diff --git a/web/gui-v2/src/components/ListView.test.js b/web/gui-v2/src/components/ListView.test.js
index e904eff..c06df4d 100644
--- a/web/gui-v2/src/components/ListView.test.js
+++ b/web/gui-v2/src/components/ListView.test.js
@@ -7,6 +7,14 @@ import {
   waitForElementToBeRemoved,
 } from '@testing-library/react';
 
+import { MOCK_COMPANIES } from '../test/mock-data';
+jest.mock("../static_data/data", () => {
+  return {
+    __esModule: true,
+    company_data: MOCK_COMPANIES,
+  };
+});
+
 import { emotionCache, userEventSetup } from '../util/testing';
 import ListView from './ListView';
 import { exportsForTestingOnly } from './ListViewTable';
@@ -25,16 +33,16 @@ describe("ListView", () => {
     );
 
     // Filter by China and verify that the count updates
-    expect(screen.getByText('Viewing 691 companies')).toBeVisible();
+    expect(screen.getByText('Viewing 4 companies')).toBeVisible();
     const regionHeader = screen.getByRole('columnheader', { name: /country/i });
     await user.click(getByRole(regionHeader, 'button', { name: /open/i }));
     const menu = screen.getByRole('listbox');
-    await user.click(getByText(menu, 'China'));
-    expect(screen.getByText('Viewing 43 of 691 companies')).toBeVisible();
+    await user.click(getByText(menu, 'United States'));
+    expect(screen.getByText('Viewing 2 of 4 companies')).toBeVisible();
 
     // Reset the filters and verify that the count updates
     await user.click(screen.getByRole('button', { name: /reset filters/i }));
-    expect(screen.getByText('Viewing 691 companies')).toBeVisible();
+    expect(screen.getByText('Viewing 4 companies')).toBeVisible();
   }, 20000);
 
 
@@ -49,7 +57,7 @@ describe("ListView", () => {
     await user.click(getByRole(companyHeader, 'combobox'));
     const menu = screen.getByRole('listbox');
     await user.click(getByText(menu, 'S&P 500'));
-    expect(screen.getByText('Viewing 500 of 691 companies')).toBeVisible();
+    expect(screen.getByText('Viewing 2 of 4 companies')).toBeVisible();
   }, 20000);
 
 
diff --git a/web/gui-v2/src/static_data/table_columns.js b/web/gui-v2/src/static_data/table_columns.js
index d673bdc..7ad4b19 100644
--- a/web/gui-v2/src/static_data/table_columns.js
+++ b/web/gui-v2/src/static_data/table_columns.js
@@ -105,7 +105,7 @@ const generateSliderColDef = (dataKey, dataSubkey, extractFn, formatFn) => {
     dataKey,
     dataSubkey,
     extract: extractFn ?? ((_val, row) => {
-      const res = row[dataKey][dataSubkey].total;
+      const res = row?.[dataKey]?.[dataSubkey]?.total;
       return res === null ? 0 : res;
     }),
     format: formatFn ?? ((_val, row) => <CellStat data={row[dataKey][dataSubkey]} />),
diff --git a/web/gui-v2/src/test/mock-data.js b/web/gui-v2/src/test/mock-data.js
new file mode 100644
index 0000000..df55c03
--- /dev/null
+++ b/web/gui-v2/src/test/mock-data.js
@@ -0,0 +1,87 @@
+
+export const MOCK_COMPANIES = [
+  {
+    cset_id: 1,
+    name: "ABC Corporation",
+    continent: "North America",
+    country: "United States",
+    linkedin: [ "https://example.com" ],
+    groups: {
+      sp500: true,
+      genAI: false,
+    },
+    articles: {
+      ai_publications: { rank: 1, total: 5678 },
+    },
+    patents: {
+      ai_patents: { rank: 3, total: 777 },
+    },
+    other_metrics: {
+      ai_jobs: { rank: 8, total: 45 },
+      tt1_jobs: { rank: 2, total: 250 },
+    },
+  },
+  {
+    cset_id: 2,
+    name: "DEF Corporation",
+    continent: "Europe",
+    country: "Luxembourg",
+    linkedin: [ "https://example.com" ],
+    groups: {
+      sp500: true,
+      genAI: true,
+    },
+    articles: {
+      ai_publications: { rank: 5, total: 1115 },
+    },
+    patents: {
+      ai_patents: { rank: 2, total: 999 },
+    },
+    other_metrics: {
+      ai_jobs: { rank: 3, total: 150 },
+      tt1_jobs: { rank: 7, total: 97 },
+    },
+  },
+  {
+    cset_id: 3,
+    name: "GHI Incorporated",
+    continent: "North America",
+    country: "Canada",
+    linkedin: [ "https://example.com" ],
+    groups: {
+      sp500: false,
+      genAI: true,
+    },
+    articles: {
+      ai_publications: { rank: 8, total: 56 },
+    },
+    patents: {
+      ai_patents: { rank: 14, total: 120 },
+    },
+    other_metrics: {
+      ai_jobs: { rank: 21, total: 12 },
+      tt1_jobs: { rank: 41, total: 22 },
+    },
+  },
+  {
+    cset_id: 4,
+    name: "The JKL Company",
+    continent: "North America",
+    country: "United States",
+    linkedin: [ "https://example.com" ],
+    groups: {
+      sp500: false,
+      genAI: false,
+    },
+    articles: {
+      ai_publications: { rank: 99, total: 1 },
+    },
+    patents: {
+      ai_patents: { rank: 12, total: 135 },
+    },
+    other_metrics: {
+      ai_jobs: { rank: 75, total: 1 },
+      tt1_jobs: { rank: 36, total: 29 },
+    },
+  },
+];