diff --git a/src/modules/task-manager/providers/workspace-type.service.ts b/src/modules/task-manager/providers/workspace-type.service.ts
new file mode 100644
index 0000000..d2502dc
--- /dev/null
+++ b/src/modules/task-manager/providers/workspace-type.service.ts
@@ -0,0 +1,51 @@
+import { Injectable, NotFoundException, ConflictException } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+import { TMWorkspaceType } from "../entities/workspace-type.entity";
+import { CreateWorkspaceTypeDto } from "../dto/workspace-type/create-workspace-type.dto";
+import { UpdateWorkspaceTypeDto } from "../dto/workspace-type/update-workspace-type.dto";
+
+@Injectable()
+export class WorkspaceTypeService {
+  constructor(
+    @InjectRepository(TMWorkspaceType)
+    private readonly workspaceTypeRepository: Repository<TMWorkspaceType>,
+  ) {}
+
+  findAll(): Promise<TMWorkspaceType[]> {
+    return this.workspaceTypeRepository.find({
+      order: { order: "ASC" },
+    });
+  }
+
+  async findOne(id: string): Promise<TMWorkspaceType> {
+    const workspaceType = await this.workspaceTypeRepository.findOne({ where: { id } });
+    if (!workspaceType) throw new NotFoundException(`WorkspaceType #${id} not found`);
+    return workspaceType;
+  }
+
+  async create(dto: CreateWorkspaceTypeDto): Promise<TMWorkspaceType> {
+    const existing = await this.workspaceTypeRepository.findOne({ where: { name: dto.name } });
+    if (existing) throw new ConflictException(`WorkspaceType with name "${dto.name}" already exists`);
+
+    const workspaceType = this.workspaceTypeRepository.create(dto);
+    return this.workspaceTypeRepository.save(workspaceType);
+  }
+
+  async update(id: string, dto: UpdateWorkspaceTypeDto): Promise<TMWorkspaceType> {
+    await this.findOne(id);
+
+    if (dto.name) {
+      const existing = await this.workspaceTypeRepository.findOne({ where: { name: dto.name } });
+      if (existing && existing.id !== id) throw new ConflictException(`WorkspaceType with name "${dto.name}" already exists`);
+    }
+
+    await this.workspaceTypeRepository.update(id, dto);
+    return this.findOne(id);
+  }
+
+  async remove(id: string): Promise<void> {
+    await this.findOne(id);
+    await this.workspaceTypeRepository.delete(id);
+  }
+}