diff --git a/sfdx-source/apex-extensions/main/default/classes/utils/fflib_ArrayUtils.cls b/sfdx-source/apex-extensions/main/default/classes/utils/fflib_ArrayUtils.cls
index 90b05d7..ea2c8c2 100644
--- a/sfdx-source/apex-extensions/main/default/classes/utils/fflib_ArrayUtils.cls
+++ b/sfdx-source/apex-extensions/main/default/classes/utils/fflib_ArrayUtils.cls
@@ -73,6 +73,26 @@ public class fflib_ArrayUtils
 		return objects.get(0);
 	}
 
+	/**
+	 * Gets all String values for the given Ids
+	 *
+	 * @param stringsByIds the data map to process
+	 * @param idsToRetrieve The keys for which to retrieve their string values
+	 *
+	 * @return Returns all the values for the provided keys
+	 */
+	public static Set<String> getAllValues(Map<Id, String> stringsByIds, Set<Id> idsToRetrieve)
+	{
+		Set<String> result = new Set<String>();
+		for (Id id : idsToRetrieve)
+		{
+			if (stringsByIds.containsKey(id) == false) continue;
+
+			result.add(stringsByIds.get(id));
+		}
+		return result;
+	}
+
 	/**
 	 * Validates if a list is empty
 	 *
@@ -185,6 +205,31 @@ public class fflib_ArrayUtils
 		return lastValue(cloneAndSort(input));
 	}
 
+	/**
+	 * Merge the given two maps, without modifying the source.
+	 *
+	 * @param mapA Map<Id, Set<String>>
+	 * @param mapB Map<Id, Set<String>>
+	 *
+	 * @return Returns the merged map
+	 */
+	public static Map<Id, Set<String>> mergeMaps(Map<Id, Set<String>> mapA, Map<Id, Set<String>> mapB)
+	{
+		Map<Id, Set<String>> result = mapA.clone();
+		for (Id idValue : mapB.keySet())
+		{
+			if (result.containsKey(idValue))
+			{
+				result.get(idValue).addAll(mapB.get(idValue));
+			}
+			else
+			{
+				result.put(idValue, mapB.get(idValue));
+			}
+		}
+		return result;
+	}
+
 	/**
 	 * Sorts the list with Datetime values and return the oldest value in the list
 	 *
diff --git a/sfdx-source/apex-extensions/tests/classes/utils/fflib_ArrayUtilsTest.cls b/sfdx-source/apex-extensions/tests/classes/utils/fflib_ArrayUtilsTest.cls
index c240706..cce7ced 100644
--- a/sfdx-source/apex-extensions/tests/classes/utils/fflib_ArrayUtilsTest.cls
+++ b/sfdx-source/apex-extensions/tests/classes/utils/fflib_ArrayUtilsTest.cls
@@ -238,6 +238,57 @@ private class fflib_ArrayUtilsTest
         System.assertEquals(8, result, 'Did not return the last value in the list of objects');
     }
 
+    @IsTest
+    static void itShouldReturnAllValuesForTheGivenIds()
+    {
+        // GIVEN a map with String by Ids
+        final Id accountIdA = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Id accountIdB = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Id accountIdC = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Map<Id, String> stringsByIds = new Map<Id, String>
+        {
+                accountIdA => 'Account A',
+                accountIdB => 'Account B',
+                accountIdC => 'Account C'
+        };
+
+        // WHEN we retrieve a sub-set of Ids
+        Set<String> result = fflib_ArrayUtils.getAllValues(stringsByIds, new Set<Id> {accountIdA, accountIdB});
+
+        // THEN we get the values of the provide sub-set Ids
+        System.assert(result.containsAll(new Set<String> {'Account A', 'Account B'}));
+    }
+
+    @IsTest
+    static void itShouldReturnMergedMap()
+    {
+        final Id accountIdA = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Id accountIdB = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Id accountIdC = fflib_IDGenerator.generate(Schema.Account.SObjectType);
+        final Set<Id> ids = new Set<Id> {accountIdA, accountIdB, accountIdC};
+
+        final Map<Id, Set<String>> stringsByIdsA = new Map<Id, Set<String>>
+        {
+                accountIdA => new Set<String> {'A1', 'A2'},
+                accountIdB => new Set<String> {'B1'}
+        };
+        final Map<Id, Set<String>> stringsByIdsB = new Map<Id, Set<String>>
+        {
+                accountIdA => new Set<String> {'A3'},
+                accountIdC => new Set<String> {'C1'}
+        };
+
+        Map<Id, Set<String>> result = fflib_ArrayUtils.mergeMaps(stringsByIdsA, stringsByIdsB);
+
+        System.assert(result.keySet().containsAll(ids));
+        System.assert(result.get(accountIdA).containsAll(new Set<String>{'A1', 'A2', 'A3'}));
+        System.assert(result.get(accountIdA).size() == 3);
+        System.assert(result.get(accountIdB).contains('B1'));
+        System.assert(result.get(accountIdB).size() == 1);
+        System.assert(result.get(accountIdC).contains('C1'));
+        System.assert(result.get(accountIdC).size() == 1);
+    }
+
     private static List<Datetime> generateDateTimes()
     {
         return new List<Datetime>