diff --git a/migrations/20260326120000-activate-referral-access-for-all-tiers.js b/migrations/20260326120000-activate-referral-access-for-all-tiers.js
new file mode 100644
index 000000000..b97da1292
--- /dev/null
+++ b/migrations/20260326120000-activate-referral-access-for-all-tiers.js
@@ -0,0 +1,97 @@
+'use strict';
+
+const { v4 } = require('uuid');
+
+const LIMIT_LABEL = 'referral-access';
+
+const TIER_LABELS = [
+  'free_individual',
+  'essential_individual',
+  'essential_lifetime_individual',
+  'premium_individual',
+  'premium_lifetime_individual',
+  'ultimate_individual',
+  'ultimate_lifetime_individual',
+  'standard_business',
+  'pro_business',
+];
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface) {
+    const transaction = await queryInterface.sequelize.transaction();
+
+    try {
+      const [tiers] = await queryInterface.sequelize.query(
+        `SELECT id, label FROM tiers WHERE label IN (:tierLabels)`,
+        {
+          replacements: { tierLabels: TIER_LABELS },
+          transaction,
+        },
+      );
+
+      if (tiers.length === 0) {
+        throw new Error('No matching tiers found in database');
+      }
+
+      const [limits] = await queryInterface.sequelize.query(
+        `SELECT id, value FROM limits WHERE label = :limitLabel`,
+        { replacements: { limitLabel: LIMIT_LABEL }, transaction },
+      );
+
+      if (limits.length === 0) {
+        throw new Error(`No limits found for label "${LIMIT_LABEL}"`);
+      }
+
+      const enabledLimit = limits.find((l) => l.value === 'true');
+
+      if (!enabledLimit) {
+        throw new Error(
+          `No enabled limit found for label "${LIMIT_LABEL}" with value "true"`,
+        );
+      }
+
+      const tierLimitRelations = tiers.map((tier) => ({
+        id: v4(),
+        tier_id: tier.id,
+        limit_id: enabledLimit.id,
+        created_at: new Date(),
+        updated_at: new Date(),
+      }));
+
+      await queryInterface.bulkInsert('tiers_limits', tierLimitRelations, {
+        transaction,
+      });
+
+      await transaction.commit();
+    } catch (error) {
+      await transaction.rollback();
+      throw error;
+    }
+  },
+
+  async down(queryInterface) {
+    const transaction = await queryInterface.sequelize.transaction();
+
+    try {
+      const [limits] = await queryInterface.sequelize.query(
+        `SELECT id FROM limits WHERE label = :limitLabel`,
+        { replacements: { limitLabel: LIMIT_LABEL }, transaction },
+      );
+
+      const limitIds = limits.map((l) => l.id);
+
+      if (limitIds.length > 0) {
+        await queryInterface.sequelize.query(
+          `DELETE FROM tiers_limits WHERE limit_id IN (:limitIds)`,
+          { replacements: { limitIds }, transaction },
+        );
+      }
+
+      await transaction.commit();
+    } catch (error) {
+      await transaction.rollback();
+      throw error;
+    }
+  },
+};