--- title: "DIAMOND TRANSMISSION CORPORATION LIMITED — Ownership Dossier" canonical: https://whiteintel.dev/entity/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 json: https://whiteintel.dev/api/public/dossier/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 identifier: oo:GB-COH-08483128 jurisdiction: GB risk: Low source: WhiteIntel corporate-ownership graph --- # DIAMOND TRANSMISSION CORPORATION LIMITED **Type:** Company **Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb) **Identifier:** `oo:GB-COH-08483128` **Risk level:** Low **Canonical dossier:** https://whiteintel.dev/entity/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 **Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 ## Cross-source identity The same real-world entity, resolved across sources: - **DIAMOND TRANSMISSION CORPORATION LIMITED** — GLEIF · `lei:2138003BFF7ZPQZA6B02` — https://whiteintel.dev/entity/d677735d-f6c1-51d8-92fd-5bc739f15071 ## Ownership & control ### Owners / controllers - **Mitsubishi Corporation** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5f3cf660-9a54-45e2-a62f-2e7eb0fa8d6b ### Holdings / subsidiaries - **DIAMOND TRANSMISSION PARTNERS BBE (HOLDINGS) LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/52b04601-4c0d-53c8-963e-2873b57464a4 - **DIAMOND TRANSMISSION PARTNERS RB (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e802fb1b-ce35-547e-8560-feb3cd4b3cf1 - **DIAMOND TRANSMISSION PARTNERS HORNSEA TWO (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8631f711-453e-53cd-addd-dd8f5e3bb174 - **DIAMOND TRANSMISSION UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/bc25db06-e2f3-5a4f-aa3e-f0b606d321e2 - **DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/480df35f-aec0-5699-8829-b4e41765cae7 - **BLUE TRANSMISSION LONDON ARRAY (HOLDINGS) LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/cf9cfe34-72ff-4d5a-81e1-41b4fd0e7fae - **DIAMOND TRANSMISSION PARTNERS BBE (HOLDINGS) LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/52b04601-4c0d-53c8-963e-2873b57464a4 - **DIAMOND TRANSMISSION PARTNERS GALLOPER (HOLDINGS) LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/99a5c3f1-4aaa-5a03-8097-0b51a3672a2d - **DIAMOND TRANSMISSION PARTNERS GALLOPER (HOLDINGS) LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/99a5c3f1-4aaa-5a03-8097-0b51a3672a2d - **DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/480df35f-aec0-5699-8829-b4e41765cae7 - **BLUE TRANSMISSION SHERINGHAM SHOAL (HOLDINGS) LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6cde2d5d-da5d-49d5-998f-044ef13b03c0 - **DIAMOND TRANSMISSION UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bc25db06-e2f3-5a4f-aa3e-f0b606d321e2 …and **9** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing. ### UBO chain (walk to the ultimate owner) A **1-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing. ## Company profile (live · UK Companies House) - **Company number:** `08483128` - **Status:** liquidation - **Type:** ltd - **Incorporated:** 2013-04-11 - **Registered office:** Belfast Restructuring Cases, One St. Peters Square, Manchester, United Kingdom, M2 3AE - **SIC:** 35120 ### Officers - IWASAKI, Yoshihiro — director · Japanese · appointed 2025-03-25 - MURAKAMI, Rikako — director · Japanese · appointed 2025-03-25 - FUKUHARA, Kentaro — director · Japanese · appointed 2019-08-01 · resigned 2020-09-25 - HASEGAWA, Yoshiaki — director · Japanese · appointed 2023-05-20 · resigned 2025-03-25 - HAYASHIBARA, Yumi — director · Japanese · appointed 2022-05-01 · resigned 2023-05-20 - IHARA, Hiromasa — director · Japanese · appointed 2016-04-01 · resigned 2018-03-26 - INANO, Shigeru — director · Japanese · appointed 2021-04-01 · resigned 2025-03-25 - IWAI, Satoshi — director · Japanese · appointed 2013-04-11 · resigned 2015-03-20 - IWASAKI, Yoshihiro — director · Japanese · appointed 2013-04-11 · resigned 2016-04-01 - KAWAKAMI, Kazuyoshi — director · Japanese · appointed 2017-05-01 · resigned 2019-03-26 - KIMURA, Hideyuki — director · Japanese · appointed 2016-04-01 · resigned 2017-05-01 - KINOSHITA, Naoto, Mr. — director · Japanese · appointed 2019-05-10 · resigned 2023-04-01 - KOHAMA, Masanori — director · Japanese · appointed 2013-04-11 · resigned 2016-04-01 - KONO, Keitaro — director · Japanese · appointed 2018-07-02 · resigned 2020-08-17 - KUROSAWA, Akihiro, Mr. — director · Japanese · appointed 2015-05-13 · resigned 2017-05-01 - MATSUDA, Tatsuki — director · Japanese · appointed 2023-04-01 · resigned 2025-03-25 - MATSUNAGA, Aiichiro — director · Japanese · appointed 2013-04-11 · resigned 2014-03-01 - MURAMIYA, Masanobu — director · Japanese · appointed 2016-04-01 · resigned 2021-04-01 - NAKAJIMA, Masaru — director · Japanese · appointed 2017-05-01 · resigned 2018-07-02 - NIWA, Hiroko — director · Japanese · appointed 2019-03-26 · resigned 2019-08-01 ### Beneficial owners (Persons with Significant Control) - [Mitsubishi Corporation](https://whiteintel.dev/entity/5f3cf660-9a54-45e2-a62f-2e7eb0fa8d6b) — 75–100% shares · corporate PSC · Japan — since 2016-04-06 ## Provenance - companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08483128 - OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08483128 ## Get the full, resolved dossier (agent-callable) The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent: ```bash npx -y @whiteintel/mcp-server # then: get_dossier · trace_ownership_path · check_offshore_exposure ``` Or unlock a one-off cited dossier for **DIAMOND TRANSMISSION CORPORATION LIMITED** — https://whiteintel.dev/entity/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 · pricing https://whiteintel.dev/pricing. --- _This is the markdown-for-agents view of the WhiteIntel dossier for **DIAMOND TRANSMISSION CORPORATION LIMITED**. Human view: https://whiteintel.dev/entity/9eda51a6-8e50-5b68-9ecd-1a892809d3f3 · Structured JSON: https://whiteintel.dev/api/public/dossier/9eda51a6-8e50-5b68-9ecd-1a892809d3f3._ _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"._