diff --git a/server/src/interfaces/announcementType.ts b/server/src/interfaces/announcementType.ts
new file mode 100644
index 0000000..432200d
--- /dev/null
+++ b/server/src/interfaces/announcementType.ts
@@ -0,0 +1,10 @@
+/**
+ * @copyright NHCarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+/**
+ * This really only exists so we can do a type guard.
+ */
+export type AnnouncementType = "products" | "community" | "company";
diff --git a/server/src/modules/announceOnDiscord.ts b/server/src/modules/announceOnDiscord.ts
index 5262716..5b886cd 100644
--- a/server/src/modules/announceOnDiscord.ts
+++ b/server/src/modules/announceOnDiscord.ts
@@ -5,14 +5,23 @@
  */
 /* eslint-disable @typescript-eslint/naming-convention -- we are making raw API calls. */
 
-const channelIds = {
+import type { AnnouncementType } from "../interfaces/announcementType.js";
+
+const channelIds: Record<AnnouncementType, string> = {
   community: "1386105484313886820",
+  company:   "1422472775695728661",
   products:  "1386105452881776661",
-} as const;
-const roleIds = {
+};
+const roleIds: Record<AnnouncementType, string> = {
   community: "1386107941224054895",
-  products:  "1386107909699666121",
-} as const;
+
+  /**
+   * Note that this is not a role ID, but the server ID.
+   * Company announcements ping everyone.
+   */
+  company:  "1354624415861833870",
+  products: "1386107909699666121",
+};
 
 /**
  * Forwards an announcement to our Discord server.
@@ -24,7 +33,7 @@ const roleIds = {
 export const announceOnDiscord = async(
   title: string,
   content: string,
-  type: "products" | "community",
+  type: AnnouncementType,
 ): Promise<string> => {
   const messageRequest = await fetch(
     `https://discord.com/api/v10/channels/${channelIds[type]}/messages`,
diff --git a/server/src/modules/announceOnReddit.ts b/server/src/modules/announceOnReddit.ts
index f38423d..d1c3a57 100644
--- a/server/src/modules/announceOnReddit.ts
+++ b/server/src/modules/announceOnReddit.ts
@@ -6,8 +6,11 @@
 /* eslint-disable @typescript-eslint/naming-convention -- we are making raw API calls. */
 /* eslint-disable max-lines-per-function -- Big logic here. */
 
-const flairIds = {
+import type { AnnouncementType } from "../interfaces/announcementType.js";
+
+const flairIds: Record<AnnouncementType, string> = {
   community: "7a01a5a6-0f29-11ef-a0c4-c6fb085f7c8f",
+  company:   "dd8057c0-9e30-11f0-b321-d683551dcb2b",
   products:  "335e57b6-083f-11ef-96b3-0202af2d9d99",
 };
 
@@ -21,7 +24,7 @@ const flairIds = {
 export const announceOnReddit = async(
   title: string,
   content: string,
-  type: "products" | "community",
+  type: AnnouncementType,
 ): Promise<string> => {
   if (
     process.env.REDDIT_CLIENT_ID === undefined
diff --git a/server/src/routes/announcement.ts b/server/src/routes/announcement.ts
index 6ccfba5..ec4370d 100644
--- a/server/src/routes/announcement.ts
+++ b/server/src/routes/announcement.ts
@@ -12,6 +12,7 @@ import { announceOnReddit } from "../modules/announceOnReddit.js";
 import { announceOnTwitter } from "../modules/announceOnTwitter.js";
 import { getIpFromRequest } from "../modules/getIpFromRequest.js";
 import { summarisePost } from "../modules/summarisePost.js";
+import { isAnnouncementType } from "../utils/typeguards.js";
 import type { FastifyPluginAsync } from "fastify";
 
 const oneDay = 24 * 60 * 60 * 1000;
@@ -73,10 +74,10 @@ export const announcementRoutes: FastifyPluginAsync = async(server) => {
         });
       }
 
-      if (type !== "products" && type !== "community") {
+      if (!isAnnouncementType(type)) {
         return await reply.status(400).send({
           error:
-            "Invalid announcement type. Available types: products, community.",
+            `Invalid announcement type. Available types: products, community, company.`,
         });
       }
 
diff --git a/server/src/routes/sanction.ts b/server/src/routes/sanction.ts
index 29c93ee..3036d03 100644
--- a/server/src/routes/sanction.ts
+++ b/server/src/routes/sanction.ts
@@ -8,7 +8,7 @@ import { blockedIps } from "../cache/blockedIps.js";
 import { database } from "../db/database.js";
 import { getIpFromRequest } from "../modules/getIpFromRequest.js";
 import { getSanctionComponents } from "../modules/getSanctionComponents.js";
-import { isValidString } from "../utils/isValidString.js";
+import { isValidString } from "../utils/typeguards.js";
 import type { FastifyPluginAsync } from "fastify";
 
 const oneDay = 24 * 60 * 60 * 1000;
diff --git a/server/src/utils/isValidString.ts b/server/src/utils/isValidString.ts
deleted file mode 100644
index 923b6cf..0000000
--- a/server/src/utils/isValidString.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @copyright NHCarrigan
- * @license Naomi's Public License
- * @author Naomi Carrigan
- */
-
-/**
- * Checks that a nullable value is a string and has length.
- * @param maybeString -- The nullable value to check.
- * @returns True if it is a string.
- */
-export const isValidString = (maybeString: unknown): maybeString is string => {
-  return typeof maybeString === "string" && maybeString.length > 0;
-};
diff --git a/server/src/utils/typeguards.ts b/server/src/utils/typeguards.ts
new file mode 100644
index 0000000..38be550
--- /dev/null
+++ b/server/src/utils/typeguards.ts
@@ -0,0 +1,32 @@
+/**
+ * @copyright NHCarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import type { AnnouncementType } from "../interfaces/announcementType.js";
+
+/**
+ * Checks if a string is a valid announcement type.
+ * @param maybeType - The string to check.
+ * @returns True if it is a valid announcement type.
+ */
+const isAnnouncementType
+= (maybeType: string): maybeType is AnnouncementType => {
+  return [
+    "products",
+    "community",
+    "announcement",
+  ].includes(maybeType);
+};
+
+/**
+ * Checks that a nullable value is a string and has length.
+ * @param maybeString -- The nullable value to check.
+ * @returns True if it is a string.
+ */
+const isValidString = (maybeString: unknown): maybeString is string => {
+  return typeof maybeString === "string" && maybeString.length > 0;
+};
+
+export { isAnnouncementType, isValidString };