# Tetra Tech Limited

## Details

- **Company number:** [01959704](https://find-and-update.company-information.service.gov.uk/company/01959704)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 15 Nov 1985
- **Registered office:** 3 SOVEREIGN SQUARE, SOVEREIGN STREET, LEEDS, LS1 4ER
- **Nature of business:** [71129](/sic/71129) Other engineering activities
- **Corporate group:** [Renew Holdings PLC.](/group/74318) (124 companies)


## Previous names

- White Young Green Consulting Limited (until 1 Jul 2008)
- WYG Engineering Limited (until 30 Dec 2020)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GILLESPIE, Andrew James | director | 14 Oct 2010 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Tetra Tech Group Limited | ownership-of-shares-75-to-100-percent | 6 Apr 2016 |  |




## Owned by

Tetra Tech Limited → [Tetra Tech Group Limited](/company/06595608) → [Tetra Tech UK Consulting Group Limited](/company/01869543) → [Tetra Tech UK Holdings Limited](/company/05909611)



## Controls

- [Arcadis Tetra Tech 1 Limited](/company/17162691) (17162691)
- [Arcadis Tetra Tech 2 Limited](/company/17169076) (17169076)
- [Nuclear Decommissioning Limited](/company/11952605) (11952605)
- [Tetra Tech Consulting (NI) Limited](/company/NI667243) (NI667243)
- [Trench Farrow Limited](/company/01433914) (01433914)
- [White Young Green Limited](/company/05111508) (05111508)



## 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 [Cape Insulation Products Limited](/company/01938748)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Nuclear Decommissioning Limited](/company/11952605)
- [GILLESPIE, Andrew James](/person/5391668) - director at [Trench Farrow Limited](/company/01433914)



## Companies at the same address

- [Alliance Environment And Planning Limited](/company/03598361) (03598361)
- [Arcadis Tetra Tech 1 Limited](/company/17162691) (17162691)
- [Arcadis Tetra Tech 2 Limited](/company/17169076) (17169076)
- [FMW Consultancy Ltd](/company/05760849) (05760849)
- [Neil Allen Associates Limited](/company/06165280) (06165280)
- [North Associates (Cumbria) Limited](/company/07493435) (07493435)
- [Nuclear Decommissioning Limited](/company/11952605) (11952605)
- [Signet Planning Limited](/company/05214986) (05214986)
- [Sovereign Trustees Limited](/company/04168236) (04168236)
- [Taylor & Hardy Limited](/company/03977505) (03977505)