---
title: "IONBOND UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e7aee727-e931-5672-b86d-53bd02b9d289
json: https://whiteintel.dev/api/public/dossier/e7aee727-e931-5672-b86d-53bd02b9d289
identifier: oo:GB-COH-01665506
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# IONBOND UK LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-01665506`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e7aee727-e931-5672-b86d-53bd02b9d289  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e7aee727-e931-5672-b86d-53bd02b9d289  

## Ownership & control

### Owners / controllers

- **BERNEX UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/73edc77a-4fda-527d-8ed6-9aa89b065bb0
- **BERNEX UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/73edc77a-4fda-527d-8ed6-9aa89b065bb0
- **Dr Christopher Paul Constable** (beneficial owner) — https://whiteintel.dev/entity/bf4df1b7-fea7-4590-a854-d6b876460b70

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

1. **BERNEX UK LIMITED** — beneficial owner 100% → *IONBOND UK LIMITED*
1. **BERNEX UK LIMITED** — beneficial owner 87.5% → *IONBOND UK LIMITED*
1. **Dr Christopher Paul Constable** — beneficial owner → *IONBOND UK LIMITED*
2. **INDIGO TOPCO LIMITED** — beneficial owner 100% → *BERNEX UK LIMITED*
2. **INDIGO TOPCO LIMITED** — beneficial owner 87.5% → *BERNEX UK LIMITED*
3. **Ihi Corporation** — beneficial owner 87.5% → *INDIGO TOPCO LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `01665506`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1982-09-20
- **Registered office:** Number One Industrial Estate,, Unit 36,Medomsley Road,, Consett,, County Durham,, DH8 6TS
- **SIC:** 25610

### Officers

- FROST, Andrew Gordon — secretary · British · appointed 1995-06-02
- CONSTABLE, Christopher Paul, Dr — director · British · appointed 2016-04-07
- LANDSBERGEN, Jeroen Franciscus Maria — director · Dutch · appointed 2019-04-23
- OSTMAN, Jeffrey David — director · French,American · appointed 2016-04-07
- CALVERT, Neil — secretary · British · resigned 1995-06-02
- DAVISON, Andrew John — secretary · British · appointed 1995-06-02 · resigned 1998-03-18
- COMFORT, Stuyvesant Pierrepont — director · American · appointed 2004-07-09 · resigned 2004-10-29
- DICK, John — director · British · appointed 2004-08-12 · resigned 2005-01-23
- DICK, John — director · British · appointed 2003-04-02 · resigned 2004-07-09
- DICK, John — director · British · appointed 1998-03-18 · resigned 2000-07-31
- FLOOD, Peter Daniel — director · British · resigned 2004-04-16
- FROST, Andrew Gordon — director · British · appointed 2004-08-12 · resigned 2007-02-21
- FROST, Andrew Gordon — director · British · appointed 2000-11-08 · resigned 2004-07-09
- GEHRIG, Cornelia — director · Swiss · appointed 2007-02-21 · resigned 2009-01-15
- HAGGAN, Ian — director · British · appointed 2004-08-12 · resigned 2007-02-21
- HAGGERTY, Joseph Michael — director · Other · appointed 2009-01-15 · resigned 2016-08-03
- KREIL, Walter — director · American · resigned 2001-04-30
- MARCHETTI, Marco, Dr — director · Swiss · appointed 2004-07-09 · resigned 2005-06-01
- STEVENSON, John Alan — director · British · resigned 2004-07-09
- STRUTHERS, Ian — director · British · appointed 1997-03-07 · resigned 2004-07-09

### Beneficial owners (Persons with Significant Control)

- Dr Christopher Paul Constable — significant influence or control · individual PSC — since 2017-11-01
- [Bernex Uk Limited](https://whiteintel.dev/entity/73edc77a-4fda-527d-8ed6-9aa89b065bb0) — 75–100% shares · corporate PSC · England — since 2016-06-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/01665506
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01665506

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **IONBOND UK LIMITED**. Human view: https://whiteintel.dev/entity/e7aee727-e931-5672-b86d-53bd02b9d289 · Structured JSON: https://whiteintel.dev/api/public/dossier/e7aee727-e931-5672-b86d-53bd02b9d289._

_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"._