---
title: "STUDBOLT MANUFACTURING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81
json: https://whiteintel.dev/api/public/dossier/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81
identifier: oo:GB-COH-04670230
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STUDBOLT MANUFACTURING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04670230`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81  

## Ownership & control

### Owners / controllers

- **HYDROBOLT GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f53ad3dc-846f-5c6b-b899-9fb33458bf7e
- **Hydrobolt Group Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fe93db83-ad15-465c-b2da-735c8070adfe

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

A **10-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:** `04670230`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2003-02-19
- **Registered office:** Universal Point, Steelmans Road, Wednesbury, West Midlands, WS10 9UZ
- **SIC:** 25940

### Officers

- AINSWORTH, Jonathan Mark — director · British · appointed 2021-05-07
- SHAW, Natalie Amanda — director · British · appointed 2024-04-11
- LAWTON, Philip James — secretary · appointed 2014-03-31 · resigned 2024-04-11
- ROBERTSON, Zoe Sheila — secretary · appointed 2024-04-11 · resigned 2024-08-16
- SPRUCE, Michael Frederick — secretary · British · appointed 2003-02-19 · resigned 2007-06-06
- TABNER, Stephen John — secretary · British · appointed 2007-06-06 · resigned 2014-03-31
- ANDREWS, Peter Joseph — director · British · appointed 2008-04-02 · resigned 2014-03-31
- BRENT, Stephen Paul — director · British · appointed 2003-02-19 · resigned 2006-01-03
- COATS, James — director · British · appointed 2009-10-01 · resigned 2014-03-31
- DIAMOND, Steven John — director · British · appointed 2014-03-31 · resigned 2023-03-08
- HYDE, Mark — director · British · appointed 2003-02-19 · resigned 2008-04-02
- LAWTON, Philip James — director · British · appointed 2023-03-08 · resigned 2024-04-11
- MATHILAKATH, Santosh — director · Indian · appointed 2014-03-31 · resigned 2021-04-07
- MULLIGAN, Peter — director · British · appointed 2008-04-02 · resigned 2014-03-31
- PLANT, Robert James — director · English · appointed 2003-02-19 · resigned 2014-03-31
- SIMPSON, Jamie Alexander — director · British · appointed 2004-12-14 · resigned 2024-04-11
- SMITH, Michael James — director · British · appointed 2004-01-16 · resigned 2014-03-31
- TABNER, Stephen John — director · British · appointed 2008-04-02 · resigned 2025-05-12

### Beneficial owners (Persons with Significant Control)

- [Hydrobolt Group Limited](https://whiteintel.dev/entity/fe93db83-ad15-465c-b2da-735c8070adfe) — 75–100% shares · corporate PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04670230
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04670230

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STUDBOLT MANUFACTURING LIMITED**. Human view: https://whiteintel.dev/entity/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81 · Structured JSON: https://whiteintel.dev/api/public/dossier/5f8c8f0c-e167-5441-9bcc-2dcff9f0aa81._

_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"._