---
title: "ADSILICO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0
json: https://whiteintel.dev/api/public/dossier/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0
identifier: oo:GB-COH-14263453
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ADSILICO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14263453`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0  

## Ownership & control

### Owners / controllers

- **Professor Alejandro Federico Frangi** (beneficial owner) — 75% — https://whiteintel.dev/entity/3e8c7950-d166-5f53-83ee-a7d585348129
- **NORTHERN GRITSTONE LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/b3a35a6d-6951-56ef-be7f-ffd72b87b71d
- **Professor Alejandro Federico Frangi** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/924b6345-817d-4e34-9efe-f2a1db3371fd
- **UNIVERSITY OF LEEDS** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/857701be-7008-579b-8a79-d7e9ae9f0b02
- **NORTHERN GRITSTONE LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b3a35a6d-6951-56ef-be7f-ffd72b87b71d

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

A **37-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:** `14263453`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-07-29
- **Registered office:** Nexus, Discovery Way, Leeds, West Yorkshire, LS2 3AA, United Kingdom
- **SIC:** 72190

### Officers

- DOHERTY, Cassandra Clare — director · British · appointed 2025-11-20
- MACPHERSON, Sheena Louise — director · British · appointed 2024-02-22
- RICHARDSON, Christopher Lee — director · American · appointed 2024-08-28
- [PARKWALK ADVISORS LTD](https://whiteintel.dev/entity/9682ab0d-cc42-5560-8df4-8ad0345d3d60) — corporate director · appointed 2024-02-23
- DODD, Isabel, Dr — director · British · appointed 2022-07-29 · resigned 2023-01-10
- FRANGI, Alejandro Federico, Professor — director · Italian,Argentine,Spanish · appointed 2024-02-23 · resigned 2026-04-30
- MAIRAJ, Arshad Khawar, Dr — director · British · appointed 2022-07-29 · resigned 2024-02-23
- MCCREADIE, Jessica — director · British · appointed 2024-10-17 · resigned 2025-11-20
- ORSI, Nadia, Dr — director · British · appointed 2023-09-05 · resigned 2024-02-23
- WATSON, Luke, Dr — director · British · appointed 2023-01-10 · resigned 2023-09-05
- WYATT, Mark Andrew, Dr — director · British · appointed 2024-02-23 · resigned 2024-10-03

### Beneficial owners (Persons with Significant Control)

- [Northern Gritstone Limited](https://whiteintel.dev/entity/b3a35a6d-6951-56ef-be7f-ffd72b87b71d) — 25–50% shares · corporate PSC · England — since 2024-02-23
- Professor Alejandro Federico Frangi — 50–75% shares · individual PSC · United Kingdom — ceased 2024-02-23
- [University Of Leeds](https://whiteintel.dev/entity/857701be-7008-579b-8a79-d7e9ae9f0b02) — 25–50% shares · corporate PSC · United Kingdom — ceased 2024-02-22

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14263453
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14263453

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ADSILICO LIMITED**. Human view: https://whiteintel.dev/entity/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0 · Structured JSON: https://whiteintel.dev/api/public/dossier/87a74fe5-9dcd-53e0-8925-4b2e91dcdaa0._

_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"._