---
title: "UPWAVE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/84c0e357-dc7e-5a39-bf70-606c9f064d2a
json: https://whiteintel.dev/api/public/dossier/84c0e357-dc7e-5a39-bf70-606c9f064d2a
identifier: oo:GB-COH-SC273743
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# UPWAVE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC273743`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/84c0e357-dc7e-5a39-bf70-606c9f064d2a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/84c0e357-dc7e-5a39-bf70-606c9f064d2a  

## Ownership & control

### Owners / controllers

- **Mr Andrew David Jeffreys** (beneficial owner) — 50% — https://whiteintel.dev/entity/360e0c01-be59-5ed0-b779-a24eb11b4112
- **Mrs Helen Claire Jeffreys** (beneficial owner) — 50% — https://whiteintel.dev/entity/4076bafb-5ebb-5979-b2ca-90750ce30a18
- **Mr Andrew David Jeffreys** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4f5f5f3f-62db-4742-b8ed-702121ffd97f
- **Mrs Helen Claire Jeffreys** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a23123af-ece6-45b5-bf93-68b606e3b083

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

A **4-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:** `SC273743`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2004-09-23
- **Registered office:** 37 Albyn Place, Aberdeen, AB10 1JB, Scotland
- **SIC:** 74909

## Financials (Companies House accounts)

| Figure | 2026-04-09 |
|---|---:|
| Net assets | £488 |
| Shareholder funds | £488 |
| Fixed assets | £0 |
| Current assets | £0 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- JEFFREYS, Helen Claire — secretary · British · appointed 2004-09-23
- JEFFREYS, Andrew David — director · British · appointed 2004-09-23
- JEFFREYS, Helen Claire — director · British · appointed 2006-02-14
- OSWALDS OF EDINBURGH LIMITED — corporate nominee secretary · appointed 2004-09-23 · resigned 2004-09-23

### Beneficial owners (Persons with Significant Control)

- Mr Andrew David Jeffreys — 25–50% shares · individual PSC · England — since 2016-09-23
- Mrs Helen Claire Jeffreys — 25–50% shares · individual PSC · England — since 2016-09-23

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC273743
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/SC273743/filing-history
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC273743

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **UPWAVE LIMITED**. Human view: https://whiteintel.dev/entity/84c0e357-dc7e-5a39-bf70-606c9f064d2a · Structured JSON: https://whiteintel.dev/api/public/dossier/84c0e357-dc7e-5a39-bf70-606c9f064d2a._

_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"._