diff --git a/backend/src/app.ts b/backend/src/app.ts
index 95c5f67..dd8155b 100644
--- a/backend/src/app.ts
+++ b/backend/src/app.ts
@@ -32,11 +32,7 @@ app.use(Sentry.Handlers.errorHandler());
 
 app.use(async (err: Error, req: Request, res: Response, _: NextFunction) => {
   if (err instanceof AppError) {
-    if (err.statusCode === 403) {
-      logger.warn(err);
-    } else {
-      logger.error(err);
-    }
+    logger.warn(err);
     return res.status(err.statusCode).json({ error: err.message });
   }
 
diff --git a/backend/src/controllers/QueueController.ts b/backend/src/controllers/QueueController.ts
index de489c7..9dbad1b 100644
--- a/backend/src/controllers/QueueController.ts
+++ b/backend/src/controllers/QueueController.ts
@@ -1,11 +1,12 @@
 import { Request, Response } from "express";
-import Queue from "../models/Queue";
-
-// import { getIO } from "../libs/socket";
-// import AppError from "../errors/AppError";
+import CreateQueueService from "../services/QueueService/CreateQueueService";
+import DeleteQueueService from "../services/QueueService/DeleteQueueService";
+import ListQueuesService from "../services/QueueService/ListQueuesService";
+import ShowQueueService from "../services/QueueService/ShowQueueService";
+import UpdateQueueService from "../services/QueueService/UpdateQueueService";
 
 export const index = async (req: Request, res: Response): Promise<Response> => {
-  const queues = await Queue.findAll();
+  const queues = await ListQueuesService();
 
   return res.status(200).json(queues);
 };
@@ -13,7 +14,37 @@ export const index = async (req: Request, res: Response): Promise<Response> => {
 export const store = async (req: Request, res: Response): Promise<Response> => {
   const { name, color, greetingMessage } = req.body;
 
-  const queue = await Queue.create({ name, color, greetingMessage });
+  const queue = await CreateQueueService({ name, color, greetingMessage });
 
   return res.status(200).json(queue);
 };
+
+export const show = async (req: Request, res: Response): Promise<Response> => {
+  const { queueId } = req.params;
+
+  const queue = await ShowQueueService(queueId);
+
+  return res.status(200).json(queue);
+};
+
+export const update = async (
+  req: Request,
+  res: Response
+): Promise<Response> => {
+  const { queueId } = req.params;
+
+  const queue = await UpdateQueueService(queueId, req.body);
+
+  return res.status(201).json(queue);
+};
+
+export const remove = async (
+  req: Request,
+  res: Response
+): Promise<Response> => {
+  const { queueId } = req.params;
+
+  await DeleteQueueService(queueId);
+
+  return res.status(200).send();
+};
diff --git a/backend/src/routes/queueRoutes.ts b/backend/src/routes/queueRoutes.ts
index 51e793d..a85f5e3 100644
--- a/backend/src/routes/queueRoutes.ts
+++ b/backend/src/routes/queueRoutes.ts
@@ -9,4 +9,10 @@ queueRoutes.get("/queue", isAuth, QueueController.index);
 
 queueRoutes.post("/queue", isAuth, QueueController.store);
 
+queueRoutes.get("/queue/:queueId", isAuth, QueueController.show);
+
+queueRoutes.put("/queue/:queueId", isAuth, QueueController.update);
+
+queueRoutes.delete("/queue/:queueId", isAuth, QueueController.remove);
+
 export default queueRoutes;
diff --git a/backend/src/services/QueueService/CreateQueueService.ts b/backend/src/services/QueueService/CreateQueueService.ts
new file mode 100644
index 0000000..57881e1
--- /dev/null
+++ b/backend/src/services/QueueService/CreateQueueService.ts
@@ -0,0 +1,67 @@
+import * as Yup from "yup";
+import AppError from "../../errors/AppError";
+import Queue from "../../models/Queue";
+
+interface QueueData {
+  name: string;
+  color: string;
+  greetingMessage?: string;
+}
+
+const CreateQueueService = async (queueData: QueueData): Promise<Queue> => {
+  const { color, name } = queueData;
+
+  const queueSchema = Yup.object().shape({
+    name: Yup.string()
+      .min(2, "ERR_QUEUE_INVALID_NAME")
+      .required("ERR_QUEUE_INVALID_NAME")
+      .test(
+        "Check-unique-name",
+        "ERR_QUEUE_NAME_ALREADY_EXISTS",
+        async value => {
+          if (value) {
+            const queueWithSameName = await Queue.findOne({
+              where: { name: value }
+            });
+
+            return !queueWithSameName;
+          }
+          return false;
+        }
+      ),
+    color: Yup.string()
+      .required("ERR_QUEUE_INVALID_COLOR")
+      .test("Check-color", "ERR_QUEUE_INVALID_COLOR", async value => {
+        if (value) {
+          const colorTestRegex = /^#[0-9a-f]{3,6}$/i;
+          return colorTestRegex.test(value);
+        }
+        return false;
+      })
+      .test(
+        "Check-color-exists",
+        "ERR_QUEUE_COLOR_ALREADY_EXISTS",
+        async value => {
+          if (value) {
+            const queueWithSameColor = await Queue.findOne({
+              where: { color: value }
+            });
+            return !queueWithSameColor;
+          }
+          return false;
+        }
+      )
+  });
+
+  try {
+    await queueSchema.validate({ color, name });
+  } catch (err) {
+    throw new AppError(err.message);
+  }
+
+  const queue = await Queue.create(queueData);
+
+  return queue;
+};
+
+export default CreateQueueService;
diff --git a/backend/src/services/QueueService/DeleteQueueService.ts b/backend/src/services/QueueService/DeleteQueueService.ts
new file mode 100644
index 0000000..fcf9ef6
--- /dev/null
+++ b/backend/src/services/QueueService/DeleteQueueService.ts
@@ -0,0 +1,9 @@
+import ShowQueueService from "./ShowQueueService";
+
+const DeleteQueueService = async (queueId: number | string): Promise<void> => {
+  const queue = await ShowQueueService(queueId);
+
+  await queue.destroy();
+};
+
+export default DeleteQueueService;
diff --git a/backend/src/services/QueueService/ListQueuesService.ts b/backend/src/services/QueueService/ListQueuesService.ts
new file mode 100644
index 0000000..9a9a3a1
--- /dev/null
+++ b/backend/src/services/QueueService/ListQueuesService.ts
@@ -0,0 +1,9 @@
+import Queue from "../../models/Queue";
+
+const ListQueuesService = async (): Promise<Queue[]> => {
+  const queues = await Queue.findAll();
+
+  return queues;
+};
+
+export default ListQueuesService;
diff --git a/backend/src/services/QueueService/ShowQueueService.ts b/backend/src/services/QueueService/ShowQueueService.ts
new file mode 100644
index 0000000..16ade45
--- /dev/null
+++ b/backend/src/services/QueueService/ShowQueueService.ts
@@ -0,0 +1,14 @@
+import AppError from "../../errors/AppError";
+import Queue from "../../models/Queue";
+
+const ShowQueueService = async (queueId: number | string): Promise<Queue> => {
+  const queue = await Queue.findByPk(queueId);
+
+  if (!queue) {
+    throw new AppError("ERR_QUEUE_NOT_FOUND");
+  }
+
+  return queue;
+};
+
+export default ShowQueueService;
diff --git a/backend/src/services/QueueService/UpdateQueueService.ts b/backend/src/services/QueueService/UpdateQueueService.ts
new file mode 100644
index 0000000..8aa2a23
--- /dev/null
+++ b/backend/src/services/QueueService/UpdateQueueService.ts
@@ -0,0 +1,73 @@
+import { Op } from "sequelize";
+import * as Yup from "yup";
+import AppError from "../../errors/AppError";
+import Queue from "../../models/Queue";
+import ShowQueueService from "./ShowQueueService";
+
+interface QueueData {
+  name?: string;
+  color?: string;
+  greetingMessage?: string;
+}
+
+const UpdateQueueService = async (
+  queueId: number | string,
+  queueData: QueueData
+): Promise<Queue> => {
+  const { color, name } = queueData;
+
+  const queueSchema = Yup.object().shape({
+    name: Yup.string()
+      .min(2, "ERR_QUEUE_INVALID_NAME")
+      .test(
+        "Check-unique-name",
+        "ERR_QUEUE_NAME_ALREADY_EXISTS",
+        async value => {
+          if (value) {
+            const queueWithSameName = await Queue.findOne({
+              where: { name: value, id: { [Op.not]: queueId } }
+            });
+
+            return !queueWithSameName;
+          }
+          return true;
+        }
+      ),
+    color: Yup.string()
+      .required("ERR_QUEUE_INVALID_COLOR")
+      .test("Check-color", "ERR_QUEUE_INVALID_COLOR", async value => {
+        if (value) {
+          const colorTestRegex = /^#[0-9a-f]{3,6}$/i;
+          return colorTestRegex.test(value);
+        }
+        return true;
+      })
+      .test(
+        "Check-color-exists",
+        "ERR_QUEUE_COLOR_ALREADY_EXISTS",
+        async value => {
+          if (value) {
+            const queueWithSameColor = await Queue.findOne({
+              where: { color: value, id: { [Op.not]: queueId } }
+            });
+            return !queueWithSameColor;
+          }
+          return true;
+        }
+      )
+  });
+
+  try {
+    await queueSchema.validate({ color, name });
+  } catch (err) {
+    throw new AppError(err.message);
+  }
+
+  const queue = await ShowQueueService(queueId);
+
+  await queue.update(queueData);
+
+  return queue;
+};
+
+export default UpdateQueueService;