---
title: "ARK ELECTRICAL SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b7749260-e8ed-5724-9d08-b8fb76cbf9d9
json: https://whiteintel.dev/api/public/dossier/b7749260-e8ed-5724-9d08-b8fb76cbf9d9
identifier: oo:GB-COH-05303633
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ARK ELECTRICAL SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-05303633`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b7749260-e8ed-5724-9d08-b8fb76cbf9d9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b7749260-e8ed-5724-9d08-b8fb76cbf9d9  

## Ownership & control

### Owners / controllers

- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/b557a0a4-b5cf-5d92-b2d0-7a564e44b1b1
- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/58340910-6eb4-5eb0-8330-9489c8eb08c8
- **Mr Michael John Koyce** (beneficial owner) — https://whiteintel.dev/entity/d227d1af-bbb3-5ff4-84f5-a9023c0c78ff
- **Mr Andrew Cottenham** (beneficial owner) — https://whiteintel.dev/entity/79e12acf-60b4-5d5a-aeb7-1bb221b05ea6
- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/a9e21971-5132-56c9-9d06-bd3ff814b5d6
- **Mrs Sarah Fay Cottenham** (beneficial owner) — https://whiteintel.dev/entity/2060ea36-9495-5bc5-a54c-f3dcd35e62f9
- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/906042a4-bd3a-4374-b255-6aa2f28254f3
- **Mr Michael John Koyce** (beneficial owner) — https://whiteintel.dev/entity/cc2405dc-0ddf-4f29-a9c7-b33b38e83f6d
- **Mr Michael John Koyce** (beneficial owner) — https://whiteintel.dev/entity/e3a662de-86be-4a53-b999-70192a412dd6
- **AES HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/26a41fef-5a17-4178-85c6-dd46b9f83723
- **AES TRADING HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6829d381-cdf7-4dfe-ae65-f3ca0253e4ee
- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/b38a2404-722a-4a97-872c-31016865fcf3
- **Mr Michael John Koyce** (beneficial owner) — https://whiteintel.dev/entity/e6267e18-2674-4d93-a754-d8e2e4bca999
- **Mr Andrew Cottenham** (beneficial owner) — https://whiteintel.dev/entity/870fcf40-54f4-4290-af60-daee3ab7ca73
- **Mrs Jane Koyce** (beneficial owner) — https://whiteintel.dev/entity/141a4b55-35b7-428a-9693-cad84ce4bf72
- **Mrs Sarah Fay Cottenham** (beneficial owner) — https://whiteintel.dev/entity/76e5f1e6-df74-4f2d-b762-6c7e4456aa27

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

A **20-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:** `05303633`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2004-12-03
- **Registered office:** 448 Uxbridge Road, Hayes, Middlesex, UB4 0SD
- **SIC:** 46900

### Officers

- KOYCE, Michael John — secretary · British · appointed 2004-12-03
- COTTENHAM, Andrew — director · British · appointed 2008-01-02
- COTTENHAM, Sarah Fay — director · British · appointed 2010-08-01
- KOYCE, Jane — director · British · appointed 2004-12-03
- KOYCE, Michael John — director · British · appointed 2004-12-03
- KOUROUNAS, Mario — director · British · appointed 2006-02-01 · resigned 2007-12-21

### Beneficial owners (Persons with Significant Control)

- [Aes Trading Holdco Limited](https://whiteintel.dev/entity/6829d381-cdf7-4dfe-ae65-f3ca0253e4ee) — 75–100% shares · corporate PSC · England — since 2026-03-11
- [Aes Holdco Limited](https://whiteintel.dev/entity/26a41fef-5a17-4178-85c6-dd46b9f83723) — 75–100% shares · corporate PSC · England — ceased 2026-03-11
- Mrs Jane Koyce — significant influence or control · individual PSC — ceased 2026-03-11
- Mr Andrew Cottenham — significant influence or control · individual PSC — ceased 2026-03-11
- Mrs Sarah Fay Cottenham — significant influence or control · individual PSC — ceased 2026-03-11
- Mr Michael John Koyce — significant influence or control · individual PSC — ceased 2026-03-11
- Mr Michael John Koyce — significant influence or control · individual PSC — ceased 2016-04-06
- Mrs Jane Koyce — significant influence or control · individual PSC — ceased 2016-04-06
- Mrs Jane Koyce — significant influence or control as firm · individual PSC — ceased 2016-04-06
- Mr Michael John Koyce — significant influence or control as firm · individual PSC — ceased 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05303633
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05303633

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ARK ELECTRICAL SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/b7749260-e8ed-5724-9d08-b8fb76cbf9d9 · Structured JSON: https://whiteintel.dev/api/public/dossier/b7749260-e8ed-5724-9d08-b8fb76cbf9d9._

_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"._