---
title: "DIAMOND CONTROLS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc
json: https://whiteintel.dev/api/public/dossier/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc
identifier: oo:GB-COH-04113848
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DIAMOND CONTROLS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-04113848`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc  

## Ownership & control

### Owners / controllers

- **Mrs Sophie Ames** (beneficial owner) — 50% — https://whiteintel.dev/entity/51c91e63-57a0-5ec2-8d46-6121c37544f2
- **Mrs Sophie Ames** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/eeb5fa21-1e46-47fa-8b8d-0f899575a832
- **Mr Iain Daniel Ames** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6d82953d-b942-4c05-9ef0-c639822ac006

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

1. **Mrs Sophie Ames** — beneficial owner 50% → *DIAMOND CONTROLS LIMITED*
1. **Mrs Sophie Ames** — beneficial owner 37.5% → *DIAMOND CONTROLS LIMITED*
1. **Mr Iain Daniel Ames** — beneficial owner 37.5% → *DIAMOND CONTROLS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `04113848`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2000-11-24
- **Registered office:** 21a Bessemer Road, Norwich, NR4 6DQ, England
- **SIC:** 33200

## Financials (Companies House accounts)

| Figure | 2026-03-31 | 2025-03-31 |
|---|---:|---:|
| Net assets | £1,915,687 | £1,426,444 |
| Cash | £255,742 | £690,735 |
| Shareholder funds | £200 | £200 |
| Fixed assets | £967,956 | £964,695 |
| Current assets | £1,869,468 | £1,542,449 |
| Employees | 21 | 21 |

_As filed at Companies House. Micro-entities file no profit-and-loss account._

### Officers

- AMES, Sophie — secretary · appointed 2024-10-04
- AMES, Iain Daniel — director · British · appointed 2000-11-24
- AMES, Iain Daniel — secretary · British · appointed 2000-11-24 · resigned 2002-07-06
- AMES, Jeanne Irene — secretary · British · appointed 2002-07-06 · resigned 2003-06-27
- DAVIES, Craig — secretary · British · appointed 2007-08-22 · resigned 2012-02-01
- HAGUE, Nigel Stuart — secretary · British · appointed 2003-06-27 · resigned 2007-08-22
- LONDON LAW SECRETARIAL LIMITED — corporate nominee secretary · appointed 2000-11-24 · resigned 2000-11-24
- AMES, Jeanne Irene — director · British · appointed 2003-06-27 · resigned 2009-12-01
- AMES, Sophie — director · British · appointed 2024-08-06 · resigned 2024-10-04
- GUY, Steven Paul — director · British · appointed 2000-11-24 · resigned 2002-07-06
- MARTIN, Kevin William — director · British · appointed 2003-08-23 · resigned 2005-03-28
- LONDON LAW SERVICES LIMITED — corporate nominee director · appointed 2000-11-24 · resigned 2000-11-24

### Beneficial owners (Persons with Significant Control)

- Mrs Sophie Ames — 25–50% shares · individual PSC · England — since 2017-04-06
- Mr Iain Daniel Ames — 25–50% shares · individual PSC · England — since 2016-07-01

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04113848
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04113848
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/04113848/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DIAMOND CONTROLS LIMITED**. Human view: https://whiteintel.dev/entity/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc · Structured JSON: https://whiteintel.dev/api/public/dossier/6000f4bc-ab92-5bd5-b7ad-8a4eab941abc._

_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"._