---
title: "INTEGRATED AIR SYSTEMS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c5ccb8b4-7809-52bf-8617-61ec8b5822fb
json: https://whiteintel.dev/api/public/dossier/c5ccb8b4-7809-52bf-8617-61ec8b5822fb
identifier: oo:GB-COH-04475442
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# INTEGRATED AIR SYSTEMS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04475442`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c5ccb8b4-7809-52bf-8617-61ec8b5822fb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c5ccb8b4-7809-52bf-8617-61ec8b5822fb  

## Ownership & control

### Owners / controllers

- **David Nicholson** (beneficial owner) — 50% — https://whiteintel.dev/entity/382a8d8d-00a3-5a6b-8326-ad86e984cfbf
- **INTEGRATED SYSTEMS 2020 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/18839fb4-52d9-5f1a-995c-4f52d2e39b49
- **Mr Graham Peter Marginson** (beneficial owner) — 50% — https://whiteintel.dev/entity/da5d58b8-e7cd-5c02-8b36-bd66dd32d9f8
- **Mr Graham Peter Marginson** (beneficial owner) — 100% — https://whiteintel.dev/entity/03b32e73-311b-52d0-955c-a3254bda2a35
- **Mr David Nicholson** (beneficial owner) — 50% — https://whiteintel.dev/entity/62f7fe7f-1b2e-5c81-bc0c-6e70b1ca4a6f
- **INTEGRATED SYSTEMS 2020 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/18839fb4-52d9-5f1a-995c-4f52d2e39b49
- **Mr David Nicholson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/bbfca698-3e3a-490d-b250-5124d1856751
- **Mr Graham Peter Marginson** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/eb049f76-52a6-457c-8021-4a0fae3008df
- **David Nicholson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/df261956-7594-4c53-9dae-c0bb03740fbd
- **Mr Graham Peter Marginson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/855fa34e-707f-489a-b926-a9d566154972

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

A **12-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:** `04475442`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-07-02
- **Registered office:** Brooke Court Lower Meadow Road, Handforth, Wilmslow, SK9 3ND, England
- **SIC:** 25620

### Officers

- COOKE, Jonathan — director · British · appointed 2020-02-24
- MARGINSON, Graham Peter — director · British · appointed 2003-03-01
- SNELSON, Adrian — director · British · appointed 2018-02-05
- WHITEHEAD, Aaron — director · British · appointed 2025-05-01
- NICHOLSON, Valerie Ann — secretary · British · appointed 2002-07-02 · resigned 2020-02-12
- MARGINSON, Hazel Ann — director · British · appointed 2003-03-01 · resigned 2025-04-30
- NICHOLSON, David — director · British · appointed 2002-07-02 · resigned 2020-02-12
- NICHOLSON, Valerie Ann — director · British · appointed 2003-03-01 · resigned 2020-02-12

### Beneficial owners (Persons with Significant Control)

- [Integrated Systems 2020 Ltd](https://whiteintel.dev/entity/18839fb4-52d9-5f1a-995c-4f52d2e39b49) — 75–100% shares · corporate PSC · England — since 2020-02-12
- Mr Graham Peter Marginson — 75–100% shares · individual PSC · England — ceased 2020-02-12
- Mr David Nicholson — 25–50% shares · individual PSC · England — ceased 2020-02-12
- David Nicholson — 25–50% shares · individual PSC · United Kingdom — ceased 2020-02-12
- Mr Graham Peter Marginson — 25–50% shares · individual PSC · United Kingdom — ceased 2020-02-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04475442
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04475442

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **INTEGRATED AIR SYSTEMS LIMITED**. Human view: https://whiteintel.dev/entity/c5ccb8b4-7809-52bf-8617-61ec8b5822fb · Structured JSON: https://whiteintel.dev/api/public/dossier/c5ccb8b4-7809-52bf-8617-61ec8b5822fb._

_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"._