diff --git a/src/shared/components/ncTable/mixins/columnsTypes/relation.js b/src/shared/components/ncTable/mixins/columnsTypes/relation.js
index d63e4d9515..be5cfa7bf9 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/relation.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/relation.js
@@ -79,11 +79,11 @@ export default class RelationColumn extends AbstractColumn {
 	 * @return {boolean} Whether the filter matches
 	 */
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
-		const cellLabel = this.getLabel(cell.value)
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const cellLabel = this.getLabel(cell.value)?.toLowerCase()
 		const filterMethod = {
-			[FilterIds.Contains]() { return cellLabel?.toLowerCase().includes(filterValue?.toLowerCase()) },
-			[FilterIds.DoesNotContain]() { return !cellLabel?.toLowerCase().includes(filterValue?.toLowerCase()) },
+			[FilterIds.Contains]() { return cellLabel?.includes(filterValue) },
+			[FilterIds.DoesNotContain]() { return !cellLabel?.includes(filterValue) },
 			[FilterIds.IsEqual]() { return cellLabel === filterValue },
 			[FilterIds.IsNotEqual]() { return cellLabel !== filterValue },
 			[FilterIds.IsEmpty]() { return !cellLabel },
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/selection.js b/src/shared/components/ncTable/mixins/columnsTypes/selection.js
index 31d3f9a31a..881d440af0 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/selection.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/selection.js
@@ -51,12 +51,12 @@ export default class SelectionColumn extends AbstractSelectionColumn {
 	}
 
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
-		const cellLabel = this.getLabel(cell.value)
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const cellLabel = this.getLabel(cell.value)?.toLowerCase()
 		const filterMethod = {
 			[FilterIds.ContainsItem]() { return filterValue.map(option => option.id).includes(cell.value) },
-			[FilterIds.Contains]() { return cellLabel?.toLowerCase().includes(filterValue?.toLowerCase()) },
-			[FilterIds.DoesNotContain]() { return !cellLabel?.toLowerCase().includes(filterValue?.toLowerCase()) },
+			[FilterIds.Contains]() { return cellLabel.includes(filterValue) },
+			[FilterIds.DoesNotContain]() { return !cellLabel?.includes(filterValue) },
 			[FilterIds.BeginsWith]() { return cellLabel?.startsWith(filterValue) },
 			[FilterIds.EndsWith]() { return cellLabel?.endsWith(filterValue) },
 			[FilterIds.IsEqual]() { return cellLabel === filterValue },
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/selectionMulti.js b/src/shared/components/ncTable/mixins/columnsTypes/selectionMulti.js
index 89e9fd4f02..7d793d7e98 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/selectionMulti.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/selectionMulti.js
@@ -67,8 +67,8 @@ export default class SelectionMutliColumn extends AbstractSelectionColumn {
 	}
 
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
-		const valueString = this.getValueString(cell)
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const valueString = this.getValueString(cell)?.toLowerCase()
 
 		const filterMethod = {
 			[FilterIds.ContainsItem]() {
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/textLink.js b/src/shared/components/ncTable/mixins/columnsTypes/textLink.js
index e0328f68f5..a5d0cb81c7 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/textLink.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/textLink.js
@@ -52,7 +52,7 @@ export default class TextLinkColumn extends AbstractTextColumn {
 	}
 
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
 		const value = this.getValueFromCellValue(cell.value)
 
 		const filterMethod = {
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/textLong.js b/src/shared/components/ncTable/mixins/columnsTypes/textLong.js
index a6b35728b3..3d0c78e721 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/textLong.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/textLong.js
@@ -22,11 +22,12 @@ export default class TextLongColumn extends AbstractTextColumn {
 	}
 
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const cellValue = cell.value.toLowerCase()
 
 		const filterMethod = {
-			[FilterIds.Contains]() { return cell.value.includes(filterValue) },
-			[FilterIds.DoesNotContain]() { return !cell.value.includes(filterValue) },
+			[FilterIds.Contains]() { return cellValue && cellValue.includes(filterValue) },
+			[FilterIds.DoesNotContain]() { return cellValue && !cellValue.includes(filterValue) },
 			[FilterIds.IsEmpty]() { return !cell.value },
 		}[filter.operator.id]
 		return super.isFilterFound(filterMethod, cell)
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/textRich.js b/src/shared/components/ncTable/mixins/columnsTypes/textRich.js
index 4bb039c36b..11daac3d1e 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/textRich.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/textRich.js
@@ -18,11 +18,12 @@ export default class TextRichColumn extends AbstractTextColumn {
 	}
 
 	isFilterFound(cell, filter) {
-		const filterValue = filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const cellValue = cell.value?.toLowerCase()
 
 		const filterMethod = {
-			[FilterIds.Contains]() { return cell.value && cell.value.includes(filterValue) },
-			[FilterIds.DoesNotContain]() { return cell.value && !cell.value.includes(filterValue) },
+			[FilterIds.Contains]() { return cellValue && cellValue.includes(filterValue) },
+			[FilterIds.DoesNotContain]() { return cellValue && !cellValue.includes(filterValue) },
 			[FilterIds.IsEmpty]() { return !cell.value },
 		}[filter.operator.id]
 		return super.isFilterFound(filterMethod, cell)
diff --git a/src/shared/components/ncTable/mixins/columnsTypes/usergroup.js b/src/shared/components/ncTable/mixins/columnsTypes/usergroup.js
index 3cd565dc84..e6ea439a21 100644
--- a/src/shared/components/ncTable/mixins/columnsTypes/usergroup.js
+++ b/src/shared/components/ncTable/mixins/columnsTypes/usergroup.js
@@ -4,6 +4,7 @@
  */
 import { AbstractUsergroupColumn } from '../columnClass.js'
 import { ColumnTypes } from '../columnHandler.js'
+import { FilterIds } from '../filter.js'
 
 export default class UsergroupColumn extends AbstractUsergroupColumn {
 
@@ -44,4 +45,18 @@ export default class UsergroupColumn extends AbstractUsergroupColumn {
 		return super.isSearchStringFound(this.getValueString(cell), cell, searchString)
 	}
 
+	isFilterFound(cell, filter) {
+		const filterValue = (filter.magicValuesEnriched ? filter.magicValuesEnriched : filter.value).toLowerCase()
+		const valueString = this.getValueString(cell).toLowerCase()
+
+		const filterMethod = {
+			[FilterIds.Contains]() { return valueString?.includes(filterValue) },
+			[FilterIds.DoesNotContain]() { return !valueString?.includes(filterValue) },
+			[FilterIds.IsEqual]() { return valueString === filterValue },
+			[FilterIds.IsNotEqual]() { return valueString !== filterValue },
+			[FilterIds.IsEmpty]() { return !valueString },
+		}[filter.operator.id]
+		return super.isFilterFound(filterMethod, cell)
+	}
+
 }
diff --git a/src/shared/components/ncTable/partials/TableHeaderColumnOptions.vue b/src/shared/components/ncTable/partials/TableHeaderColumnOptions.vue
index 63dc809447..31e9ee1d0a 100644
--- a/src/shared/components/ncTable/partials/TableHeaderColumnOptions.vue
+++ b/src/shared/components/ncTable/partials/TableHeaderColumnOptions.vue
@@ -367,8 +367,8 @@ export default {
 				const columnFilters = this.getFilterForColumn(this.column)
 				if (columnFilters && columnFilters
 					.filter(fil => fil.operator.id === this.selectedOperator.id)
-					.map(fil => fil.value)
-					.includes(this.searchValue)) {
+					.map(fil => fil.value.toLowerCase())
+					.includes(this.searchValue.toLowerCase())) {
 					this.reset()
 					return
 				}