diff --git a/apps/sim/app/api/enterprise-owner-claims/[id]/accept/route.ts b/apps/sim/app/api/enterprise-owner-claims/[id]/accept/route.ts
index e9ade0386a5..d88de154171 100644
--- a/apps/sim/app/api/enterprise-owner-claims/[id]/accept/route.ts
+++ b/apps/sim/app/api/enterprise-owner-claims/[id]/accept/route.ts
@@ -14,15 +14,6 @@ export const POST = withRouteHandler(
     if (!session?.user?.id || !session.user.email) {
       return NextResponse.json({ error: 'unauthorized' }, { status: 401 })
     }
-    if (!session.user.emailVerified) {
-      return NextResponse.json(
-        {
-          error: 'email-unverified',
-          message: 'Verify the invited email before accepting Enterprise ownership.',
-        },
-        { status: 403 }
-      )
-    }
     const parsed = await parseRequest(acceptEnterpriseOwnerClaimContract, request, context)
     if (!parsed.success) return parsed.response
     const result = await acceptEnterpriseOwnerClaim({
diff --git a/apps/sim/app/api/enterprise-owner-claims/[id]/route.test.ts b/apps/sim/app/api/enterprise-owner-claims/[id]/route.test.ts
new file mode 100644
index 00000000000..65e2fe04550
--- /dev/null
+++ b/apps/sim/app/api/enterprise-owner-claims/[id]/route.test.ts
@@ -0,0 +1,115 @@
+/**
+ * @vitest-environment node
+ */
+import { authMockFns, createMockRequest } from '@sim/testing'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const mocks = vi.hoisted(() => ({
+  acceptClaim: vi.fn(),
+  getClaimDetails: vi.fn(),
+}))
+
+vi.mock('@/lib/billing/enterprise-owner-claim', () => ({
+  acceptEnterpriseOwnerClaim: mocks.acceptClaim,
+  getEnterpriseOwnerClaimDetails: mocks.getClaimDetails,
+  EnterpriseOwnerClaimEmailMismatchError: class EnterpriseOwnerClaimEmailMismatchError extends Error {},
+  EnterpriseOwnerClaimWorkspaceLimitError: class EnterpriseOwnerClaimWorkspaceLimitError extends Error {},
+}))
+
+vi.mock('@/lib/billing/enterprise-provisioning', () => ({
+  EnterpriseProvisioningError: class EnterpriseProvisioningError extends Error {},
+}))
+
+import { POST } from '@/app/api/enterprise-owner-claims/[id]/accept/route'
+import { GET } from '@/app/api/enterprise-owner-claims/[id]/route'
+
+const claim = {
+  id: 'claim-1',
+  ownerEmail: 'owner@example.com',
+  organizationName: 'Acme',
+  organizationId: null,
+  provisioningOperationId: null,
+  stage: 'owner_acceptance' as const,
+  status: 'awaiting_owner' as const,
+  error: null,
+  expiresAt: '2026-09-04T00:00:00.000Z',
+  createdAt: '2026-08-28T00:00:00.000Z',
+  updatedAt: '2026-08-28T00:00:00.000Z',
+}
+
+describe('Enterprise owner claim routes', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    authMockFns.mockGetSession.mockResolvedValue({
+      user: {
+        id: 'owner-1',
+        name: 'Owner',
+        email: 'owner@example.com',
+        emailVerified: false,
+      },
+    })
+  })
+
+  it('lets the invited account review the mailed claim before email verification', async () => {
+    mocks.getClaimDetails.mockResolvedValue({
+      ...claim,
+      invoiceAmountUsd: 10_000,
+      billingInterval: 'year',
+      seats: 10,
+      invitations: 0,
+      workspacePreview: { workspacesToMove: [], createsDefaultWorkspace: true },
+      acceptanceReview: { canAccept: true, reason: null, requiredSeats: 1 },
+    })
+
+    const response = await GET(
+      createMockRequest(
+        'GET',
+        undefined,
+        {},
+        'http://localhost/api/enterprise-owner-claims/claim-1?token=secure-token'
+      ),
+      { params: Promise.resolve({ id: 'claim-1' }) }
+    )
+
+    expect(response.status).toBe(200)
+    expect(mocks.getClaimDetails).toHaveBeenCalledWith({
+      claimId: 'claim-1',
+      token: 'secure-token',
+      userId: 'owner-1',
+      userEmail: 'owner@example.com',
+    })
+  })
+
+  it('lets the acceptance transaction verify an unverified invited account', async () => {
+    mocks.acceptClaim.mockResolvedValue({
+      success: true,
+      claim,
+      redirectPath: '/workspace',
+    })
+
+    const response = await POST(
+      createMockRequest(
+        'POST',
+        {
+          token: 'secure-token',
+          disclosedWorkspaceIds: [],
+          disclosedCreatesDefaultWorkspace: true,
+        },
+        {},
+        'http://localhost/api/enterprise-owner-claims/claim-1/accept'
+      ),
+      { params: Promise.resolve({ id: 'claim-1' }) }
+    )
+
+    expect(response.status).toBe(200)
+    expect(mocks.acceptClaim).toHaveBeenCalledWith({
+      claimId: 'claim-1',
+      token: 'secure-token',
+      userId: 'owner-1',
+      userEmail: 'owner@example.com',
+      userName: 'Owner',
+      disclosedWorkspaceIds: [],
+      disclosedCreatesDefaultWorkspace: true,
+    })
+  })
+})
diff --git a/apps/sim/app/api/enterprise-owner-claims/[id]/route.ts b/apps/sim/app/api/enterprise-owner-claims/[id]/route.ts
index 36f1c4be80e..2bb2d47b943 100644
--- a/apps/sim/app/api/enterprise-owner-claims/[id]/route.ts
+++ b/apps/sim/app/api/enterprise-owner-claims/[id]/route.ts
@@ -19,15 +19,6 @@ export const GET = withRouteHandler(
     if (!session?.user?.id || !session.user.email) {
       return NextResponse.json({ error: 'unauthorized' }, { status: 401 })
     }
-    if (!session.user.emailVerified) {
-      return NextResponse.json(
-        {
-          error: 'email-unverified',
-          message: 'Verify the invited email before reviewing Enterprise ownership.',
-        },
-        { status: 403 }
-      )
-    }
     const parsed = await parseRequest(getEnterpriseOwnerClaimContract, request, context)
     if (!parsed.success) return parsed.response
     try {
diff --git a/apps/sim/app/enterprise/claim/[id]/enterprise-owner-claim.tsx b/apps/sim/app/enterprise/claim/[id]/enterprise-owner-claim.tsx
index 5b807d39103..c5a0d690700 100644
--- a/apps/sim/app/enterprise/claim/[id]/enterprise-owner-claim.tsx
+++ b/apps/sim/app/enterprise/claim/[id]/enterprise-owner-claim.tsx
@@ -184,9 +184,7 @@ export default function EnterpriseOwnerClaim({ registrationDisabled }: Enterpris
             apiErrorMessage(detailsQuery.error) ??
             (queryErrorCode === 'email-mismatch'
               ? 'This invitation was sent to a different email address.'
-              : queryErrorCode === 'email-unverified'
-                ? 'Verify the invited email, then return to this owner invitation.'
-                : 'This Enterprise invitation is invalid or unavailable.'),
+              : 'This Enterprise invitation is invalid or unavailable.'),
         }
       : null)
   if (error) {
diff --git a/apps/sim/lib/billing/enterprise-owner-claim.test.ts b/apps/sim/lib/billing/enterprise-owner-claim.test.ts
index 18506eeb91d..cd34c17b5ae 100644
--- a/apps/sim/lib/billing/enterprise-owner-claim.test.ts
+++ b/apps/sim/lib/billing/enterprise-owner-claim.test.ts
@@ -3,7 +3,12 @@
  */
 import { db } from '@sim/db'
 import { member, outboxEvent, user, workspace } from '@sim/db/schema'
-import { queueTableRows, resetDbChainMock } from '@sim/testing'
+import {
+  dbChainMockFns,
+  flattenMockConditions,
+  queueTableRows,
+  resetDbChainMock,
+} from '@sim/testing'
 import { afterAll, beforeEach, describe, expect, it, vi } from 'vitest'
 
 const mocks = vi.hoisted(() => ({
@@ -154,6 +159,7 @@ describe('Enterprise future-owner claims', () => {
       error: null,
       updatedAt: now.toISOString(),
     })
+    dbChainMockFns.returning.mockResolvedValue([{ id: 'owner-1' }])
   })
 
   it('rejects the future-owner path when an account already exists', async () => {
@@ -189,6 +195,7 @@ describe('Enterprise future-owner claims', () => {
         disclosedCreatesDefaultWorkspace: false,
       })
     ).resolves.toEqual({ success: false, kind: 'disclosure-outdated' })
+    expect(dbChainMockFns.update).not.toHaveBeenCalled()
     expect(mocks.createOrganization).not.toHaveBeenCalled()
     expect(mocks.enqueue).not.toHaveBeenCalled()
     expect(mocks.process).not.toHaveBeenCalled()
@@ -268,6 +275,11 @@ describe('Enterprise future-owner claims', () => {
       expect.anything(),
       expect.objectContaining({ ownerUserId: 'owner-1', name: 'Acme' })
     )
+    expect(dbChainMockFns.update).toHaveBeenCalledWith(user)
+    expect(dbChainMockFns.set).toHaveBeenCalledWith({
+      emailVerified: true,
+      updatedAt: now,
+    })
     expect(mocks.patchPayload).toHaveBeenCalledWith(
       expect.anything(),
       'claim-1',
@@ -288,6 +300,50 @@ describe('Enterprise future-owner claims', () => {
     )
   })
 
+  it('rejects acceptance when the canonical account email no longer matches the claim', async () => {
+    queueTableRows(outboxEvent, [claimRow()])
+    queueTableRows(member, [])
+    queueTableRows(workspace, [{ id: 'workspace-1' }])
+    dbChainMockFns.returning.mockResolvedValueOnce([])
+
+    await expect(
+      acceptEnterpriseOwnerClaim({
+        claimId: 'claim-1',
+        token: 'secure-token',
+        userId: 'owner-1',
+        userEmail: 'owner@example.com',
+        userName: 'Owner',
+        disclosedWorkspaceIds: ['workspace-1'],
+        disclosedCreatesDefaultWorkspace: false,
+      })
+    ).resolves.toEqual({ success: false, kind: 'email-mismatch' })
+
+    const updateConditions = flattenMockConditions(dbChainMockFns.where.mock.calls.at(-1)?.[0])
+    expect(
+      updateConditions.some(
+        (condition) =>
+          condition.type === 'eq' && condition.left === user.id && condition.right === 'owner-1'
+      )
+    ).toBe(true)
+    const emailScope = updateConditions.find((condition) => condition.type === 'or')
+    const emailConditions = Array.isArray(emailScope?.conditions) ? emailScope.conditions : []
+    expect(
+      emailConditions.some(
+        (condition) =>
+          condition?.type === 'eq' &&
+          condition.left === user.normalizedEmail &&
+          condition.right === request.ownerEmail
+      )
+    ).toBe(true)
+    expect(
+      emailConditions.filter(
+        (condition) => condition?.type === 'eq' && condition.right === request.ownerEmail
+      )
+    ).toHaveLength(2)
+    expect(mocks.createOrganization).not.toHaveBeenCalled()
+    expect(mocks.enqueue).not.toHaveBeenCalled()
+  })
+
   it('activates through the canonical Enterprise issuance operation only after acceptance', async () => {
     const accepted = {
       acceptedAt: '2026-08-20T12:00:00.000Z',
diff --git a/apps/sim/lib/billing/enterprise-owner-claim.ts b/apps/sim/lib/billing/enterprise-owner-claim.ts
index 3634d71718a..b2dab33933f 100644
--- a/apps/sim/lib/billing/enterprise-owner-claim.ts
+++ b/apps/sim/lib/billing/enterprise-owner-claim.ts
@@ -964,6 +964,23 @@ export async function acceptEnterpriseOwnerClaim(params: {
         invitationEmails: payload.request.invitations.map((invitation) => invitation.email),
       })
 
+      const [verifiedOwner] = await tx
+        .update(user)
+        .set({ emailVerified: true, updatedAt: new Date() })
+        .where(
+          and(
+            eq(user.id, params.userId),
+            or(
+              eq(user.normalizedEmail, payload.request.ownerEmail),
+              eq(sql<string>`lower(trim(${user.email}))`, payload.request.ownerEmail)
+            )
+          )
+        )
+        .returning({ id: user.id })
+      if (!verifiedOwner) {
+        return { success: false as const, kind: 'email-mismatch' as const }
+      }
+
       if (createsDefaultWorkspace) {
         const defaultWorkspace = await createDefaultPersonalWorkspaceInTransaction(tx, {
           userId: params.userId,