---
title: "Kotaeru Trust / コタエル信託"
aliases: ["コタエル信託", "コタエル信託株式会社", "Kotaeru Trust"]
domain: trust-banks
created: 2026-05-22
last_updated: 2026-07-29
last_tended: 2026-07-29
review_by: 2026-10-27
confidence: likely
tags: [JapanFG, trust-company, stock-options, startup-finance, public-source]
status: active
sources:
  - "FSA trust company list: https://www.fsa.go.jp/menkyo/menkyoj/sintaku01.pdf"
  - "Kotaeru Trust official site: https://trust.kotaeru.co.jp/"
  - "Kotaeru Trust stock-option service: https://trust.kotaeru.co.jp/service/stockoption/"
---

# Kotaeru Trust / コタエル信託

Wiki route: [[trust-banks/INDEX]] -> [[trust-banks/trust-companies-japan-index]] -> [[trust-banks/kotaeru-trust]]

## Overview

Kotaeru Trust is a management-type trust company whose public materials emphasize trust-type stock options and company incentive-plan solutions. In FinWiki it is the startup / corporate-equity incentive trust route, adjacent to [[finance/japan-large-shareholding-disclosure|equity ownership]] and corporate-finance pages.

## Entity Boundary

This page covers コタエル信託株式会社 as a trust-company operator. It should not be used as a generic tax opinion page on stock options; legal and tax claims need public primary-source support.

## Business Role Map ^[コタエル信託「ストックオプション信託」: https://trust.kotaeru.co.jp/service/stockoption/; 金融庁の現行登録: https://www.fsa.go.jp/menkyo/menkyoj/sintaku01.pdf]

| Route | Reading |
|---|---|
| Stock-option trust | Incentive-plan trust products for startups and listed-company contexts. |
| Corporate finance | Links trust mechanics to equity-incentive design. |
| Securities boundary | Do not infer FIEA classification without [[financial-licenses/securities-license-stack|license-stack]] evidence. |
| Registry control | Row in [[trust-banks/trust-companies-japan-index]]. |

## Public Context

Kotaeru Trust matters because trust-company structures can appear inside startup compensation and equity-incentive planning, not only estate or real-estate contexts. The page gives FinWiki a specific route for this product category while keeping tax controversy analysis separate.

## Research Checklist

1. Track explanatory documents and notices on trust-type stock-option services.
2. Add tax / accounting context only from public official or company materials.
3. Link future startup compensation notes to this route when the trust-company role is explicit.

## Related

- [[trust-banks/trust-companies-japan-index]]
- [[finance/japan-large-shareholding-disclosure]]
- [[finance/japan-shareholder-proposal-and-agm-voting]]
- [[financial-licenses/securities-license-stack]]
- [[INDEX|FinWiki index]]

## Sources

- FSA trust company list: https://www.fsa.go.jp/menkyo/menkyoj/sintaku01.xlsx
- Kotaeru Trust official site: https://trust.kotaeru.co.jp/
- Kotaeru Trust stock-option service: https://trust.kotaeru.co.jp/service/stockoption/