (): void {
+        // GIVEN
+        Storage::fake('s3');
+
+        // WHEN
+        $config = new StorageServiceConfig(
+            defaultDisk: 'local',
+            eligibleDisks: ['local', 's3'],
+            laravelExistingDisks: [
+                (object) ['disk' => 'local', 'driver' => 'local'],
+                (object) ['disk' => 's3', 'driver' => 's3'],
+            ],
+            allowedExtensions: ['pdf']
+        );
+        $localDisk = new DiskName('local', 'local');
+        $s3Disk    = new DiskName('s3', 's3');
+
+        // THEN
+        expect($config->getRealDriver($localDisk))->toBe('local')
+            ->and($config->isS3Driver($localDisk))->toBeFalse()
+            ->and($config->getRealDriver($s3Disk))->toBe('s3')
+            ->and($config->isS3Driver($s3Disk))->toBeTrue();
+    });
+
+    it('resolves the underlying driver of a scoped disk at boot', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.s3_parent', ['driver' => 's3']);
+        config()->set('filesystems.disks.media', [
+            'driver' => 'scoped',
+            'disk'   => 's3_parent',
+            'prefix' => 'media',
+        ]);
+        Storage::fake('media');
+
+        // WHEN
+        $config = new StorageServiceConfig(
+            defaultDisk: 'media',
+            eligibleDisks: ['media'],
+            laravelExistingDisks: [(object) ['disk' => 'media', 'driver' => 'scoped']],
+            allowedExtensions: ['pdf']
+        );
+        $media = new DiskName('media', 'scoped');
+
+        // THEN
+        expect($config->getRealDriver($media))->toBe('s3')
+            ->and($config->isS3Driver($media))->toBeTrue();
+    });
+
+    it('fails at boot when a scoped disk is misconfigured', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.broken', ['driver' => 'scoped']);
+        Storage::fake('broken');
+
+        // WHEN
+        $action = fn () => new StorageServiceConfig(
+            defaultDisk: 'local',
+            eligibleDisks: ['local', 'broken'],
+            laravelExistingDisks: [
+                (object) ['disk' => 'local', 'driver' => 'local'],
+                (object) ['disk' => 'broken', 'driver' => 'scoped'],
+            ],
+            allowedExtensions: ['pdf']
+        );
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            "Scoped disk 'broken' is missing a valid parent 'disk' configuration."
+        );
+    });
+
+    it('throws when asking the driver of a disk that is neither default nor eligible', function (): void {
+        // GIVEN
+        $config = new StorageServiceConfig(
+            defaultDisk: 'local',
+            eligibleDisks: ['local'],
+            laravelExistingDisks: [(object) ['disk' => 'local', 'driver' => 'local']],
+            allowedExtensions: ['pdf']
+        );
+        Storage::fake('other');
+        $other = new DiskName('other', 'local');
+
+        // WHEN
+        $action = fn () => $config->getRealDriver($other);
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            'Disk other is neither the default nor an eligible disk'
+        );
+    });
+});
diff --git a/tests/Unit/Lib/FileSanitizerImplTest.php b/tests/Unit/Lib/FileSanitizerImplTest.php
index 5df915b..fec054d 100644
--- a/tests/Unit/Lib/FileSanitizerImplTest.php
+++ b/tests/Unit/Lib/FileSanitizerImplTest.php
@@ -14,7 +14,7 @@ use Uwil\Storage\Lib\ValueObjects\SanitizedFile;
 covers(FileSanitizerImpl::class);
 
 /**
- * @param array<string> $allowedExtensions
+ * @param  array<string>  $allowedExtensions
  */
 function createConfig(array $allowedExtensions = ['jpg', 'png', 'pdf', 'txt']): StorageServiceConfig
 {
diff --git a/tests/Unit/Lib/StorageGatewayImplTest.php b/tests/Unit/Lib/StorageGatewayImplTest.php
index 0af150e..f643da5 100644
--- a/tests/Unit/Lib/StorageGatewayImplTest.php
+++ b/tests/Unit/Lib/StorageGatewayImplTest.php
@@ -4,8 +4,11 @@ declare(strict_types=1);
 
 namespace Uwil\Storage\Tests\Unit\Lib;
 
+use Illuminate\Contracts\Filesystem\Filesystem;
 use Illuminate\Support\Facades\Storage;
+use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;
+use Uwil\Storage\Config\StorageServiceConfig;
 use Uwil\Storage\Exceptions\UnexpectedStorageException;
 use Uwil\Storage\Lib\PathGenerators\DateHashPathGenerator;
 use Uwil\Storage\Lib\PathGenerators\UuidPathGenerator;
@@ -14,14 +17,36 @@ use Uwil\Storage\Lib\ValueObjects\DiskName;
 use Uwil\Storage\Lib\ValueObjects\FileStream;
 use Uwil\Storage\Lib\ValueObjects\SanitizedFile;
 use Uwil\Storage\Lib\ValueObjects\StorageFilePath;
-use Illuminate\Contracts\Filesystem\Filesystem;
-use Psr\Log\LoggerInterface;
 
 covers(StorageGatewayImpl::class);
 
-function createGateway(): StorageGatewayImpl
+/**
+ * @param  array<string, string>  $extraDisks  eligible disks to declare in addition to `local` (name => driver)
+ */
+function createGatewayConfig(array $extraDisks = []): StorageServiceConfig
+{
+    $existing = [(object) ['disk' => 'local', 'driver' => 'local']];
+
+    foreach ($extraDisks as $name => $driver) {
+        Storage::fake($name);
+        $existing[] = (object) ['disk' => $name, 'driver' => $driver];
+    }
+
+    return new StorageServiceConfig(
+        defaultDisk: 'local',
+        eligibleDisks: ['local', ...array_keys($extraDisks)],
+        laravelExistingDisks: $existing,
+        allowedExtensions: ['txt']
+    );
+}
+
+/**
+ * @param  array<string, string>  $extraDisks
+ */
+function createGateway(array $extraDisks = []): StorageGatewayImpl
 {
     return new StorageGatewayImpl(
+        config: createGatewayConfig($extraDisks),
         logger: new NullLogger(),
         datePathGenerator: new DateHashPathGenerator(),
         uuidPathGenerator: new UuidPathGenerator()
@@ -52,7 +77,7 @@ describe('StorageGatewayImpl storeFile', function (): void {
     it('stores a file onto an s3 disk using UuidPathGenerator', function (): void {
         // GIVEN
         Storage::fake('s3');
-        $gateway       = createGateway();
+        $gateway       = createGateway(['s3' => 's3']);
         $disk          = new DiskName('s3', 's3');
         $sanitizedFile = new SanitizedFile(
             originalName: 'picture.png',
@@ -74,9 +99,9 @@ describe('StorageGatewayImpl storeFile', function (): void {
         $mockStorage = \Mockery::mock(Filesystem::class);
         $mockStorage->shouldReceive('put')->andReturn(false);
 
+        $gateway = createGateway();
         Storage::shouldReceive('disk')->with('local')->andReturn($mockStorage);
 
-        $gateway       = createGateway();
         $disk          = new DiskName('local', 'local');
         $sanitizedFile = new SanitizedFile(
             originalName: 'test.txt',
@@ -96,9 +121,9 @@ describe('StorageGatewayImpl storeFile', function (): void {
         $mockStorage = \Mockery::mock(Filesystem::class);
         $mockStorage->shouldReceive('put')->andThrow(new \RuntimeException('Network drop'));
 
+        $gateway = createGateway();
         Storage::shouldReceive('disk')->with('local')->andReturn($mockStorage);
 
-        $gateway       = createGateway();
         $disk          = new DiskName('local', 'local');
         $sanitizedFile = new SanitizedFile(
             originalName: 'test.txt',
@@ -119,9 +144,9 @@ describe('StorageGatewayImpl storeFile', function (): void {
         $mockStorage     = \Mockery::mock(Filesystem::class);
         $mockStorage->shouldReceive('put')->andThrow($directException);
 
+        $gateway = createGateway();
         Storage::shouldReceive('disk')->with('local')->andReturn($mockStorage);
 
-        $gateway       = createGateway();
         $disk          = new DiskName('local', 'local');
         $sanitizedFile = new SanitizedFile(
             originalName: 'test.txt',
@@ -143,9 +168,9 @@ describe('StorageGatewayImpl storeFile', function (): void {
         config()->set("filesystems.disks.{$driver}", ['driver' => $driver]);
         $mockStorage = \Mockery::mock(Filesystem::class);
         $mockStorage->shouldReceive('put')->andReturn(true);
+        $gateway = createGateway([$driver => $driver]);
         Storage::shouldReceive('disk')->with($driver)->andReturn($mockStorage);
 
-        $gateway       = createGateway();
         $disk          = new DiskName($driver, $driver);
         $sanitizedFile = new SanitizedFile(
             originalName: 'test.txt',
@@ -163,6 +188,83 @@ describe('StorageGatewayImpl storeFile', function (): void {
         'ftp driver'  => 'ftp',
         'sftp driver' => 'sftp',
     ]);
+
+    it('stores a file onto a scoped disk resolving underlying s3 driver', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.s3', ['driver' => 's3']);
+        config()->set('filesystems.disks.scoped_s3', [
+            'driver' => 'scoped',
+            'disk'   => 's3',
+            'prefix' => 'media',
+        ]);
+        $mockStorage = \Mockery::mock(Filesystem::class);
+        $mockStorage->shouldReceive('put')->andReturn(true);
+        $gateway = createGateway(['scoped_s3' => 'scoped']);
+        Storage::shouldReceive('disk')->with('scoped_s3')->andReturn($mockStorage);
+
+        $disk          = new DiskName('scoped_s3', 'scoped');
+        $sanitizedFile = new SanitizedFile(
+            originalName: 'photo.jpg',
+            sanitizedName: 'photo.jpg',
+            contents: FileStream::fromString('image bytes')
+        );
+
+        // WHEN
+        $path = $gateway->storeFile($disk, $sanitizedFile);
+
+        // THEN
+        expect($path)->toBeInstanceOf(StorageFilePath::class)
+            ->and($path->value)->toMatch('#^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\.jpg$#');
+    });
+
+    it('stores a file onto a scoped disk resolving underlying local driver', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.local_parent', ['driver' => 'local']);
+        config()->set('filesystems.disks.scoped_local', [
+            'driver' => 'scoped',
+            'disk'   => 'local_parent',
+            'prefix' => 'uploads',
+        ]);
+        $mockStorage = \Mockery::mock(Filesystem::class);
+        $mockStorage->shouldReceive('put')->andReturn(true);
+        $gateway = createGateway(['scoped_local' => 'scoped']);
+        Storage::shouldReceive('disk')->with('scoped_local')->andReturn($mockStorage);
+
+        $disk          = new DiskName('scoped_local', 'scoped');
+        $sanitizedFile = new SanitizedFile(
+            originalName: 'doc.pdf',
+            sanitizedName: 'doc.pdf',
+            contents: FileStream::fromString('pdf data')
+        );
+
+        // WHEN
+        $path = $gateway->storeFile($disk, $sanitizedFile);
+
+        // THEN
+        expect($path)->toBeInstanceOf(StorageFilePath::class)
+            ->and($path->value)->toStartWith(gmdate('Y') . '/');
+    });
+
+    it('rejects a disk that is neither default nor eligible', function (): void {
+        // GIVEN
+        $gateway = createGateway();
+        Storage::fake('unknown');
+        $disk          = new DiskName('unknown', 'local');
+        $sanitizedFile = new SanitizedFile(
+            originalName: 'doc.pdf',
+            sanitizedName: 'doc.pdf',
+            contents: FileStream::fromString('data')
+        );
+
+        // WHEN
+        $action = fn () => $gateway->storeFile($disk, $sanitizedFile);
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            'Disk unknown is neither the default nor an eligible disk'
+        );
+    });
 });
 
 describe('StorageGatewayImpl getFile', function (): void {
@@ -320,6 +422,7 @@ describe('StorageGatewayImpl logging', function (): void {
         $logger->shouldReceive('info')->with(\Mockery::pattern('/^File deletion result for disk:.*: success$/'))->once();
 
         $gateway = new StorageGatewayImpl(
+            config: createGatewayConfig(),
             logger: $logger,
             datePathGenerator: new DateHashPathGenerator(),
             uuidPathGenerator: new UuidPathGenerator()
@@ -346,6 +449,7 @@ describe('StorageGatewayImpl logging', function (): void {
         $logger->shouldReceive('debug')->with('File not found on disk: local, path: not_found.txt')->once();
 
         $gateway = new StorageGatewayImpl(
+            config: createGatewayConfig(),
             logger: $logger,
             datePathGenerator: new DateHashPathGenerator(),
             uuidPathGenerator: new UuidPathGenerator()
diff --git a/tests/Unit/Lib/UtilsTest.php b/tests/Unit/Lib/UtilsTest.php
index c412aa3..d479199 100644
--- a/tests/Unit/Lib/UtilsTest.php
+++ b/tests/Unit/Lib/UtilsTest.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Uwil\Storage\Tests\Unit\Lib;
 
 use Uwil\Storage\Config\StorageServiceConfig;
+use Uwil\Storage\Exceptions\UnexpectedStorageException;
 use Uwil\Storage\Lib\Utils;
 
 covers(Utils::class);
@@ -99,3 +100,108 @@ describe('Utils isExtensionAllowed', function (): void {
         expect($fallback)->toBeTrue();
     });
 });
+
+describe('Utils resolveDriver', function (): void {
+    it('returns direct driver for non-scoped disk', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.my_s3', ['driver' => 's3']);
+
+        // WHEN
+        $driver = Utils::resolveDriver('my_s3');
+
+        // THEN
+        expect($driver)->toBe('s3');
+    });
+
+    it('resolves parent driver for scoped disk from string', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.parent_local', ['driver' => 'local']);
+        config()->set('filesystems.disks.scoped_disk', [
+            'driver' => 'scoped',
+            'disk'   => 'parent_local',
+        ]);
+
+        // WHEN
+        $driver = Utils::resolveDriver('scoped_disk');
+
+        // THEN
+        expect($driver)->toBe('local');
+    });
+
+    it('resolves parent driver for scoped disk when driver is given explicitly', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.parent_s3', ['driver' => 's3']);
+        config()->set('filesystems.disks.scoped_s3', [
+            'driver' => 'scoped',
+            'disk'   => 'parent_s3',
+        ]);
+
+        // WHEN
+        $driver = Utils::resolveDriver('scoped_s3', 'scoped');
+
+        // THEN
+        expect($driver)->toBe('s3');
+    });
+
+    it('returns explicit non-scoped driver without reading config', function (): void {
+        // WHEN
+        $driver = Utils::resolveDriver('not_configured', 'sftp');
+
+        // THEN
+        expect($driver)->toBe('sftp');
+    });
+
+    it('throws exception when parent disk has no driver configured', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.scoped_orphan', [
+            'driver' => 'scoped',
+            'disk'   => 'missing_parent',
+        ]);
+
+        // WHEN
+        $action = fn () => Utils::resolveDriver('scoped_orphan');
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            "Parent disk 'missing_parent' of scoped disk 'scoped_orphan' has no valid driver configured."
+        );
+    });
+
+    it('throws exception when scoped disk has missing parent disk', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.scoped_invalid', [
+            'driver' => 'scoped',
+        ]);
+
+        // WHEN
+        $action = fn () => Utils::resolveDriver('scoped_invalid');
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            "Scoped disk 'scoped_invalid' is missing a valid parent 'disk' configuration."
+        );
+    });
+
+    it('throws exception when scoped disk has circular reference', function (): void {
+        // GIVEN
+        config()->set('filesystems.disks.scoped_x', [
+            'driver' => 'scoped',
+            'disk'   => 'scoped_y',
+        ]);
+        config()->set('filesystems.disks.scoped_y', [
+            'driver' => 'scoped',
+            'disk'   => 'scoped_x',
+        ]);
+
+        // WHEN
+        $action = fn () => Utils::resolveDriver('scoped_x');
+
+        // THEN
+        expect($action)->toThrow(
+            UnexpectedStorageException::class,
+            "Circular reference detected in scoped disk 'scoped_y'."
+        );
+    });
+});
diff --git a/tests/Unit/Lib/ValueObjects/DiskNameTest.php b/tests/Unit/Lib/ValueObjects/DiskNameTest.php
index be63e6e..f80f006 100644
--- a/tests/Unit/Lib/ValueObjects/DiskNameTest.php
+++ b/tests/Unit/Lib/ValueObjects/DiskNameTest.php
@@ -22,10 +22,11 @@ describe('DiskName instantiation', function (): void {
             ->and($vo->value)->toBe('local')
             ->and($vo->driver)->toBe($driver);
     })->with([
-        'local driver' => 'local',
-        'ftp driver'   => 'ftp',
-        'sftp driver'  => 'sftp',
-        's3 driver'    => 's3',
+        'local driver'  => 'local',
+        'ftp driver'    => 'ftp',
+        'sftp driver'   => 'sftp',
+        's3 driver'     => 's3',
+        'scoped driver' => 'scoped',
     ]);
 
     it('can instantiate with a BackedEnum value', function (): void {