Diamond Transmission Partners RB (Holdings) Limited
Company 10454309 Active
Connected board network
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How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
4 directors on the board
- Yandie Deng Director · appointed 2025
- Tawanda Soshangana Gwatinyanya Director · appointed 2026
- Elizabeth Jo Beswetherick Director · appointed 2019
- James Christopher Heath Director · appointed 2022
3.1y median 2.6y
average tenure
6.9y
longest tenure
Directors past 6 years
- Elizabeth Jo Beswetherick Director · appointed 2019
First-time vs portfolio directors
Portfolio (4)
- Yandie Deng Director · appointed 2025
- Tawanda Soshangana Gwatinyanya Director · appointed 2026
- Elizabeth Jo Beswetherick Director · appointed 2019
- James Christopher Heath Director · appointed 2022
0
also govern a charity
Left in the last 12 months
- Gary Thornton Director · appointed 2016 · resigned 2026
- Matthew John Pitts Director · appointed 2019 · resigned 2025
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
Utilities 49Professional services 7Business services 6Health and social care 6Finance 5Construction 3Dormant 3Property 2
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Related organisations iRelated organisationsTwo groups, both deterministic from public records. Related organisations share two or more directors with this board - a real structural link, such as a subsidiary or group company. Connected through a shared director share exactly one person - a genuine connection, but not the same group.
Related organisations
- Diamond Transmission Partners RB Limited 4 shared directors
- Diamond Transmission Partners Galloper (Holdings) Limited 4 shared directors
- Diamond Transmission Partners Galloper Limited 4 shared directors
- Diamond Transmission Partners Hornsea TWO (Holdings) Limited 4 shared directors
- Diamond Transmission Partners Hornsea TWO Limited 4 shared directors
- Diamond Transmission Partners BBE (Holdings) Limited 3 shared directors
Deterministic, from public records.
Company details
| Number | 10454309 |
| Status | Active |
| Type | Private Limited Company |
| Incorporated | 31/10/2016 |
| Address | 71 KINGSWAY, LONDON, WC2B 6ST |
| Accounts next due | 31/12/2026 |
| Accounts last made up | 31/03/2025 |
Industry (SIC)
35120 - Transmission of electricity
Owned by (3) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Infrastructure Investments Ofto 1 Limited
25-50% shares, 25-50% voting · notified 2019-08-21 - Diamond Transmission UK Limited
50-75% shares, 50-75% voting · notified 2020-05-07 - Diamond Transmission Corporation Limited ceased 2020-02-14
75-100% shares, 75-100% voting, appoints directors · notified 2016-10-31
Owns 1 company iOwnsCompanies where this company is registered as having significant control, from the Companies House PSC (persons with significant control) register.
- Diamond Transmission Partners RB Limited
75-100% shares, 75-100% voting, appoints directors · notified 2016-11-01
Officers (11)
- Tawanda Soshangana Gwatinyanya Director · appointed 2026
- Yandie Deng Director · appointed 2025
- James Christopher Heath Director · appointed 2022
- Elizabeth Jo Beswetherick Director · appointed 2019
Show 7 former officers
- Matthew John Pitts Director · appointed 2019 · resigned 2025
- Foot, David Alexander John, Mr. Director · appointed 2019 · resigned 2022
- Yasushi Umemura Director · appointed 2018 · resigned 2019
- Kwansoo Lee Director · appointed 2018 · resigned 2019
- Hiromasa Ihara Director · appointed 2016 · resigned 2018
- Gary Thornton Director · appointed 2016 · resigned 2026
- Satoshi Shimizu Director · appointed 2016 · resigned 2017
Directors and officers on the Companies House record, current and former.
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