diff --git a/soong_workflow/models/res_company_name_history.py b/soong_workflow/models/res_company_name_history.py
new file mode 100644
index 000000000..93fb2ed9a
--- /dev/null
+++ b/soong_workflow/models/res_company_name_history.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+from odoo import models, fields, api
+
+
+class ResCompanyNameHistory(models.Model):
+    _name = 'res.company.name.history'
+    _description = '公司名称历史'
+    _order = 'start_date'
+    _sql_constraints = [
+        ('unique_company_name_start', 'UNIQUE(company_id, name, start_date)',
+         '同一公司同一名称同一生效日期不可重复录入'),
+    ]
+
+    company_id = fields.Many2one('res.company', string='公司', required=True, ondelete='cascade', index=True)
+    name = fields.Char(string='名称', required=True)
+    start_date = fields.Date(string='生效日期')
+    end_date = fields.Date(string='失效日期')
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    name_history_ids = fields.One2many('res.company.name.history', 'company_id', string='名称历史')
+
+    def name_as_of(self, target_date):
+        """返回目标日期生效的公司名称；无匹配历史记录时返回当前名称。"""
+        self.ensure_one()
+        if not target_date:
+            return self.name
+        target = target_date.date() if hasattr(target_date, 'date') else target_date
+        matched = self.env['res.company.name.history']
+        for h in self.name_history_ids:
+            start = h.start_date
+            end = h.end_date
+            if (not start or start <= target) and (not end or target < end):
+                matched += h
+        if matched:
+            return matched.sorted('start_date')[-1].name
+        return self.name
+