# Rakuten Symphony UK Ltd

## Details

- **Company number:** [07722775](https://find-and-update.company-information.service.gov.uk/company/07722775)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 29 Jul 2011
- **Registered office:** VINTNERS PLACE, 68 UPPER THAMES STREET, LONDON, EC4V 3BJ
- **Nature of business:** [61200](/sic/61200) Wireless telecommunications activities


## Previous names

- Altiostar Networks UK Ltd (until 12 Jan 2022)
- Sigalgo Technology Ltd (until 12 Mar 2013)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| VIEUXMAIRE, Michel | director | 30 May 2012 | 12 Jul 2012 |
| IBISON, John Nicholas | director | 30 May 2012 | 12 Jul 2012 |
| MCCALMAN, Hugh Roger | director | 29 Jul 2011 | 12 Jul 2012 |
| MUHUNTHAN, Kanagaratnam | director | 29 Jul 2011 | 30 Sep 2022 |
| KAHHALE, Pierre | director | 12 Jul 2012 | 30 Jun 2023 |
| DELEA, John | director | 12 Jul 2012 | 28 Jul 2023 |
| AMIN, Tareq, Mr. | director | 19 Jun 2023 | 7 Aug 2023 |
| TAMURA, Atsushi, Mr. | director | 19 Jun 2023 | 29 Feb 2024 |
| KARAISKOS, Anastasi | director | 19 Jun 2023 | 31 May 2025 |
| SATO, Satoshi | director | 10 May 2024 | 3 Feb 2026 |
| HIRAMA, Hideyuki, Mr. | director | 19 Jun 2023 | 3 Feb 2026 |
| KURAMOTO, Ken | director | 2 Feb 2026 |  |
| OKUBO, Kimihiro | director | 2 Feb 2026 |  |
| SCHU, Reinhard | director | 12 May 2025 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Rakuten Group, Inc. | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 4 Aug 2021 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2024 | - | £1,492,288 | 29 |
| 31 Dec 2022 | £2,036,432 | £791,566 | 24 |
| 31 Dec 2013 | - | £106,619 | - |
| 31 Dec 2012 | - | £33,846 | - |





## Directors' other companies

- [SCHU, Reinhard](/person/7781349) - director at [Megafanstore Marketing Ltd](/company/10427248)



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