diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa848ce..e0776c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -131,6 +131,8 @@ target_sources(infinisim PUBLIC
   sim/components/battery/BatteryController.cpp
   sim/components/ble/MusicService.h
   sim/components/ble/MusicService.cpp
+  sim/components/ble/ImmediateAlertClient.h
+  sim/components/ble/ImmediateAlertClient.cpp
   sim/components/ble/NimbleController.h
   sim/components/ble/NimbleController.cpp
   sim/components/brightness/BrightnessController.h
diff --git a/sim/components/ble/ImmediateAlertClient.cpp b/sim/components/ble/ImmediateAlertClient.cpp
new file mode 100644
index 0000000..e49fb60
--- /dev/null
+++ b/sim/components/ble/ImmediateAlertClient.cpp
@@ -0,0 +1,26 @@
+#include "components/ble/ImmediateAlertClient.h"
+#include <cstring>
+#include <nrf_log.h>
+#include "systemtask/SystemTask.h"
+
+using namespace Pinetime::Controllers;
+
+constexpr ble_uuid16_t ImmediateAlertClient::immediateAlertClientUuid;
+constexpr ble_uuid16_t ImmediateAlertClient::alertLevelCharacteristicUuid;
+
+ImmediateAlertClient::ImmediateAlertClient(Pinetime::System::SystemTask& systemTask)
+  : systemTask {systemTask} {
+}
+
+void ImmediateAlertClient::Init() {
+}
+
+void ImmediateAlertClient::Discover(uint16_t connectionHandle, std::function<void(uint16_t)> onServiceDiscovered) {
+  NRF_LOG_INFO("[IAS] Starting discovery");
+  this->onServiceDiscovered = onServiceDiscovered;
+  // ble_gattc_disc_svc_by_uuid(connectionHandle, &immediateAlertClientUuid.u, OnDiscoveryEventCallback, this);
+}
+
+bool ImmediateAlertClient::SendImmediateAlert(ImmediateAlertClient::Levels level) {
+  return false;
+}
diff --git a/sim/components/ble/ImmediateAlertClient.h b/sim/components/ble/ImmediateAlertClient.h
new file mode 100644
index 0000000..bacaf06
--- /dev/null
+++ b/sim/components/ble/ImmediateAlertClient.h
@@ -0,0 +1,50 @@
+#pragma once
+#define min // workaround: nimble's min/max macros conflict with libstdc++
+#define max
+#include <host/ble_gap.h>
+#undef max
+#undef min
+#include <cstdint>
+#include "components/ble/BleClient.h"
+
+namespace Pinetime {
+  namespace System {
+    class SystemTask;
+  }
+
+  namespace Controllers {
+    class NotificationManager;
+
+    class ImmediateAlertClient : public BleClient {
+    public:
+      enum class Levels : uint8_t { NoAlert = 0, MildAlert = 1, HighAlert = 2 };
+      enum class State {
+        NoConnection,
+        NoIAS,
+        Connected,
+      };
+
+      ImmediateAlertClient(Pinetime::System::SystemTask& systemTask);
+      void Init();
+
+      bool SendImmediateAlert(Levels level);
+
+      State GetState() const {
+        return State::NoConnection;
+      }
+
+      void Discover(uint16_t connectionHandle, std::function<void(uint16_t)> lambda) override;
+
+    private:
+      Pinetime::System::SystemTask& systemTask;
+
+      static constexpr uint16_t immediateAlertClientId {0x1802};
+      static constexpr uint16_t alertLevelId {0x2A06};
+
+      static constexpr ble_uuid16_t immediateAlertClientUuid {.u {.type = BLE_UUID_TYPE_16}, .value = immediateAlertClientId};
+      static constexpr ble_uuid16_t alertLevelCharacteristicUuid {.u {.type = BLE_UUID_TYPE_16}, .value = alertLevelId};
+
+      std::function<void(uint16_t)> onServiceDiscovered;
+    };
+  }
+}
diff --git a/sim/components/ble/NimbleController.cpp b/sim/components/ble/NimbleController.cpp
index fda4155..a015e38 100644
--- a/sim/components/ble/NimbleController.cpp
+++ b/sim/components/ble/NimbleController.cpp
@@ -45,6 +45,7 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
 //    currentTimeService {dateTimeController},
     musicService {systemTask},
     weatherService {dateTimeController},
+    iaClient {systemTask},
 //    batteryInformationService {batteryController},
 //    immediateAlertService {systemTask, notificationManager},
 //    heartRateService {systemTask, heartRateController},
@@ -91,6 +92,7 @@ void NimbleController::Init() {
   musicService.Init();
   weatherService.Init();
   navService.Init();
+  iaClient.Init();
 //  anService.Init();
 //  dfuService.Init();
 //  batteryInformationService.Init();
diff --git a/sim/components/ble/NimbleController.h b/sim/components/ble/NimbleController.h
index 8566d1b..a0b7c1a 100644
--- a/sim/components/ble/NimbleController.h
+++ b/sim/components/ble/NimbleController.h
@@ -16,6 +16,7 @@
 //#include "components/ble/DfuService.h"
 //#include "components/ble/HeartRateService.h"
 //#include "components/ble/ImmediateAlertService.h"
+#include "components/ble/ImmediateAlertClient.h"
 #include "components/ble/MusicService.h"
 #include "components/ble/NavigationService.h"
 //#include "components/ble/ServiceDiscovery.h"
@@ -81,6 +82,9 @@ namespace Pinetime {
       Pinetime::Controllers::SimpleWeatherService& weather() {
         return weatherService;
       };
+      Pinetime::Controllers::ImmediateAlertClient& immediateAlertClient() {
+        return iaClient;
+      };
 
       uint16_t connHandle();
       void NotifyBatteryLevel(uint8_t level);
@@ -115,6 +119,7 @@ namespace Pinetime {
       NavigationService navService;
 //      BatteryInformationService batteryInformationService;
 //      ImmediateAlertService immediateAlertService;
+      ImmediateAlertClient iaClient;
 //      HeartRateService heartRateService;
       MotionService motionService;
 //      FSService fsService;