---
title: "A1 BUILDING (SPECIALIST SERVICES) LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403
json: https://whiteintel.dev/api/public/dossier/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403
identifier: oo:GB-COH-05054155
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# A1 BUILDING (SPECIALIST SERVICES) LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-05054155`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403  

## Ownership & control

### Owners / controllers

- **Mrs Catherine Nicholson** (beneficial owner) — 100% — https://whiteintel.dev/entity/c6eb0ab2-d588-57eb-a9e2-da173b8efb5a
- **Mr William Nicholson** (beneficial owner) — 100% — https://whiteintel.dev/entity/3b7d3b8e-25df-53d7-ac8e-fbd219b6d149
- **Mrs Catherine Nicholson** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/74845f87-9473-4217-b038-7ec903082545
- **Mr William Nicholson** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ae659fc9-7bfc-4065-b75c-a5e7c455ddef

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

1. **Mrs Catherine Nicholson** — beneficial owner 100% → *A1 BUILDING (SPECIALIST SERVICES) LTD*
1. **Mr William Nicholson** — beneficial owner 100% → *A1 BUILDING (SPECIALIST SERVICES) LTD*
1. **Mrs Catherine Nicholson** — beneficial owner 87.5% → *A1 BUILDING (SPECIALIST SERVICES) LTD*
1. **Mr William Nicholson** — beneficial owner 87.5% → *A1 BUILDING (SPECIALIST SERVICES) LTD*

## Company profile (live · UK Companies House)

- **Company number:** `05054155`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2004-02-24
- **Registered office:** Empire Social Club, Hope Street, Billingham, TS23 4HE, England
- **SIC:** 43390

### Officers

- NICHOLSON, William — director · British · appointed 2020-07-01
- CLARK, Geoffrey — secretary · British · appointed 2004-03-01 · resigned 2011-02-24
- GIBBEN, Susan — secretary · British · appointed 2007-10-24 · resigned 2020-04-20
- FORM 10 SECRETARIES FD LTD — corporate nominee secretary · appointed 2004-02-24 · resigned 2004-02-27
- CLARK, Geoffrey — director · British · appointed 2021-05-01 · resigned 2024-06-01
- CLARK, Geoffrey — director · British · appointed 2020-07-01 · resigned 2020-10-01
- HIGHFIELD, Thomas — director · British · appointed 2020-10-01 · resigned 2024-06-01
- NICHOLSON, Catherine — director · British · appointed 2020-05-01 · resigned 2020-07-01
- NICHOLSON, William — director · British · appointed 2004-03-01 · resigned 2020-05-01
- FORM 10 DIRECTORS FD LTD — corporate nominee director · appointed 2004-02-24 · resigned 2004-02-27

### Beneficial owners (Persons with Significant Control)

- Mrs Catherine Nicholson — 75–100% shares · individual PSC · England — since 2020-06-10
- Mr William Nicholson — 75–100% shares · individual PSC · England — ceased 2020-06-10

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05054155

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **A1 BUILDING (SPECIALIST SERVICES) LTD**. Human view: https://whiteintel.dev/entity/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403 · Structured JSON: https://whiteintel.dev/api/public/dossier/a8fb1bdd-c43d-55ef-b83d-e597dfa4b403._

_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"._