---
title: "AUCTION BIDCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/77449129-cd17-54fc-b381-d4d184cc6a5f
json: https://whiteintel.dev/api/public/dossier/77449129-cd17-54fc-b381-d4d184cc6a5f
identifier: oo:GB-COH-12401140
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AUCTION BIDCO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12401140`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/77449129-cd17-54fc-b381-d4d184cc6a5f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/77449129-cd17-54fc-b381-d4d184cc6a5f  

## Ownership & control

### Owners / controllers

- **AUCTION HOLDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a3986d62-48f6-502c-8da2-9d6ffc4fdb3b
- **AUCTION HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a3986d62-48f6-502c-8da2-9d6ffc4fdb3b

### Holdings / subsidiaries

- **ATG HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/2d5fe564-0dcb-5bc2-ae87-35dc8d445468
- **TURNER TOPCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/291dfdaf-dc96-5f71-943d-f2641e0152ca
- **TURNER TOPCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/291dfdaf-dc96-5f71-943d-f2641e0152ca
- **ATG HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2d5fe564-0dcb-5bc2-ae87-35dc8d445468

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

A **8-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:** `12401140`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-01-13
- **Registered office:** The Harlequin Building, 6th Floor, 65 Southwark Street, London, SE1 0HR, England
- **SIC:** 64209

### Officers

- HIGHFIELD, Sarah Louise — director · British · appointed 2025-05-15
- PAINTER, Duncan Anthony, Mr  — director · British · appointed 2026-05-05
- DANDL, Stefan Alexander — director · German · appointed 2020-01-13 · resigned 2020-02-13
- HARGREAVES, Thomas Eric — director · British · appointed 2020-02-13 · resigned 2025-02-28
- LEWIS, Richard Benedict — director · British · appointed 2025-02-28 · resigned 2025-05-15
- SAVANT, John-Paul — director · British,American · appointed 2020-02-13 · resigned 2026-05-05
- SEIGLER III, Joseph Morgan — director · American · appointed 2020-01-13 · resigned 2020-02-13

### Beneficial owners (Persons with Significant Control)

- [Auction Holdco Limited](https://whiteintel.dev/entity/a3986d62-48f6-502c-8da2-9d6ffc4fdb3b) — 75–100% shares · corporate PSC · United Kingdom — since 2020-01-13

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12401140
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12401140

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AUCTION BIDCO LIMITED**. Human view: https://whiteintel.dev/entity/77449129-cd17-54fc-b381-d4d184cc6a5f · Structured JSON: https://whiteintel.dev/api/public/dossier/77449129-cd17-54fc-b381-d4d184cc6a5f._

_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"._