diff --git a/backend/src/ee/routes/v1/pki-acme-router.ts b/backend/src/ee/routes/v1/pki-acme-router.ts
index 0cb39657d..4794a125a 100644
--- a/backend/src/ee/routes/v1/pki-acme-router.ts
+++ b/backend/src/ee/routes/v1/pki-acme-router.ts
@@ -371,11 +371,7 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       return sendAcmeResponse(
         res,
         profileId,
-        await server.services.pkiAcme.downloadAcmeCertificate({
-          profileId,
-          accountId,
-          orderId: req.params.orderId
-        })
+        await server.services.pkiAcme.downloadAcmeCertificate({ profileId, accountId, orderId: req.params.orderId })
       );
     }
   });
diff --git a/backend/src/ee/services/pki-acme/pki-acme-order-dal.ts b/backend/src/ee/services/pki-acme/pki-acme-order-dal.ts
index 2c7ea6aee..78a46b665 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-order-dal.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-order-dal.ts
@@ -51,7 +51,7 @@ export const pkiAcmeOrderDALFactory = (db: TDbClient) => {
     }
   };
 
-  const findByIdWithAuthorizations = async (id: string, tx?: Knex) => {
+  const findByAccountAndOrderIdWithAuthorizations = async (accountId: string, orderId: string, tx?: Knex) => {
     try {
       const order = await (tx || db)(TableName.PkiAcmeOrder)
         .join(TableName.PkiAcmeOrderAuth, `${TableName.PkiAcmeOrderAuth}.orderId`, `${TableName.PkiAcmeOrder}.id`)
@@ -63,7 +63,8 @@ export const pkiAcmeOrderDALFactory = (db: TDbClient) => {
           db.ref("identifierValue").withSchema(TableName.PkiAcmeAuth).as("identifierValue"),
           db.ref("expiresAt").withSchema(TableName.PkiAcmeAuth).as("expiresAt")
         )
-        .where(`${TableName.PkiAcmeOrder}.id`, id)
+        .where(`${TableName.PkiAcmeOrder}.id`, orderId)
+        .where(`${TableName.PkiAcmeOrder}.accountId`, accountId)
         .first();
 
       if (!order) {
@@ -88,6 +89,6 @@ export const pkiAcmeOrderDALFactory = (db: TDbClient) => {
     create,
     updateById,
     findById,
-    findByIdWithAuthorizations
+    findByAccountAndOrderIdWithAuthorizations
   };
 };
diff --git a/backend/src/ee/services/pki-acme/pki-acme-service.ts b/backend/src/ee/services/pki-acme/pki-acme-service.ts
index 49dfb72ef..c68bb3895 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-service.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-service.ts
@@ -53,7 +53,7 @@ import {
 type TPkiAcmeServiceFactoryDep = {
   certificateProfileDAL: Pick<TCertificateProfileDALFactory, "findById">;
   acmeAccountDAL: Pick<TPkiAcmeAccountDALFactory, "findByProjectIdAndAccountId" | "findByPublicKey" | "create">;
-  acmeOrderDAL: Pick<TPkiAcmeOrderDALFactory, "create" | "transaction" | "findByIdWithAuthorizations">;
+  acmeOrderDAL: Pick<TPkiAcmeOrderDALFactory, "create" | "transaction" | "findByAccountAndOrderIdWithAuthorizations">;
   acmeAuthDAL: Pick<TPkiAcmeAuthDALFactory, "create" | "findById">;
   acmeOrderAuthDAL: Pick<TPkiAcmeOrderAuthDALFactory, "insertMany">;
 };
@@ -396,8 +396,8 @@ export const pkiAcmeServiceFactory = ({
     accountId: string;
     orderId: string;
   }): Promise<TAcmeResponse<TAcmeOrderResource>> => {
-    const order = await acmeOrderDAL.findByIdWithAuthorizations(orderId);
-    if (!order || order.accountId !== accountId) {
+    const order = await acmeOrderDAL.findByAccountAndOrderIdWithAuthorizations(accountId, orderId);
+    if (!order) {
       throw new NotFoundError({ message: "ACME order not found" });
     }
     return {
@@ -418,25 +418,45 @@ export const pkiAcmeServiceFactory = ({
     orderId: string;
     payload: TFinalizeAcmeOrderPayload;
   }): Promise<TAcmeResponse<TAcmeOrderResource>> => {
-    const profile = await validateAcmeProfile(profileId);
+    const order = await acmeOrderDAL.findByAccountAndOrderIdWithAuthorizations(accountId, orderId);
+    if (!order) {
+      throw new NotFoundError({ message: "ACME order not found" });
+    }
     const { csr } = payload;
     // FIXME: Implement ACME finalize order
     return {
       status: 200,
-      body: {
-        status: "processing",
-        expires: new Date(Date.now() + 24 * 60 * 60 * 1000).toISOString(),
-        identifiers: [],
-        authorizations: [],
-        finalize: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/orders/${orderId}/finalize`),
-        certificate: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/orders/${orderId}/certificate`)
-      },
+      body: buildAcmeOrderResource({ profileId, order }),
       headers: {
         Location: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/orders/${orderId}`)
       }
     };
   };
 
+  const downloadAcmeCertificate = async ({
+    profileId,
+    accountId,
+    orderId
+  }: {
+    profileId: string;
+    accountId: string;
+    orderId: string;
+  }): Promise<TAcmeResponse<string>> => {
+    const order = await acmeOrderDAL.findByAccountAndOrderIdWithAuthorizations(accountId, orderId);
+    if (!order) {
+      throw new NotFoundError({ message: "ACME order not found" });
+    }
+    // FIXME: Implement ACME certificate download
+    // Return the certificate in PEM format
+    return {
+      status: 200,
+      body: "FIXME-certificate-pem",
+      headers: {
+        Location: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/orders/${orderId}/certificate`)
+      }
+    };
+  };
+
   const listAcmeOrders = async ({
     profileId,
     accountId
@@ -457,25 +477,6 @@ export const pkiAcmeServiceFactory = ({
     };
   };
 
-  const downloadAcmeCertificate = async ({
-    profileId,
-    orderId
-  }: {
-    profileId: string;
-    orderId: string;
-  }): Promise<TAcmeResponse<string>> => {
-    const profile = await validateAcmeProfile(profileId);
-    // FIXME: Implement ACME certificate download
-    // Return the certificate in PEM format
-    return {
-      status: 200,
-      body: "FIXME-certificate-pem",
-      headers: {
-        Location: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/orders/${orderId}/certificate`)
-      }
-    };
-  };
-
   /** --------------------------------------------------------------
    * ACME Authorization
    * -------------------------------------------------------------- */
diff --git a/backend/src/ee/services/pki-acme/pki-acme-types.ts b/backend/src/ee/services/pki-acme/pki-acme-types.ts
index 672300f18..8fded06d4 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-types.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-types.ts
@@ -123,13 +123,6 @@ export type TPkiAcmeServiceFactory = {
     orderId: string;
     payload: TFinalizeAcmeOrderPayload;
   }) => Promise<TAcmeResponse<TAcmeOrderResource>>;
-  listAcmeOrders: ({
-    profileId,
-    accountId
-  }: {
-    profileId: string;
-    accountId: string;
-  }) => Promise<TAcmeResponse<TListAcmeOrdersResponse>>;
   downloadAcmeCertificate: ({
     profileId,
     accountId,
@@ -139,6 +132,13 @@ export type TPkiAcmeServiceFactory = {
     accountId: string;
     orderId: string;
   }) => Promise<TAcmeResponse<string>>;
+  listAcmeOrders: ({
+    profileId,
+    accountId
+  }: {
+    profileId: string;
+    accountId: string;
+  }) => Promise<TAcmeResponse<TListAcmeOrdersResponse>>;
   getAcmeAuthorization: ({
     profileId,
     accountId,