---
title: "GEOPHYSICAL SURVEY TECHNOLOGIES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf
json: https://whiteintel.dev/api/public/dossier/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf
identifier: oo:GB-COH-07431441
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GEOPHYSICAL SURVEY TECHNOLOGIES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07431441`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf  

## Ownership & control

### Owners / controllers

- **Mr Timothy Glyn Southern** (beneficial owner) — 50% — https://whiteintel.dev/entity/a553d7be-3336-580d-89cd-ff25869ee579
- **Mr Nicholas Anthony Tarr** (beneficial owner) — 50% — https://whiteintel.dev/entity/bed8fac1-d66c-5556-a324-6e1cc6c42e05
- **Mr Timothy Glyn Southern** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/43871511-698e-4966-92f4-029e67f39081
- **Mr Nicholas Anthony Tarr** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fbf559d8-c54f-4dd0-b388-98a1c930d234

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

A **4-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:** `07431441`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2010-11-05
- **Registered office:** Derw Bowi, Capel Iwan, Newcastle Emlyn, SA38 9NG, Wales
- **SIC:** 74909

### Officers

- SOUTHERN, Timothy Glyn — director · British · appointed 2010-11-05
- TARR, Nicholas Anthony — director · British · appointed 2010-11-05

### Beneficial owners (Persons with Significant Control)

- Mr Timothy Glyn Southern — 25–50% shares · individual PSC · Wales — since 2016-04-06
- Mr Nicholas Anthony Tarr — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07431441
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07431441

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GEOPHYSICAL SURVEY TECHNOLOGIES LIMITED**. Human view: https://whiteintel.dev/entity/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf · Structured JSON: https://whiteintel.dev/api/public/dossier/b7e951cd-de43-5c22-9ec1-8a5e7b6d06bf._

_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"._