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

M&J Group Revenue and Profit Fell Sharply in 2025

What the 2025 filed accounts show — and what they do not establish about causation.

Last verified: 5 October 2026

IMPORTANT DISTINCTION

The penalties described on this website concern failures to comply with CMA investigative requirements during an inspection.

The separate CMA investigation into suspected bid-rigging remains ongoing.

The CMA has expressly stated that no assumption should currently be made that competition law has been infringed.

According to the 2025 filed group accounts, M&J Group's turnover fell from £42.6 million in 2024 to approximately £40.8 million in 2025. Pre-tax profit also declined.

Metric202320242025Change (24→25)
Turnover£38.2m£42.6m£40.8m▼ ~4.2%
Operating Profit£3.9m£4.7m£4.4m▼ ~6.4%
Pre-Tax Profit£3.8m£4.6m£4.4m▼ ~4.3%
Employees (avg)889194▲ ~3.3%

What the Accounts Do Not Establish

This page does not state that the CMA investigation caused the decline. Causation is not established by the filed accounts alone.

Correct framing:

"The financial decline occurred during the wider period of the CMA investigation."

Incorrect framing (this page does not say):

"The CMA investigation caused revenue to collapse."

Whether the decline reflects market conditions, project timing, the investigation, or other factors is not established by the accounts. Any causation claim would need to come from management commentary or another credible authoritative source.

Source

Companies House — Group accounts to 31 December 2025 [S007]

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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