diff --git a/frontend/components/AppFooter.vue b/frontend/components/AppFooter.vue
index d5ec219..998043c 100644
--- a/frontend/components/AppFooter.vue
+++ b/frontend/components/AppFooter.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 // 공통 푸터 — 모든 페이지에서 동일하게 사용
+import { COMPANY } from '~/shared/constants/company'
 </script>
 
 <template>
@@ -10,16 +11,19 @@
       </NuxtLink>
 
       <div class="foot-company">
-        <p class="foot-name"><span class="dot" /> 이너탭</p>
+        <p class="foot-name"><span class="dot" /> {{ COMPANY.legalNameEn }} ({{ COMPANY.legalName }})</p>
+        <p>CEO: {{ COMPANY.ceo }}</p>
+        <p>Business Registration No.: {{ COMPANY.businessRegNo }}</p>
+        <p>Address: {{ COMPANY.addressEn }}</p>
         <!-- 이메일 라벨+주소를 한 묶음(nowrap)으로 두어, 줄바꿈은 라벨 앞에서만 일어나도록 -->
-        <p>사업자등록번호: 883-81-03100&nbsp;| <span class="foot-email">이메일: <a href="mailto:innertab@gmail.com">innertab@gmail.com</a></span></p>
-        <p>주소: 서울특별시 강남구 삼성동 121-38, 304호</p>
+        <p><span class="foot-email">Email: <a :href="`mailto:${COMPANY.email}`">{{ COMPANY.email }}</a></span></p>
       </div>
 
       <div class="foot-divider" />
 
       <div class="foot-bottom">
         <NuxtLink to="/privacy" class="foot-policy">개인정보처리방침</NuxtLink>
+        <p class="foot-copy">© {{ COMPANY.copyrightYear }} {{ COMPANY.legalNameEn }} All rights reserved.</p>
       </div>
     </div>
   </footer>
@@ -99,7 +103,8 @@ footer {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  gap: 1.25rem; /* 20px */
+  flex-wrap: wrap; /* 모바일 폭에서 저작권 문구가 다음 줄로 내려가도록 */
+  gap: 0.75rem 1.25rem; /* 12px / 20px */
 }
 
 .foot-policy {
@@ -112,4 +117,9 @@ footer {
 .foot-policy:hover {
   color: var(--brand);
 }
+
+.foot-copy {
+  font-size: 0.8125rem; /* 13px */
+  color: var(--ink-soft);
+}
 </style>
diff --git a/frontend/pages/index.vue b/frontend/pages/index.vue
index 8df40d0..c54bdd1 100644
--- a/frontend/pages/index.vue
+++ b/frontend/pages/index.vue
@@ -5,6 +5,7 @@
 import imgUsa from '~/assets/images/img-usa.svg'
 import imgHongkong from '~/assets/images/img-hongkong.svg'
 import imgBrand from '~/assets/images/img-brand.svg'
+import { COMPANY } from '~/shared/constants/company'
 
 const config = useRuntimeConfig()
 const siteUrl = String(config.public.siteUrl || '').replace(/\/$/, '')
@@ -26,18 +27,20 @@ useHead({
       innerHTML: JSON.stringify({
         '@context': 'https://schema.org',
         '@type': 'Organization',
-        name: '이너탭',
-        alternateName: 'innertab',
+        name: COMPANY.brandName,
+        legalName: COMPANY.legalName,
+        alternateName: ['innertab', COMPANY.legalNameEn],
         url: siteUrl,
         logo: `${siteUrl}/images/img-itab.png`,
-        email: 'innertab@gmail.com',
+        email: COMPANY.email,
         foundingDate: '2023',
         address: {
           '@type': 'PostalAddress',
-          addressCountry: 'KR',
-          addressRegion: '서울특별시',
-          addressLocality: '강남구',
-          streetAddress: '삼성동 121-38, 304호',
+          addressCountry: COMPANY.address.country,
+          addressRegion: COMPANY.address.region,
+          addressLocality: COMPANY.address.locality,
+          streetAddress: COMPANY.address.street,
+          postalCode: COMPANY.address.postalCode,
         },
         sameAs: ['https://selite.kr', 'https://retriq.co.kr'],
       }),
diff --git a/frontend/shared/constants/company.ts b/frontend/shared/constants/company.ts
new file mode 100644
index 0000000..f01fa60
--- /dev/null
+++ b/frontend/shared/constants/company.ts
@@ -0,0 +1,22 @@
+// 회사(사업자) 정보 — 푸터·구조화 데이터(JSON-LD) 등에서 공통으로 사용
+// 정보 변경 시 이 파일만 수정하면 사이트 전체에 반영됨
+
+export const COMPANY = {
+  brandName: '이너탭',
+  legalName: '주식회사 이너탭',
+  legalNameEn: 'Innertab Inc.',
+  ceo: 'Gyuho Lee, Kwangseop Yeom',
+  businessRegNo: '883-81-03100',
+  email: 'design@innertab.com',
+  // 푸터 표기용 영문 주소
+  addressEn: '#304, 12 Samseong-ro 103-gil, Gangnam-gu, Seoul 06155, Republic of Korea',
+  // 구조화 데이터용 국문 도로명 주소
+  address: {
+    country: 'KR',
+    region: '서울특별시',
+    locality: '강남구',
+    street: '삼성로103길 12, 304호',
+    postalCode: '06155',
+  },
+  copyrightYear: 2026,
+} as const