---
title: "TRINSEO PUBLIC LIMITED COMPANY — Ownership Dossier"
canonical: https://whiteintel.dev/entity/55a00a53-f747-5335-95c6-e8a0325ae4f8
json: https://whiteintel.dev/api/public/dossier/55a00a53-f747-5335-95c6-e8a0325ae4f8
identifier: lei:549300TJ3HIGDA2Z8315
jurisdiction: IE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TRINSEO PUBLIC LIMITED COMPANY

**Type:** Company  
**Jurisdiction:** IE  
**Identifier:** `lei:549300TJ3HIGDA2Z8315`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/55a00a53-f747-5335-95c6-e8a0325ae4f8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/55a00a53-f747-5335-95c6-e8a0325ae4f8  

## Registry profile

- **Status:** LAPSED  
- **Legal form:** `VYAX`  
- **Source:** GLEIF  

## Ownership & control

### Holdings / subsidiaries

- **TRINSEO KOREA LTD.** (ultimate parent) — https://whiteintel.dev/entity/81268172-3636-5e6d-8ff7-0864cfff1392
- **Trinseo Europe GmbH** (parent) — https://whiteintel.dev/entity/468785df-4f43-55af-9bff-c7290704e7f4
- **TRINSEO HOLDINGS ASIA PTE. LTD.** (ultimate parent) — https://whiteintel.dev/entity/78a63679-4510-5c5f-989c-da761171dba0
- **TRINSEO DEUTSCHLAND GMBH** (ultimate parent) — https://whiteintel.dev/entity/4ff34818-3064-5fb3-acfa-021fc33aad95
- **Trinseo Europe GmbH** (ultimate parent) — https://whiteintel.dev/entity/468785df-4f43-55af-9bff-c7290704e7f4
- **ALTUGLAS LLC** (ultimate parent) — https://whiteintel.dev/entity/b629ab0c-a2c9-543b-8338-2a325d61ea89
- **TRINSEO BELGIUM** (ultimate parent) — https://whiteintel.dev/entity/3c6cd714-b1a5-55ed-b1c4-8143d88891d0
- **TRINSEO DEUTSCHLAND ANLAGENGESELLSCHAFT MBH** (ultimate parent) — https://whiteintel.dev/entity/1cac99cf-8322-5039-ab9d-f61808c5a529
- **TRINSEO NETHERLANDS B.V.** (ultimate parent) — https://whiteintel.dev/entity/b926b1f7-dd85-549d-9850-1f078e91ecd4
- **TRINSEO IRELAND GLOBAL IHB LIMITED** (ultimate parent) — https://whiteintel.dev/entity/ead283d9-890e-59fb-94c2-0b353ebf01f7
- **TRINSEO UK LIMITED** (ultimate parent) — https://whiteintel.dev/entity/3743356e-16bf-5095-bc0e-7557d30910a0
- **PT TRINSEO MATERIALS INDONESIA** (ultimate parent) — https://whiteintel.dev/entity/b64a6794-d6b1-5743-a200-215dd09233f3
- **TRINSEO FINANCE IRELAND UNLIMITED COMPANY** (ultimate parent) — https://whiteintel.dev/entity/be4bc999-8c0f-5b00-9a56-99a17120eebb
- **TRINSEO FINANCE IRELAND UNLIMITED COMPANY** (parent) — https://whiteintel.dev/entity/be4bc999-8c0f-5b00-9a56-99a17120eebb
- **Trinseo Sverige AB** (ultimate parent) — https://whiteintel.dev/entity/8746851b-95ef-5fcf-b208-8060573c9975
- **TRINSEO FRANCE SAS** (ultimate parent) — https://whiteintel.dev/entity/9ce17470-3e24-5df0-a741-2947017603a9
- **TRINSEO EXPORT GMBH** (ultimate parent) — https://whiteintel.dev/entity/a2b678dc-7784-5274-8fc7-0b9f39105642
- **Trinseo Holding S.à r.l.** (ultimate parent) — https://whiteintel.dev/entity/e9f26c58-f80b-528e-a139-b611a09dd1dc
- **API INDUSTRIAL PLASTICS APPLICATIONS SPA** (ultimate parent) — https://whiteintel.dev/entity/166d3322-5d27-54c1-9fe7-74b387650d7c
- **TRINSEO INDIA TRADING PRIVATE LIMITED** (ultimate parent) — https://whiteintel.dev/entity/6a7b336a-a6e2-51e8-98c7-08cad434834b
- **TRINSEO CANADA ULC** (ultimate parent) — https://whiteintel.dev/entity/78a217f1-f123-578d-986d-6459bcf14863
- **Trinseo (Hong Kong) Limited** (ultimate parent) — https://whiteintel.dev/entity/362b967d-0d42-586d-a286-dc434b5c721e
- **TRINSEO JAPAN Y.K.** (ultimate parent) — https://whiteintel.dev/entity/2192eb5a-883c-5032-b9f0-c594f784ba39
- **Trinseo Suomi Oy** (ultimate parent) — https://whiteintel.dev/entity/4b869b08-e89a-5684-ae38-82725cfcc256
- **TRINSEO HOLDING B.V.** (ultimate parent) — https://whiteintel.dev/entity/e0a6718b-88d1-545a-b992-30f3f750cdb7
- **TRINSEO HOLDING B.V.** (parent) — https://whiteintel.dev/entity/e0a6718b-88d1-545a-b992-30f3f750cdb7

## Provenance

- GLEIF — https://search.gleif.org/#/record/549300TJ3HIGDA2Z8315

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TRINSEO PUBLIC LIMITED COMPANY**. Human view: https://whiteintel.dev/entity/55a00a53-f747-5335-95c6-e8a0325ae4f8 · Structured JSON: https://whiteintel.dev/api/public/dossier/55a00a53-f747-5335-95c6-e8a0325ae4f8._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._