diff --git a/x-pack/plugins/transform/public/app/common/pivot_aggs.ts b/x-pack/plugins/transform/public/app/common/pivot_aggs.ts
index 56ca02d918c98..54dfd9ecda7b1 100644
--- a/x-pack/plugins/transform/public/app/common/pivot_aggs.ts
+++ b/x-pack/plugins/transform/public/app/common/pivot_aggs.ts
@@ -82,7 +82,7 @@ export type PivotAggDict = {
 /**
  * The maximum level of sub-aggregations
  */
-export const MAX_NESTING_SUB_AGGS = 2;
+export const MAX_NESTING_SUB_AGGS = 10;
 
 // The internal representation of an aggregation definition.
 export interface PivotAggsConfigBase {
diff --git a/x-pack/plugins/transform/public/app/sections/create_transform/components/aggregation_list/sub_aggs_section.tsx b/x-pack/plugins/transform/public/app/sections/create_transform/components/aggregation_list/sub_aggs_section.tsx
index f835e640abf31..82b885bf4f775 100644
--- a/x-pack/plugins/transform/public/app/sections/create_transform/components/aggregation_list/sub_aggs_section.tsx
+++ b/x-pack/plugins/transform/public/app/sections/create_transform/components/aggregation_list/sub_aggs_section.tsx
@@ -43,7 +43,7 @@ export const SubAggsSection: FC<{ item: PivotAggsConfig }> = ({ item }) => {
   );
 
   const isNewSubAggAllowed: boolean = useMemo(() => {
-    let nestingLevel = 0;
+    let nestingLevel = 1;
     let parentItem = item.parentAgg;
     while (parentItem !== undefined) {
       nestingLevel++;