diff --git a/packages/@n8n/api-types/src/dto/index.ts b/packages/@n8n/api-types/src/dto/index.ts
index 85a7c1681c0..b04e15f278b 100644
--- a/packages/@n8n/api-types/src/dto/index.ts
+++ b/packages/@n8n/api-types/src/dto/index.ts
@@ -130,6 +130,15 @@ export { TransferWorkflowBodyDto } from './workflows/transfer.dto';
 export { ActivateWorkflowDto } from './workflows/activate-workflow.dto';
 export { DeactivateWorkflowDto } from './workflows/deactivate-workflow.dto';
 export { ArchiveWorkflowDto } from './workflows/archive-workflow.dto';
+export {
+	BulkArchiveWorkflowsDto,
+	BulkDeleteWorkflowsDto,
+	BulkTransferWorkflowsDto,
+	BulkUnpublishWorkflowsDto,
+	type BulkWorkflowActionItemStatus,
+	type BulkWorkflowActionResult,
+	type BulkWorkflowActionResultItem,
+} from './workflows/bulk-workflow-action.dto';
 export { GetResourceDependencyCountsDto } from './workflows/get-resource-dependency-counts.dto';
 export { GetResourceDependenciesDto } from './workflows/get-resource-dependencies.dto';
 export { GetWorkflowQueryDto } from './workflows/get-workflow-query.dto';
diff --git a/packages/@n8n/api-types/src/dto/workflows/__tests__/bulk-workflow-action.dto.test.ts b/packages/@n8n/api-types/src/dto/workflows/__tests__/bulk-workflow-action.dto.test.ts
new file mode 100644
index 00000000000..f594389abd6
--- /dev/null
+++ b/packages/@n8n/api-types/src/dto/workflows/__tests__/bulk-workflow-action.dto.test.ts
@@ -0,0 +1,43 @@
+import {
+	BulkArchiveWorkflowsDto,
+	BulkDeleteWorkflowsDto,
+	BulkTransferWorkflowsDto,
+	BulkUnpublishWorkflowsDto,
+} from '../bulk-workflow-action.dto';
+
+const idDtos = [BulkArchiveWorkflowsDto, BulkDeleteWorkflowsDto, BulkUnpublishWorkflowsDto];
+
+describe('bulk workflow action DTOs', () => {
+	it.each(idDtos)('accepts between 1 and 100 workflow IDs', (Dto) => {
+		expect(Dto.safeParse({ workflowIds: ['workflow-1'] }).success).toBe(true);
+		expect(
+			Dto.safeParse({ workflowIds: Array.from({ length: 100 }, (_, index) => `${index}`) }).success,
+		).toBe(true);
+	});
+
+	it.each(idDtos)('rejects missing, empty, and oversized workflow ID lists', (Dto) => {
+		expect(Dto.safeParse({}).success).toBe(false);
+		expect(Dto.safeParse({ workflowIds: [] }).success).toBe(false);
+		expect(Dto.safeParse({ workflowIds: [''] }).success).toBe(false);
+		expect(
+			Dto.safeParse({ workflowIds: Array.from({ length: 101 }, (_, index) => `${index}`) }).success,
+		).toBe(false);
+	});
+
+	it('validates bulk transfer fields', () => {
+		expect(
+			BulkTransferWorkflowsDto.safeParse({
+				workflowIds: ['workflow-1'],
+				destinationProjectId: 'project-1',
+				destinationParentFolderId: 'folder-1',
+				shareCredentials: ['credential-1'],
+			}).success,
+		).toBe(true);
+		expect(
+			BulkTransferWorkflowsDto.safeParse({
+				workflowIds: ['workflow-1'],
+				destinationProjectId: '',
+			}).success,
+		).toBe(false);
+	});
+});
diff --git a/packages/@n8n/api-types/src/dto/workflows/bulk-workflow-action.dto.ts b/packages/@n8n/api-types/src/dto/workflows/bulk-workflow-action.dto.ts
new file mode 100644
index 00000000000..642781ce5a1
--- /dev/null
+++ b/packages/@n8n/api-types/src/dto/workflows/bulk-workflow-action.dto.ts
@@ -0,0 +1,46 @@
+import { z } from 'zod';
+
+import { Z } from '../../zod-class';
+
+const workflowIdsSchema = z.array(z.string().min(1)).min(1).max(100);
+
+export class BulkArchiveWorkflowsDto extends Z.class({
+	workflowIds: workflowIdsSchema,
+}) {}
+
+export class BulkDeleteWorkflowsDto extends Z.class({
+	workflowIds: workflowIdsSchema,
+}) {}
+
+export class BulkUnpublishWorkflowsDto extends Z.class({
+	workflowIds: workflowIdsSchema,
+}) {}
+
+export class BulkTransferWorkflowsDto extends Z.class({
+	workflowIds: workflowIdsSchema,
+	destinationProjectId: z.string().min(1),
+	destinationParentFolderId: z.string().min(1).optional(),
+	shareCredentials: z.array(z.string().min(1)).optional(),
+}) {}
+
+export const bulkWorkflowActionItemStatusSchema = z.enum([
+	'completed',
+	'unchanged',
+	'failed',
+	'notAttempted',
+]);
+
+export type BulkWorkflowActionItemStatus = z.infer<typeof bulkWorkflowActionItemStatusSchema>;
+
+export type BulkWorkflowActionResultItem = {
+	workflowId: string;
+	status: BulkWorkflowActionItemStatus;
+	reason?: string;
+	message?: string;
+};
+
+export type BulkWorkflowActionResult = {
+	status: 'completed' | 'partial';
+	results: BulkWorkflowActionResultItem[];
+	unsharedCredentialIds?: string[];
+};
diff --git a/packages/@n8n/db/src/repositories/workflow-published-version.repository.ts b/packages/@n8n/db/src/repositories/workflow-published-version.repository.ts
index d8b7e818a8f..43a6d012e2a 100644
--- a/packages/@n8n/db/src/repositories/workflow-published-version.repository.ts
+++ b/packages/@n8n/db/src/repositories/workflow-published-version.repository.ts
@@ -1,5 +1,5 @@
 import { Service } from '@n8n/di';
-import { DataSource, Repository } from '@n8n/typeorm';
+import { DataSource, In, Repository } from '@n8n/typeorm';
 import type { IWorkflowBase } from 'n8n-workflow';
 
 import { WorkflowPublishedVersion } from '../entities';
@@ -48,6 +48,17 @@ export class WorkflowPublishedVersionRepository extends Repository<WorkflowPubli
 		return record?.publishedVersionId ?? null;
 	}
 
+	async getWorkflowIdsWithPublishedVersion(workflowIds: string[]): Promise<Set<string>> {
+		if (workflowIds.length === 0) return new Set();
+
+		const records = await this.find({
+			where: { workflowId: In(workflowIds) },
+			select: ['workflowId'],
+		});
+
+		return new Set(records.map(({ workflowId }) => workflowId));
+	}
+
 	/**
 	 * Loads the published version record with the related workflow entity
 	 * (including shared/project relations) and the workflow history version
diff --git a/packages/cli/src/workflows/__tests__/workflow-bulk-action.service.test.ts b/packages/cli/src/workflows/__tests__/workflow-bulk-action.service.test.ts
new file mode 100644
index 00000000000..798710ded57
--- /dev/null
+++ b/packages/cli/src/workflows/__tests__/workflow-bulk-action.service.test.ts
@@ -0,0 +1,136 @@
+import type {
+	FolderRepository,
+	User,
+	WorkflowEntity,
+	WorkflowPublishedVersionRepository,
+} from '@n8n/db';
+import { mock } from 'vitest-mock-extended';
+
+import type { CollaborationService } from '@/collaboration/collaboration.service';
+import type { CredentialsFinderService } from '@/credentials/credentials-finder.service';
+import { UnprocessableRequestError } from '@/errors/response-errors/unprocessable.error';
+import type { ProjectService } from '@/services/project.service.ee';
+import { WorkflowBulkActionService } from '@/workflows/workflow-bulk-action.service';
+import type { WorkflowFinderService } from '@/workflows/workflow-finder.service';
+import type { WorkflowService } from '@/workflows/workflow.service';
+import type { EnterpriseWorkflowService } from '@/workflows/workflow.service.ee';
+
+describe('WorkflowBulkActionService', () => {
+	const user = mock<User>({ id: 'user-1' });
+	const workflowFinderService = mock<WorkflowFinderService>();
+	const workflowService = mock<WorkflowService>();
+	const enterpriseWorkflowService = mock<EnterpriseWorkflowService>();
+	const collaborationService = mock<CollaborationService>();
+	const projectService = mock<ProjectService>();
+	const folderRepository = mock<FolderRepository>();
+	const workflowPublishedVersionRepository = mock<WorkflowPublishedVersionRepository>();
+	const credentialsFinderService = mock<CredentialsFinderService>();
+	let service: WorkflowBulkActionService;
+
+	beforeEach(() => {
+		vi.clearAllMocks();
+		workflowPublishedVersionRepository.getWorkflowIdsWithPublishedVersion.mockResolvedValue(
+			new Set(),
+		);
+		service = new WorkflowBulkActionService(
+			workflowFinderService,
+			workflowService,
+			enterpriseWorkflowService,
+			collaborationService,
+			projectService,
+			folderRepository,
+			workflowPublishedVersionRepository,
+			credentialsFinderService,
+		);
+	});
+
+	it('rejects the whole request when one workflow is inaccessible', async () => {
+		workflowFinderService.findWorkflowsByIdsForUser.mockResolvedValue([
+			mock<WorkflowEntity>({ id: 'workflow-1', isArchived: false }),
+		]);
+
+		await expect(service.archive(user, ['workflow-1', 'workflow-2'])).rejects.toBeInstanceOf(
+			UnprocessableRequestError,
+		);
+		expect(workflowService.archive).not.toHaveBeenCalled();
+	});
+
+	it('finishes the active parallel batch and stops before the next batch on failure', async () => {
+		const workflows = Array.from({ length: 6 }, (_, index) => `workflow-${index + 1}`).map((id) =>
+			mock<WorkflowEntity>({ id, isArchived: false }),
+		);
+		workflowFinderService.findWorkflowsByIdsForUser.mockResolvedValue(workflows);
+		workflowService.archive.mockImplementation(async (_user, workflowId) => {
+			if (workflowId === 'workflow-2') throw new Error('hook rejected');
+			return workflows.find(({ id }) => id === workflowId);
+		});
+
+		await expect(
+			service.archive(
+				user,
+				workflows.map(({ id }) => id),
+			),
+		).resolves.toEqual({
+			status: 'partial',
+			results: [
+				{ workflowId: 'workflow-1', status: 'completed' },
+				{
+					workflowId: 'workflow-2',
+					status: 'failed',
+					reason: 'runtimeFailure',
+					message: 'hook rejected',
+				},
+				{ workflowId: 'workflow-3', status: 'completed' },
+				{ workflowId: 'workflow-4', status: 'completed' },
+				{ workflowId: 'workflow-5', status: 'completed' },
+				{ workflowId: 'workflow-6', status: 'notAttempted' },
+			],
+		});
+		expect(workflowService.archive).toHaveBeenCalledTimes(5);
+	});
+
+	it('rejects permanent deletion unless every workflow is archived and fully unpublished', async () => {
+		workflowFinderService.findWorkflowsByIdsForUser.mockResolvedValue([
+			mock<WorkflowEntity>({
+				id: 'not-archived',
+				isArchived: false,
+				activeVersionId: null,
+			}),
+			mock<WorkflowEntity>({
+				id: 'pending-unpublish',
+				isArchived: true,
+				activeVersionId: null,
+			}),
+		]);
+		workflowPublishedVersionRepository.getWorkflowIdsWithPublishedVersion.mockResolvedValue(
+			new Set(['pending-unpublish']),
+		);
+
+		await expect(service.delete(user, ['not-archived', 'pending-unpublish'])).rejects.toMatchObject(
+			{
+				meta: {
+					issues: [
+						expect.objectContaining({ workflowId: 'not-archived', reason: 'notArchived' }),
+						expect.objectContaining({
+							workflowId: 'pending-unpublish',
+							reason: 'unpublishPending',
+						}),
+					],
+				},
+			},
+		);
+		expect(workflowService.delete).not.toHaveBeenCalled();
+	});
+
+	it('reports already-unpublished workflows as unchanged', async () => {
+		workflowFinderService.findWorkflowsByIdsForUser.mockResolvedValue([
+			mock<WorkflowEntity>({ id: 'workflow-1', activeVersionId: null }),
+		]);
+
+		await expect(service.unpublish(user, ['workflow-1'])).resolves.toEqual({
+			status: 'completed',
+			results: [{ workflowId: 'workflow-1', status: 'unchanged' }],
+		});
+		expect(workflowService.deactivateWorkflow).not.toHaveBeenCalled();
+	});
+});
diff --git a/packages/cli/src/workflows/workflow-bulk-action.service.ts b/packages/cli/src/workflows/workflow-bulk-action.service.ts
new file mode 100644
index 00000000000..433a1b489cb
--- /dev/null
+++ b/packages/cli/src/workflows/workflow-bulk-action.service.ts
@@ -0,0 +1,349 @@
+import type { BulkWorkflowActionResult, BulkWorkflowActionResultItem } from '@n8n/api-types';
+import type { User, WorkflowEntity } from '@n8n/db';
+import { FolderRepository, WorkflowPublishedVersionRepository } from '@n8n/db';
+import { Service } from '@n8n/di';
+import { hasGlobalScope, type Scope } from '@n8n/permissions';
+import { ensureError } from '@n8n/utils/errors/ensure-error';
+
+import { CollaborationService } from '@/collaboration/collaboration.service';
+import { CredentialsFinderService } from '@/credentials/credentials-finder.service';
+import { NotFoundError } from '@/errors/response-errors/not-found.error';
+import { UnprocessableRequestError } from '@/errors/response-errors/unprocessable.error';
+import { ProjectService } from '@/services/project.service.ee';
+
+import { WorkflowFinderService } from './workflow-finder.service';
+import { WorkflowService } from './workflow.service';
+import { EnterpriseWorkflowService } from './workflow.service.ee';
+
+type PreflightIssue = {
+	workflowId?: string;
+	reason: string;
+	message: string;
+};
+
+type PreflightOptions = {
+	action: string;
+	clientId?: string;
+	includeParentFolder?: boolean;
+	includeShared?: boolean;
+	validate?: (workflow: WorkflowEntity) => PreflightIssue | undefined;
+};
+
+type ExecuteItem = (
+	workflow: WorkflowEntity,
+) => Promise<Omit<BulkWorkflowActionResultItem, 'workflowId'>>;
+
+const LIFECYCLE_BATCH_SIZE = 5;
+
+@Service()
+export class WorkflowBulkActionService {
+	constructor(
+		private readonly workflowFinderService: WorkflowFinderService,
+		private readonly workflowService: WorkflowService,
+		private readonly enterpriseWorkflowService: EnterpriseWorkflowService,
+		private readonly collaborationService: CollaborationService,
+		private readonly projectService: ProjectService,
+		private readonly folderRepository: FolderRepository,
+		private readonly workflowPublishedVersionRepository: WorkflowPublishedVersionRepository,
+		private readonly credentialsFinderService: CredentialsFinderService,
+	) {}
+
+	async archive(
+		user: User,
+		workflowIds: string[],
+		clientId?: string,
+	): Promise<BulkWorkflowActionResult> {
+		const workflows = await this.preflight(user, workflowIds, ['workflow:delete'], {
+			action: 'archive',
+			clientId,
+			validate: (workflow) =>
+				workflow.isArchived
+					? {
+							workflowId: workflow.id,
+							reason: 'alreadyArchived',
+							message: 'Workflow is already archived.',
+						}
+					: undefined,
+		});
+
+		return await this.execute(workflows, async (workflow) => {
+			const archived = await this.workflowService.archive(user, workflow.id);
+			if (!archived) throw new NotFoundError('Workflow is no longer accessible.');
+
+			await this.collaborationService.broadcastWorkflowUpdate(workflow.id, user.id);
+			return { status: 'completed' };
+		});
+	}
+
+	async delete(
+		user: User,
+		workflowIds: string[],
+		clientId?: string,
+	): Promise<BulkWorkflowActionResult> {
+		const uniqueIds = this.uniqueIds(workflowIds);
+		const pendingPublishedIds =
+			await this.workflowPublishedVersionRepository.getWorkflowIdsWithPublishedVersion(uniqueIds);
+		const workflows = await this.preflight(user, uniqueIds, ['workflow:delete'], {
+			action: 'delete',
+			clientId,
+			validate: (workflow) => {
+				if (!workflow.isArchived) {
+					return {
+						workflowId: workflow.id,
+						reason: 'notArchived',
+						message: 'Workflow must be archived before it can be deleted.',
+					};
+				}
+				if (workflow.activeVersionId !== null) {
+					return {
+						workflowId: workflow.id,
+						reason: 'published',
+						message: 'Cannot delete a published workflow. Unpublish it before deleting.',
+					};
+				}
+				if (pendingPublishedIds.has(workflow.id)) {
+					return {
+						workflowId: workflow.id,
+						reason: 'unpublishPending',
+						message: 'Workflow is still being unpublished.',
+					};
+				}
+				return undefined;
+			},
+		});
+
+		return await this.execute(workflows, async (workflow) => {
+			const deleted = await this.workflowService.delete(user, workflow.id);
+			if (!deleted) throw new NotFoundError('Workflow is no longer accessible.');
+			return { status: 'completed' };
+		});
+	}
+
+	async unpublish(
+		user: User,
+		workflowIds: string[],
+		clientId?: string,
+	): Promise<BulkWorkflowActionResult> {
+		const workflows = await this.preflight(user, workflowIds, ['workflow:unpublish'], {
+			action: 'unpublish',
+			clientId,
+		});
+
+		return await this.execute(workflows, async (workflow) => {
+			if (workflow.activeVersionId === null) return { status: 'unchanged' };
+
+			await this.workflowService.deactivateWorkflow(user, workflow.id);
+			await this.collaborationService.broadcastWorkflowUpdate(workflow.id, user.id);
+			return { status: 'completed' };
+		});
+	}
+
+	async transfer(
+		user: User,
+		workflowIds: string[],
+		destinationProjectId: string,
+		shareCredentials: string[] = [],
+		destinationParentFolderId?: string,
+		clientId?: string,
+	): Promise<BulkWorkflowActionResult> {
+		const destinationProject = await this.projectService.getProjectWithScope(
+			user,
+			destinationProjectId,
+			['workflow:create'],
+		);
+		if (!destinationProject) {
+			throw this.preflightError([
+				{
+					reason: 'destinationNotFoundOrForbidden',
+					message: 'The destination project does not exist or is not accessible.',
+				},
+			]);
+		}
+
+		if (destinationParentFolderId) {
+			try {
+				await this.folderRepository.findOneOrFailFolderInProject(
+					destinationParentFolderId,
+					destinationProjectId,
+				);
+			} catch {
+				throw this.preflightError([
+					{
+						reason: 'destinationFolderNotFound',
+						message: 'The destination folder does not exist in the destination project.',
+					},
+				]);
+			}
+		}
+
+		const workflows = await this.preflight(user, workflowIds, ['workflow:move'], {
+			action: 'transfer',
+			clientId,
+			includeParentFolder: true,
+			includeShared: true,
+			validate: (workflow) => {
+				const ownerSharing = workflow.shared.find((sharing) => sharing.role === 'workflow:owner');
+				if (!ownerSharing) {
+					return {
+						workflowId: workflow.id,
+						reason: 'ownerMissing',
+						message: 'Workflow does not have an owner project.',
+					};
+				}
+
+				if (
+					ownerSharing.project.id === destinationProjectId &&
+					workflow.parentFolder?.id === destinationParentFolderId
+				) {
+					return {
+						workflowId: workflow.id,
+						reason: 'sameDestination',
+						message: 'Workflow already belongs to the requested destination.',
+					};
+				}
+				return undefined;
+			},
+		});
+
+		const shareableCredentialIds = await this.getShareableCredentialIds(user, shareCredentials);
+		const shareableCredentialIdSet = new Set(shareableCredentialIds);
+		const unsharedCredentialIds = this.uniqueIds(shareCredentials).filter(
+			(id) => !shareableCredentialIdSet.has(id),
+		);
+
+		const result = await this.execute(workflows, async (workflow) => {
+			const activationError = await this.enterpriseWorkflowService.transferWorkflow(
+				user,
+				workflow.id,
+				destinationProjectId,
+				shareableCredentialIds,
+				destinationParentFolderId,
+			);
+
+			return activationError
+				? {
+						status: 'completed',
+						reason: 'reactivationFailed',
+						message: 'Workflow was moved but could not be reactivated.',
+					}
+				: { status: 'completed' };
+		});
+
+		return { ...result, unsharedCredentialIds };
+	}
+
+	private async preflight(
+		user: User,
+		workflowIds: string[],
+		scopes: Scope[],
+		options: PreflightOptions,
+	): Promise<WorkflowEntity[]> {
+		const uniqueIds = this.uniqueIds(workflowIds);
+		const accessibleWorkflows = await this.workflowFinderService.findWorkflowsByIdsForUser(
+			uniqueIds,
+			user,
+			scopes,
+			{
+				includeParentFolder: options.includeParentFolder,
+				includeShared: options.includeShared,
+			},
+		);
+		const workflowById = new Map(accessibleWorkflows.map((workflow) => [workflow.id, workflow]));
+		const issues: PreflightIssue[] = [];
+
+		for (const workflowId of uniqueIds) {
+			const workflow = workflowById.get(workflowId);
+			if (!workflow) {
+				issues.push({
+					workflowId,
+					reason: 'notFoundOrForbidden',
+					message: 'Workflow does not exist or is not accessible.',
+				});
+				continue;
+			}
+
+			try {
+				await this.collaborationService.validateWriteLock(
+					user.id,
+					options.clientId,
+					workflowId,
+					options.action,
+				);
+			} catch (error) {
+				issues.push({
+					workflowId,
+					reason: 'locked',
+					message: ensureError(error).message,
+				});
+				continue;
+			}
+
+			const issue = options.validate?.(workflow);
+			if (issue) issues.push(issue);
+		}
+
+		if (issues.length > 0) throw this.preflightError(issues);
+
+		return uniqueIds.map((id) => workflowById.get(id)).filter((workflow) => workflow !== undefined);
+	}
+
+	private async execute(
+		workflows: WorkflowEntity[],
+		executeItem: ExecuteItem,
+	): Promise<BulkWorkflowActionResult> {
+		const results: BulkWorkflowActionResultItem[] = [];
+
+		for (let start = 0; start < workflows.length; start += LIFECYCLE_BATCH_SIZE) {
+			const batch = workflows.slice(start, start + LIFECYCLE_BATCH_SIZE);
+			const batchResults = await Promise.all(
+				batch.map(async (workflow): Promise<BulkWorkflowActionResultItem> => {
+					try {
+						return { workflowId: workflow.id, ...(await executeItem(workflow)) };
+					} catch (error) {
+						return {
+							workflowId: workflow.id,
+							status: 'failed',
+							reason: 'runtimeFailure',
+							message: ensureError(error).message,
+						};
+					}
+				}),
+			);
+			results.push(...batchResults);
+
+			if (batchResults.some(({ status }) => status === 'failed')) {
+				results.push(
+					...workflows.slice(start + batch.length).map(({ id }) => ({
+						workflowId: id,
+						status: 'notAttempted' as const,
+					})),
+				);
+				return { status: 'partial', results };
+			}
+		}
+
+		return { status: 'completed', results };
+	}
+
+	private async getShareableCredentialIds(user: User, credentialIds: string[]): Promise<string[]> {
+		const uniqueIds = this.uniqueIds(credentialIds);
+		if (hasGlobalScope(user, ['credential:share'], { mode: 'allOf' })) return uniqueIds;
+
+		const accessibleIds = new Set(
+			await this.credentialsFinderService.getCredentialIdsByUserAndRole([user.id], {
+				scopes: ['credential:share'],
+			}),
+		);
+		return uniqueIds.filter((id) => accessibleIds.has(id));
+	}
+
+	private uniqueIds(ids: string[]): string[] {
+		return [...new Set(ids)];
+	}
+
+	private preflightError(issues: PreflightIssue[]): UnprocessableRequestError {
+		return new UnprocessableRequestError('Bulk workflow action preflight failed', undefined, {
+			issues,
+		});
+	}
+}
diff --git a/packages/cli/src/workflows/workflow-finder.service.ts b/packages/cli/src/workflows/workflow-finder.service.ts
index 3f47d4a78dd..6eb4b7c089f 100644
--- a/packages/cli/src/workflows/workflow-finder.service.ts
+++ b/packages/cli/src/workflows/workflow-finder.service.ts
@@ -181,7 +181,11 @@ export class WorkflowFinderService {
 		workflowIds: string[],
 		user: User,
 		scopes: Scope[],
-		options: { includeParentFolder?: boolean; includeTags?: boolean } = {},
+		options: {
+			includeParentFolder?: boolean;
+			includeTags?: boolean;
+			includeShared?: boolean;
+		} = {},
 	): Promise<WorkflowEntity[]> {
 		if (workflowIds.length === 0) return [];
 
@@ -189,7 +193,11 @@ export class WorkflowFinderService {
 		const sharedWorkflows = await this.sharedWorkflowRepository.find({
 			where: { ...where, workflowId: In(workflowIds) },
 			relations: {
-				workflow: { parentFolder: options.includeParentFolder, tags: options.includeTags },
+				workflow: {
+					parentFolder: options.includeParentFolder,
+					tags: options.includeTags,
+					shared: options.includeShared ? { project: true } : false,
+				},
 			},
 		});
 
diff --git a/packages/cli/src/workflows/workflows.controller.ts b/packages/cli/src/workflows/workflows.controller.ts
index 32d42bc7c2f..df8c0e9e37d 100644
--- a/packages/cli/src/workflows/workflows.controller.ts
+++ b/packages/cli/src/workflows/workflows.controller.ts
@@ -1,6 +1,10 @@
 import {
 	ActivateWorkflowDto,
 	ArchiveWorkflowDto,
+	BulkArchiveWorkflowsDto,
+	BulkDeleteWorkflowsDto,
+	BulkTransferWorkflowsDto,
+	BulkUnpublishWorkflowsDto,
 	CreateWorkflowDto,
 	DeactivateWorkflowDto,
 	ExecutionRedactionQueryDtoSchema,
@@ -60,6 +64,7 @@ import { getWorkflowProjectDetailsSafe } from '@/workflows/utils';
 
 import { CollaborationService } from '../collaboration/collaboration.service';
 import { WorkflowPublicationStatusService } from './publication/workflow-publication-status.service';
+import { WorkflowBulkActionService } from './workflow-bulk-action.service';
 import { WorkflowCreationService } from './workflow-creation.service';
 import { createWorkflowEntityFromPayload } from './workflow-entity-mapper';
 import { WorkflowExecutionService } from './workflow-execution.service';
@@ -94,6 +99,7 @@ export class WorkflowsController {
 		private readonly outboundHttp: OutboundHttp,
 		private readonly workflowPublicationStatusService: WorkflowPublicationStatusService,
 		private readonly ownershipService: OwnershipService,
+		private readonly workflowBulkActionService: WorkflowBulkActionService,
 	) {}
 
 	@Post('/')
@@ -347,6 +353,59 @@ export class WorkflowsController {
 		return writeLock;
 	}
 
+	// ProjectScope cannot authorize IDs from several projects in a request body.
+	// WorkflowBulkActionService verifies every requested workflow before mutating any of them.
+	@Post('/bulk/archive')
+	async bulkArchive(
+		req: AuthenticatedRequest,
+		_res: Response,
+		@Body body: BulkArchiveWorkflowsDto,
+	) {
+		return await this.workflowBulkActionService.archive(
+			req.user,
+			body.workflowIds,
+			req.headers['push-ref'] as string | undefined,
+		);
+	}
+
+	@Post('/bulk/delete')
+	async bulkDelete(req: AuthenticatedRequest, _res: Response, @Body body: BulkDeleteWorkflowsDto) {
+		return await this.workflowBulkActionService.delete(
+			req.user,
+			body.workflowIds,
+			req.headers['push-ref'] as string | undefined,
+		);
+	}
+
+	@Post('/bulk/unpublish')
+	async bulkUnpublish(
+		req: AuthenticatedRequest,
+		_res: Response,
+		@Body body: BulkUnpublishWorkflowsDto,
+	) {
+		return await this.workflowBulkActionService.unpublish(
+			req.user,
+			body.workflowIds,
+			req.headers['push-ref'] as string | undefined,
+		);
+	}
+
+	@Post('/bulk/transfer')
+	async bulkTransfer(
+		req: AuthenticatedRequest,
+		_res: Response,
+		@Body body: BulkTransferWorkflowsDto,
+	) {
+		return await this.workflowBulkActionService.transfer(
+			req.user,
+			body.workflowIds,
+			body.destinationProjectId,
+			body.shareCredentials,
+			body.destinationParentFolderId,
+			req.headers['push-ref'] as string | undefined,
+		);
+	}
+
 	@Delete('/:workflowId')
 	@ProjectScope('workflow:delete')
 	async delete(req: AuthenticatedRequest, _res: Response, @Param('workflowId') workflowId: string) {
diff --git a/packages/cli/test/integration/workflows/workflows.controller.test.ts b/packages/cli/test/integration/workflows/workflows.controller.test.ts
index 87ce4bdef70..c51e07f46a3 100644
--- a/packages/cli/test/integration/workflows/workflows.controller.test.ts
+++ b/packages/cli/test/integration/workflows/workflows.controller.test.ts
@@ -4873,6 +4873,107 @@ describe('POST /workflows/:workflowId/run', () => {
 	});
 });
 
+describe('workflow bulk actions', () => {
+	test('archives workflows from different projects', async () => {
+		const teamProject = await createTeamProject('Bulk source', owner);
+		const workflows = await Promise.all([
+			createWorkflow({}, owner),
+			createWorkflow({}, teamProject),
+		]);
+
+		const response = await authOwnerAgent
+			.post('/workflows/bulk/archive')
+			.send({ workflowIds: workflows.map(({ id }) => id) })
+			.expect(200);
+
+		expect(response.body.data).toEqual({
+			status: 'completed',
+			results: workflows.map(({ id }) => ({ workflowId: id, status: 'completed' })),
+		});
+		await expect(workflowRepository.findByIds(workflows.map(({ id }) => id))).resolves.toEqual(
+			expect.arrayContaining([
+				expect.objectContaining({ id: workflows[0].id, isArchived: true }),
+				expect.objectContaining({ id: workflows[1].id, isArchived: true }),
+			]),
+		);
+	});
+
+	test('does not mutate any workflow when strict preflight fails', async () => {
+		const accessibleWorkflow = await createWorkflow({}, owner);
+		const inaccessibleWorkflow = await createWorkflow({}, member);
+
+		const response = await authMemberAgent
+			.post('/workflows/bulk/archive')
+			.send({ workflowIds: [inaccessibleWorkflow.id, accessibleWorkflow.id] })
+			.expect(422);
+
+		expect(response.body.meta.issues).toEqual([
+			expect.objectContaining({
+				workflowId: accessibleWorkflow.id,
+				reason: 'notFoundOrForbidden',
+			}),
+		]);
+		await expect(workflowRepository.findById(inaccessibleWorkflow.id)).resolves.toMatchObject({
+			isArchived: false,
+		});
+	});
+
+	test('unpublishes active workflows and reports inactive workflows as unchanged', async () => {
+		const activeWorkflow = await createActiveWorkflow({}, owner);
+		const inactiveWorkflow = await createWorkflow({}, owner);
+
+		const response = await authOwnerAgent
+			.post('/workflows/bulk/unpublish')
+			.send({ workflowIds: [activeWorkflow.id, inactiveWorkflow.id] })
+			.expect(200);
+
+		expect(response.body.data).toEqual({
+			status: 'completed',
+			results: [
+				{ workflowId: activeWorkflow.id, status: 'completed' },
+				{ workflowId: inactiveWorkflow.id, status: 'unchanged' },
+			],
+		});
+	});
+
+	test('permanently deletes archived workflows', async () => {
+		const workflows = await Promise.all([
+			createWorkflow({ isArchived: true }, owner),
+			createWorkflow({ isArchived: true }, owner),
+		]);
+
+		const response = await authOwnerAgent
+			.post('/workflows/bulk/delete')
+			.send({ workflowIds: workflows.map(({ id }) => id) })
+			.expect(200);
+
+		expect(response.body.data.status).toBe('completed');
+		await expect(workflowRepository.findByIds(workflows.map(({ id }) => id))).resolves.toHaveLength(
+			0,
+		);
+	});
+
+	test('transfers workflows to one destination project', async () => {
+		const destinationProject = await createTeamProject('Bulk destination', owner);
+		const workflows = await Promise.all([createWorkflow({}, owner), createWorkflow({}, member)]);
+
+		const response = await authOwnerAgent
+			.post('/workflows/bulk/transfer')
+			.send({
+				workflowIds: workflows.map(({ id }) => id),
+				destinationProjectId: destinationProject.id,
+			})
+			.expect(200);
+
+		expect(response.body.data.status).toBe('completed');
+		const sharings = await Container.get(SharedWorkflowRepository).findByWorkflowIds(
+			workflows.map(({ id }) => id),
+		);
+		expect(sharings).toHaveLength(2);
+		expect(sharings.every(({ projectId }) => projectId === destinationProject.id)).toBe(true);
+	});
+});
+
 describe('POST /workflows/:workflowId/archive', () => {
 	test('should archive workflow', async () => {
 		const workflow = await createWorkflow({}, owner);