---
title: "BOLT INDUSTRIAL ENGINEERING SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b80cc864-875d-5f13-8adb-e4159ee156af
json: https://whiteintel.dev/api/public/dossier/b80cc864-875d-5f13-8adb-e4159ee156af
identifier: oo:GB-COH-10969777
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BOLT INDUSTRIAL ENGINEERING SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10969777`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b80cc864-875d-5f13-8adb-e4159ee156af  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b80cc864-875d-5f13-8adb-e4159ee156af  

## Ownership & control

### Owners / controllers

- **Mr Karl Stephen Jest** (beneficial owner) — https://whiteintel.dev/entity/212b39a0-a00b-4170-849a-20450476d39b
- **Mrs Melanie Carla Jest** (beneficial owner) — https://whiteintel.dev/entity/9325e90c-0506-42cd-b18a-39d86207b250

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

A **2-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:** `10969777`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-09-19
- **Registered office:** Old Warden, 2 St. Anns Fort, King's Lynn, PE30 1QS, England
- **SIC:** 71121

## Financials (Companies House accounts)

| Figure | 2025-09-30 |
|---|---:|
| Net assets | £319,734 |
| Cash | £229,304 |
| Shareholder funds | £100 |
| Fixed assets | £47,793 |
| Current assets | £422,169 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- JEST, Karl Stephen — director · British · appointed 2017-09-19
- JEST, Melanie Carla — director · British · appointed 2017-09-19

### Beneficial owners (Persons with Significant Control)

- Mr Karl Stephen Jest — significant influence or control · individual PSC · England — since 2017-09-19
- Mrs Melanie Carla Jest — significant influence or control · individual PSC · England — since 2017-09-19

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10969777
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10969777
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/10969777/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BOLT INDUSTRIAL ENGINEERING SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/b80cc864-875d-5f13-8adb-e4159ee156af · Structured JSON: https://whiteintel.dev/api/public/dossier/b80cc864-875d-5f13-8adb-e4159ee156af._

_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"._