diff --git a/cli.php b/cli.php
index 6d8c865..b873cb6 100644
--- a/cli.php
+++ b/cli.php
@@ -7,6 +7,7 @@
 use Keboola\Console\Command\AddFeature;
 use Keboola\Console\Command\AllStacksIterator;
 use Keboola\Console\Command\DeleteOrganizationOrphanedWorkspaces;
+use Keboola\Console\Command\DeleteOrganizationOwnerlessWorkspaces;
 use Keboola\Console\Command\DeleteOrphanedWorkspaces;
 use Keboola\Console\Command\DeleteOwnerlessWorkspaces;
 use Keboola\Console\Command\DescribeOrganizationWorkspaces;
@@ -47,6 +48,7 @@
 $application->add(new OrganizationIntoMaintenanceMode());
 $application->add(new OrganizationStorageBackend());
 $application->add(new DeleteOwnerlessWorkspaces());
+$application->add(new DeleteOrganizationOwnerlessWorkspaces());
 $application->add(new DeleteProjectSandboxes());
 $application->add(new RemoveUserFromOrganizationProjects());
 $application->add(new ReactivateSchedules());
diff --git a/src/Keboola/Console/Command/DeleteOrganizationOwnerlessWorkspaces.php b/src/Keboola/Console/Command/DeleteOrganizationOwnerlessWorkspaces.php
new file mode 100644
index 0000000..a559604
--- /dev/null
+++ b/src/Keboola/Console/Command/DeleteOrganizationOwnerlessWorkspaces.php
@@ -0,0 +1,258 @@
+<?php
+
+namespace Keboola\Console\Command;
+
+use Keboola\ManageApi\Client;
+use Keboola\Sandboxes\Api\Client as SandboxesClient;
+use Keboola\Sandboxes\Api\Sandbox;
+use Keboola\StorageApi\Client as StorageApiClient;
+use Keboola\StorageApi\Tokens;
+use Keboola\StorageApi\Workspaces;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Logger\ConsoleLogger;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class DeleteOrganizationOwnerlessWorkspaces extends Command
+{
+    protected function configure(): void
+    {
+        $this
+            ->setName('manage:delete-organization-ownerless-workspaces')
+            ->setDescription('Bulk delete ownerless workspaces (sandboxes with inactive token owner) across all projects in an organization.')
+            ->addOption('force', 'f', InputOption::VALUE_NONE, 'Use [--force, -f] to do it for real.')
+            ->addOption(
+                'includeShared',
+                null,
+                InputOption::VALUE_NONE,
+                'Use option --includeShared if you would also like to delete shared workspaces with inactive owner.',
+            )
+            ->addArgument(
+                'manageToken',
+                InputArgument::REQUIRED,
+                'Keboola Manage API token to use',
+            )
+            ->addArgument(
+                'organizationId',
+                InputArgument::REQUIRED,
+                'ID of the organization to clean',
+            )
+            ->addArgument(
+                'hostnameSuffix',
+                InputArgument::OPTIONAL,
+                'Keboola Connection Hostname Suffix',
+                'keboola.com',
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $manageToken = $input->getArgument('manageToken');
+        assert(is_string($manageToken));
+        $organizationId = $input->getArgument('organizationId');
+        assert(is_string($organizationId));
+        if (!ctype_digit($organizationId)) {
+            throw new \InvalidArgumentException('Argument "organizationId" must be a numeric string.');
+        }
+        $organizationId = (int) $organizationId;
+        $hostnameSuffix = $input->getArgument('hostnameSuffix');
+        assert(is_string($hostnameSuffix));
+
+        $kbcUrl = sprintf('https://connection.%s', $hostnameSuffix);
+        $sandboxesUrl = sprintf('https://sandboxes.%s', $hostnameSuffix);
+
+        $includeShared = (bool) $input->getOption('includeShared');
+        $force = (bool) $input->getOption('force');
+
+        $manageClient = new Client(['token' => $manageToken, 'url' => $kbcUrl]);
+        $organization = $manageClient->getOrganization($organizationId);
+        $projects = $organization['projects'];
+
+        $output->writeln(sprintf('Checking workspaces for "%d" projects', count($projects)));
+
+        if ($force) {
+            $output->writeln('Force option is set, doing it for real');
+        } else {
+            $output->writeln('This is just a dry-run, nothing will be actually deleted');
+        }
+
+        $totalDeletedSandboxes = 0;
+        $totalDeletedStorageWorkspaces = 0;
+        /** @var array<int|string, array<int, array{sandboxId: string, physicalId: string, tokenId: string}>> $summary */
+        $summary = [];
+
+        foreach ($projects as $project) {
+            try {
+                $storageToken = $manageClient->createProjectStorageToken(
+                    $project['id'],
+                    [
+                        'description' => 'Maintenance Ownerless Workspace Cleaner',
+                        'expiresIn' => 1800,
+                        'canManageTokens' => true,
+                    ],
+                );
+            } catch (\Throwable $e) {
+                if ($e->getCode() === 403) {
+                    $output->writeln(sprintf('WARN: Access denied to project: %s', $project['id']));
+                    continue;
+                }
+                throw $e;
+            }
+
+            $output->writeln(sprintf(
+                'Processing project %s : %s',
+                $project['id'],
+                $project['name'],
+            ));
+
+            $storageClient = new StorageApiClient([
+                'token' => $storageToken['token'],
+                'url' => $kbcUrl,
+                'backoffMaxTries' => 1,
+                'logger' => new ConsoleLogger($output),
+            ]);
+            $workspacesClient = new Workspaces($storageClient);
+            $tokensClient = new Tokens($storageClient);
+            $sandboxesClient = new SandboxesClient(
+                $sandboxesUrl,
+                $storageToken['token'],
+            );
+
+            $projectDeletedSandboxes = 0;
+            $projectDeletedStorageWorkspaces = 0;
+            $projectKey = sprintf('%s (%s)', $project['name'], $project['id']);
+            $summary[$projectKey] = [];
+
+            $sandboxes = $sandboxesClient->list();
+            $workingTokens = 0;
+            /** @var Sandbox $sandbox */
+            foreach ($sandboxes as $sandbox) {
+                $tokenId = $sandbox->getTokenId();
+                try {
+                    if ($tokenId !== null) {
+                        $tokensClient->getToken((int) $tokenId);
+                        $workingTokens++;
+                        if ($output->isVerbose()) {
+                            $output->writeln('Working token ' . $tokenId);
+                        }
+                        continue; // token exists so no need to do anything
+                    }
+                } catch (\Throwable $exception) {
+                    if ($exception->getCode() === 403) {
+                        $output->writeln(sprintf(
+                            'WARN: Access denied checking token %s for sandbox %s, skipping',
+                            $sandbox->getTokenId(),
+                            $sandbox->getId(),
+                        ));
+                        continue;
+                    }
+                    if ($exception->getCode() !== 404) {
+                        throw $exception;
+                    }
+                }
+
+                if (!$includeShared && $sandbox->getShared()) {
+                    continue;
+                }
+
+                $physicalId = '';
+                if (!in_array($sandbox->getType(), Sandbox::CONTAINER_TYPES)) {
+                    if (empty($sandbox->getPhysicalId())) {
+                        $output->writeln('No underlying storage workspace found for sandboxId ' . $sandbox->getId());
+                    } else {
+                        $physicalId = $sandbox->getPhysicalId();
+                        $output->writeln('Deleting inactive storage workspace ' . $physicalId);
+                        $projectDeletedStorageWorkspaces++;
+                        if ($force) {
+                            $this->deleteStorageWorkspace($workspacesClient, $physicalId, $output);
+                        }
+                    }
+                } elseif (!empty($sandbox->getStagingWorkspaceId())) {
+                    $physicalId = $sandbox->getStagingWorkspaceId();
+                    $output->writeln('Deleting inactive staging storage workspace ' . $physicalId);
+                    $projectDeletedStorageWorkspaces++;
+                    if ($force) {
+                        $this->deleteStorageWorkspace($workspacesClient, $physicalId, $output);
+                    }
+                }
+
+                $summary[$projectKey][] = [
+                    'sandboxId' => $sandbox->getId(),
+                    'physicalId' => $physicalId,
+                    'tokenId' => (string) ($sandbox->getTokenId() ?? ''),
+                ];
+
+                $projectDeletedSandboxes++;
+                if ($force) {
+                    $sandboxesClient->delete($sandbox->getId());
+                }
+            }
+
+            $output->writeln('Working tokens ' . $workingTokens);
+
+            $output->writeln(sprintf(
+                'Project %s: %d sandboxes deleted, %d storage workspaces deleted',
+                $project['id'],
+                $projectDeletedSandboxes,
+                $projectDeletedStorageWorkspaces,
+            ));
+
+            try {
+                $tokensClient->dropToken($storageToken['id']);
+            } catch (\Throwable $e) {
+                $output->writeln(sprintf(
+                    'WARN: Could not drop temporary token %s: %s',
+                    $storageToken['id'],
+                    $e->getMessage(),
+                ));
+            }
+
+            $totalDeletedSandboxes += $projectDeletedSandboxes;
+            $totalDeletedStorageWorkspaces += $projectDeletedStorageWorkspaces;
+        }
+
+        // Print summary
+        $output->writeln('');
+        $output->writeln(sprintf('=== Summary for organization %s ===', $organization['name'] ?? $organizationId));
+        foreach ($summary as $projectKey => $workspaces) {
+            if (count($workspaces) === 0) {
+                continue;
+            }
+            $output->writeln(sprintf('  Project: %s', $projectKey));
+            foreach ($workspaces as $workspace) {
+                $output->writeln(sprintf(
+                    '    - SandboxId: %s, PhysicalId: %s, TokenId: %s',
+                    $workspace['sandboxId'],
+                    $workspace['physicalId'] ?: '(none)',
+                    $workspace['tokenId'] ?: '(none)',
+                ));
+            }
+        }
+        $output->writeln('');
+        $output->writeln(sprintf(
+            'Grand total: %d sandboxes deleted and %d storage workspaces deleted',
+            $totalDeletedSandboxes,
+            $totalDeletedStorageWorkspaces,
+        ));
+
+        return 0;
+    }
+
+    private function deleteStorageWorkspace(
+        Workspaces $workspacesClient,
+        string $workspaceId,
+        OutputInterface $output,
+    ): void {
+        try {
+            $workspacesClient->deleteWorkspace((int) $workspaceId);
+        } catch (\Throwable $clientException) {
+            $output->writeln(sprintf(
+                'Error deleting workspace %s:%s',
+                $workspaceId,
+                $clientException->getMessage(),
+            ));
+        }
+    }
+}