diff --git a/app/Controllers/Admin/Manager.php b/app/Controllers/Admin/Manager.php
index f760937..4741128 100644
--- a/app/Controllers/Admin/Manager.php
+++ b/app/Controllers/Admin/Manager.php
@@ -77,6 +77,8 @@ class Manager extends BaseController
         $rules = [
             'mg_name'  => 'required|max_length[50]',
             'mg_category' => 'required|in_list[company,district,agency]',
+            'mg_affiliation'  => 'permit_empty|max_length[100]',
+            'mg_company_name' => 'permit_empty|max_length[100]',
             'mg_tel'   => 'permit_empty|max_length[20]',
             'mg_phone' => 'permit_empty|max_length[20]',
             'mg_email' => 'permit_empty|valid_email|max_length[100]',
@@ -88,6 +90,8 @@ class Manager extends BaseController
         $this->model->insert([
             'mg_lg_idx'        => admin_effective_lg_idx(),
             'mg_name'          => $this->request->getPost('mg_name'),
+            'mg_affiliation'   => $this->request->getPost('mg_affiliation') ?? '',
+            'mg_company_name'  => $this->request->getPost('mg_company_name') ?? '',
             'mg_dept_code'     => (string) ($this->request->getPost('mg_category') ?? ''),
             'mg_position_code' => $this->request->getPost('mg_position_code') ?? '',
             'mg_tel'           => $this->request->getPost('mg_tel') ?? '',
@@ -126,6 +130,8 @@ class Manager extends BaseController
         $rules = [
             'mg_name'  => 'required|max_length[50]',
             'mg_category' => 'required|in_list[company,district,agency]',
+            'mg_affiliation'  => 'permit_empty|max_length[100]',
+            'mg_company_name' => 'permit_empty|max_length[100]',
             'mg_state' => 'required|in_list[0,1]',
         ];
         if (! $this->validate($rules)) {
@@ -134,6 +140,8 @@ class Manager extends BaseController
 
         $this->model->update($id, [
             'mg_name'          => $this->request->getPost('mg_name'),
+            'mg_affiliation'   => $this->request->getPost('mg_affiliation') ?? '',
+            'mg_company_name'  => $this->request->getPost('mg_company_name') ?? '',
             'mg_dept_code'     => (string) ($this->request->getPost('mg_category') ?? ''),
             'mg_position_code' => $this->request->getPost('mg_position_code') ?? '',
             'mg_tel'           => $this->request->getPost('mg_tel') ?? '',
diff --git a/app/Models/ManagerModel.php b/app/Models/ManagerModel.php
index 2ae9d45..f240b40 100644
--- a/app/Models/ManagerModel.php
+++ b/app/Models/ManagerModel.php
@@ -13,7 +13,8 @@ class ManagerModel extends Model
     protected $returnType    = 'object';
     protected $useTimestamps = false;
     protected $allowedFields = [
-        'mg_lg_idx', 'mg_name', 'mg_dept_code', 'mg_position_code',
+        'mg_lg_idx', 'mg_name', 'mg_affiliation', 'mg_company_name',
+        'mg_dept_code', 'mg_position_code',
         'mg_tel', 'mg_phone', 'mg_email', 'mg_state', 'mg_regdate',
     ];
 }
diff --git a/app/Views/admin/manager/create.php b/app/Views/admin/manager/create.php
index 622becf..39578a3 100644
--- a/app/Views/admin/manager/create.php
+++ b/app/Views/admin/manager/create.php
@@ -10,6 +10,16 @@
       <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_name" type="text" value="<?= esc(old('mg_name')) ?>" required/>
     </div>
 
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">소속</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_affiliation" type="text" value="<?= esc(old('mg_affiliation')) ?>"/>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">상호</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_company_name" type="text" value="<?= esc(old('mg_company_name')) ?>"/>
+    </div>
+
     <div class="flex flex-wrap items-center gap-2">
       <label class="block text-sm font-bold text-gray-700 w-28">담당자 구분 <span class="text-red-500">*</span></label>
       <select class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_category" required>
diff --git a/app/Views/admin/manager/edit.php b/app/Views/admin/manager/edit.php
index 5488e2d..307b90f 100644
--- a/app/Views/admin/manager/edit.php
+++ b/app/Views/admin/manager/edit.php
@@ -10,6 +10,16 @@
       <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_name" type="text" value="<?= esc(old('mg_name', $item->mg_name)) ?>" required/>
     </div>
 
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">소속</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_affiliation" type="text" value="<?= esc(old('mg_affiliation', $item->mg_affiliation ?? '')) ?>"/>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">상호</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_company_name" type="text" value="<?= esc(old('mg_company_name', $item->mg_company_name ?? '')) ?>"/>
+    </div>
+
     <div class="flex flex-wrap items-center gap-2">
       <label class="block text-sm font-bold text-gray-700 w-28">담당자 구분 <span class="text-red-500">*</span></label>
       <select class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="mg_category" required>
diff --git a/app/Views/admin/manager/index.php b/app/Views/admin/manager/index.php
index 4270dbc..8e58b4c 100644
--- a/app/Views/admin/manager/index.php
+++ b/app/Views/admin/manager/index.php
@@ -27,6 +27,8 @@
       <tr class="text-left text-[11px] font-semibold text-gray-500 border-b border-gray-200">
         <th class="py-2.5 px-2 w-16 text-left">번호</th>
         <th class="py-2.5 px-2">담당자명</th>
+        <th class="py-2.5 px-2">소속</th>
+        <th class="py-2.5 px-2">상호</th>
         <th class="py-2.5 px-2">카테고리</th>
         <th class="py-2.5 px-2">전화</th>
         <th class="py-2.5 px-2">휴대전화</th>
@@ -40,6 +42,8 @@
       <tr class="border-b border-gray-200 last:border-0 hover:bg-gray-50">
         <td class="py-2.5 px-2 text-left font-mono text-gray-700"><?= esc($row->mg_idx) ?></td>
         <td class="py-2.5 px-2 font-medium text-gray-900"><?= esc($row->mg_name) ?></td>
+        <td class="py-2.5 px-2 text-gray-600"><?= esc($row->mg_affiliation ?? '') ?></td>
+        <td class="py-2.5 px-2 text-gray-600"><?= esc($row->mg_company_name ?? '') ?></td>
         <td class="py-2.5 px-2">
           <?php
             $cat = (string) ($row->mg_dept_code ?? '');
@@ -67,7 +71,7 @@
       </tr>
       <?php endforeach; ?>
       <?php if (empty($list)): ?>
-      <tr><td colspan="8" class="text-center text-gray-400 py-6">등록된 데이터가 없습니다.</td></tr>
+      <tr><td colspan="10" class="text-center text-gray-400 py-6">등록된 데이터가 없습니다.</td></tr>
       <?php endif; ?>
     </tbody>
   </table>
diff --git a/writable/database/manager_affiliation_company_add.sql b/writable/database/manager_affiliation_company_add.sql
new file mode 100644
index 0000000..e70b495
--- /dev/null
+++ b/writable/database/manager_affiliation_company_add.sql
@@ -0,0 +1,5 @@
+-- 담당자(manager)에 소속·상호 컬럼 추가 (피드백 #23)
+-- MySQL 8.0은 ADD COLUMN IF NOT EXISTS 미지원 → 최초 1회만 실행.
+ALTER TABLE `manager`
+  ADD COLUMN `mg_affiliation`  VARCHAR(100) NOT NULL DEFAULT '' COMMENT '소속' AFTER `mg_name`,
+  ADD COLUMN `mg_company_name` VARCHAR(100) NOT NULL DEFAULT '' COMMENT '상호' AFTER `mg_affiliation`;