---
title: "THT PROJECT MANAGEMENT LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a1cc2367-4ccd-561f-9b4e-cd91513d72e5
json: https://whiteintel.dev/api/public/dossier/a1cc2367-4ccd-561f-9b4e-cd91513d72e5
identifier: oo:GB-COH-12400403
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THT PROJECT MANAGEMENT LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-12400403`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a1cc2367-4ccd-561f-9b4e-cd91513d72e5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a1cc2367-4ccd-561f-9b4e-cd91513d72e5  

## Ownership & control

### Owners / controllers

- **Timothy Patrick O'Brien** (beneficial owner) — 50% — https://whiteintel.dev/entity/0a160efd-ec01-5c92-87e9-27e5f7abd6e3
- **Harriet Louise Lopez-O'Brien** (beneficial owner) — 50% — https://whiteintel.dev/entity/ec28e179-e144-5541-b8a7-1e4c2a5ae28e
- **Mr Timothy Patrick O'Brien** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7e3aff86-4119-463c-9b56-4ec87003c3f5
- **Harriet Louise Lopez-O'Brien** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c8977fb5-c8bd-4f5a-b6a9-b8414d7f734d

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

1. **Timothy Patrick O'Brien** — beneficial owner 50% → *THT PROJECT MANAGEMENT LIMITED*
1. **Harriet Louise Lopez-O'Brien** — beneficial owner 50% → *THT PROJECT MANAGEMENT LIMITED*
1. **Mr Timothy Patrick O'Brien** — beneficial owner 37.5% → *THT PROJECT MANAGEMENT LIMITED*
1. **Harriet Louise Lopez-O'Brien** — beneficial owner 37.5% → *THT PROJECT MANAGEMENT LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `12400403`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-01-13
- **Registered office:** Turnpike House, 1208/1210 London Road, Leigh On Sea, Essex, SS9 2UA, United Kingdom
- **SIC:** 43999

### Officers

- LOPEZ-O'BRIEN, Harriet Louise — director · British · appointed 2020-01-13
- O'BRIEN, Timothy Patrick — director · Irish · appointed 2020-01-13

### Beneficial owners (Persons with Significant Control)

- Mr Timothy Patrick O'Brien — 25–50% shares · individual PSC · United Kingdom — since 2020-01-13
- Harriet Louise Lopez-O'Brien — 25–50% shares · individual PSC · United Kingdom — since 2020-01-13

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12400403
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12400403

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THT PROJECT MANAGEMENT LIMITED**. Human view: https://whiteintel.dev/entity/a1cc2367-4ccd-561f-9b4e-cd91513d72e5 · Structured JSON: https://whiteintel.dev/api/public/dossier/a1cc2367-4ccd-561f-9b4e-cd91513d72e5._

_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"._