---
title: "UNITHERM UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/af14a522-9252-569d-93bf-c46fe289aaba
json: https://whiteintel.dev/api/public/dossier/af14a522-9252-569d-93bf-c46fe289aaba
identifier: oo:GB-COH-13018983
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# UNITHERM UK LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13018983`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/af14a522-9252-569d-93bf-c46fe289aaba  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/af14a522-9252-569d-93bf-c46fe289aaba  

## Ownership & control

### Owners / controllers

- **Unitherm Heating Systems Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/45c23022-8459-494b-823b-d83d4fa8a9c0
- **Purmo Group Plc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1fb419a1-16f4-49d4-8071-c1ce13c1346b
- **PURMO GROUP HOLDCO (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c2f9c639-534d-5782-b432-13d6f2da8bb5

### Holdings / subsidiaries

- **ADVANCED INSTALLATIONS LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/750ea3a3-38d1-5150-86d8-c72eab4b3375
- **FLOWARM LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/887dadc3-3a54-58fa-ac1d-40e71522f9df
- **FLOWARM LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/887dadc3-3a54-58fa-ac1d-40e71522f9df
- **ADVANCED INSTALLATIONS LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/750ea3a3-38d1-5150-86d8-c72eab4b3375

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

A **6-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:** `13018983`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-11-15
- **Registered office:** Units C1 & C2 Sanderling Court Osprey Road, Sowton Industrial Estate, Exeter, Devon, EX2 7PJ, England
- **SIC:** 43220

### Officers

- BARR, Thomas William Eph — director · British · appointed 2025-09-18
- BYRNE, Adam — director · Irish · appointed 2020-11-15
- CURRIE, Linda — director · English · appointed 2024-10-01
- HOOPER, Andy John — director · British · appointed 2020-11-15
- KETO, Jonas — director · Finnish · appointed 2024-10-01
- MCCELLAND, Christopher — director · Irish · appointed 2020-11-15
- MURSU, Kajsa — director · Finnish · appointed 2024-12-10
- RELIHAN, David — director · Irish · appointed 2024-10-01
- CONLON, Michael Gerard — director · British · appointed 2024-10-01 · resigned 2025-09-18
- KISSANE, Declan — director · Irish · appointed 2020-11-15 · resigned 2025-12-31
- KROGERUS, Liisa — director · Finnish · appointed 2024-10-01 · resigned 2024-12-10

### Beneficial owners (Persons with Significant Control)

- [Project Grand Bidco (Uk) Limited](https://whiteintel.dev/entity/c2f9c639-534d-5782-b432-13d6f2da8bb5) — 75–100% shares · corporate PSC · United Kingdom — since 2024-10-01
- [Purmo Group Plc](https://whiteintel.dev/entity/1fb419a1-16f4-49d4-8071-c1ce13c1346b) — 75–100% shares · corporate PSC · Finland — ceased 2024-10-01
- [Unitherm Heating Systems Limited](https://whiteintel.dev/entity/45c23022-8459-494b-823b-d83d4fa8a9c0) — 75–100% shares · corporate PSC · Ireland — ceased 2024-01-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13018983
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13018983

## 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 **UNITHERM UK LIMITED** — https://whiteintel.dev/entity/af14a522-9252-569d-93bf-c46fe289aaba · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **UNITHERM UK LIMITED**. Human view: https://whiteintel.dev/entity/af14a522-9252-569d-93bf-c46fe289aaba · Structured JSON: https://whiteintel.dev/api/public/dossier/af14a522-9252-569d-93bf-c46fe289aaba._

_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"._