---
title: "A.T.A. (ENGINEERING PROCESSES) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/19084a19-ec4e-57cb-a182-cc9c9d333544
json: https://whiteintel.dev/api/public/dossier/19084a19-ec4e-57cb-a182-cc9c9d333544
identifier: oo:GB-COH-00755893
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# A.T.A. (ENGINEERING PROCESSES) LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-00755893`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/19084a19-ec4e-57cb-a182-cc9c9d333544  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/19084a19-ec4e-57cb-a182-cc9c9d333544  

## Ownership & control

### Owners / controllers

- **Mrs Carol Doreen Spicer** (beneficial owner) — 50% — https://whiteintel.dev/entity/df1d4a74-2c30-5088-a2c4-0cac01575d1d
- **Miss Marilyn Robertta Amos** (beneficial owner) — 50% — https://whiteintel.dev/entity/54477fac-e2bf-5c12-be72-1c1dc6a1b602
- **Mrs Carol Doreen Spicer** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0c851ce8-cc94-4795-a102-e7baa951be9a
- **Miss Marilyn Robertta Amos** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/86415db1-2cd6-46c2-9b21-ee77575a6f2d

### Holdings / subsidiaries

- **ATA CNC PROCESSES LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/5fed9eef-1711-540d-a22d-43227a4caa5c
- **ATA CNC PROCESSES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/5fed9eef-1711-540d-a22d-43227a4caa5c

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

1. **Mrs Carol Doreen Spicer** — beneficial owner 50% → *A.T.A. (ENGINEERING PROCESSES) LIMITED*
1. **Miss Marilyn Robertta Amos** — beneficial owner 50% → *A.T.A. (ENGINEERING PROCESSES) LIMITED*
1. **Mrs Carol Doreen Spicer** — beneficial owner 37.5% → *A.T.A. (ENGINEERING PROCESSES) LIMITED*
1. **Miss Marilyn Robertta Amos** — beneficial owner 37.5% → *A.T.A. (ENGINEERING PROCESSES) LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `00755893`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1963-04-01
- **Registered office:** Ata House, Boundary Way, Hemel Hempstead, Hertfordshire, HP2 7SS
- **SIC:** 46140

### Officers

- AMOS, Marilyn Robertta — secretary · British · appointed 1993-12-16
- AMOS, Marilyn Robertta — director · British
- AMOS, Madeline Doreen — secretary · British · resigned 1993-12-16
- AMOS, Robert James — director · British · resigned 2013-02-25
- SPICER, Carol Doreen — director · British · resigned 2019-09-12
- STAFFORD, Terence James — director · British · resigned 2017-11-30
- WHITBREAD, Mark — director · British · appointed 2017-09-20 · resigned 2021-09-10

### Beneficial owners (Persons with Significant Control)

- Miss Marilyn Robertta Amos — 25–50% shares · individual PSC · England — since 2016-04-06
- Mrs Carol Doreen Spicer — 25–50% shares · individual PSC · England — ceased 2019-09-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00755893
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00755893

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **A.T.A. (ENGINEERING PROCESSES) LIMITED**. Human view: https://whiteintel.dev/entity/19084a19-ec4e-57cb-a182-cc9c9d333544 · Structured JSON: https://whiteintel.dev/api/public/dossier/19084a19-ec4e-57cb-a182-cc9c9d333544._

_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"._