# Tetra Tech International Development Limited

## Details

- **Company number:** [03799145](https://find-and-update.company-information.service.gov.uk/company/03799145)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 1 Jul 1999
- **Registered office:** 1 NORTHFIELD ROAD, READING, BERKSHIRE, RG1 8AH
- **Nature of business:** [70229](/sic/70229) Management consultancy activities other than financial management
- **Corporate group:** [Renew Holdings PLC.](/group/74318) (124 companies)


## Previous names

- Coffey International Development Limited (until 4 Mar 2020)
- Enterplan Limited (until 29 Jun 2007)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| EVANS, Matthew John | director | 1 Sep 2021 | 7 Jul 2026 |
| GILLESPIE, Andrew James | director | 7 Jul 2026 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Tetra Tech International Development Europe Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors, right-to-appoint-and-remove-directors-as-trust, right-to-appoint-and-remove-directors-as-firm | 7 Apr 2016 | 1 Jul 2021 |
| Tetra Tech International Development Europe Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 |  |



## Accounts

| Year ended | Turnover | Net assets | Cash | Employees |
|---|---|---|---|---|
| 28 Sep 2025 | £29,822,000 | £9,397,000 | £1,251,000 | 85 |
| 30 Sep 2024 | £30,458,000 | £9,293,000 | £1,533,000 | 90 |
| 30 Sep 2023 | £22,935,000 | £8,584,000 | £754,000 | 98 |
| 30 Sep 2022 | £28,185,000 | £9,423,000 | £5,423,000 | 110 |
| 30 Sep 2021 | £37,045,000 | £8,845,000 | £2,795,000 | 100 |
| 30 Sep 2019 | £42,748,000 | £5,910,000 | £7,172,000 | 91 |



## Owned by

Tetra Tech International Development Limited → [Tetra Tech International Development Europe Limited](/company/04120956) → [Tetra Tech UK Limited](/company/12241404) → [Tetra Tech UK Holdings Limited](/company/05909611)




## 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

- [Tetra Tech International Development Europe Limited](/company/04120956) (04120956)