# Nuclear Decommissioning Limited

## Details

- **Company number:** [11952605](https://find-and-update.company-information.service.gov.uk/company/11952605)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 17 Apr 2019
- **Registered office:** 3 SOVEREIGN SQUARE, SOVEREIGN STREET, LEEDS, LS1 4ER
- **Nature of business:** [43999](/sic/43999) Other specialised construction activities n.e.c., [71122](/sic/71122) Engineering related scientific and technical consulting activities
- **Corporate group:** [Renew Holdings PLC.](/group/74318) (125 companies)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GILLESPIE, Andrew James | director | 17 Apr 2019 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Tetra Tech Limited | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 10 Oct 2025 |  |
| React Engineering Limited | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 10 Oct 2025 |  |
| Shepley Engineers Limited | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 10 Oct 2025 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 30 Sep 2025 | £4,000 | £17,174 | 0 |
| 30 Sep 2024 | £4,000 | £21,444 | 0 |
| 30 Sep 2023 | £4,000 | £15,411 | 0 |
| 30 Sep 2022 | £4,000 | £17,139 | 0 |
| 30 Sep 2021 | £4,000 | £30,396 | 0 |
| 30 Sep 2020 | £4,000 | £27,832 | 0 |



## Owned by

Nuclear Decommissioning Limited → [React Engineering Limited](/company/02966923) → [React Engineering (Holdings) Limited](/company/04871974) → [React Ventures Limited](/company/11842531)




## Directors' other companies

- [GILLESPIE, Andrew James](/person/5391668) - director at [Tetra Tech Management Services (Northern Ireland) Limited](/company/NI021970)
- [GILLESPIE, Andrew James](/person/5391668) - director at [WYG Consulting Limited](/company/10470582)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Tetra Tech UK Consulting Group Limited](/company/01869543)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Arcadis Tetra Tech 1 Limited](/company/17162691)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Arcadis Tetra Tech 2 Limited](/company/17169076)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Cumbria Nuclear Solutions Limited](/company/05699216)
- [GILLESPIE, Andrew James](/person/5391668) - director at [White Young Green Limited](/company/05111508)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Tetra Tech Limited](/company/01959704)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Cape Insulation Products Limited](/company/01938748)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Trench Farrow Limited](/company/01433914)



## Companies at the same address

- [Arcadis Tetra Tech 1 Limited](/company/17162691) (17162691)
- [Arcadis Tetra Tech 2 Limited](/company/17169076) (17169076)
- [FMW Consultancy Ltd](/company/05760849) (05760849)
- [North Associates (Cumbria) Limited](/company/07493435) (07493435)
- [Signet Planning Limited](/company/05214986) (05214986)
- [Sovereign Trustees Limited](/company/04168236) (04168236)
- [Taylor & Hardy Limited](/company/03977505) (03977505)
- [Tetra Tech Environment Planning Transport Limited](/company/03050297) (03050297)
- [Tetra Tech Group Limited](/company/06595608) (06595608)
- [Tetra Tech Limited](/company/01959704) (01959704)