diff --git a/contentcuration/contentcuration/migrations/0168_invitation_organization.py b/contentcuration/contentcuration/migrations/0168_invitation_organization.py
new file mode 100644
index 0000000000..71fae64cab
--- /dev/null
+++ b/contentcuration/contentcuration/migrations/0168_invitation_organization.py
@@ -0,0 +1,24 @@
+# Generated by Django 3.2.24 on 2026-07-02 04:15
+import django.db.models.deletion
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("contentcuration", "0167_add_organization"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="invitation",
+            name="organization",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="contentcuration.organization",
+            ),
+        ),
+    ]
diff --git a/contentcuration/contentcuration/models.py b/contentcuration/contentcuration/models.py
index 8c7cee3919..2013dc5815 100644
--- a/contentcuration/contentcuration/models.py
+++ b/contentcuration/contentcuration/models.py
@@ -79,13 +79,17 @@
 from contentcuration.constants import feedback
 from contentcuration.constants import user_history
 from contentcuration.constants.contentnode import kind_activity_map
+from contentcuration.constants.organization_roles import ORGANIZATION_ADMIN
+from contentcuration.constants.organization_roles import ORGANIZATION_EDITOR
 from contentcuration.constants.organization_roles import organization_role_choices
+from contentcuration.constants.organization_roles import ORGANIZATION_ROLE_STATUS_ACTIVE
 from contentcuration.constants.organization_roles import (
     organization_role_status_choices,
 )
 from contentcuration.constants.organization_roles import (
     ORGANIZATION_ROLE_STATUS_PENDING,
 )
+from contentcuration.constants.organization_roles import ORGANIZATION_VIEWER
 from contentcuration.db.models.expressions import Array
 from contentcuration.db.models.functions import ArrayRemove
 from contentcuration.db.models.functions import Unnest
@@ -102,6 +106,7 @@
 
 EDIT_ACCESS = "edit"
 VIEW_ACCESS = "view"
+ADMIN_ACCESS = "admin"
 
 DEFAULT_CONTENT_DEFAULTS = {
     "license": None,
@@ -3730,6 +3735,9 @@ class Invitation(models.Model):
     )
     first_name = models.CharField(max_length=100, blank=True)
     last_name = models.CharField(max_length=100, blank=True, null=True)
+    organization = models.ForeignKey(
+        "Organization", null=True, blank=True, on_delete=models.CASCADE
+    )
 
     class Meta:
         verbose_name = "Invitation"
@@ -3738,13 +3746,35 @@ class Meta:
     def accept(self):
         user = User.objects.filter(email__iexact=self.email).first()
         if self.channel:
-            # channel is a nullable field, so check that it exists.
-            if self.share_mode == VIEW_ACCESS:
-                self.channel.editors.remove(user)
-                self.channel.viewers.add(user)
-            else:
-                self.channel.viewers.remove(user)
-                self.channel.editors.add(user)
+            self._accept_channel_invitation(user)
+        if self.organization:
+            self._accept_organization_invitation(user)
+
+    def _accept_channel_invitation(self, user):
+        if self.share_mode == VIEW_ACCESS:
+            self.channel.editors.remove(user)
+            self.channel.viewers.add(user)
+        else:
+            self.channel.viewers.remove(user)
+            self.channel.editors.add(user)
+
+    def _accept_organization_invitation(self, user):
+        role = None
+        if self.share_mode == VIEW_ACCESS:
+            role = ORGANIZATION_VIEWER
+        elif self.share_mode == EDIT_ACCESS:
+            role = ORGANIZATION_EDITOR
+        elif self.share_mode == ADMIN_ACCESS:
+            role = ORGANIZATION_ADMIN
+        else:
+            raise ValidationError(f"Invalid share_mode: {self.share_mode}")
+
+        update_create_defaults = {"role": role, "status": ORGANIZATION_ROLE_STATUS_ACTIVE}
+        OrganizationRole.objects.update_or_create(
+            user=user,
+            organization=self.organization,
+            defaults=update_create_defaults,
+        )
 
     @classmethod
     def filter_edit_queryset(cls, queryset, user):