---
title: "TETRA TECH RPS ENERGY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3114b778-5451-5df7-bb2f-7d75550bd8fb
json: https://whiteintel.dev/api/public/dossier/3114b778-5451-5df7-bb2f-7d75550bd8fb
identifier: oo:GB-COH-01465554
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TETRA TECH RPS ENERGY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-01465554`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3114b778-5451-5df7-bb2f-7d75550bd8fb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3114b778-5451-5df7-bb2f-7d75550bd8fb  

## Ownership & control

### Owners / controllers

- **R P S GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/46ad14cc-60e2-5966-9c26-db3665e5dc59
- **R P S Group Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/69cebc6b-d581-415f-89d2-e2f0f66d3e9b

### Holdings / subsidiaries

- **RESERVOIR IMAGING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/fdf1c043-41c0-52ea-8010-15fb9acca689
- **NAUTILUS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e7053605-f1fe-5a3f-9604-6cca53e78a84
- **RUDALL BLANCHARD ASSOCIATES GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a589d48d-3d08-59ff-8c9a-03fcc9f9b781
- **RESERVOIR IMAGING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fdf1c043-41c0-52ea-8010-15fb9acca689
- **NAUTILUS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e7053605-f1fe-5a3f-9604-6cca53e78a84

### UBO chain (walk to the ultimate owner)

A **6-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `01465554`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1979-12-07
- **Registered office:** 101 Park Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RY, United Kingdom
- **SIC:** 09100

### Officers

- MURDOCH, Andrew James — secretary · appointed 2023-10-06
- GAFFNEY, Anthony Thomas — director · British · appointed 2025-08-04
- LEMMON, Richard Alan — director · American · appointed 2023-11-02
- PENDLEBURY, Colin James — director · British · appointed 2022-02-15
- ATTERBURY, Karen Lorraine — secretary · appointed 2022-05-09 · resigned 2023-02-28
- GORMLEY, David Joseph — secretary · appointed 2018-12-04 · resigned 2022-02-04
- HOPSON III, Preston — secretary · appointed 2023-02-28 · resigned 2023-10-06
- JAMES, Linda — secretary · British · resigned 2002-12-31
- RIGBY, April — secretary · British · appointed 2003-09-23 · resigned 2008-09-25
- ROWE, Nicholas — secretary · British · appointed 2008-09-25 · resigned 2018-12-04
- WRAIGHT, Philip — secretary · British · appointed 2002-12-31 · resigned 2003-09-23
- ANDRESEN, Peter Christian — director · British · appointed 1992-07-08 · resigned 2001-04-03
- ARGUS, Roger Ralf — director · American · appointed 2023-11-02 · resigned 2025-07-08
- BRADLY, Graeme James — director · British · appointed 2019-10-01 · resigned 2025-04-01
- BROWNLIE, William — director · American · appointed 2023-02-28 · resigned 2023-11-02
- CAMERON, Henry Alan David — director · British · resigned 1997-06-26
- COOK, Michael Robert — director · British · resigned 2008-10-21
- COTTRELL, Judith — director · British · appointed 2020-04-30 · resigned 2023-02-28
- COTTRELL, Judith — director · British · appointed 2017-08-07 · resigned 2018-10-04
- GILLESPIE, Andrew James — director · British · appointed 2023-02-28 · resigned 2023-11-02

### Beneficial owners (Persons with Significant Control)

- [R P S Group Limited](https://whiteintel.dev/entity/69cebc6b-d581-415f-89d2-e2f0f66d3e9b) — 75–100% shares · corporate PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/01465554
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01465554

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TETRA TECH RPS ENERGY LIMITED**. Human view: https://whiteintel.dev/entity/3114b778-5451-5df7-bb2f-7d75550bd8fb · Structured JSON: https://whiteintel.dev/api/public/dossier/3114b778-5451-5df7-bb2f-7d75550bd8fb._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._