diff --git a/rfirma-app/po/ca.po b/rfirma-app/po/ca.po
index 00223e58..b51258b4 100644
--- a/rfirma-app/po/ca.po
+++ b/rfirma-app/po/ca.po
@@ -1052,6 +1052,9 @@ msgstr "Fitxer instal·lat"
 msgid "status.storeBrands.windows"
 msgstr "Magatzem de Windows"
 
+msgid "status.storeBrands.macos"
+msgstr "Magatzem de macOS"
+
 msgid "status.notices.restartFirefox"
 msgstr "Reinicia el Firefox perquè tingui efecte."
 
diff --git a/rfirma-app/po/en.po b/rfirma-app/po/en.po
index 28a455aa..b045a3f8 100644
--- a/rfirma-app/po/en.po
+++ b/rfirma-app/po/en.po
@@ -1052,6 +1052,9 @@ msgstr "Installed file"
 msgid "status.storeBrands.windows"
 msgstr "Windows store"
 
+msgid "status.storeBrands.macos"
+msgstr "macOS store"
+
 msgid "status.notices.restartFirefox"
 msgstr "Restart Firefox for this to take effect."
 
diff --git a/rfirma-app/po/es.po b/rfirma-app/po/es.po
index ebf068e7..887a98ea 100644
--- a/rfirma-app/po/es.po
+++ b/rfirma-app/po/es.po
@@ -1052,6 +1052,9 @@ msgstr "Fichero instalado"
 msgid "status.storeBrands.windows"
 msgstr "Almacén de Windows"
 
+msgid "status.storeBrands.macos"
+msgstr "Almacén de macOS"
+
 msgid "status.notices.restartFirefox"
 msgstr "Reinicia Firefox para que surta efecto."
 
diff --git a/rfirma-app/po/eu.po b/rfirma-app/po/eu.po
index 87e6be35..00a4e188 100644
--- a/rfirma-app/po/eu.po
+++ b/rfirma-app/po/eu.po
@@ -1053,6 +1053,9 @@ msgstr "Instalatutako fitxategia"
 msgid "status.storeBrands.windows"
 msgstr "Windows biltegia"
 
+msgid "status.storeBrands.macos"
+msgstr "macOS biltegia"
+
 msgid "status.notices.restartFirefox"
 msgstr "Berrabiarazi Firefox eragina izan dezan."
 
diff --git a/rfirma-app/po/gl.po b/rfirma-app/po/gl.po
index 9faa93a9..a080228c 100644
--- a/rfirma-app/po/gl.po
+++ b/rfirma-app/po/gl.po
@@ -1050,6 +1050,9 @@ msgstr "Ficheiro instalado"
 msgid "status.storeBrands.windows"
 msgstr "Almacén de Windows"
 
+msgid "status.storeBrands.macos"
+msgstr "Almacén de macOS"
+
 msgid "status.notices.restartFirefox"
 msgstr "Reinicia Firefox para que xurda efecto."
 
diff --git a/rfirma-app/po/messages.pot b/rfirma-app/po/messages.pot
index a2eae7ab..934330c3 100644
--- a/rfirma-app/po/messages.pot
+++ b/rfirma-app/po/messages.pot
@@ -1037,6 +1037,9 @@ msgstr ""
 msgid "status.storeBrands.windows"
 msgstr ""
 
+msgid "status.storeBrands.macos"
+msgstr ""
+
 msgid "status.notices.restartFirefox"
 msgstr ""
 
diff --git a/rfirma-app/src/setup/SetupWizard.presentation.test.tsx b/rfirma-app/src/setup/SetupWizard.presentation.test.tsx
index cf51d47f..33f328e6 100644
--- a/rfirma-app/src/setup/SetupWizard.presentation.test.tsx
+++ b/rfirma-app/src/setup/SetupWizard.presentation.test.tsx
@@ -1,5 +1,6 @@
 import { composeStories } from "@storybook/react-vite";
 import { screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
 import { describe, expect, it } from "vitest";
 import { renderWithCatalog } from "../testing/render";
 import * as stories from "./SetupWizard.stories";
@@ -13,6 +14,7 @@ const {
   CertificateDoneHandlerPending,
   WithoutAutoFirma,
   ProtectionOff,
+  CertificateFailedOnMacos,
 } = composeStories(stories);
 
 const stepButtons = ["Instalar", "Usar rFirma", "Ahora no"];
@@ -99,3 +101,13 @@ describe("the protection against accidental signing", () => {
     expect(await screen.findByRole("switch")).not.toBeChecked();
   });
 });
+
+describe("the certificate step on macOS", () => {
+  it("names the macOS store among the places where the install failed", async () => {
+    renderWithCatalog(<CertificateFailedOnMacos />);
+
+    await userEvent.click(await screen.findByRole("button", { name: "Instalar" }));
+
+    expect(await screen.findByText("Almacén de macOS")).toBeInTheDocument();
+  });
+});
diff --git a/rfirma-app/src/setup/SetupWizard.stories.tsx b/rfirma-app/src/setup/SetupWizard.stories.tsx
index 69b0a3f4..c490dba3 100644
--- a/rfirma-app/src/setup/SetupWizard.stories.tsx
+++ b/rfirma-app/src/setup/SetupWizard.stories.tsx
@@ -1,13 +1,14 @@
 //! Las historias del asistente del primer arranque: la bienvenida y la configuración con cada estado de sus dos pasos.
 
 import type { Meta, StoryObj } from "@storybook/react-vite";
-import { fn } from "storybook/test";
+import { expect, fn, userEvent, within } from "storybook/test";
 import { inMemoryPreferences } from "../preferences/preferences";
 import { defaults } from "../preferences/testing/fixtures";
 import { memoryStatus } from "../status/status";
 import { SetupWizard } from "./SetupWizard";
 import {
   aVersionRow,
+  certificateFailedOnMacos,
   certificateInstalled,
   certificateNotInstalled,
   handlerNotOurs,
@@ -85,6 +86,22 @@ export const WithoutAutoFirma: Story = {
   },
 };
 
+export const CertificateFailedOnMacos: Story = {
+  name: "2 · Configuración, certificado sin instalar en macOS",
+  args: {
+    initialStep: 2,
+    statusPort: {
+      ...memoryStatus([aVersionRow, certificateNotInstalled, handlerNotOurs]),
+      installLocalCaCertificate: async () => certificateFailedOnMacos,
+    },
+  },
+  play: async ({ canvasElement }) => {
+    const canvas = within(canvasElement);
+    await userEvent.click(await canvas.findByRole("button", { name: "Instalar" }));
+    await expect(await canvas.findByText("Almacén de macOS")).toBeVisible();
+  },
+};
+
 export const ProtectionOff: Story = {
   name: "2 · Configuración, sin la espera de la sede",
   args: {
diff --git a/rfirma-app/src/setup/testing/fixtures.ts b/rfirma-app/src/setup/testing/fixtures.ts
index 568c30f5..a24c2848 100644
--- a/rfirma-app/src/setup/testing/fixtures.ts
+++ b/rfirma-app/src/setup/testing/fixtures.ts
@@ -28,6 +28,12 @@ export const certificateInstalled: SignalRow = {
   action: null,
 };
 
+export const certificateFailedOnMacos: SignalRow = {
+  ...certificateNotInstalled,
+  verdict: "incorrect",
+  detail: { kind: "trust", stores: [{ brand: "macos", trusted: false }] },
+};
+
 export const handlerNotOurs: SignalRow = {
   signal: "siteSignature",
   value: "AutoFirma",
diff --git a/rfirma-app/src/signing/CertificateCard.tsx b/rfirma-app/src/signing/CertificateCard.tsx
index 4b201392..59c2d359 100644
--- a/rfirma-app/src/signing/CertificateCard.tsx
+++ b/rfirma-app/src/signing/CertificateCard.tsx
@@ -67,6 +67,8 @@ export function storeLabel(store: Store, t: TFunction): string {
       return t("panel.certificate.stores.installed");
     case "windows":
       return t("status.storeBrands.windows");
+    case "macos":
+      return t("status.storeBrands.macos");
   }
 }
 
diff --git a/rfirma-app/src/signing/CertificateSelect.stories.tsx b/rfirma-app/src/signing/CertificateSelect.stories.tsx
index 9dfc2a79..86791228 100644
--- a/rfirma-app/src/signing/CertificateSelect.stories.tsx
+++ b/rfirma-app/src/signing/CertificateSelect.stories.tsx
@@ -5,6 +5,7 @@ import { fn } from "storybook/test";
 import { CertificateSelect } from "./CertificateSelect";
 import {
   ENTITY_CERTIFICATE,
+  MACOS_CERTIFICATE,
   PERSONAL_CERTIFICATE,
   STORY_CERTIFICATES,
 } from "./testing/storyReports";
@@ -53,4 +54,12 @@ export const Searching: Story = { args: { certificates: [], chosen: null, search
 
 export const Disabled: Story = { args: { disabled: true } };
 
+export const OpenWithMacosStore: Story = {
+  args: {
+    certificates: [MACOS_CERTIFICATE, PERSONAL_CERTIFICATE],
+    chosen: MACOS_CERTIFICATE,
+    defaultOpen: true,
+  },
+};
+
 export const Open: Story = { args: { defaultOpen: true } };
diff --git a/rfirma-app/src/signing/CertificateSelect.test.tsx b/rfirma-app/src/signing/CertificateSelect.test.tsx
index eaa55da9..2478cbc4 100644
--- a/rfirma-app/src/signing/CertificateSelect.test.tsx
+++ b/rfirma-app/src/signing/CertificateSelect.test.tsx
@@ -247,6 +247,16 @@ describe("CertificateSelect", () => {
       expect(within(row(0)).getByText("Tarjeta")).toBeVisible();
     });
 
+    it("names the macOS personal store as the macOS store", async () => {
+      renderSelect({
+        certificates: [aCertificate({ id: "macos", stores: ["macos"] })],
+      });
+
+      await userEvent.click(box());
+
+      expect(within(row(0)).getByText("Almacén de macOS")).toBeVisible();
+    });
+
     it("tags a DNIe certificate as «DNIe» and a certificate on any other card as «Tarjeta»", async () => {
       renderSelect({
         certificates: [
diff --git a/rfirma-app/src/signing/certificate.ts b/rfirma-app/src/signing/certificate.ts
index 1ad27b8c..af911cd4 100644
--- a/rfirma-app/src/signing/certificate.ts
+++ b/rfirma-app/src/signing/certificate.ts
@@ -55,6 +55,7 @@ type CertificateStoreClass =
   | "nssdb"
   | "installed"
   | "windows"
+  | "macos"
   | BrowserStoreMark;
 
 /** Un certificado elegible, con lo justo para pintarlo y para firmar con él. */
diff --git a/rfirma-app/src/signing/testing/storyReports.ts b/rfirma-app/src/signing/testing/storyReports.ts
index 99fbdb33..6afc7236 100644
--- a/rfirma-app/src/signing/testing/storyReports.ts
+++ b/rfirma-app/src/signing/testing/storyReports.ts
@@ -181,6 +181,15 @@ const NOT_YET_VALID_CERTIFICATE = aCertificate({
   status: { kind: "notYetValid", notBefore: IN_2099 },
 });
 
+export const MACOS_CERTIFICATE = aCertificate({
+  id: "macos",
+  holderName: "BABBAGE CHARLES",
+  givenName: "Charles",
+  surname: "Babbage",
+  idNumber: "IDCES-00000002W",
+  stores: ["macos"],
+});
+
 export const STORY_CERTIFICATES: readonly Certificate[] = [
   PERSONAL_CERTIFICATE,
   ENTITY_CERTIFICATE,
diff --git a/rfirma-app/src/status/StatusView.presentation.test.tsx b/rfirma-app/src/status/StatusView.presentation.test.tsx
index 2c0ddd3e..9d6b8a6d 100644
--- a/rfirma-app/src/status/StatusView.presentation.test.tsx
+++ b/rfirma-app/src/status/StatusView.presentation.test.tsx
@@ -118,6 +118,11 @@ const table: Record<keyof typeof stories, Expected> = {
     buttons: [],
     absent: ["No aplica"],
   },
+  UserCertificatesOnMacos: {
+    texts: ["Almacén de macOS", "Tarjeta"],
+    buttons: ["Ver dónde"],
+    absent: ["Almacén de Windows"],
+  },
   UserCertificatesDetailExpanded: {
     texts: [
       "Almacén de Windows",
diff --git a/rfirma-app/src/status/StatusView.stories.tsx b/rfirma-app/src/status/StatusView.stories.tsx
index 5a2d7d5d..a764bdda 100644
--- a/rfirma-app/src/status/StatusView.stories.tsx
+++ b/rfirma-app/src/status/StatusView.stories.tsx
@@ -21,6 +21,7 @@ import {
   sitesUnavailableOutsideFlatpak,
   sitesWithTwoCandidates,
   someUserCertificates,
+  someUserCertificatesOnMacos,
   versionChecking,
   versionOutdated,
   versionUpToDate,
@@ -122,6 +123,10 @@ export const CardReaderMissing = panel([cardReaderMissing]);
 
 export const CardReaderNotSupported = panel([cardReaderNotSupported]);
 
+export const UserCertificatesOnMacos = panel([someUserCertificatesOnMacos], {
+  initiallyExpanded: ["userCertificates"],
+});
+
 export const UserCertificatesDetailExpanded = panel([someUserCertificates], {
   initiallyExpanded: ["userCertificates"],
 });
diff --git a/rfirma-app/src/status/status.ts b/rfirma-app/src/status/status.ts
index 703770a9..bcc5aa34 100644
--- a/rfirma-app/src/status/status.ts
+++ b/rfirma-app/src/status/status.ts
@@ -21,7 +21,8 @@ export type StoreBrand =
   | "nssdb"
   | "card"
   | "installed"
-  | "windows";
+  | "windows"
+  | "macos";
 
 export interface StoreDetail {
   brand: StoreBrand;
@@ -44,6 +45,8 @@ export function storeBrandLabel(t: TFunction, brand: StoreBrand): string {
       return t("status.storeBrands.installed");
     case "windows":
       return t("status.storeBrands.windows");
+    case "macos":
+      return t("status.storeBrands.macos");
   }
 }
 
diff --git a/rfirma-app/src/status/testing/fixtures.ts b/rfirma-app/src/status/testing/fixtures.ts
index 917c7c4a..46e1e0f3 100644
--- a/rfirma-app/src/status/testing/fixtures.ts
+++ b/rfirma-app/src/status/testing/fixtures.ts
@@ -148,6 +148,17 @@ export const someUserCertificates: SignalRow = {
   },
 };
 
+export const someUserCertificatesOnMacos: SignalRow = {
+  ...someUserCertificates,
+  detail: {
+    kind: "certificates",
+    stores: [
+      { brand: "macos", certificates: 2 },
+      { brand: "card", certificates: 1 },
+    ],
+  },
+};
+
 export const cardReaderDetected = cardReaderRow({ kind: "noCard" });
 
 export const cardReaderMissing = cardReaderRow({ kind: "noReader" });