diff --git a/openff/qcsubmit/results/results.py b/openff/qcsubmit/results/results.py
index cf2afc97..31ea8767 100644
--- a/openff/qcsubmit/results/results.py
+++ b/openff/qcsubmit/results/results.py
@@ -189,7 +189,9 @@ def _validate_record_types(
             )
 
     @abc.abstractmethod
-    def to_records(self) -> List[Tuple[BaseRecord, Molecule]]:
+    def to_records(
+        self, client_kwargs: Optional[dict] = None
+    ) -> List[Tuple[BaseRecord, Molecule]]:
         """Returns the native QCPortal record objects for each of the records referenced
         in this collection along with a corresponding OpenFF molecule object.
         """
@@ -371,7 +373,9 @@ def from_server(
             spec_name,
         )
 
-    def to_records(self) -> List[Tuple[SinglepointRecord, Molecule]]:
+    def to_records(
+        self, client_kwargs: Optional[dict] = None
+    ) -> List[Tuple[SinglepointRecord, Molecule]]:
         """Returns the native QCPortal record objects for each of the records referenced
         in this collection along with a corresponding OpenFF molecule object.
 
@@ -379,9 +383,11 @@ def to_records(self) -> List[Tuple[SinglepointRecord, Molecule]]:
         """
 
         records_and_molecules = []
+        if client_kwargs is None:
+            client_kwargs = dict()
 
         for client_address, records in self.entries.items():
-            client = PortalClient(client_address)
+            client = PortalClient(client_address, **client_kwargs)
 
             # TODO - batching/chunking (maybe in portal?)
             for record in records:
@@ -522,7 +528,9 @@ def from_server(
             spec_name,
         )
 
-    def to_records(self) -> List[Tuple[OptimizationRecord, Molecule]]:
+    def to_records(
+        self, client_kwargs: Optional[dict] = None
+    ) -> List[Tuple[OptimizationRecord, Molecule]]:
         """Returns the native QCPortal record objects for each of the records referenced
         in this collection along with a corresponding OpenFF molecule object.
 
@@ -531,9 +539,11 @@ def to_records(self) -> List[Tuple[OptimizationRecord, Molecule]]:
         """
 
         records_and_molecules = []
+        if client_kwargs is None:
+            client_kwargs = dict()
 
         for client_address, results in self.entries.items():
-            client = PortalClient(client_address)
+            client = PortalClient(client_address, **client_kwargs)
 
             rec_ids = [result.record_id for result in results]
             # Do one big request to save time
@@ -791,7 +801,9 @@ def from_server(
             spec_name,
         )
 
-    def to_records(self) -> List[Tuple[TorsiondriveRecord, Molecule]]:
+    def to_records(
+        self, client_kwargs: Optional[dict] = None
+    ) -> List[Tuple[TorsiondriveRecord, Molecule]]:
         """Returns the native QCPortal record objects for each of the records referenced
         in this collection along with a corresponding OpenFF molecule object.
 
@@ -800,9 +812,11 @@ def to_records(self) -> List[Tuple[TorsiondriveRecord, Molecule]]:
         """
 
         records_and_molecules = []
+        if client_kwargs is None:
+            client_kwargs = dict()
 
         for client_address, records in self.entries.items():
-            client = PortalClient(client_address)
+            client = PortalClient(client_address, **client_kwargs)
 
             # retrieve all torsiondrives at once, including their
             # minimum_optimizations