---
title: "DEFENITION LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/422af0dc-9e2b-509b-90be-00ec85dc3be3
json: https://whiteintel.dev/api/public/dossier/422af0dc-9e2b-509b-90be-00ec85dc3be3
identifier: oo:GB-COH-10174619
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DEFENITION LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10174619`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/422af0dc-9e2b-509b-90be-00ec85dc3be3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/422af0dc-9e2b-509b-90be-00ec85dc3be3  

## Ownership & control

### Owners / controllers

- **Dr Jon Roland Sayers** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/80e0aeb1-e718-4474-85c8-2d46e3e4648c
- **IP2IPO SERVICES LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/b21b9a75-76e8-5cdc-9da2-2bf770496dd4
- **Ip2ipo Portfolio (Gp) Limited** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/823cc25e-0fa8-43cb-a7f3-6d5147e1f0bc

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

A **5-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:** `10174619`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-05-11
- **Registered office:** Windsor House, Cornwall Road, Harrogate, HG1 2PW, England
- **SIC:** 72110

### Officers

- [HADDLETON & CO LIMITED](https://whiteintel.dev/entity/6e21a522-726c-5a62-9641-d3ae3b202514) — corporate secretary · appointed 2020-02-03
- SAYERS, Jon Roland, Dr — director · British · appointed 2016-05-11
- [IP2IPO SERVICES LIMITED](https://whiteintel.dev/entity/b21b9a75-76e8-5cdc-9da2-2bf770496dd4) — corporate director · appointed 2016-05-11
- [IP2IPO SERVICES LIMITED](https://whiteintel.dev/entity/b21b9a75-76e8-5cdc-9da2-2bf770496dd4) — corporate secretary · appointed 2016-05-11 · resigned 2020-02-03
- ARNOTT, Michael George, Dr — director · British · appointed 2016-05-11 · resigned 2017-09-07

### Beneficial owners (Persons with Significant Control)

- Ip2ipo Portfolio (Gp) Limited — 50–75% shares · corporate PSC · England — since 2017-06-13
- Dr Jon Roland Sayers — 25–50% shares · individual PSC · England — since 2016-05-11
- [Ip2ipo Limited](https://whiteintel.dev/entity/b21b9a75-76e8-5cdc-9da2-2bf770496dd4) — 50–75% shares · corporate PSC · England — ceased 2017-06-13

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10174619
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10174619

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DEFENITION LIMITED**. Human view: https://whiteintel.dev/entity/422af0dc-9e2b-509b-90be-00ec85dc3be3 · Structured JSON: https://whiteintel.dev/api/public/dossier/422af0dc-9e2b-509b-90be-00ec85dc3be3._

_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"._