diff --git a/src/compas-services/CompasNSDocFileService.ts b/src/compas-services/CompasNSDocFileService.ts
new file mode 100644
index 0000000000..40c096de52
--- /dev/null
+++ b/src/compas-services/CompasNSDocFileService.ts
@@ -0,0 +1,100 @@
+import { handleError, handleResponse } from './foundation.js';
+
+interface NsDocFile {
+  filename: string;
+  id: string;
+  name: string;
+}
+
+// Temporary solution to map to the old logic
+const nsDocfiles: NsDocFile[] = [
+  {
+    filename: 'IEC_61850-7-2_2007B3-en.nsdoc',
+    name: 'IEC 61850-7-2',
+    id: '87e5bed8-2f27-4006-8673-f9d00b0a5426',
+  },
+  {
+    filename: 'IEC_61850-7-3_2007B3-en.nsdoc',
+    name: 'IEC_61850-7-3',
+    id: '315b02ac-c4aa-4495-9b4f-f7175a75c315',
+  },
+  {
+    filename: 'IEC_61850-7-4_2007B3-en.nsdoc',
+    name: 'IEC 61850-7-4',
+    id: 'da1b2ca0-1263-4b10-9b16-2f148ae3a1f1',
+  },
+  {
+    filename: 'IEC_61850-8-1_2003A2-en.nsdoc',
+    name: 'IEC 61850-8-1',
+    id: '0c052ea7-a010-4ca8-b2c7-caa665cabc46',
+  },
+];
+
+const createElement = (
+  name: string,
+  textContent: string,
+  document: XMLDocument
+): Element => {
+  const element: Element = document.createElement(name);
+  element.textContent = textContent;
+
+  return element;
+};
+
+/** TODO: Make this return JSON  */
+export function CompasNSDocFileService() {
+  return {
+    listNsdocFiles(): Promise<Document> {
+      const document: XMLDocument = new DOMParser().parseFromString(
+        '<NsdocListResponse></NsdocListResponse>',
+        'text/xml'
+      );
+
+      nsDocfiles.forEach(nsDocFile => {
+        const nsDocFileElement: Element = document.createElement('NsdocFile');
+
+        nsDocFileElement.appendChild(
+          createElement('Id', nsDocFile.id, document)
+        );
+        nsDocFileElement.appendChild(
+          createElement('NsdocId', nsDocFile.name, document)
+        );
+        nsDocFileElement.appendChild(
+          createElement('Checksum', nsDocFile.id, document)
+        );
+        nsDocFileElement.appendChild(
+          createElement('Filename', nsDocFile.filename, document)
+        );
+
+        document
+          .querySelector('NsdocListResponse')!
+          .appendChild(nsDocFileElement);
+      });
+
+      return Promise.resolve(document);
+    },
+
+    getNsdocFile(id: string): Promise<Document> {
+      const nsDocFile: NsDocFile = nsDocfiles.find(f => f.id === id)!;
+
+      if (!nsDocFile) {
+        return Promise.reject(`Unable to find nsDoc file with id ${id}`);
+      }
+      return fetch(`./public/nsdoc/${nsDocFile.filename}`)
+        .catch(handleError)
+        .then(handleResponse)
+        .then(res => {
+          const document: XMLDocument = new DOMParser().parseFromString(
+            '<NsdocResponse></NsdocResponse>',
+            'text/xml'
+          );
+
+          document
+            .querySelector('NsdocResponse')!
+            .appendChild(createElement('NsdocFile', res, document));
+
+          return document;
+        });
+    },
+  };
+}
diff --git a/src/compas-services/CompasValidatorService.ts b/src/compas-services/CompasValidatorService.ts
index d84b899c1c..07d0212270 100644
--- a/src/compas-services/CompasValidatorService.ts
+++ b/src/compas-services/CompasValidatorService.ts
@@ -60,14 +60,6 @@ export function CompasSclValidatorService() {
         .then(parseXml);
     },
 
-    listNsdocFiles(): Promise<Document> {
-      const svsUrl = getSclValidatorServiceUrl() + '/nsdoc/v1';
-      return fetch(svsUrl)
-        .catch(handleError)
-        .then(handleResponse)
-        .then(parseXml);
-    },
-
     getNsdocFile(id: string): Promise<Document> {
       const svsUrl = getSclValidatorServiceUrl() + '/nsdoc/v1/' + id;
       return fetch(svsUrl)
diff --git a/src/compas/CompasNsdoc.ts b/src/compas/CompasNsdoc.ts
index e3bdbfc483..f363f359a8 100644
--- a/src/compas/CompasNsdoc.ts
+++ b/src/compas/CompasNsdoc.ts
@@ -2,6 +2,7 @@ import { newLoadNsdocEvent } from '../Setting.js';
 
 import { createLogEvent } from '../compas-services/foundation.js';
 import { CompasSclValidatorService } from '../compas-services/CompasValidatorService.js';
+import { CompasNSDocFileService } from '../compas-services/CompasNSDocFileService.js';
 
 /**
  * Load a single entry. Use the nsdocId to look in the Local Storage, if already loaded,
@@ -30,7 +31,7 @@ async function processNsdocFile(
     checksumStored !== checksum
   ) {
     console.info(`Loading NSDoc File '${nsdocId}' with ID '${id}'.`);
-    await CompasSclValidatorService()
+    await CompasNSDocFileService()
       .getNsdocFile(id)
       .then(document => {
         const nsdocContent =
@@ -51,7 +52,7 @@ async function processNsdocFile(
  * Load each item found using the function #processNsdocFile.
  */
 export async function loadNsdocFiles(component: Element): Promise<void> {
-  await CompasSclValidatorService()
+  await CompasNSDocFileService()
     .listNsdocFiles()
     .then(response => {
       Array.from(response.querySelectorAll('NsdocFile') ?? []).forEach(
diff --git a/test/unit/compas-services/CompasNSDocFileService.test.ts b/test/unit/compas-services/CompasNSDocFileService.test.ts
new file mode 100644
index 0000000000..dedb73fe0e
--- /dev/null
+++ b/test/unit/compas-services/CompasNSDocFileService.test.ts
@@ -0,0 +1,36 @@
+import { expect } from '@open-wc/testing';
+
+import { CompasNSDocFileService } from '../../../src/compas-services/CompasNSDocFileService.js';
+
+describe('compas-nsdocfile-service', () => {
+  it('Should list all NSDoc files', async () => {
+    const res = await CompasNSDocFileService().listNsdocFiles();
+
+    const nsDocFiles: Element[] = Array.from(res.querySelectorAll('NsdocFile'));
+
+    expect(nsDocFiles.length).to.equal(4);
+  });
+
+  it('Should fail on invalid request', done => {
+    const id = '315b02ac-c4aa-4495-9b4f-f7175a75c315';
+    CompasNSDocFileService()
+      .getNsdocFile(id)
+      .then(() => done('Failed'))
+      .catch(err => {
+        expect(err.status).to.equal(404);
+        expect(err.type).to.equal('NotFoundError');
+        done();
+      });
+  });
+  it('Should fail on invalid id', done => {
+    const id = '1';
+
+    CompasNSDocFileService()
+      .getNsdocFile(id)
+      .then(() => done('Failed'))
+      .catch(err => {
+        expect(err).to.equal(`Unable to find nsDoc file with id ${id}`);
+        done();
+      });
+  });
+});