diff --git a/apps/web/src/components/ui/skeleton.tsx b/apps/web/src/components/ui/skeleton.tsx
new file mode 100644
index 0000000..2b4045c
--- /dev/null
+++ b/apps/web/src/components/ui/skeleton.tsx
@@ -0,0 +1,12 @@
+import { cn } from "@/lib/utils"
+
+function Skeleton({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      className={cn("animate-pulse rounded-md bg-muted", className)}
+      {...props}
+    />
+  )
+}
+
+export { Skeleton }
diff --git a/apps/web/src/routes/hq.test.tsx b/apps/web/src/routes/hq.test.tsx
new file mode 100644
index 0000000..818fc63
--- /dev/null
+++ b/apps/web/src/routes/hq.test.tsx
@@ -0,0 +1,156 @@
+// @vitest-environment happy-dom
+import '@testing-library/jest-dom/vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import { vi, describe, it, expect, beforeEach } from 'vitest'
+
+const mockUseQuery = vi.hoisted(() => vi.fn())
+vi.mock('@/lib/trpc', () => ({
+  trpc: {
+    getHeadquartersDashboard: { useQuery: mockUseQuery },
+  },
+}))
+
+vi.mock('@/hooks', () => ({
+  useLiveUpdates: vi.fn(),
+  LiveUpdateRule: undefined,
+}))
+
+vi.mock('@/components/hq/HQWaitingForInputSection', () => ({
+  HQWaitingForInputSection: ({ items }: any) => <div data-testid="waiting">{items.length}</div>,
+}))
+
+vi.mock('@/components/hq/HQNeedsReviewSection', () => ({
+  HQNeedsReviewSection: ({ initiatives, phases }: any) => (
+    <div data-testid="needs-review">{initiatives.length},{phases.length}</div>
+  ),
+}))
+
+vi.mock('@/components/hq/HQNeedsApprovalSection', () => ({
+  HQNeedsApprovalSection: ({ items }: any) => <div data-testid="needs-approval">{items.length}</div>,
+}))
+
+vi.mock('@/components/hq/HQBlockedSection', () => ({
+  HQBlockedSection: ({ items }: any) => <div data-testid="blocked">{items.length}</div>,
+}))
+
+vi.mock('@/components/hq/HQEmptyState', () => ({
+  HQEmptyState: () => <div data-testid="empty-state">All clear</div>,
+}))
+
+// Import after mocks are set up
+import { HeadquartersPage } from './hq'
+
+const emptyData = {
+  waitingForInput: [],
+  pendingReviewInitiatives: [],
+  pendingReviewPhases: [],
+  planningInitiatives: [],
+  blockedPhases: [],
+}
+
+describe('HeadquartersPage', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('renders skeleton loading state', () => {
+    mockUseQuery.mockReturnValue({ isLoading: true, isError: false, data: undefined })
+    render(<HeadquartersPage />)
+
+    // Should show heading
+    expect(screen.getByText('Headquarters')).toBeInTheDocument()
+    // Should show skeleton elements (there are 3)
+    const skeletons = document.querySelectorAll('[class*="skeleton"], [class*="h-16"]')
+    expect(skeletons.length).toBeGreaterThan(0)
+    // No section components
+    expect(screen.queryByTestId('waiting')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('needs-review')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('needs-approval')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('blocked')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('empty-state')).not.toBeInTheDocument()
+  })
+
+  it('renders error state with retry button', () => {
+    const mockRefetch = vi.fn()
+    mockUseQuery.mockReturnValue({ isLoading: false, isError: true, data: undefined, refetch: mockRefetch })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByText('Failed to load headquarters data.')).toBeInTheDocument()
+    const retryButton = screen.getByRole('button', { name: /retry/i })
+    expect(retryButton).toBeInTheDocument()
+
+    fireEvent.click(retryButton)
+    expect(mockRefetch).toHaveBeenCalledOnce()
+  })
+
+  it('renders empty state when all arrays are empty', () => {
+    mockUseQuery.mockReturnValue({ isLoading: false, isError: false, data: emptyData })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByTestId('empty-state')).toBeInTheDocument()
+    expect(screen.queryByTestId('waiting')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('needs-review')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('needs-approval')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('blocked')).not.toBeInTheDocument()
+  })
+
+  it('renders WaitingForInput section when items exist', () => {
+    mockUseQuery.mockReturnValue({
+      isLoading: false,
+      isError: false,
+      data: { ...emptyData, waitingForInput: [{ id: '1' }] },
+    })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByTestId('waiting')).toBeInTheDocument()
+    expect(screen.queryByTestId('needs-review')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('needs-approval')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('blocked')).not.toBeInTheDocument()
+    expect(screen.queryByTestId('empty-state')).not.toBeInTheDocument()
+  })
+
+  it('renders all four sections when all arrays have items', () => {
+    mockUseQuery.mockReturnValue({
+      isLoading: false,
+      isError: false,
+      data: {
+        waitingForInput: [{ id: '1' }],
+        pendingReviewInitiatives: [{ id: '2' }],
+        pendingReviewPhases: [{ id: '3' }],
+        planningInitiatives: [{ id: '4' }],
+        blockedPhases: [{ id: '5' }],
+      },
+    })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByTestId('waiting')).toBeInTheDocument()
+    expect(screen.getByTestId('needs-review')).toBeInTheDocument()
+    expect(screen.getByTestId('needs-approval')).toBeInTheDocument()
+    expect(screen.getByTestId('blocked')).toBeInTheDocument()
+    expect(screen.queryByTestId('empty-state')).not.toBeInTheDocument()
+  })
+
+  it('renders NeedsReview section when only pendingReviewInitiatives has items', () => {
+    mockUseQuery.mockReturnValue({
+      isLoading: false,
+      isError: false,
+      data: { ...emptyData, pendingReviewInitiatives: [{ id: '1' }] },
+    })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByTestId('needs-review')).toBeInTheDocument()
+    expect(screen.queryByTestId('empty-state')).not.toBeInTheDocument()
+  })
+
+  it('renders NeedsReview section when only pendingReviewPhases has items', () => {
+    mockUseQuery.mockReturnValue({
+      isLoading: false,
+      isError: false,
+      data: { ...emptyData, pendingReviewPhases: [{ id: '1' }] },
+    })
+    render(<HeadquartersPage />)
+
+    expect(screen.getByTestId('needs-review')).toBeInTheDocument()
+    expect(screen.queryByTestId('empty-state')).not.toBeInTheDocument()
+  })
+})
diff --git a/apps/web/src/routes/hq.tsx b/apps/web/src/routes/hq.tsx
index 919f2dd..dea4865 100644
--- a/apps/web/src/routes/hq.tsx
+++ b/apps/web/src/routes/hq.tsx
@@ -1,11 +1,81 @@
 import { createFileRoute } from "@tanstack/react-router";
 import { motion } from "motion/react";
+import { trpc } from "@/lib/trpc";
+import { useLiveUpdates, type LiveUpdateRule } from "@/hooks";
+import { Skeleton } from "@/components/ui/skeleton";
+import { Button } from "@/components/ui/button";
+import { HQWaitingForInputSection } from "@/components/hq/HQWaitingForInputSection";
+import { HQNeedsReviewSection } from "@/components/hq/HQNeedsReviewSection";
+import { HQNeedsApprovalSection } from "@/components/hq/HQNeedsApprovalSection";
+import { HQBlockedSection } from "@/components/hq/HQBlockedSection";
+import { HQEmptyState } from "@/components/hq/HQEmptyState";
 
 export const Route = createFileRoute("/hq")({
   component: HeadquartersPage,
 });
 
-function HeadquartersPage() {
+const HQ_LIVE_UPDATE_RULES: LiveUpdateRule[] = [
+  { prefix: "initiative:", invalidate: ["getHeadquartersDashboard"] },
+  { prefix: "phase:", invalidate: ["getHeadquartersDashboard"] },
+  { prefix: "agent:", invalidate: ["getHeadquartersDashboard"] },
+];
+
+export function HeadquartersPage() {
+  useLiveUpdates(HQ_LIVE_UPDATE_RULES);
+  const query = trpc.getHeadquartersDashboard.useQuery();
+
+  if (query.isLoading) {
+    return (
+      <motion.div
+        className="mx-auto max-w-4xl space-y-6"
+        initial={{ opacity: 0, y: 8 }}
+        animate={{ opacity: 1, y: 0 }}
+        transition={{ duration: 0.3 }}
+      >
+        <div>
+          <h1 className="text-xl font-semibold">Headquarters</h1>
+          <p className="text-sm text-muted-foreground">
+            Items waiting for your attention.
+          </p>
+        </div>
+        <div className="space-y-4">
+          {[1, 2, 3].map((i) => (
+            <Skeleton key={i} className="h-16 w-full rounded-lg" />
+          ))}
+        </div>
+      </motion.div>
+    );
+  }
+
+  if (query.isError) {
+    return (
+      <motion.div
+        className="mx-auto max-w-4xl space-y-6"
+        initial={{ opacity: 0, y: 8 }}
+        animate={{ opacity: 1, y: 0 }}
+        transition={{ duration: 0.3 }}
+      >
+        <div className="flex flex-col items-center justify-center py-24 gap-3 text-center">
+          <p className="text-sm text-muted-foreground">
+            Failed to load headquarters data.
+          </p>
+          <Button variant="outline" size="sm" onClick={() => query.refetch()}>
+            Retry
+          </Button>
+        </div>
+      </motion.div>
+    );
+  }
+
+  const data = query.data!;
+
+  const hasAny =
+    data.waitingForInput.length > 0 ||
+    data.pendingReviewInitiatives.length > 0 ||
+    data.pendingReviewPhases.length > 0 ||
+    data.planningInitiatives.length > 0 ||
+    data.blockedPhases.length > 0;
+
   return (
     <motion.div
       className="mx-auto max-w-4xl space-y-6"
@@ -19,7 +89,29 @@ function HeadquartersPage() {
           Items waiting for your attention.
         </p>
       </div>
-      {/* Sections implemented in next phase */}
+
+      {!hasAny ? (
+        <HQEmptyState />
+      ) : (
+        <div className="space-y-8">
+          {data.waitingForInput.length > 0 && (
+            <HQWaitingForInputSection items={data.waitingForInput} />
+          )}
+          {(data.pendingReviewInitiatives.length > 0 ||
+            data.pendingReviewPhases.length > 0) && (
+            <HQNeedsReviewSection
+              initiatives={data.pendingReviewInitiatives}
+              phases={data.pendingReviewPhases}
+            />
+          )}
+          {data.planningInitiatives.length > 0 && (
+            <HQNeedsApprovalSection items={data.planningInitiatives} />
+          )}
+          {data.blockedPhases.length > 0 && (
+            <HQBlockedSection items={data.blockedPhases} />
+          )}
+        </div>
+      )}
     </motion.div>
   );
 }