diff --git a/src/lib/services/documents.service.ts b/src/lib/services/documents.service.ts
index d0b9d821..09909a7b 100644
--- a/src/lib/services/documents.service.ts
+++ b/src/lib/services/documents.service.ts
@@ -184,6 +184,10 @@ export async function listDocuments(
     } else {
       filters.push(eq(documents.folderId, query.folderId));
     }
+    // When viewing a specific folder, hide completed workflows — they surface
+    // via their resulting signed-PDF file row in the Files section, not the
+    // Signing section.
+    filters.push(ne(documents.status, 'completed'));
   }
   if (sentSince) filters.push(gte(documents.createdAt, new Date(sentSince)));
   if (sentUntil) filters.push(lte(documents.createdAt, new Date(sentUntil)));
diff --git a/tests/integration/documents-list-folder-filter.test.ts b/tests/integration/documents-list-folder-filter.test.ts
index f764631b..d9189d29 100644
--- a/tests/integration/documents-list-folder-filter.test.ts
+++ b/tests/integration/documents-list-folder-filter.test.ts
@@ -126,4 +126,38 @@ describe('documents.listDocuments folder filtering', () => {
     const titles = (res.data as Array<{ title: string }>).map((d) => d.title);
     expect(titles).toEqual(['At Root']);
   });
+
+  it('hides completed workflows when folderId is set', async () => {
+    const folder = await createFolder(portId, testUserId, { name: 'ClientFolder', parentId: null });
+    await db.insert(documents).values([
+      {
+        portId,
+        documentType: 'eoi',
+        title: 'In flight',
+        createdBy: testUserId,
+        folderId: folder.id,
+        status: 'sent',
+      },
+      {
+        portId,
+        documentType: 'eoi',
+        title: 'Completed workflow',
+        createdBy: testUserId,
+        folderId: folder.id,
+        status: 'completed',
+      },
+    ]);
+
+    const res = await listDocuments(portId, {
+      page: 1,
+      limit: 50,
+      order: 'desc',
+      includeArchived: false,
+      includeDescendants: false,
+      folderId: folder.id,
+    });
+    const titles = (res.data as Array<{ title: string }>).map((d) => d.title);
+    expect(titles).toContain('In flight');
+    expect(titles).not.toContain('Completed workflow');
+  });
 });