diff --git a/tests/conftest.py b/tests/conftest.py
index cd5052ea..e76e8c00 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -362,10 +362,20 @@ def tower_tasks_response():
 
 @pytest.fixture
 def tower_workflow_response() -> TowerWorkflowResponse:
-    worfklow = TowerWorkflow(status="RUNNING")
+    workflow = TowerWorkflow(status="RUNNING")
     progress = TowerProgress(workflowProgress={}, processesProgress=[])
     return TowerWorkflowResponse(
-        workflow=worfklow,
+        workflow=workflow,
+        progress=progress,
+    )
+
+
+@pytest.fixture
+def tower_response_submitted() -> TowerWorkflowResponse:
+    workflow = TowerWorkflow(status="SUBMITTED")
+    progress = TowerProgress(workflowProgress={}, processesProgress=[])
+    return TowerWorkflowResponse(
+        workflow=workflow,
         progress=progress,
     )
 
diff --git a/tests/services/conftest.py b/tests/services/conftest.py
index b9dae5f5..046da301 100644
--- a/tests/services/conftest.py
+++ b/tests/services/conftest.py
@@ -1,9 +1,9 @@
 from datetime import datetime, timedelta
 from unittest.mock import MagicMock, Mock
+
 import pytest
 from sqlalchemy.orm import Session
 
-
 from trailblazer.clients.tower.tower_client import TowerAPIClient
 from trailblazer.constants import (
     PRIORITY_OPTIONS,
diff --git a/tests/services/test_job_service.py b/tests/services/test_job_service.py
index 9a644168..6d9adba2 100644
--- a/tests/services/test_job_service.py
+++ b/tests/services/test_job_service.py
@@ -1,4 +1,8 @@
-from trailblazer.constants import TrailblazerStatus
+import pytest
+
+from trailblazer.clients.tower.models import TowerWorkflowResponse
+from trailblazer.constants import TrailblazerStatus, WorkflowManager
+from trailblazer.exceptions import NoJobsError
 from trailblazer.services.job_service import JobService
 from trailblazer.store.models import Analysis
 
@@ -57,3 +61,37 @@ def test_analysis_status_when_running_jobs(
 
     # THEN the status is running
     assert status == TrailblazerStatus.RUNNING
+
+
+def test_fetch_pending_status_for_tower_without_jobs(
+    job_service: JobService,
+    tower_response_submitted: TowerWorkflowResponse,
+):
+    """
+    Verify that a Tower-managed analysis with no associated jobs returns a PENDING status
+    when Tower reports the workflow as submitted.
+    """
+    # GIVEN a Tower analysis with workflow manager nf_tower and without jobs
+    analysis: Analysis = job_service.store.get_query(Analysis).first()
+    analysis.workflow_manager = WorkflowManager.TOWER
+    assert not analysis.jobs
+
+    # GIVEN a simulated response from tower with the return status being submitted
+    job_service.tower_service.client.get_workflow.return_value = tower_response_submitted
+
+    # WHEN fetching the analysis status
+    status: TrailblazerStatus = job_service.get_analysis_status(analysis.id)
+
+    # THEN the analysis status should be PENDING
+    assert status == TrailblazerStatus.PENDING
+
+
+def test_no_jobs_error_for_slurm_analysis(job_service: JobService, analysis_without_jobs: Analysis):
+    """
+    Ensure that a NoJobsError is raised for a SLURM analysis with no associated jobs.
+    """
+    # GIVEN an analysis without any associated jobs
+    # WHEN fetching the analysis status
+    # THEN a NoJobsError should be raised
+    with pytest.raises(NoJobsError):
+        job_service.get_analysis_status(analysis_without_jobs.id)
diff --git a/trailblazer/constants.py b/trailblazer/constants.py
index 6d9ed3af..086aeb0c 100644
--- a/trailblazer/constants.py
+++ b/trailblazer/constants.py
@@ -138,17 +138,32 @@ class TrailblazerStatusColor(StrEnum):
     RUNNING: str = "blue"
 
 
-TOWER_WORKFLOW_STATUS: dict[str, str] = {
-    "ABORTED": TrailblazerStatus.FAILED,
-    "CACHED": TrailblazerStatus.COMPLETED,
-    "CANCELLED": TrailblazerStatus.CANCELLED,
-    "COMPLETED": TrailblazerStatus.COMPLETED,
-    "FAILED": TrailblazerStatus.FAILED,
-    "NEW": TrailblazerStatus.PENDING,
-    "RUNNING": TrailblazerStatus.RUNNING,
-    "SUBMITTED": TrailblazerStatus.PENDING,
-    "SUCCEEDED": TrailblazerStatus.COMPLETED,
-    "UNKNOWN": TrailblazerStatus.FAILED,
+class TowerStatus(StrEnum):
+    """Tower statuses."""
+
+    ABORTED: str = "ABORTED"
+    CACHED: str = "CACHED"
+    CANCELLED: str = "CANCELLED"
+    COMPLETED: str = "COMPLETED"
+    FAILED: str = "FAILED"
+    NEW: str = "NEW"
+    RUNNING: str = "RUNNING"
+    SUBMITTED: str = "SUBMITTED"
+    SUCCEEDED: str = "SUCCEEDED"
+    UNKNOWN: str = "UNKNOWN"
+
+
+TOWER_WORKFLOW_STATUS: dict[str, TrailblazerStatus] = {
+    TowerStatus.ABORTED: TrailblazerStatus.FAILED,
+    TowerStatus.CACHED: TrailblazerStatus.COMPLETED,
+    TowerStatus.CANCELLED: TrailblazerStatus.CANCELLED,
+    TowerStatus.COMPLETED: TrailblazerStatus.COMPLETED,
+    TowerStatus.FAILED: TrailblazerStatus.FAILED,
+    TowerStatus.NEW: TrailblazerStatus.PENDING,
+    TowerStatus.RUNNING: TrailblazerStatus.RUNNING,
+    TowerStatus.SUBMITTED: TrailblazerStatus.PENDING,
+    TowerStatus.SUCCEEDED: TrailblazerStatus.COMPLETED,
+    TowerStatus.UNKNOWN: TrailblazerStatus.FAILED,
 }
 
 
diff --git a/trailblazer/dto/create_analysis_request.py b/trailblazer/dto/create_analysis_request.py
index c6cc53c5..1abe7c5c 100644
--- a/trailblazer/dto/create_analysis_request.py
+++ b/trailblazer/dto/create_analysis_request.py
@@ -5,14 +5,14 @@
 
 class CreateAnalysisRequest(BaseModel):
     case_id: str
-    email: str | None = None
     config_path: str
-    out_dir: str
+    email: str | None = None
+    is_hidden: bool | None = None
     order_id: int | None = None
+    out_dir: str
     priority: TrailblazerPriority
-    workflow: str | None = None
     ticket: str | None = None
+    tower_workflow_id: str | None = None
     type: TrailblazerTypes
+    workflow: str | None = None
     workflow_manager: WorkflowManager | None = None
-    tower_workflow_id: str | None = None
-    is_hidden: bool | None = None
diff --git a/trailblazer/services/job_service/job_service.py b/trailblazer/services/job_service/job_service.py
index ac95b76c..6c2f41e1 100644
--- a/trailblazer/services/job_service/job_service.py
+++ b/trailblazer/services/job_service/job_service.py
@@ -61,12 +61,12 @@ def get_analysis_status(self, analysis_id: int) -> TrailblazerStatus:
         if analysis.status == TrailblazerStatus.CANCELLED:
             return TrailblazerStatus.CANCELLED
 
-        if not analysis.jobs:
-            raise NoJobsError(f"No jobs found for analysis {analysis_id}")
-
         if analysis.workflow_manager == WorkflowManager.TOWER:
             return self.tower_service.get_status(analysis_id)
 
+        if not analysis.jobs:
+            raise NoJobsError(f"No jobs found for analysis {analysis_id}")
+
         return get_status(analysis.jobs)
 
     def get_analysis_progression(self, analysis_id: int) -> float:
diff --git a/trailblazer/services/tower/tower_api_service.py b/trailblazer/services/tower/tower_api_service.py
index 80258070..5210e2d2 100644
--- a/trailblazer/services/tower/tower_api_service.py
+++ b/trailblazer/services/tower/tower_api_service.py
@@ -31,7 +31,9 @@ def cancel_jobs(self, analysis_id: int) -> None:
     def get_status(self, analysis_id: int) -> TrailblazerStatus:
         analysis: Analysis = self.store.get_analysis_with_id(analysis_id)
         response = self.client.get_workflow(analysis.tower_workflow_id)
-        status = TOWER_WORKFLOW_STATUS.get(response.workflow.status, TrailblazerStatus.ERROR)
+        status: TrailblazerStatus = TOWER_WORKFLOW_STATUS.get(
+            response.workflow.status, TrailblazerStatus.ERROR
+        )
         if status == TrailblazerStatus.COMPLETED:
             return TrailblazerStatus.QC
         return status