diff --git a/src/context/ContextType.ts b/src/context/ContextType.ts
index 27975f2e9..1069ba68a 100644
--- a/src/context/ContextType.ts
+++ b/src/context/ContextType.ts
@@ -30,7 +30,17 @@ export type StandardContextType =
   | 'fdc3.transactionResult'
   | 'fdc3.valuation';
 
+/**
+ * @see https://fdc3.finos.org/docs/context/spec#standard-context-types
+ */
+export type ExperimentalContextType =
+  | 'fdc3.order'
+  | 'fdc3.orderList'
+  | 'fdc3.product'
+  | 'fdc3.trade'
+  | 'fdc3.tradeList';
+
 /**
  * @see https://fdc3.finos.org/docs/context/spec
  */
-export type ContextType = StandardContextType | string;
+export type ContextType = StandardContextType | ExperimentalContextType | (string & {});