diff --git a/backend/iam/urls.py b/backend/iam/urls.py
index 33e795c9f9..e653ccf263 100644
--- a/backend/iam/urls.py
+++ b/backend/iam/urls.py
@@ -9,6 +9,7 @@
     LoginView,
     PasswordResetView,
     ResetPasswordConfirmView,
+    SendInvtationView,
     SessionTokenView,
     SetPasswordView,
 )
@@ -25,6 +26,7 @@
         ResetPasswordConfirmView.as_view(),
         name="password-reset-confirm",
     ),
+    path("send-invitation/", SendInvtationView.as_view(), name="send-invitation"),
     path("set-password/", SetPasswordView.as_view(), name="set-password"),
     path("sso/", include("iam.sso.urls")),
     path(
diff --git a/backend/iam/views.py b/backend/iam/views.py
index 9b83b678c8..a6e19ca944 100644
--- a/backend/iam/views.py
+++ b/backend/iam/views.py
@@ -267,6 +267,37 @@ def post(self, request):
         return Response({"token": session_token})
 
 
+class SendInvtationView(views.APIView):
+    permission_classes = [permissions.AllowAny]
+
+    @method_decorator(ensure_csrf_cookie)
+    def post(self, request):
+        email = request.data["email"]  # type: ignore
+        associated_user = User.objects.filter(email=email).first()
+        if associated_user is None:
+            return Response(
+                status=HTTP_500_INTERNAL_SERVER_ERROR,
+                data={"error": "No user associated with this email"},
+            )
+        if EMAIL_HOST or EMAIL_HOST_RESCUE:
+            if associated_user is not None and associated_user.is_local:
+                try:
+                    associated_user.mailing(
+                        email_template_name="registration/first_connection_email.html",
+                        subject=_("CISO Assistant: Invitation"),
+                    )
+                    print("Sending invitation mail to", email)
+                except Exception as e:
+                    print(e)
+            return Response(status=HTTP_202_ACCEPTED)
+        return Response(
+            data={
+                "error": "Email server not configured, please contact your administrator"
+            },
+            status=HTTP_500_INTERNAL_SERVER_ERROR,
+        )
+
+
 class PasswordResetView(views.APIView):
     permission_classes = [permissions.AllowAny]
 
diff --git a/frontend/src/lib/components/DetailView/DetailView.svelte b/frontend/src/lib/components/DetailView/DetailView.svelte
index defecb3a04..3e4fdd6996 100644
--- a/frontend/src/lib/components/DetailView/DetailView.svelte
+++ b/frontend/src/lib/components/DetailView/DetailView.svelte
@@ -227,6 +227,26 @@
 		modalStore.trigger(modal);
 	}
 
+	function modalSendInvitation(id: string, email: string, action: string): void {
+		const modalComponent: ModalComponent = {
+			ref: ConfirmModal,
+			props: {
+				_form: { id: id, urlmodel: getModelInfo('representatives').urlModel, email: email },
+				id: id,
+				debug: false,
+				URLModel: getModelInfo('representatives').urlModel,
+				formAction: action
+			}
+		};
+		const modal: ModalSettings = {
+			type: 'component',
+			component: modalComponent,
+			title: m.confirmModalTitle(),
+			body: `Do you want to send the invitation to ${email}?`
+		};
+		modalStore.trigger(modal);
+	}
+
 	function getReverseForeignKeyEndpoint({
 		parentModel,
 		targetUrlModel,
@@ -632,6 +652,21 @@
 			{/if}
 
 			{#if displayEditButton()}
+				{#if data.urlModel === 'representatives' && data.data.user}
+					<button
+						class="btn preset-filled-ghost-500 mr-2"
+						onclick={() =>
+							modalSendInvitation(
+								data.data.id,
+								data.data.email,
+								'/representatives/send-invitation'
+							)}
+						data-testid="send-invitation-button"
+					>
+						<i class="fa-solid fa-envelope mr-2"></i>
+						Send invitation
+					</button>
+				{/if}
 				{#if data.data.state === 'Created'}
 					<Tooltip
 						open={openStateRA && !data.data.approver}
diff --git a/frontend/src/routes/(app)/(third-party)/representatives/send-invitation/+server.ts b/frontend/src/routes/(app)/(third-party)/representatives/send-invitation/+server.ts
new file mode 100644
index 0000000000..6310669448
--- /dev/null
+++ b/frontend/src/routes/(app)/(third-party)/representatives/send-invitation/+server.ts
@@ -0,0 +1,37 @@
+import { BASE_API_URL } from '$lib/utils/constants';
+import type { RequestHandler } from './$types';
+
+export const POST: RequestHandler = async (event) => {
+	const requestInitOptions: RequestInit = {
+		method: 'POST'
+	};
+	const form = await event.request.formData();
+	const raw = form.get('__superform_json') as string;
+
+	let parsed = JSON.parse(raw);
+
+	let email: string | undefined;
+
+	if (Array.isArray(parsed)) {
+		const mapping = parsed[0];
+		if (mapping && typeof mapping === 'object' && typeof mapping.email === 'number') {
+			const emailIndex = mapping.email;
+			email = parsed[emailIndex];
+		} else {
+			email = parsed.find((v: any) => typeof v === 'string' && v.includes('@'));
+		}
+	} else if (parsed && typeof parsed === 'object') {
+		email = parsed.email ?? parsed['__email'] ?? undefined;
+	}
+
+	const res = await fetch(`${BASE_API_URL}/iam/send-invitation/`, {
+		method: 'POST',
+		headers: { 'Content-Type': 'application/json' },
+		body: JSON.stringify({ email: email })
+	});
+	return new Response(null, {
+		headers: {
+			'Content-Type': 'application/json'
+		}
+	});
+};