diff --git a/src/servala/core/migrations/0010_service_instance.py b/src/servala/core/migrations/0010_service_instance.py
new file mode 100644
index 0000000..9989650
--- /dev/null
+++ b/src/servala/core/migrations/0010_service_instance.py
@@ -0,0 +1,117 @@
+# Generated by Django 5.2b1 on 2025-03-28 10:29
+
+import django.core.validators
+import django.db.models.deletion
+import rules.contrib.models
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0009_organization_namespace"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="organization",
+            name="namespace",
+            field=models.CharField(
+                help_text="This namespace will be used for all Kubernetes resources. Cannot be changed after creation.",
+                max_length=63,
+                unique=True,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        code="invalid_kubernetes_name",
+                        message='Name must consist of lowercase alphanumeric characters or "-", must start and end with an alphanumeric character.',
+                        regex="^[a-z0-9]([-a-z0-9]*[a-z0-9])?$",
+                    )
+                ],
+                verbose_name="Kubernetes Namespace",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="servicecategory",
+            name="name",
+            field=models.CharField(
+                max_length=100,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        code="invalid_kubernetes_name",
+                        message='Name must consist of lowercase alphanumeric characters or "-", must start and end with an alphanumeric character.',
+                        regex="^[a-z0-9]([-a-z0-9]*[a-z0-9])?$",
+                    )
+                ],
+                verbose_name="Name",
+            ),
+        ),
+        migrations.CreateModel(
+            name="ServiceInstance",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "created_at",
+                    models.DateTimeField(auto_now_add=True, verbose_name="Created"),
+                ),
+                (
+                    "updated_at",
+                    models.DateTimeField(auto_now=True, verbose_name="Last updated"),
+                ),
+                ("name", models.CharField(max_length=100, verbose_name="Name")),
+                ("is_deleted", models.BooleanField(default=False)),
+                ("deleted_at", models.DateTimeField(blank=True, null=True)),
+                (
+                    "context",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="service_instances",
+                        to="core.serviceofferingcontrolplane",
+                    ),
+                ),
+                (
+                    "created_by",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="+",
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                (
+                    "deleted_by",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="+",
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                (
+                    "organization",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="service_instances",
+                        to="core.organization",
+                        verbose_name="Organization",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Service instance",
+                "verbose_name_plural": "Service instances",
+                "unique_together": {("name", "organization", "context")},
+            },
+            bases=(rules.contrib.models.RulesModelMixin, models.Model),
+        ),
+    ]
diff --git a/src/servala/core/models/__init__.py b/src/servala/core/models/__init__.py
index 6d5b24d..722aabd 100644
--- a/src/servala/core/models/__init__.py
+++ b/src/servala/core/models/__init__.py
@@ -12,6 +12,7 @@ from .service import (
     Service,
     ServiceCategory,
     ServiceDefinition,
+    ServiceInstance,
     ServiceOffering,
     ServiceOfferingControlPlane,
 )
@@ -28,6 +29,7 @@ __all__ = [
     "Plan",
     "Service",
     "ServiceCategory",
+    "ServiceInstance",
     "ServiceDefinition",
     "ServiceOffering",
     "ServiceOfferingControlPlane",