diff --git a/packages/safe-chain/bin/safe-chain.js b/packages/safe-chain/bin/safe-chain.js
index d048ce1..06add7e 100755
--- a/packages/safe-chain/bin/safe-chain.js
+++ b/packages/safe-chain/bin/safe-chain.js
@@ -16,7 +16,10 @@ import path from "path";
 import { fileURLToPath } from "url";
 import fs from "fs";
 import { knownAikidoTools } from "../src/shell-integration/helpers.js";
-import { installUltimate } from "../src/installation/installUltimate.js";
+import {
+  installUltimate,
+  uninstallUltimate,
+} from "../src/installation/installUltimate.js";
 
 /** @type {string} */
 // This checks the current file's dirname in a way that's compatible with:
@@ -67,6 +70,10 @@ if (tool) {
   (async () => {
     await installUltimate();
   })();
+} else if (command === "--uninstall-ultimate") {
+  (async () => {
+    await uninstallUltimate();
+  })();
 } else if (command === "teardown") {
   teardownDirectories();
   teardown();
@@ -108,6 +115,11 @@ function writeHelp() {
       "safe-chain --ultimate",
     )}: This installs the ultimate version of safe-chain, enabling protection for more eco-systems (vscode).`,
   );
+  ui.writeInformation(
+    `- ${chalk.cyan(
+      "safe-chain --uninstall-ultimate",
+    )}: This uninstalls the ultimate version of safe-chain.`,
+  );
   ui.writeInformation(
     `- ${chalk.cyan(
       "safe-chain teardown",
diff --git a/packages/safe-chain/src/installation/installOnMacOS.js b/packages/safe-chain/src/installation/installOnMacOS.js
index 0d475b1..b2d39ce 100644
--- a/packages/safe-chain/src/installation/installOnMacOS.js
+++ b/packages/safe-chain/src/installation/installOnMacOS.js
@@ -1,11 +1,14 @@
 import { tmpdir } from "os";
-import { unlinkSync } from "fs";
+import { unlinkSync, rmSync } from "fs";
 import { join } from "path";
+import { execSync } from "child_process";
 import { ui } from "../environment/userInteraction.js";
 import { printVerboseAndSafeSpawn } from "../utils/safeSpawn.js";
 import { downloadAgentToFile, getAgentVersion } from "./downloadAgent.js";
 import chalk from "chalk";
 
+const MACOS_PKG_IDENTIFIER = "com.aikidosecurity.safechainultimate";
+
 export async function installOnMacOS() {
   if (!isRunningAsRoot()) {
     ui.writeError("Root privileges required.");
@@ -52,6 +55,87 @@ export async function installOnMacOS() {
   }
 }
 
+export async function uninstallOnMacOS() {
+  if (!isRunningAsRoot()) {
+    ui.writeError("Root privileges required.");
+    ui.writeInformation("Please run this command with sudo:");
+    ui.writeInformation("  sudo safe-chain --uninstall-ultimate");
+    return;
+  }
+
+  ui.emptyLine();
+
+  if (!isPackageInstalled()) {
+    ui.writeInformation("SafeChain Ultimate is not installed.");
+    return;
+  }
+
+  ui.writeInformation("⏹️  Stopping service...");
+  await stopService();
+
+  ui.writeInformation("🗑️  Removing installed files...");
+  removeKnownFiles();
+
+  ui.writeInformation("🧹 Forgetting package receipt...");
+  forgetPackage();
+
+  ui.emptyLine();
+  ui.writeInformation("✅ SafeChain Ultimate has been uninstalled.");
+  ui.emptyLine();
+}
+
+function isPackageInstalled() {
+  try {
+    const output = execSync(`pkgutil --pkg-info ${MACOS_PKG_IDENTIFIER}`, {
+      encoding: "utf8",
+      stdio: "pipe",
+    });
+    return output.includes(MACOS_PKG_IDENTIFIER);
+  } catch {
+    return false;
+  }
+}
+
+async function stopService() {
+  const result = await printVerboseAndSafeSpawn(
+    "launchctl",
+    ["bootout", `system/${MACOS_PKG_IDENTIFIER}`],
+    { stdio: "pipe" },
+  );
+
+  if (result.status !== 0) {
+    ui.writeVerbose("Service not running (will continue with uninstall).");
+  }
+}
+
+const MACOS_KNOWN_PATHS = [
+  "/Library/Application Support/AikidoSecurity/SafeChainUltimate",
+  "/Library/Logs/AikidoSecurity/SafeChainUltimate",
+  `/Library/LaunchDaemons/${MACOS_PKG_IDENTIFIER}.plist`,
+];
+
+function removeKnownFiles() {
+  for (const filePath of MACOS_KNOWN_PATHS) {
+    try {
+      rmSync(filePath, { recursive: true, force: true });
+      ui.writeVerbose(`Removed: ${filePath}`);
+    } catch {
+      ui.writeVerbose(`Failed to remove: ${filePath}`);
+    }
+  }
+}
+
+function forgetPackage() {
+  try {
+    execSync(`pkgutil --forget ${MACOS_PKG_IDENTIFIER}`, {
+      encoding: "utf8",
+      stdio: "pipe",
+    });
+  } catch {
+    ui.writeVerbose("Failed to forget package receipt.");
+  }
+}
+
 function isRunningAsRoot() {
   const rootUserUid = 0;
   return process.getuid?.() === rootUserUid;
diff --git a/packages/safe-chain/src/installation/installOnWindows.js b/packages/safe-chain/src/installation/installOnWindows.js
index 0741fb7..16bf2b7 100644
--- a/packages/safe-chain/src/installation/installOnWindows.js
+++ b/packages/safe-chain/src/installation/installOnWindows.js
@@ -9,6 +9,34 @@ import { downloadAgentToFile, getAgentVersion } from "./downloadAgent.js";
 const WINDOWS_SERVICE_NAME = "SafeChainUltimate";
 const WINDOWS_APP_NAME = "SafeChain Ultimate";
 
+export async function uninstallOnWindows() {
+  if (!(await isRunningAsAdmin())) {
+    ui.writeError("Administrator privileges required.");
+    ui.writeInformation(
+      "Please run this command in an elevated terminal (Run as Administrator).",
+    );
+    return;
+  }
+
+  ui.emptyLine();
+
+  const productCode = getInstalledProductCode();
+  if (!productCode) {
+    ui.writeInformation("SafeChain Ultimate is not installed.");
+    return;
+  }
+
+  ui.writeInformation("⏹️  Stopping running service...");
+  await stopServiceIfRunning();
+
+  ui.writeInformation("🗑️  Uninstalling SafeChain Ultimate...");
+  await uninstallByProductCode(productCode);
+
+  ui.emptyLine();
+  ui.writeInformation("✅ SafeChain Ultimate has been uninstalled.");
+  ui.emptyLine();
+}
+
 export async function installOnWindows() {
   if (!(await isRunningAsAdmin())) {
     ui.writeError("Administrator privileges required.");
@@ -64,7 +92,11 @@ async function isRunningAsAdmin() {
   return result.status === 0 && result.stdout.trim() === "True";
 }
 
-async function uninstallIfInstalled() {
+/**
+ * Returns the MSI product code for SafeChain Ultimate, or null if not installed.
+ * @returns {string | null}
+ */
+function getInstalledProductCode() {
   // Query Win32_Product via WMI to find the installed SafeChain Agent.
   // If found, outputs the product GUID (e.g., "{12345678-1234-...}") needed for msiexec uninstall.
   ui.writeVerbose(`Finding product code with PowerShell`);
@@ -76,15 +108,15 @@ async function uninstallIfInstalled() {
       { encoding: "utf8" },
     ).trim();
   } catch {
-    ui.writeVerbose("No existing installation found (fresh install).");
-    return;
-  }
-  if (!productCode) {
-    ui.writeVerbose("No existing installation found (fresh install).");
-    return;
+    return null;
   }
+  return productCode || null;
+}
 
-  ui.writeInformation("🗑️  Removing previous installation...");
+/**
+ * @param {string} productCode
+ */
+async function uninstallByProductCode(productCode) {
   ui.writeVerbose(`Found product code: ${productCode}`);
 
   // Use msiexec to run the msi installer quitely (https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/msiexec)
@@ -103,6 +135,17 @@ async function uninstallIfInstalled() {
   }
 }
 
+async function uninstallIfInstalled() {
+  const productCode = getInstalledProductCode();
+  if (!productCode) {
+    ui.writeVerbose("No existing installation found (fresh install).");
+    return;
+  }
+
+  ui.writeInformation("🗑️  Removing previous installation...");
+  await uninstallByProductCode(productCode);
+}
+
 /**
  * @param {string} msiPath
  */
diff --git a/packages/safe-chain/src/installation/installUltimate.js b/packages/safe-chain/src/installation/installUltimate.js
index a79a2b1..cfcdcca 100644
--- a/packages/safe-chain/src/installation/installUltimate.js
+++ b/packages/safe-chain/src/installation/installUltimate.js
@@ -1,8 +1,24 @@
 import { platform } from "os";
 import { ui } from "../environment/userInteraction.js";
 import { initializeCliArguments } from "../config/cliArguments.js";
-import { installOnWindows } from "./installOnWindows.js";
-import { installOnMacOS } from "./installOnMacOS.js";
+import { installOnWindows, uninstallOnWindows } from "./installOnWindows.js";
+import { installOnMacOS, uninstallOnMacOS } from "./installOnMacOS.js";
+
+export async function uninstallUltimate() {
+  initializeCliArguments(process.argv);
+
+  const operatingSystem = platform();
+
+  if (operatingSystem === "win32") {
+    await uninstallOnWindows();
+  } else if (operatingSystem === "darwin") {
+    await uninstallOnMacOS();
+  } else {
+    ui.writeInformation(
+      `Uninstall is not yet supported on ${operatingSystem}.`,
+    );
+  }
+}
 
 export async function installUltimate() {
   initializeCliArguments(process.argv);