---
title: "大同生命保険"
aliases: ["大同生命", "Daido Life", "Daido Life Insurance", "大同生命保険株式会社"]
domain: life-insurers
created: 2026-05-21
last_updated: 2026-07-30
last_tended: 2026-07-30
review_by: 2026-11-21
confidence: likely
tags: [JapanFG, insurance, life-insurance, td-hd, sme-finance, operating-company]
status: active
sources:
  - "https://www.fsa.go.jp/menkyo/hoken.pdf"
  - "https://www.seiho.or.jp/member/list/"
  - "https://www.daido-life.co.jp/"
---

# 大同生命保険


## Wiki route

This entry sits under [[life-insurers/INDEX|life-insurers INDEX]]. Read it against [[life-insurers/td-financial-life|T&Dフィナンシャル生命保険]] for peer / contrast context and [[insurance/INDEX|insurance index]] for the broader system / regulatory boundary.

## TL;DR

大同生命保険株式会社は、[[life-insurers/td-hd]] group の core life-insurance operating company。金融庁 life-insurer list に掲載され、T&D group 内では中小企業・経営者向け保険に強い specialist として位置付けるべき entity。

## 1. License / group boundary

The following table is scoped to public primary sources (fsa.go.jp, seiho.or.jp, daido-life.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ^[source:fsa.go.jp; seiho.or.jp; daido-life.co.jp]

| Item | Notes |
|---|---|
| Legal name | 大同生命保険株式会社 |
| License route | Insurance Business Act life-insurance company; FSA life insurer list |
| Industry body | Life Insurance Association of Japan member |
| Group boundary | [[life-insurers/td-hd]] operating company |
| Wiki role | SME / owner-oriented life-insurance specialist within T&D group |

## 2. Operating model

T&D group は [[life-insurers/taiyo-life]]、大同生命、T&Dフィナンシャル生命を中心に構成される。大同生命は、mass household market というより、中小企業・法人 owner protection, succession, employee benefit, tax / accounting advisor channel の観点で見ると理解しやすい。

FinWiki では SME finance と insurance distribution の交差点として、bank lending, credit guarantee, SME owner risk management と接続できる page にする。

## 3. Why this page matters

- Parent [[life-insurers/td-hd]] page alone does not explain the SME / owner-insurance operating model.
- Useful for comparing corporate-owner channels with traditional household life-insurance channels.
- Completes one of the major D1 life-insurer gaps.

## Related

- [[life-insurers/td-hd]]
- [[life-insurers/taiyo-life]]
- [[insurance/life-insurance-channel-mix]]
- [[financial-regulators/jfc]]
- [[policy-finance/INDEX]]

## Sources

- FSA: life-insurance company license list, as of 2026-04-13.
- Life Insurance Association of Japan: member-company list, as of 2026-04-13.
- 大同生命 official website.