---
title: "ISEB LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/491dc83b-aef2-5d54-9cfa-2b814ec28ea9
json: https://whiteintel.dev/api/public/dossier/491dc83b-aef2-5d54-9cfa-2b814ec28ea9
identifier: oo:GB-COH-09121352
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ISEB LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-09121352`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/491dc83b-aef2-5d54-9cfa-2b814ec28ea9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/491dc83b-aef2-5d54-9cfa-2b814ec28ea9  

## Ownership & control

### Owners / controllers

- **ISEB LIMITED** (beneficial owner) — https://whiteintel.dev/entity/491dc83b-aef2-5d54-9cfa-2b814ec28ea9
- **ISEB LIMITED** (beneficial owner) — https://whiteintel.dev/entity/491dc83b-aef2-5d54-9cfa-2b814ec28ea9
- **Headmasters' And Headmistresses' Conference** (beneficial owner) — https://whiteintel.dev/entity/8817a91c-50c7-4f34-91b7-b6521507237e
- **Independent Association Of Prep Schools** (beneficial owner) — https://whiteintel.dev/entity/e685c426-68d7-4739-94c3-2e922aa221af

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

1. **ISEB LIMITED** — beneficial owner → *ISEB LIMITED*
1. **ISEB LIMITED** — beneficial owner → *ISEB LIMITED*
1. **Headmasters' And Headmistresses' Conference** — beneficial owner → *ISEB LIMITED*
1. **Independent Association Of Prep Schools** — beneficial owner → *ISEB LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `09121352`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2014-07-08
- **Registered office:** 4th Floor, Silverstream House, 45 Fitzroy Street, Fitzrovia, London, W1T 6EB, England
- **SIC:** 85600

### Officers

- STAGG, Sasha — secretary · appointed 2026-06-08
- BEARDMORE-GRAY, Benjamin — director · British · appointed 2024-03-01
- BLACKMAN, Helen Felicity — director · British · appointed 2025-02-24
- COLE, Rowena Clare — director · British · appointed 2025-11-26
- COOKSON, Rachel Helen — director · British · appointed 2024-01-01
- DIXON, Bruce Harrison — director · British · appointed 2026-06-12
- EDWARDS, Sonia Eileen — director · British · appointed 2024-01-01
- GOLDSMITH, William David John — director · British · appointed 2024-01-01
- GRIFFITHS, Wendy Jane — director · British · appointed 2022-02-21
- PETERKEN, Alexander Laurence Raynal, Dr — director · British · appointed 2015-02-01
- SILVER, Christopher James Alexander — director · British · appointed 2022-02-09
- WEEKS, Ruth Audrey, Dr Mrs — director · British · appointed 2019-11-22
- YORK, Norton Oscar — director · British · appointed 2020-06-12
- ALLEN, Kathleen Helen — secretary · appointed 2016-06-04 · resigned 2021-01-31
- ENTWISLE, Rosemary Ann — secretary · appointed 2014-07-08 · resigned 2016-06-03
- MARTIN, Julia Anne — secretary · appointed 2021-02-01 · resigned 2026-04-20
- BARNES, Edward Durell Abbott — director · British · appointed 2018-09-14 · resigned 2022-02-28
- BEARY, Antonia Mary — director · British · appointed 2017-02-01 · resigned 2020-06-12
- BIGGS, Richard Roger — director · British · appointed 2014-07-08 · resigned 2019-07-05
- DAWSON, Thomas Andrew Charles Nicholas — director · British · appointed 2014-09-01 · resigned 2016-11-08

### Beneficial owners (Persons with Significant Control)

- Headmasters' And Headmistresses' Conference — right to appoint and remove directors · corporate PSC · England — since 2016-07-08
- Independent Association Of Prep Schools — right to appoint and remove directors · corporate PSC · England — since 2016-07-08

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09121352
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09121352

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ISEB LIMITED**. Human view: https://whiteintel.dev/entity/491dc83b-aef2-5d54-9cfa-2b814ec28ea9 · Structured JSON: https://whiteintel.dev/api/public/dossier/491dc83b-aef2-5d54-9cfa-2b814ec28ea9._

_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"._