---
title: "GAS PERFORMANCE TESTING SERVICES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/46a7755d-27c3-44b8-8f4e-fe6f88741724
json: https://whiteintel.dev/api/public/dossier/46a7755d-27c3-44b8-8f4e-fe6f88741724
identifier: gb-coh:SC405939
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GAS PERFORMANCE TESTING SERVICES LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:SC405939`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/46a7755d-27c3-44b8-8f4e-fe6f88741724  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/46a7755d-27c3-44b8-8f4e-fe6f88741724  

## Ownership & control

### Owners / controllers

- **TELEDYNE GAS MEASUREMENT INSTRUMENTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/34fa8aa2-f57e-5c38-a736-20c16f670b7d

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

A **9-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:** `SC405939`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2011-08-23
- **Registered office:** Inchinnan Business Park Brownsfield Avenue, Inchinnan, Renfrew, PA4 9RG, Scotland
- **SIC:** 82990

### Officers

- WARGENT, Nicholas James — secretary · appointed 2019-08-01
- FOURLEGNIE, Thibault Guy — director · French · appointed 2022-06-30
- WARGENT, Nicholas James — director · British · appointed 2019-08-01
- BROWN, Ian Richard — secretary · appointed 2018-04-30 · resigned 2019-08-01
- JUBB, David Anthony — secretary · appointed 2017-10-04 · resigned 2018-04-30
- SCHIESER, Peter — secretary · British · appointed 2015-02-27 · resigned 2017-10-04
- ALPHONSUS, Anton Bernard — director · British · appointed 2015-11-10 · resigned 2017-03-10
- ASHLEY, David James — director · British · appointed 2017-10-04 · resigned 2019-08-01
- AYRE, Mark — director · British · appointed 2017-08-31 · resigned 2017-10-04
- BENNY, Paul Andrew — director · British · appointed 2015-02-27 · resigned 2015-10-30
- BOWIE, Andrew — director · British · appointed 2015-11-10 · resigned 2017-08-31
- CHAMBERS, Michael — director · British · appointed 2017-10-04 · resigned 2018-05-31
- HUNTER, David Stuart — director · British · appointed 2011-08-23 · resigned 2022-06-30
- MARKIN, Adam — director · British · appointed 2011-08-23 · resigned 2015-02-27
- SEMERCIYAN, Simla — director · Turkish · appointed 2018-05-01 · resigned 2019-08-01

### Beneficial owners (Persons with Significant Control)

- [Teledyne Gas Measurement Instruments Limited](https://whiteintel.dev/entity/34fa8aa2-f57e-5c38-a736-20c16f670b7d) — 75–100% shares · corporate PSC · Scotland — since 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC405939

## 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 **GAS PERFORMANCE TESTING SERVICES LTD** — https://whiteintel.dev/entity/46a7755d-27c3-44b8-8f4e-fe6f88741724 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GAS PERFORMANCE TESTING SERVICES LTD**. Human view: https://whiteintel.dev/entity/46a7755d-27c3-44b8-8f4e-fe6f88741724 · Structured JSON: https://whiteintel.dev/api/public/dossier/46a7755d-27c3-44b8-8f4e-fe6f88741724._

_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"._