---
title: "AMBERJACK GLOBAL LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f70efd40-40e9-545f-acb2-ff7fa08d8e73
json: https://whiteintel.dev/api/public/dossier/f70efd40-40e9-545f-acb2-ff7fa08d8e73
identifier: oo:GB-COH-03907607
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMBERJACK GLOBAL LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03907607`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f70efd40-40e9-545f-acb2-ff7fa08d8e73  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f70efd40-40e9-545f-acb2-ff7fa08d8e73  

## Ownership & control

### Owners / controllers

- **ENSCO 1322 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/26db1c68-a54e-5f5f-87e7-ba6d9cd49577
- **Mrs Julie Allyson Butler** (beneficial owner) — https://whiteintel.dev/entity/dd35ae29-013e-5394-8153-0ec953d1c944
- **Mrs Katrina Harvey** (beneficial owner) — 50% — https://whiteintel.dev/entity/301a4d15-f1a5-5252-83eb-1fcd28227adc
- **Ms Cynthia Mary Bostock** (beneficial owner) — https://whiteintel.dev/entity/a3fc521d-3966-5225-bec8-c60dd3a40cb6
- **Mr Jonathan Marsh Butler** (beneficial owner) — 50% — https://whiteintel.dev/entity/771c3511-fce5-5546-8d73-05b7c3cb96f1
- **Mr Jonathan Marsh Butler** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b5109f69-db2f-4503-8d23-354265436cf8
- **Mrs Julie Allyson Butler** (beneficial owner) — https://whiteintel.dev/entity/b9ff43f0-f305-4dfc-a148-051211d3c3ed
- **Ms Cynthia Mary Bostock** (beneficial owner) — https://whiteintel.dev/entity/35000da3-0655-4af3-aacd-f404edc5d1cc
- **Mrs Katrina Harvey** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/36954a67-9bfd-4030-9652-51941d81850e
- **ENSCO 1322 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/26db1c68-a54e-5f5f-87e7-ba6d9cd49577

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

A **48-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:** `03907607`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2000-01-12
- **Registered office:** Newbury House, 20 Kings Road West, Newbury, Berkshire, RG14 5XR
- **SIC:** 62012, 63110, 78109, 78300

### Officers

- BYGRAVE, David Charles — director · British · appointed 2020-11-10
- LANCASTER, Darren John — director · British · appointed 2025-08-27
- SISSONS, Catherine Jane — director · British · appointed 2016-06-30
- BUTLER, Jonathan — secretary · British · appointed 2000-01-12 · resigned 2018-01-30
- BOSTOCK, Cynthia Mary — director · British · appointed 2009-09-10 · resigned 2024-04-30
- BUTLER, Jonathan Marsh — director · British · appointed 2017-04-25 · resigned 2019-04-04
- BUTLER, Jonathan — director · British · appointed 2000-01-12 · resigned 2016-06-30
- BUTLER, Julie Allyson — director · British · appointed 2017-04-25 · resigned 2019-04-04
- HARVEY, Katrina — director · British · appointed 2000-10-16 · resigned 2019-03-08
- JACKSON, Ben — director · British · appointed 2011-03-17 · resigned 2014-08-31
- LAYBOURNE, John Philip — director · British · appointed 2015-04-21 · resigned 2015-10-07
- MEANEY, Sophie Camille — director · British · appointed 2016-06-30 · resigned 2021-11-18
- PRATT, Julie Allyson — director · British · appointed 2000-01-12 · resigned 2016-02-01
- SMITH, Michelle — director · British · appointed 2010-11-18 · resigned 2016-06-30
- SPEED, Daniel Stuart — director · British · appointed 2021-04-30 · resigned 2025-10-14
- WRIGHT, Philip — director · British · appointed 2011-04-14 · resigned 2013-03-15

### Beneficial owners (Persons with Significant Control)

- [Ensco 1322](https://whiteintel.dev/entity/26db1c68-a54e-5f5f-87e7-ba6d9cd49577) — 75–100% shares · corporate PSC · England — since 2019-04-04
- Mrs Katrina Harvey — 25–50% shares · individual PSC — ceased 2019-04-04
- Mr Jonathan Marsh Butler — 25–50% shares · individual PSC — ceased 2019-04-04
- Mrs Julie Allyson Butler — right to appoint and remove directors · individual PSC — ceased 2018-07-12
- Ms Cynthia Mary Bostock — significant influence or control · individual PSC — ceased 2018-07-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03907607
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03907607

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMBERJACK GLOBAL LIMITED**. Human view: https://whiteintel.dev/entity/f70efd40-40e9-545f-acb2-ff7fa08d8e73 · Structured JSON: https://whiteintel.dev/api/public/dossier/f70efd40-40e9-545f-acb2-ff7fa08d8e73._

_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"._