diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ebe4d2..fb272d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- [#96](https://github.com/itk-dev/devops_itksites/pull/96)
+  Show the Service Agreements monthly price as Danish kroner,
+  `12.500,50 kr.`, on index and detail
 - [#95](https://github.com/itk-dev/devops_itksites/pull/95)
   Update `vincentlanglet/twig-cs-fixer` to 4.0. Every other dependency is
   already at its latest minor; the remaining majors are held back by their
diff --git a/src/Controller/Admin/SecurityContractCrudController.php b/src/Controller/Admin/SecurityContractCrudController.php
index 1cac814..d0e0cbb 100644
--- a/src/Controller/Admin/SecurityContractCrudController.php
+++ b/src/Controller/Admin/SecurityContractCrudController.php
@@ -72,7 +72,12 @@ public function configureFields(string $pageName): iterable
         yield TextField::new('clientContactEmail')->hideOnIndex();
 
         yield FormField::addFieldset('Budget');
-        yield NumberField::new('monthlyPrice')->setTextAlign('right')->setColumns(6);
+        // The amount is Danish kroner, which the admin never said anywhere.
+        // 5.5's prepend()/append() addons would be the way to show a unit inside
+        // an input, but they render on form pages only and this CRUD disables
+        // NEW and EDIT (see configureActions), so index and detail are the only
+        // pages it has. Hence formatting instead of an addon.
+        yield NumberField::new('monthlyPrice')->setTextAlign('right')->setColumns(6)->formatValue(self::formatKroner(...));
 
         yield FormField::addFieldset('Infrastructure');
         yield BooleanField::new('dedicatedServer')->renderAsSwitch(false)->hideOnIndex();
@@ -83,6 +88,29 @@ public function configureFields(string $pageName): iterable
         yield DateField::new('validTo')->setColumns(6);
     }
 
+    /**
+     * An amount as Danish kroner: 12.500,50 kr.
+     *
+     * Through Intl rather than by pasting a suffix on, so the grouping and the
+     * decimal separator are Danish too. The application locale is `en`, which
+     * would otherwise render 12,500.5 with no currency at all.
+     */
+    public static function formatKroner(?float $value): ?string
+    {
+        if (null === $value) {
+            return null;
+        }
+
+        return (new \NumberFormatter('da_DK', \NumberFormatter::CURRENCY))->formatCurrency($value, 'DKK') ?: null;
+    }
+
+    /**
+     * The attribute is what makes this method reachable as a CRUD action.
+     *
+     * Without it EasyAdmin throws while rendering the "Sync all" button, which
+     * took the whole index page with it — see the "Custom CRUD Actions" section
+     * of the bundle's UPGRADE.md.
+     */
     #[AdminRoute]
     public function syncAll(): RedirectResponse
     {
diff --git a/tests/Controller/Admin/SecurityContractCurrencyTest.php b/tests/Controller/Admin/SecurityContractCurrencyTest.php
new file mode 100644
index 0000000..e4f8fd3
--- /dev/null
+++ b/tests/Controller/Admin/SecurityContractCurrencyTest.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller\Admin;
+
+use App\Controller\Admin\SecurityContractCrudController;
+use App\Entity\Project;
+use App\Entity\SecurityContract;
+use App\Entity\User;
+use Doctrine\ORM\EntityManagerInterface;
+use EasyCorp\Bundle\EasyAdminBundle\Config\Crud;
+use EasyCorp\Bundle\EasyAdminBundle\Router\AdminUrlGenerator;
+use Hautelook\AliceBundle\PhpUnit\RefreshDatabaseTrait;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+/**
+ * Service agreement amounts are Danish kroner, and the admin has to say so.
+ *
+ * The values come from Economics with no unit attached, and the CRUD has no
+ * form pages — NEW and EDIT are disabled — so index and detail are the only
+ * places a reader ever sees them.
+ */
+class SecurityContractCurrencyTest extends WebTestCase
+{
+    use RefreshDatabaseTrait;
+
+    public function testAmountsRenderAsDanishKroner(): void
+    {
+        $client = static::createClient();
+
+        $entityManager = static::getContainer()->get(EntityManagerInterface::class);
+        $client->loginUser($entityManager->getRepository(User::class)->findOneBy([]));
+
+        $project = new Project();
+        $project->setEconomicsId(4711);
+        $project->setName('Kroner probe');
+
+        $contract = new SecurityContract();
+        $contract->setEconomicsId(4711);
+        $contract->setProject($project);
+        $contract->setMonthlyPrice(12500.5);
+
+        $entityManager->persist($project);
+        $entityManager->persist($contract);
+        $entityManager->flush();
+
+        $url = static::getContainer()->get(AdminUrlGenerator::class)
+            ->setController(SecurityContractCrudController::class)
+            ->setAction(Crud::PAGE_INDEX)
+            ->generateUrl();
+
+        $client->request('GET', $url);
+
+        $this->assertResponseIsSuccessful();
+
+        $content = (string) $client->getResponse()->getContent();
+
+        // Danish grouping and separator, not the application locale's 12,500.5.
+        // Amount and unit are asserted apart because Intl joins them with a
+        // non-breaking space.
+        $this->assertStringContainsString('12.500,50', $content);
+        $this->assertStringContainsString('kr.', $content);
+    }
+}