diff --git a/sage_validation/file_validator/models.py b/sage_validation/file_validator/models.py
index 0bc48ec3eb16cc8dad934cb145068fb76e8935ab..99c2e0f7485ede4bea0112eb3bac3b46630f1676 100644
--- a/sage_validation/file_validator/models.py
+++ b/sage_validation/file_validator/models.py
@@ -2,24 +2,7 @@
 from django.db import models
 
 
-class PlAccountCodes(models.Model):
-    """Represents profit and loss (PL) account codes.
-
-    This model maps the PL account names to their respective codes.
-    """
-
-    objects = None
-    pl_account_name = models.TextField(db_column="PL_Account_Name")
-    pl_account_code = models.CharField(db_column="PL_Account_Code", primary_key=True, max_length=50)
-
-    class Meta:
-        """Metaclass for the PlAccountCodes model."""
-
-        managed = False
-        db_table = "PL_Account_Codes"
-
-
-class Meocostcentres(models.Model):
+class MeoCostCentres(models.Model):
     """Represents cost centres.
 
     This model contains data related to cost centres,
@@ -28,68 +11,68 @@ class Meocostcentres(models.Model):
 
     cc = models.CharField(db_column="CC", max_length=3)
     cc_name = models.CharField(db_column="CC_Name", max_length=50, blank=True, null=True)
-    cctype = models.CharField(db_column="CCType", max_length=8)
+    cc_type = models.CharField(db_column="CCType", max_length=8)
     id = models.IntegerField(db_column="ID", primary_key=True)
 
     class Meta:
-        """Metaclass for the Meocostcentres model."""
+        """Metaclass for the MeoCostCentres model."""
 
         managed = False
         db_table = "meoCostCentres"
 
 
-class Meonominal(models.Model):
+class MeoNominal(models.Model):
     """View for MEO nominal codes."""
 
     nom = models.CharField(db_column="Nom", max_length=5)
-    nomname = models.CharField(db_column="NomName", max_length=60, blank=True, null=True)
-    nomid = models.IntegerField(db_column="NomID")
+    nom_name = models.CharField(db_column="NomName", max_length=60, blank=True, null=True)
+    nom_id = models.IntegerField(db_column="NomID")
 
     class Meta:
-        """Metaclass for the Meonominal model."""
+        """Metaclass for the MeoNominal model."""
 
         managed = False
         db_table = "meoNominal"
 
 
-class Meovalidsageaccounts(models.Model):
+class MeoValidSageAccounts(models.Model):
     """View for MEO valid Sage accounts."""
 
-    accountname = models.CharField(db_column="AccountName", max_length=60)
-    accountnumber = models.CharField(db_column="AccountNumber", max_length=8, blank=True, null=True)
-    accountcostcentre = models.CharField(db_column="AccountCostCentre", max_length=3, blank=True, null=True)
-    accountdepartment = models.CharField(db_column="AccountDepartment", max_length=3, blank=True, null=True)
+    account_name = models.CharField(db_column="AccountName", max_length=60)
+    account_number = models.CharField(db_column="AccountNumber", max_length=8, blank=True, null=True)
+    account_cost_centre = models.CharField(db_column="AccountCostCentre", max_length=3, blank=True, null=True)
+    account_department = models.CharField(db_column="AccountDepartment", max_length=3, blank=True, null=True)
 
     class Meta:
-        """Metaclass for the Meovalidsageaccounts model."""
+        """Metaclass for the MeoValidSageAccounts model."""
 
         managed = False
         db_table = "meoValidSageAccounts"
 
 
-class Meovalidsuppliers(models.Model):
+class MeoValidSuppliers(models.Model):
     """View for MEO valid suppliers."""
 
-    supplieraccountnumber = models.CharField(db_column="SupplierAccountNumber", max_length=8)
-    supplieraccountname = models.CharField(db_column="SupplierAccountName", max_length=60)
+    supplier_account_number = models.CharField(db_column="SupplierAccountNumber", max_length=8, primary_key=True)
+    supplier_account_name = models.CharField(db_column="SupplierAccountName", max_length=60)
 
     class Meta:
-        """Metaclass for the Meovalidsuppliers model."""
+        """Metaclass for the MeoValidSuppliers model."""
 
         managed = False
         db_table = "meoValidSuppliers"
 
 
-class Meovalidvat(models.Model):
+class MeoValidVat(models.Model):
     """View for MEO valid VAT codes."""
 
     tax_code = models.SmallIntegerField(db_column="Tax code")
     tax_code_label = models.CharField(db_column="tax code label", max_length=60)
     rate = models.DecimalField(db_column="Rate", max_digits=18, decimal_places=2)
-    inputnominalaccount = models.CharField(db_column="InputNominalAccount", max_length=8, blank=True, null=True)
+    input_nominal_account = models.CharField(db_column="InputNominalAccount", max_length=8, blank=True, null=True)
 
     class Meta:
-        """Metaclass for the Meovalidvat model."""
+        """Metaclass for the MeoValidVat model."""
 
         managed = False
         db_table = "meoValidVAT"