diff --git a/src/AIoTC_Config.h b/src/AIoTC_Config.h
index f169ecbd3..4ae83767d 100644
--- a/src/AIoTC_Config.h
+++ b/src/AIoTC_Config.h
@@ -126,7 +126,7 @@
   #define HAS_TCP
 #endif
 
-#if defined(ARDUINO_NICLA_VISION)
+#if defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_PORTENTA_C33)
   #define BOARD_HAS_SE050
   #define HAS_TCP
 #endif
diff --git a/src/ArduinoIoTCloudTCP.cpp b/src/ArduinoIoTCloudTCP.cpp
index 5d0dd8f57..2e8b1bea8 100644
--- a/src/ArduinoIoTCloudTCP.cpp
+++ b/src/ArduinoIoTCloudTCP.cpp
@@ -166,6 +166,9 @@ int ArduinoIoTCloudTCP::begin(bool const enable_watchdog, String brokerAddress,
 
 #if defined(BOARD_HAS_ECCX08)
   _sslClient.setClient(_connection->getClient());
+#elif defined(ARDUINO_PORTENTA_C33)
+  _sslClient.setClient(_connection->getClient());
+  _sslClient.setCACert(AIoTSSCert);
 #elif defined(BOARD_HAS_SE050)
   _sslClient.appendCustomCACert(AIoTSSCert);
 #elif defined(BOARD_ESP)
diff --git a/src/ArduinoIoTCloudTCP.h b/src/ArduinoIoTCloudTCP.h
index e8218c9e1..54b0d34f4 100644
--- a/src/ArduinoIoTCloudTCP.h
+++ b/src/ArduinoIoTCloudTCP.h
@@ -31,6 +31,9 @@
   #include "tls/utility/CryptoUtil.h"
 #elif defined(BOARD_ESP)
   #include <WiFiClientSecure.h>
+#elif defined(ARDUINO_PORTENTA_C33)
+  #include "tls/utility/CryptoUtil.h"
+  #include <SSLClient.h>
 #elif defined(BOARD_HAS_SE050)
   #include "tls/utility/CryptoUtil.h"
   #include <WiFiSSLSE050Client.h>
@@ -146,6 +149,10 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
     #elif defined(BOARD_ESP)
     WiFiClientSecure _sslClient;
     String _password;
+    #elif defined(ARDUINO_PORTENTA_C33)
+    ArduinoIoTCloudCertClass _cert;
+    SSLClient _sslClient;
+    CryptoUtil _crypto;
     #elif defined(BOARD_HAS_SE050)
     ArduinoIoTCloudCertClass _cert;
     WiFiSSLSE050Client _sslClient;
diff --git a/src/utility/time/TimeService.cpp b/src/utility/time/TimeService.cpp
index a9536caa0..eeab3245d 100644
--- a/src/utility/time/TimeService.cpp
+++ b/src/utility/time/TimeService.cpp
@@ -38,6 +38,10 @@
   #include "RTCMillis.h"
 #endif
 
+#ifdef ARDUINO_ARCH_RENESAS
+  #include "RTC.h"
+#endif
+
 /**************************************************************************************
  * GLOBAL VARIABLES
  **************************************************************************************/
@@ -86,6 +90,12 @@ void esp8266_setRTC(unsigned long time);
 unsigned long esp8266_getRTC();
 #endif
 
+#ifdef ARDUINO_ARCH_RENESAS
+void renesas_initRTC();
+void renesas_setRTC(unsigned long time);
+unsigned long renesas_getRTC();
+#endif
+
 /**************************************************************************************
  * CONSTANTS
  **************************************************************************************/
@@ -330,8 +340,10 @@ void TimeServiceClass::initRTC()
   stm32h7_initRTC();
 #elif defined (ARDUINO_ARCH_ESP32)
   esp32_initRTC();
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   esp8266_initRTC();
+#elif defined (ARDUINO_ARCH_RENESAS)
+  renesas_initRTC();
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -347,8 +359,10 @@ void TimeServiceClass::setRTC(unsigned long time)
   stm32h7_setRTC(time);
 #elif defined (ARDUINO_ARCH_ESP32)
   esp32_setRTC(time);
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   esp8266_setRTC(time);
+#elif defined (ARDUINO_ARCH_RENESAS)
+  renesas_setRTC(time);
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -364,8 +378,10 @@ unsigned long TimeServiceClass::getRTC()
   return stm32h7_getRTC();
 #elif defined (ARDUINO_ARCH_ESP32)
   return esp32_getRTC();
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   return esp8266_getRTC();
+#elif defined (ARDUINO_ARCH_RENESAS)
+  return renesas_getRTC();
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -491,6 +507,26 @@ unsigned long esp8266_getRTC()
 }
 #endif
 
+#ifdef ARDUINO_ARCH_RENESAS
+void renesas_initRTC()
+{
+  RTC.begin();
+}
+
+void renesas_setRTC(unsigned long time)
+{
+  RTCTime t(time);
+  RTC.setTime(t);
+}
+
+unsigned long renesas_getRTC()
+{
+  RTCTime t;
+  RTC.getTime(t);
+  return t.getUnixTime();
+}
+#endif
+
 /******************************************************************************
  * EXTERN DEFINITION
  ******************************************************************************/