diff --git a/apps/onboarding-ms/src/main/docs/openapi.json b/apps/onboarding-ms/src/main/docs/openapi.json
index 251c9dd03..e28a01fda 100644
--- a/apps/onboarding-ms/src/main/docs/openapi.json
+++ b/apps/onboarding-ms/src/main/docs/openapi.json
@@ -154,6 +154,12 @@
           "schema" : {
             "type" : "string"
           }
+        }, {
+          "name" : "subunitCode",
+          "in" : "query",
+          "schema" : {
+            "type" : "string"
+          }
         }, {
           "name" : "taxCode",
           "in" : "query",
@@ -1868,6 +1874,9 @@
           "onboardingId" : {
             "type" : "string"
           },
+          "subunitCode" : {
+            "type" : "string"
+          },
           "taxCode" : {
             "type" : "string"
           },
diff --git a/apps/onboarding-ms/src/main/docs/openapi.yaml b/apps/onboarding-ms/src/main/docs/openapi.yaml
index 1846ab47f..e2140ac76 100644
--- a/apps/onboarding-ms/src/main/docs/openapi.yaml
+++ b/apps/onboarding-ms/src/main/docs/openapi.yaml
@@ -109,6 +109,10 @@ paths:
         in: query
         schema:
           type: string
+      - name: subunitCode
+        in: query
+        schema:
+          type: string
       - name: taxCode
         in: query
         schema:
@@ -1318,6 +1322,8 @@ components:
           type: string
         onboardingId:
           type: string
+        subunitCode:
+          type: string
         taxCode:
           type: string
         status:
diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/OnboardingController.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/OnboardingController.java
index 298993d10..2dda8019a 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/OnboardingController.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/OnboardingController.java
@@ -245,6 +245,7 @@ public Uni<OnboardingGetResponse> getOnboardingWithFilter(@QueryParam(value = "p
                                                               @QueryParam(value = "taxCode") String taxCode,
                                                               @QueryParam(value = "institutionId") String institutionId,
                                                               @QueryParam(value = "onboardingId") String onboardingId,
+                                                              @QueryParam(value = "subunitCode") String subunitCode,
                                                               @QueryParam(value = "from") String from,
                                                               @QueryParam(value = "to") String to,
                                                               @QueryParam(value = "status") String status,
@@ -255,6 +256,7 @@ public Uni<OnboardingGetResponse> getOnboardingWithFilter(@QueryParam(value = "p
                 .taxCode(taxCode)
                 .institutionId(institutionId)
                 .onboardingId(onboardingId)
+                .subunitCode(subunitCode)
                 .from(from)
                 .to(to)
                 .status(status)
diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/OnboardingGetFilters.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/OnboardingGetFilters.java
index 6e3cc4f9f..d73c99ab7 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/OnboardingGetFilters.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/OnboardingGetFilters.java
@@ -11,6 +11,7 @@ public class OnboardingGetFilters {
     private String productId;
     private String institutionId;
     private String onboardingId;
+    private String subunitCode;
     private String taxCode;
     private String status;
     private String from;
diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/util/QueryUtils.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/util/QueryUtils.java
index cacc15112..cccb27fd6 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/util/QueryUtils.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/util/QueryUtils.java
@@ -83,6 +83,7 @@ public static Map<String, String> createMapForOnboardingQueryParameter(Onboardin
         Map<String, String> queryParameterMap = new HashMap<>();
         Optional.ofNullable(filters.getProductId()).ifPresent(value -> queryParameterMap.put(PRODUCT, value));
         Optional.ofNullable(filters.getTaxCode()).ifPresent(value -> queryParameterMap.put(INSTITUTION_TAX_CODE, value));
+        Optional.ofNullable(filters.getSubunitCode()).ifPresent(value -> queryParameterMap.put(INSTITUTION_SUBUNIT_CODE, value));
         Optional.ofNullable(filters.getStatus()).ifPresent(value -> queryParameterMap.put(STATUS, value));
         Optional.ofNullable(filters.getFrom()).ifPresent(value -> queryParameterMap.put(FROM, value));
         Optional.ofNullable(filters.getTo()).ifPresent(value -> queryParameterMap.put(TO, value));
diff --git a/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/controller/OnboardingControllerTest.java b/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/controller/OnboardingControllerTest.java
index dc9c0f89f..22b47f0b3 100644
--- a/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/controller/OnboardingControllerTest.java
+++ b/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/controller/OnboardingControllerTest.java
@@ -392,6 +392,7 @@ void getOnboarding() {
         OnboardingGetFilters filters = OnboardingGetFilters.builder()
                 .productId("prod-io")
                 .taxCode("taxCode")
+                .subunitCode("subunitCode")
                 .from("2023-12-01")
                 .to("2023-12-31")
                 .status("ACTIVE")
diff --git a/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/service/OnboardingServiceDefaultTest.java b/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/service/OnboardingServiceDefaultTest.java
index c0c392ac2..74af8551a 100644
--- a/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/service/OnboardingServiceDefaultTest.java
+++ b/apps/onboarding-ms/src/test/java/it/pagopa/selfcare/onboarding/service/OnboardingServiceDefaultTest.java
@@ -1105,6 +1105,30 @@ void testOnboardingGet() {
         subscriber.assertCompleted().assertItem(getResponse);
     }
 
+    @Test
+    void testOnboardingGet2() {
+        int page = 0, size = 3;
+        Onboarding onboarding = createDummyOnboarding();
+        mockFindOnboarding(onboarding);
+        OnboardingGetResponse getResponse = getOnboardingGetResponse(onboarding);
+        OnboardingGetFilters filters = OnboardingGetFilters.builder()
+                .productId("prod-io")
+                .taxCode("taxCode")
+                .subunitCode("subunitCode")
+                .from("2023-12-01")
+                .to("2023-12-31")
+                .status("ACTIVE")
+                .page(page)
+                .size(size)
+                .build();
+        UniAssertSubscriber<OnboardingGetResponse> subscriber = onboardingService
+                .onboardingGet(filters)
+                .subscribe()
+                .withSubscriber(UniAssertSubscriber.create());
+
+        subscriber.assertCompleted().assertItem(getResponse);
+    }
+
     private OnboardingGetResponse getOnboardingGetResponse(Onboarding onboarding) {
         OnboardingGet onboardingGet = onboardingMapper.toGetResponse(onboarding);
         OnboardingGetResponse response = new OnboardingGetResponse();