---
title: "MICROMUSE U K HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eda69584-d336-554c-9b2c-bbc1d19a24e1
json: https://whiteintel.dev/api/public/dossier/eda69584-d336-554c-9b2c-bbc1d19a24e1
identifier: oo:GB-COH-04400413
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MICROMUSE U K HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04400413`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eda69584-d336-554c-9b2c-bbc1d19a24e1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eda69584-d336-554c-9b2c-bbc1d19a24e1  

## Ownership & control

### Owners / controllers

- **International Business Machines Corporation** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7c8ee0ad-b6f2-4a78-bff6-df448a19cedf

### Holdings / subsidiaries

- **MICROMUSE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/1692a912-2f6d-50f3-a27e-5e8ffb01261e
- **MICROMUSE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1692a912-2f6d-50f3-a27e-5e8ffb01261e

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

A **1-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:** `04400413`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-03-21
- **Registered office:** Building C Ibm Hursley Office, Hursley Park Road, Winchester, Hampshire, SO21 2JN, United Kingdom
- **SIC:** 70100

### Officers

- SULLIVAN, Alison Mary Catherine — secretary · British · appointed 2007-09-06
- WRIGHT, Emma Danielle — director · British · appointed 2021-04-01
- HIEMSTRA, Sarel Johannes — secretary · British · appointed 2003-08-01 · resigned 2007-06-26
- MALIN, Jonathan Adam — secretary · British · appointed 2002-05-31 · resigned 2003-08-01
- SAYANI, Nuzhat — secretary · British · appointed 2007-06-26 · resigned 2007-09-06
- OFFICE ORGANIZATION & SERVICES LIMITED — corporate nominee secretary · appointed 2002-03-21 · resigned 2002-05-31
- SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 2002-03-21 · resigned 2002-03-21
- DE GOLIA, James Bruce — director · American · appointed 2002-05-31 · resigned 2004-11-29
- FERGUSON, Ian Duncan — director · British · appointed 2011-03-03 · resigned 2021-04-01
- FOSTER, Michael William — director · Irish · appointed 2003-08-01 · resigned 2004-07-16
- HIEMSTRA, Sarel Johannes — director · British · appointed 2004-07-16 · resigned 2011-03-03
- LUETKEMEYER, Michael — director · American · appointed 2002-05-31 · resigned 2004-07-16
- MALIN, Jonathan Adam — director · British · appointed 2002-05-31 · resigned 2003-08-01
- O'DONNELL, Ellen — director · Us Citizen · appointed 2004-07-16 · resigned 2006-10-09
- TO, Hing Wing — director · British · appointed 2004-07-16 · resigned 2007-06-26
- WILSON, Stephen David — director · British · appointed 2008-09-04 · resigned 2009-04-09
- PEREGRINE SECRETARIAL SERVICES LIMITED — corporate nominee director · appointed 2002-03-21 · resigned 2002-05-31

### Beneficial owners (Persons with Significant Control)

- [International Business Machines Corporation](https://whiteintel.dev/entity/7c8ee0ad-b6f2-4a78-bff6-df448a19cedf) — 75–100% shares · corporate PSC · United States — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04400413
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04400413

## 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 **MICROMUSE U K HOLDINGS LIMITED** — https://whiteintel.dev/entity/eda69584-d336-554c-9b2c-bbc1d19a24e1 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MICROMUSE U K HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/eda69584-d336-554c-9b2c-bbc1d19a24e1 · Structured JSON: https://whiteintel.dev/api/public/dossier/eda69584-d336-554c-9b2c-bbc1d19a24e1._

_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"._