diff --git a/bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryMetastoreCatalog.java b/bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryMetastoreCatalog.java
index 0954aaae74e4..34ec7a62d5b5 100644
--- a/bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryMetastoreCatalog.java
+++ b/bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryMetastoreCatalog.java
@@ -280,6 +280,16 @@ public Map<String, String> loadNamespaceMetadata(Namespace namespace) {
     }
   }
 
+  @Override
+  protected boolean isValidIdentifier(TableIdentifier identifier) {
+    try {
+      validateNamespace(identifier.namespace());
+    } catch (IllegalArgumentException e) {
+      return false;
+    }
+    return true;
+  }
+
   @Override
   public String name() {
     return catalogName;
diff --git a/bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/TestBigQueryCatalog.java b/bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/TestBigQueryCatalog.java
index 4fa1bd29dad4..f7594f78ffac 100644
--- a/bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/TestBigQueryCatalog.java
+++ b/bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/TestBigQueryCatalog.java
@@ -21,6 +21,7 @@
 import static org.apache.iceberg.CatalogUtil.ICEBERG_CATALOG_TYPE;
 import static org.apache.iceberg.CatalogUtil.ICEBERG_CATALOG_TYPE_BIGQUERY;
 import static org.apache.iceberg.gcp.bigquery.BigQueryMetastoreCatalog.PROJECT_ID;
+import static org.assertj.core.api.Assertions.assertThat;
 
 import java.io.File;
 import java.util.List;
@@ -144,10 +145,6 @@ public void createTableTransaction(int formatVersion) {
   @Test
   public void testCreateTableWithDefaultColumnValue() {}
 
-  @Disabled("BigQuery Metastore does not support multi layer namespaces")
-  @Test
-  public void testLoadMetadataTable() {}
-
   @Disabled("BigQuery Metastore does not support rename tables")
   @Test
   public void testRenameTable() {
@@ -171,4 +168,31 @@ public void renameTableNamespaceMissing() {
   public void testRenameTableMissingSourceTable() {
     super.testRenameTableMissingSourceTable();
   }
+
+  @Test
+  public void testIsValidIdentifierWithValidSingleLevelNamespace() {
+    assertThat(catalog.isValidIdentifier(TableIdentifier.of("dataset1", "table1"))).isTrue();
+  }
+
+  @Test
+  public void testIsValidIdentifierWithInvalidMultiLevelNamespace() {
+    assertThat(
+            catalog.isValidIdentifier(
+                TableIdentifier.of(Namespace.of("level1", "level2"), "table1")))
+        .isFalse();
+  }
+
+  @Test
+  public void testIsValidIdentifierWithThreeLevelNamespace() {
+    assertThat(
+            catalog.isValidIdentifier(
+                TableIdentifier.of(Namespace.of("level1", "level2", "level3"), "table1")))
+        .isFalse();
+  }
+
+  @Test
+  public void testIsValidIdentifierWithEmptyNamespace() {
+    assertThat(catalog.isValidIdentifier(TableIdentifier.of(Namespace.empty(), "table1")))
+        .isFalse();
+  }
 }