diff --git a/app/Factory/BillingSubscriptionFactory.php b/app/Factory/BillingSubscriptionFactory.php
new file mode 100644
index 000000000000..38708bd6ed79
--- /dev/null
+++ b/app/Factory/BillingSubscriptionFactory.php
@@ -0,0 +1,17 @@
+<?php
+
+
+namespace App\Factory;
+
+
+use App\Models\BillingSubscription;
+
+class BillingSubscriptionFactory
+{
+    public static function create(int $company_id, int $user_id): BillingSubscription
+    {
+        $billing_subscription = new BillingSubscription();
+
+        return $billing_subscription;
+    }
+}
diff --git a/app/Repositories/BillingSubscriptionRepository.php b/app/Repositories/BillingSubscriptionRepository.php
new file mode 100644
index 000000000000..68be2473468d
--- /dev/null
+++ b/app/Repositories/BillingSubscriptionRepository.php
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Repositories;
+
+
+use App\Models\BillingSubscription;
+
+class BillingSubscriptionRepository extends BaseRepository
+{
+    public function save($data, BillingSubscription $billing_subscription): ?BillingSubscription
+    {
+        $billing_subscription
+            ->fill($data)
+            ->save();
+
+        return $billing_subscription;
+    }
+}
diff --git a/app/Transformers/BillingSubscriptionTransformer.php b/app/Transformers/BillingSubscriptionTransformer.php
new file mode 100644
index 000000000000..4969f4dfa018
--- /dev/null
+++ b/app/Transformers/BillingSubscriptionTransformer.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Transformers;
+
+
+use App\Models\BillingSubscription;
+use App\Utils\Traits\MakesHash;
+
+class BillingSubscriptionTransformer extends EntityTransformer
+{
+    use MakesHash;
+
+    /**
+     * @var array
+     */
+    protected $defaultIncludes = [];
+
+    /**
+     * @var array
+     */
+    protected $availableIncludes = [
+        'products',
+    ];
+
+    public function transform(BillingSubscription $billing_subscription): array
+    {
+        return [
+            'id' => $this->encodePrimaryKey($billing_subscription->id),
+            'user_id' => $this->encodePrimaryKey($billing_subscription->user_id),
+            'product_id' => $this->encodePrimaryKey($billing_subscription->product_id),
+            'assigned_user_id' => $this->encodePrimaryKey($billing_subscription->assigned_user_id),
+            'company_id' => $this->encodePrimaryKey($billing_subscription->company_id),
+            'is_recurring' => (bool)$billing_subscription->is_recurring,
+            'frequency_id' => (string)$billing_subscription->frequency_id,
+            'auto_bill' => (string)$billing_subscription->auto_bill,
+            'promo_code' => (string)$billing_subscription->promo_code,
+            'promo_discount' => (string)$billing_subscription->promo_discount,
+            'is_amount_discount' => (bool)$billing_subscription->is_amount_discount,
+            'allow_cancellation' => (bool)$billing_subscription->allow_cancellation,
+            'per_set_enabled' => (bool)$billing_subscription->per_set_enabled,
+            'min_seats_limit' => (int)$billing_subscription->min_seats_limit,
+            'max_seats_limit' => (int)$billing_subscription->max_seats_limit,
+            'trial_enabled' => (bool)$billing_subscription->trial_enabled,
+            'trial_duration' => (string)$billing_subscription->trial_duration,
+            'allow_query_overrides' => (bool)$billing_subscription->allow_query_overrides,
+            'allow_plan_changes' => (bool)$billing_subscription->allow_plan_changes,
+            'plan_map' => (string)$billing_subscription->plan_map,
+            'refund_period' => (string)$billing_subscription->refund_period,
+            'webhook_configuration' => (string)$billing_subscription->webhook_configuration,
+            'is_deleted' => (bool)$billing_subscription->is_deleted,
+        ];
+    }
+
+    public function includeProducts(BillingSubscription $billing_subscription): \League\Fractal\Resource\Item
+    {
+        $transformer = new ProductTransformer($this->serializer);
+
+        return $this->includeItem($billing_subscription->product, $transformer, Product::class);
+    }
+}