diff --git a/lemarche/siaes/management/commands/import_sep.py b/lemarche/siaes/management/commands/import_sep.py
index 44a03d29a..b059f21ad 100644
--- a/lemarche/siaes/management/commands/import_sep.py
+++ b/lemarche/siaes/management/commands/import_sep.py
@@ -7,10 +7,10 @@
 from lemarche.sectors.models import Sector
 from lemarche.siaes import constants as siae_constants
 from lemarche.siaes.models import Siae
-from lemarche.siaes.validators import validate_siret
 from lemarche.utils.apis.geocoding import get_geocoding_data
 from lemarche.utils.constants import DEPARTMENT_TO_REGION, department_from_postcode
 from lemarche.utils.data import rename_dict_key, reset_app_sql_sequences
+from lemarche.utils.validators import validate_siret
 
 
 SEP_FILE_NAME = "sep.csv"
diff --git a/lemarche/siaes/migrations/0001_initial.py b/lemarche/siaes/migrations/0001_initial.py
index 05ff92301..5c68791d8 100644
--- a/lemarche/siaes/migrations/0001_initial.py
+++ b/lemarche/siaes/migrations/0001_initial.py
@@ -3,7 +3,7 @@
 import django.utils.timezone
 from django.db import migrations, models
 
-import lemarche.siaes.validators
+import lemarche.utils.validators
 
 
 class Migration(migrations.Migration):
@@ -50,7 +50,7 @@ class Migration(migrations.Migration):
                             models.CharField(
                                 db_index=True,
                                 max_length=14,
-                                validators=[lemarche.siaes.validators.validate_siret],
+                                validators=[lemarche.utils.validators.validate_siret],
                                 verbose_name="Siret",
                             ),
                         ),
@@ -59,7 +59,7 @@ class Migration(migrations.Migration):
                             models.CharField(
                                 blank=True,
                                 max_length=5,
-                                validators=[lemarche.siaes.validators.validate_naf],
+                                validators=[lemarche.utils.validators.validate_naf],
                                 verbose_name="Naf",
                             ),
                         ),
diff --git a/lemarche/siaes/migrations/0003_siae_add_missing_fields_update_others.py b/lemarche/siaes/migrations/0003_siae_add_missing_fields_update_others.py
index 96695523a..d004645ca 100644
--- a/lemarche/siaes/migrations/0003_siae_add_missing_fields_update_others.py
+++ b/lemarche/siaes/migrations/0003_siae_add_missing_fields_update_others.py
@@ -3,7 +3,7 @@
 import django.contrib.postgres.fields
 from django.db import migrations, models
 
-import lemarche.siaes.validators
+import lemarche.utils.validators
 
 
 class Migration(migrations.Migration):
@@ -180,7 +180,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 max_length=5,
                 null=True,
-                validators=[lemarche.siaes.validators.validate_naf],
+                validators=[lemarche.utils.validators.validate_naf],
                 verbose_name="Naf",
             ),
         ),
@@ -340,7 +340,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 max_length=5,
                 null=True,
-                validators=[lemarche.siaes.validators.validate_post_code],
+                validators=[lemarche.utils.validators.validate_post_code],
                 verbose_name="Code Postal",
             ),
         ),
diff --git a/lemarche/siaes/migrations/0032_avoid_null_on_charfields.py b/lemarche/siaes/migrations/0032_avoid_null_on_charfields.py
index bfa831bf0..cb0767d69 100644
--- a/lemarche/siaes/migrations/0032_avoid_null_on_charfields.py
+++ b/lemarche/siaes/migrations/0032_avoid_null_on_charfields.py
@@ -2,7 +2,7 @@
 
 from django.db import migrations, models
 
-import lemarche.siaes.validators
+import lemarche.utils.validators
 
 
 class Migration(migrations.Migration):
@@ -241,7 +241,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 default="",
                 max_length=5,
-                validators=[lemarche.siaes.validators.validate_naf],
+                validators=[lemarche.utils.validators.validate_naf],
                 verbose_name="Naf",
             ),
             preserve_default=False,
@@ -274,7 +274,7 @@ class Migration(migrations.Migration):
                 blank=True,
                 default="",
                 max_length=5,
-                validators=[lemarche.siaes.validators.validate_post_code],
+                validators=[lemarche.utils.validators.validate_post_code],
                 verbose_name="Code Postal",
             ),
             preserve_default=False,
diff --git a/lemarche/siaes/models.py b/lemarche/siaes/models.py
index 91d2f35b6..9102f7cf9 100644
--- a/lemarche/siaes/models.py
+++ b/lemarche/siaes/models.py
@@ -20,13 +20,13 @@
 from lemarche.perimeters.models import Perimeter
 from lemarche.siaes import constants as siae_constants
 from lemarche.siaes.tasks import set_siae_coords
-from lemarche.siaes.validators import validate_naf, validate_post_code, validate_siret
 from lemarche.stats.models import Tracker
 from lemarche.users.models import User
 from lemarche.utils.constants import DEPARTMENTS_PRETTY, RECALCULATED_FIELD_HELP_TEXT, REGIONS_PRETTY
 from lemarche.utils.data import round_by_base
 from lemarche.utils.fields import ChoiceArrayField
 from lemarche.utils.urls import get_object_admin_url
+from lemarche.utils.validators import validate_naf, validate_post_code, validate_siret
 
 
 def get_region_filter(perimeter):
diff --git a/lemarche/utils/tests_validators.py b/lemarche/utils/tests_validators.py
new file mode 100644
index 000000000..574f42dab
--- /dev/null
+++ b/lemarche/utils/tests_validators.py
@@ -0,0 +1,42 @@
+from django.core.exceptions import ValidationError
+from django.test import TestCase
+
+from lemarche.utils.validators import validate_naf, validate_post_code, validate_siren, validate_siret
+
+
+class ValidatorsTest(TestCase):
+    def test_post_code_validator(self):
+        validator = validate_post_code
+        POST_CODE_OK = ["00000", "12345", "38000"]
+        for item in POST_CODE_OK:
+            validator(item)
+        POST_CODE_NOT_OK = ["0", "1234"]
+        for item in POST_CODE_NOT_OK:
+            self.assertRaises(ValidationError, validator, item)
+
+    def test_siren_validator(self):
+        validator = validate_siren
+        SIREN_OK = ["123123123"]
+        for item in SIREN_OK:
+            validator(item)
+        SIREN_NOT_OK = ["123"]
+        for item in SIREN_NOT_OK:
+            self.assertRaises(ValidationError, validator, item)
+
+    def test_siret_validator(self):
+        validator = validate_siret
+        SIRET_OK = ["12312312312345"]
+        for item in SIRET_OK:
+            validator(item)
+        SIRET_NOT_OK = ["123123123"]
+        for item in SIRET_NOT_OK:
+            self.assertRaises(ValidationError, validator, item)
+
+    def test_naf_validator(self):
+        validator = validate_naf
+        NAF_OK = ["1234A"]
+        for item in NAF_OK:
+            validator(item)
+        NAF_NOT_OK = ["1234", "12345", "ABCDE"]
+        for item in NAF_NOT_OK:
+            self.assertRaises(ValidationError, validator, item)
diff --git a/lemarche/siaes/validators.py b/lemarche/utils/validators.py
similarity index 100%
rename from lemarche/siaes/validators.py
rename to lemarche/utils/validators.py