diff --git a/server/src/service/index.ts b/server/src/service/index.ts
index 5db8afc4f..9bac381f6 100644
--- a/server/src/service/index.ts
+++ b/server/src/service/index.ts
@@ -18,6 +18,7 @@ export * from "@/service/infrastructure/emailService.js";
 export * from "@/service/infrastructure/globalPingService.js";
 export * from "@/service/infrastructure/networkService.js";
 export * from "@/service/infrastructure/notificationsService.js";
+export * from "@/service/infrastructure/tagService.js";
 export * from "@/service/infrastructure/statusService.js";
 
 // Notification providers
diff --git a/server/src/service/infrastructure/tagService.ts b/server/src/service/infrastructure/tagService.ts
new file mode 100644
index 000000000..5dc6f7cef
--- /dev/null
+++ b/server/src/service/infrastructure/tagService.ts
@@ -0,0 +1,37 @@
+import { Tag } from "@/types/index.js";
+import { ITagsRepository, IMonitorsRepository } from "@/repositories/index.js";
+export interface ITagsService {
+	createTag(tag: Partial<Tag>, teamId: string): Promise<Tag>;
+	getTag(tagId: string, teamId: string): Promise<Tag>;
+	getTagsByTeamId(teamId: string): Promise<Tag[]>;
+	updateTag(tagId: string, teamId: string, patch: Partial<Tag>): Promise<Tag>;
+	deleteTag(tagId: string, teamId: string): Promise<Tag>;
+}
+
+export class TagsService implements ITagsService {
+	constructor(
+		private tagsRepository: ITagsRepository,
+		private monitorsRepository: IMonitorsRepository
+	) {}
+
+	createTag = async (tagData: Partial<Tag>, teamId: string): Promise<Tag> => {
+		tagData.teamId = teamId;
+		return await this.tagsRepository.create(tagData);
+	};
+
+	getTag = async (tagId: string, teamId: string): Promise<Tag> => {
+		return await this.tagsRepository.findById(tagId, teamId);
+	};
+
+	getTagsByTeamId = async (teamId: string): Promise<Tag[]> => {
+		return await this.tagsRepository.findByTeamId(teamId);
+	};
+
+	updateTag = async (tagId: string, teamId: string, patch: Partial<Tag>): Promise<Tag> => {
+		return await this.tagsRepository.updateById(tagId, teamId, patch);
+	};
+	deleteTag = async (tagId: string, teamId: string): Promise<Tag> => {
+		await this.monitorsRepository.removeTagFromMonitors(tagId);
+		return await this.tagsRepository.deleteById(tagId, teamId);
+	};
+}