---
title: "PI UK ACQUISITION COMPANY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/16705ae2-d55e-58c2-9c7d-8f84547e0e91
json: https://whiteintel.dev/api/public/dossier/16705ae2-d55e-58c2-9c7d-8f84547e0e91
identifier: oo:GB-COH-11438576
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PI UK ACQUISITION COMPANY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11438576`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/16705ae2-d55e-58c2-9c7d-8f84547e0e91  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/16705ae2-d55e-58c2-9c7d-8f84547e0e91  

## Ownership & control

### Owners / controllers

- **Mr Alexander Knaster** (beneficial owner) — 100% — https://whiteintel.dev/entity/979d15b4-81f3-5a61-a918-4f1985571a0a
- **John Combothekras Halsted** (beneficial owner) — 100% — https://whiteintel.dev/entity/2512f78b-6216-5e47-8bda-5d48eced52b5
- **GLO HEALTHCARE UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/cc0b9924-53ba-50da-a2e0-3315ac41f14b
- **PAREXEL INTERNATIONAL CORPORATION LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e63d3860-ef83-58a9-8621-d54570c027d5
- **GLO HEALTHCARE UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cc0b9924-53ba-50da-a2e0-3315ac41f14b
- **Mr Alexander Knaster** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a5146c09-2a2e-4f3c-8f3b-6f1ef597adda
- **John Combothekras Halsted** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ace7ab77-4d7d-4f9a-b689-15f0a970ef13

### Holdings / subsidiaries

- **CLININTEL LTD.** (beneficial owner) — 100% — https://whiteintel.dev/entity/01d87bcb-2e4d-53b1-944c-07c154f5e788
- **CLINPHONE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/cc89665b-9fe2-5dbd-a6dd-5dc1269245fb
- **CLININTEL LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/01d87bcb-2e4d-53b1-944c-07c154f5e788
- **CLINPHONE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cc89665b-9fe2-5dbd-a6dd-5dc1269245fb

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

A **14-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:** `11438576`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-06-28
- **Registered office:** 54 Portland Place, London, W1B 1DY, England
- **SIC:** 96090

### Officers

- DEFOURT, Xavier Anne J. — secretary · appointed 2023-03-17
- [BROUGHTON SECRETARIES LIMITED](https://whiteintel.dev/entity/024a87a9-4fd4-509e-90c6-d2bde5d49d1b) — corporate secretary · appointed 2021-08-26
- DEFOURT, Xavier Anne Jean-Louis — director · Belgian · appointed 2023-03-17
- FINGER, Benjamin Mark — director · British · appointed 2026-05-15
- PATEL, Purvesh Dhananjay — secretary · appointed 2021-01-01 · resigned 2023-03-17
- ARMSTRONG, Paul Joseph — director · American · appointed 2020-05-01 · resigned 2020-12-31
- CROWLEY, III, Michael Francis — director · American · appointed 2018-06-28 · resigned 2020-12-31
- NICHOLS, Gavin David Thomas — director · British · appointed 2021-01-01 · resigned 2022-03-01
- PATEL, Purvesh Dhananjay — director · American · appointed 2021-01-01 · resigned 2023-03-17
- RUTHERFORD, Andrew Mcleod — director · British · appointed 2023-04-03 · resigned 2026-05-15
- SCOTT, Joseph Edward — director · American · appointed 2019-04-12 · resigned 2020-05-01
- ST. FRANCIS, JR., Richard Blake — director · American · appointed 2018-06-28 · resigned 2019-04-12

### Beneficial owners (Persons with Significant Control)

- [Glo Healthcare Uk Limited](https://whiteintel.dev/entity/cc0b9924-53ba-50da-a2e0-3315ac41f14b) — 75–100% shares · corporate PSC · England — since 2023-01-30
- John Combothekras Halsted — 75–100% shares · individual PSC · England — ceased 2023-01-30
- Mr Alexander Knaster — 75–100% shares · individual PSC · United Kingdom — ceased 2018-11-01
- [Parexel International Corporation Ltd.](https://whiteintel.dev/entity/e63d3860-ef83-58a9-8621-d54570c027d5) — 75–100% shares · corporate PSC · United Kingdom — ceased 2018-08-14

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11438576
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11438576

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **PI UK ACQUISITION COMPANY LIMITED** — https://whiteintel.dev/entity/16705ae2-d55e-58c2-9c7d-8f84547e0e91 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PI UK ACQUISITION COMPANY LIMITED**. Human view: https://whiteintel.dev/entity/16705ae2-d55e-58c2-9c7d-8f84547e0e91 · Structured JSON: https://whiteintel.dev/api/public/dossier/16705ae2-d55e-58c2-9c7d-8f84547e0e91._

_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"._