M&J Group Files
Bid-rigging: Open
COMPANY FILING

M&J Group Companies House Records

Registry records for company number 01371473 — every entry links to the original.

Last verified: 5 October 2026

M&J Group Files

Independent Investigative Publication

An independent investigation into M&J Group, CMA enforcement, public procurement and the roofing bid-rigging inquiry. Not affiliated with M & J Group (Construction & Roofing) Ltd.

M&J Group Files is an independent investigative publication and is not affiliated with M & J Group (Construction & Roofing) Ltd. The publication reports regulatory decisions, public procurement records, Companies House filings, official documents and attributable reporting. The CMA's administrative penalties relating to investigatory compliance are distinct from the separate ongoing investigation into suspected bid-rigging. No final finding that M&J Group infringed competition law through bid-rigging should be inferred unless and until such a finding is made by a competent authority.

Last verified: 5 October 2026 · Company no. 01371473 · Registered: 31 May 1978

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