diff --git a/packages/trpc/server/routers/viewer/organizations/addMembersToEventTypes.handler.ts b/packages/trpc/server/routers/viewer/organizations/addMembersToEventTypes.handler.ts
index 925a36d54ae254..fd201bb578f5d5 100644
--- a/packages/trpc/server/routers/viewer/organizations/addMembersToEventTypes.handler.ts
+++ b/packages/trpc/server/routers/viewer/organizations/addMembersToEventTypes.handler.ts
@@ -1,6 +1,7 @@
-import { isOrganisationAdmin } from "@calcom/lib/server/queries/organisations";
+import { PermissionCheckService } from "@calcom/features/pbac/services/permission-check.service";
 import prisma from "@calcom/prisma";
 import type { Prisma } from "@calcom/prisma/client";
+import { MembershipRole } from "@calcom/prisma/client";
 
 import { TRPCError } from "@trpc/server";
 
@@ -18,9 +19,21 @@ type AddBulkToEventTypeHandler = {
 export async function addMembersToEventTypesHandler({ ctx, input }: AddBulkToEventTypeHandler) {
   if (!ctx.user.organizationId) throw new TRPCError({ code: "UNAUTHORIZED" });
 
-  // check if user is admin of organization
-  if (!(await isOrganisationAdmin(ctx.user?.id, ctx.user.organizationId)))
-    throw new TRPCError({ code: "UNAUTHORIZED" });
+  // Check if user has permission to manage event types in the organization
+  const permissionCheckService = new PermissionCheckService();
+  const hasPermission = await permissionCheckService.checkPermission({
+    userId: ctx.user.id,
+    teamId: ctx.user.organizationId,
+    permission: "eventType.update",
+    fallbackRoles: [MembershipRole.OWNER, MembershipRole.ADMIN],
+  });
+
+  if (!hasPermission) {
+    throw new TRPCError({
+      code: "UNAUTHORIZED",
+      message: "You are not authorized to manage event types in this organization",
+    });
+  }
 
   const { eventTypeIds, teamIds, userIds } = input;
 
diff --git a/packages/trpc/server/routers/viewer/organizations/createTeams.handler.ts b/packages/trpc/server/routers/viewer/organizations/createTeams.handler.ts
index b3faf504a80489..a6a93a7792ec8e 100644
--- a/packages/trpc/server/routers/viewer/organizations/createTeams.handler.ts
+++ b/packages/trpc/server/routers/viewer/organizations/createTeams.handler.ts
@@ -1,5 +1,6 @@
 import { getOrgFullOrigin } from "@calcom/ee/organizations/lib/orgDomains";
 import stripe from "@calcom/features/ee/payments/server/stripe";
+import { PermissionCheckService } from "@calcom/features/pbac/services/permission-check.service";
 import logger from "@calcom/lib/logger";
 import { safeStringify } from "@calcom/lib/safeStringify";
 import { UserRepository } from "@calcom/lib/server/repository/user";
@@ -41,24 +42,20 @@ export const createTeamsHandler = async ({ ctx, input }: CreateTeamsOptions) =>
     throw new NotAuthorizedError();
   }
 
-  // Validate user membership role
-  const userMembershipRole = await prisma.membership.findFirst({
-    where: {
-      userId: organizationOwner.id,
-      teamId: orgId,
-      role: {
-        in: ["OWNER", "ADMIN"],
-      },
-      // @TODO: not sure if this already setup earlier
-      // accepted: true,
-    },
-    select: {
-      role: true,
-    },
+  // Validate user has permission to create teams in the organization
+  const permissionCheckService = new PermissionCheckService();
+  const hasPermission = await permissionCheckService.checkPermission({
+    userId: organizationOwner.id,
+    teamId: orgId,
+    permission: "team.create",
+    fallbackRoles: [MembershipRole.OWNER, MembershipRole.ADMIN],
   });
 
-  if (!userMembershipRole) {
-    log.error("User is not a member of the organization", safeStringify({ orgId, organizationOwner }));
+  if (!hasPermission) {
+    log.error(
+      "User is not authorized to create teams in the organization",
+      safeStringify({ orgId, organizationOwner })
+    );
     throw new NotAuthorizedError();
   }
 
diff --git a/packages/trpc/server/routers/viewer/organizations/deleteTeam.handler.ts b/packages/trpc/server/routers/viewer/organizations/deleteTeam.handler.ts
index 2db525619dd2bb..812bcb41ce6be1 100644
--- a/packages/trpc/server/routers/viewer/organizations/deleteTeam.handler.ts
+++ b/packages/trpc/server/routers/viewer/organizations/deleteTeam.handler.ts
@@ -1,12 +1,52 @@
+import { PermissionCheckService } from "@calcom/features/pbac/services/permission-check.service";
 import { prisma } from "@calcom/prisma";
+import { MembershipRole } from "@calcom/prisma/client";
 
+import { TRPCError } from "@trpc/server";
+
+import type { TrpcSessionUser } from "../../../types";
 import type { TDeleteTeamInputSchema } from "./deleteTeam.schema";
 
 type DeleteOptions = {
+  ctx: {
+    user: NonNullable<TrpcSessionUser>;
+  };
   input: TDeleteTeamInputSchema;
 };
 
-export const deleteTeamHandler = async ({ input }: DeleteOptions) => {
+export const deleteTeamHandler = async ({ ctx, input }: DeleteOptions) => {
+  const team = await prisma.team.findUnique({
+    where: { id: input.teamId },
+    select: {
+      id: true,
+      parentId: true,
+    },
+  });
+
+  if (!team) {
+    throw new TRPCError({ code: "NOT_FOUND", message: "Team not found" });
+  }
+
+  if (!team.parentId) {
+    throw new TRPCError({ code: "BAD_REQUEST", message: "Can only delete teams within organizations" });
+  }
+
+  // Check if user has permission to delete teams in this organization
+  const permissionCheckService = new PermissionCheckService();
+  const hasPermission = await permissionCheckService.checkPermission({
+    userId: ctx.user.id,
+    teamId: team.parentId,
+    permission: "team.delete",
+    fallbackRoles: [MembershipRole.OWNER, MembershipRole.ADMIN],
+  });
+
+  if (!hasPermission) {
+    throw new TRPCError({
+      code: "UNAUTHORIZED",
+      message: "You are not authorized to delete teams in this organization",
+    });
+  }
+
   // delete all memberships
   await prisma.membership.deleteMany({
     where: {
diff --git a/packages/trpc/server/routers/viewer/organizations/publish.handler.ts b/packages/trpc/server/routers/viewer/organizations/publish.handler.ts
index 8b9aca449707e4..096d0ff928ca10 100644
--- a/packages/trpc/server/routers/viewer/organizations/publish.handler.ts
+++ b/packages/trpc/server/routers/viewer/organizations/publish.handler.ts
@@ -1,8 +1,9 @@
 import { getRequestedSlugError } from "@calcom/app-store/stripepayment/lib/team-billing";
 import { purchaseTeamOrOrgSubscription } from "@calcom/features/ee/teams/lib/payments";
+import { PermissionCheckService } from "@calcom/features/pbac/services/permission-check.service";
 import { IS_TEAM_BILLING_ENABLED, WEBAPP_URL } from "@calcom/lib/constants";
-import { isOrganisationAdmin } from "@calcom/lib/server/queries/organisations";
 import { prisma } from "@calcom/prisma";
+import { MembershipRole } from "@calcom/prisma/client";
 import { teamMetadataStrictSchema } from "@calcom/prisma/zod-utils";
 
 import { TRPCError } from "@trpc/server";
@@ -20,7 +21,21 @@ export const publishHandler = async ({ ctx }: PublishOptions) => {
   if (!orgId)
     throw new TRPCError({ code: "UNAUTHORIZED", message: "You do not have an organization to upgrade" });
 
-  if (!(await isOrganisationAdmin(ctx.user.id, orgId))) throw new TRPCError({ code: "UNAUTHORIZED" });
+  // Check if user has permission to publish the organization
+  const permissionCheckService = new PermissionCheckService();
+  const hasPermission = await permissionCheckService.checkPermission({
+    userId: ctx.user.id,
+    teamId: orgId,
+    permission: "organization.update",
+    fallbackRoles: [MembershipRole.OWNER, MembershipRole.ADMIN],
+  });
+
+  if (!hasPermission) {
+    throw new TRPCError({
+      code: "UNAUTHORIZED",
+      message: "You are not authorized to publish this organization",
+    });
+  }
 
   const prevTeam = await prisma.team.findUnique({
     where: {
@@ -66,7 +81,6 @@ export const publishHandler = async ({ ctx }: PublishOptions) => {
   const { requestedSlug, ...newMetadata } = metadata.data;
   let updatedTeam: Awaited<ReturnType<typeof prisma.team.update>>;
 
-
   try {
     updatedTeam = await prisma.team.update({
       where: { id: orgId },