---
title: "CALLISTO COMPUTING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0
json: https://whiteintel.dev/api/public/dossier/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0
identifier: oo:GB-COH-03557233
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CALLISTO COMPUTING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03557233`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0  

## Ownership & control

### Owners / controllers

- **Mrs Nicola Louise Hyde** (beneficial owner) — 50% — https://whiteintel.dev/entity/fdfb01a0-e60d-5987-bbae-b08385adfce0
- **Mr Philip Hyde** (beneficial owner) — 50% — https://whiteintel.dev/entity/0965a8e1-6918-5796-b570-61601e338946
- **Mr Philip Hyde** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a7751f2f-ace1-4494-8f1b-67c3df9bb575
- **Mrs Nicola Louise Hyde** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/540b599d-310e-48d9-a72c-7139056abd67

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

A **4-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:** `03557233`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 1998-05-01
- **Registered office:** C/O Power Accountax Ltd Mailbox 3, Solent Business Centre, 343 Millbrook Road West, Southampton, SO15 0HW, United Kingdom
- **SIC:** 62020

### Officers

- HYDE, Nicola Louise — secretary · British · appointed 1998-05-01
- [POWER SECRETARIES LIMITED](https://whiteintel.dev/entity/b4c279da-fb06-5b92-b4a7-d8ea78a52e86) — corporate secretary · appointed 2010-11-09
- HYDE, Nicola Louise — director · British · appointed 2005-06-01
- HYDE, Philip — director · British · appointed 1998-05-01
- WATERLOW SECRETARIES LIMITED — corporate nominee secretary · appointed 1998-05-01 · resigned 1998-05-01
- WATERLOW NOMINEES LIMITED — corporate nominee director · appointed 1998-05-01 · resigned 1998-05-01

### Beneficial owners (Persons with Significant Control)

- Mr Philip Hyde — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- Mrs Nicola Louise Hyde — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03557233

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CALLISTO COMPUTING LIMITED**. Human view: https://whiteintel.dev/entity/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0 · Structured JSON: https://whiteintel.dev/api/public/dossier/206d7d01-1d7e-50b8-8aae-1bd0cd2cb7d0._

_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"._