---
title: "QUANTUMA ADVISORY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/02571bf3-e82a-57bc-9904-18f16e94cb49
json: https://whiteintel.dev/api/public/dossier/02571bf3-e82a-57bc-9904-18f16e94cb49
identifier: oo:GB-COH-12743937
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUANTUMA ADVISORY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12743937`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/02571bf3-e82a-57bc-9904-18f16e94cb49  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/02571bf3-e82a-57bc-9904-18f16e94cb49  

## Ownership & control

### Owners / controllers

- **K3 RESTRUCTURING ADVISORY GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3bd92d2a-2be1-51be-9c81-82f6d4c70cb1
- **Carl Stuart Jackson** (beneficial owner) — 50% — https://whiteintel.dev/entity/f0c7e921-8cff-524a-9009-25d19105d640
- **Mark William Lucas** (beneficial owner) — 50% — https://whiteintel.dev/entity/1d39016f-789b-5b42-a173-6702ad104c1d
- **K3 CAPITAL GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/459e9fff-7b53-564f-8e4c-de78a41ca95b
- **K3 ADVISORY GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/834eaba2-ca7b-5809-8df9-2fb4a3d5a9b8
- **Carl Stuart Jackson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/8b032145-5118-49fb-89e7-99ef2776ceeb
- **Mark William Lucas** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/db66e573-fe51-437c-9a64-1272078677e3
- **K3 RESTRUCTURING ADVISORY GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3bd92d2a-2be1-51be-9c81-82f6d4c70cb1

### Holdings / subsidiaries

- **QUANTUMA INTERNATIONAL ADVISORY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8cb661b4-c39e-5bd4-8b0a-85f8089b4571
- **QUANTUMA CORPORATE FINANCE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a0e55a48-3794-5c86-87fb-6728035a056f
- **QUANTUMA ADVISORY (YORKSHIRE) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f84f846b-b9c2-56b1-b422-fa820a49a603
- **QUANTUMA ADVISORY (YORKSHIRE) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f84f846b-b9c2-56b1-b422-fa820a49a603
- **QUANTUMA CORPORATE FINANCE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a0e55a48-3794-5c86-87fb-6728035a056f
- **QUANTUMA INTERNATIONAL ADVISORY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8cb661b4-c39e-5bd4-8b0a-85f8089b4571

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

A **25-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:** `12743937`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-07-15
- **Registered office:** 20 St. Andrew Street, London, EC4A 3AG, England
- **SIC:** 69201

### Officers

- CAUTER, Michael Lee — director · British · appointed 2025-08-22
- JACKSON, Carl Stuart — director · British · appointed 2020-07-15
- MELBOURNE, Andrew Robert — director · British · appointed 2020-07-31
- ANDRONIKOU, Andreas Anastasis — director · British · appointed 2020-12-01 · resigned 2025-08-22
- HOSKING, Andrew Lawrence — director · British · appointed 2020-12-01 · resigned 2025-08-22
- LUCAS, Mark William — director · British · appointed 2020-07-15 · resigned 2026-02-19
- RIGBY, John Stephen — director · British · appointed 2020-07-31 · resigned 2025-08-22

### Beneficial owners (Persons with Significant Control)

- [K3 Restructuring Advisory Group Limited](https://whiteintel.dev/entity/3bd92d2a-2be1-51be-9c81-82f6d4c70cb1) — 75–100% shares · corporate PSC · United Kingdom — since 2021-05-17
- [K3 Capital Group Holdings Limited](https://whiteintel.dev/entity/459e9fff-7b53-564f-8e4c-de78a41ca95b) — 75–100% shares · corporate PSC · England — ceased 2021-05-17
- [K3 Capital Group Plc](https://whiteintel.dev/entity/834eaba2-ca7b-5809-8df9-2fb4a3d5a9b8) — 75–100% shares · corporate PSC · England — ceased 2020-07-31
- Carl Stuart Jackson — 25–50% shares · individual PSC · England — ceased 2020-07-31
- Mark William Lucas — 25–50% shares · individual PSC · England — ceased 2020-07-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12743937
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12743937

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **QUANTUMA ADVISORY LIMITED** — https://whiteintel.dev/entity/02571bf3-e82a-57bc-9904-18f16e94cb49 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUANTUMA ADVISORY LIMITED**. Human view: https://whiteintel.dev/entity/02571bf3-e82a-57bc-9904-18f16e94cb49 · Structured JSON: https://whiteintel.dev/api/public/dossier/02571bf3-e82a-57bc-9904-18f16e94cb49._

_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"._