diff --git a/app/Models/AssetCategory.php b/app/Models/AssetCategory.php
index 0901c0e..47f3d32 100644
--- a/app/Models/AssetCategory.php
+++ b/app/Models/AssetCategory.php
@@ -16,4 +16,9 @@ class AssetCategory extends Model
         'description',
         'parent_id',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class);
+    }
 }
diff --git a/app/Models/AssetClass.php b/app/Models/AssetClass.php
index 405d097..63f86d3 100644
--- a/app/Models/AssetClass.php
+++ b/app/Models/AssetClass.php
@@ -15,4 +15,9 @@ class AssetClass extends Model
         'code',
         'description',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class, 'asset_class_id');
+    }
 }
diff --git a/app/Models/AssetLocation.php b/app/Models/AssetLocation.php
index feb8b4f..247c679 100644
--- a/app/Models/AssetLocation.php
+++ b/app/Models/AssetLocation.php
@@ -16,4 +16,9 @@ class AssetLocation extends Model
         'description',
         'parent_id',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class, 'asset_location_id');
+    }
 }
diff --git a/app/Models/AssetStatus.php b/app/Models/AssetStatus.php
index 7cc732e..170227d 100644
--- a/app/Models/AssetStatus.php
+++ b/app/Models/AssetStatus.php
@@ -1,5 +1,4 @@
 <?php
-
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
@@ -15,4 +14,9 @@ class AssetStatus extends Model
         'code',
         'description',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class, 'asset_status_id');
+    }
 }
diff --git a/app/Models/AssetUser.php b/app/Models/AssetUser.php
index 8fa93f3..6f619a0 100644
--- a/app/Models/AssetUser.php
+++ b/app/Models/AssetUser.php
@@ -22,4 +22,9 @@ class AssetUser extends Model
     {
         return $this->belongsTo(Department::class);
     }
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class, 'asset_user_id');
+    }
 }
diff --git a/app/Models/Department.php b/app/Models/Department.php
index 4e85b04..5a385e8 100644
--- a/app/Models/Department.php
+++ b/app/Models/Department.php
@@ -15,4 +15,9 @@ class Department extends Model
         'code',
         'description',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class);
+    }
 }
diff --git a/app/Models/PersonInCharge.php b/app/Models/PersonInCharge.php
index 16df19f..b69df2c 100644
--- a/app/Models/PersonInCharge.php
+++ b/app/Models/PersonInCharge.php
@@ -18,4 +18,9 @@ class PersonInCharge extends Model
         'phone',
         'notes',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class, 'person_in_charge_id');
+    }
 }
diff --git a/app/Models/Unit.php b/app/Models/Unit.php
index ff99fec..3f11aae 100644
--- a/app/Models/Unit.php
+++ b/app/Models/Unit.php
@@ -15,4 +15,9 @@ class Unit extends Model
         'symbol',
         'description',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class);
+    }
 }
diff --git a/app/Models/Warranty.php b/app/Models/Warranty.php
index e6a612e..37fa641 100644
--- a/app/Models/Warranty.php
+++ b/app/Models/Warranty.php
@@ -15,4 +15,9 @@ class Warranty extends Model
         'duration_months',
         'notes',
     ];
+
+    public function assets()
+    {
+        return $this->hasMany(Asset::class);
+    }
 }