Independent Publication · Not Affiliated with Marks Electrical
CMA Case:Closed
Final Infringement Notice:Issued
Penalty:£720,000
Consumer Redress:~£600,000
Customers:Nearly 40,000
Refund Programme:Ongoing
Latest Trading Update:30 Sep 2026

Last updated 5 October 2026

Why Was Marks Electrical Fined £720,000?

The CMA imposed a £720,000 financial penalty on Marks Electrical Limited after finding that customers were automatically opted into paid optional services without express agreement — an amount reflecting a 40% reduction because the company admitted the infringement and settled early.

5 Key Facts
  • 01The final penalty is £720,000.
  • 02The undivided penalty was approximately £1.2m.
  • 03A 40% settlement reduction was applied.
  • 04Marks Electrical admitted the infringement and agreed not to appeal.
  • 05The CMA's exact figure is authoritative; the company's RNS rounded it to ~£0.7m.
Primary EvidenceRead the record
S002 · CMA Press Release
CMA orders Marks Electrical to refund customers over pre-selected extra charges
Competition and Markets Authority / GOV.UK · 2026-06-18
Open source ↗
S003 · Final Infringement Notice
Marks Electrical Final Infringement Notice
Competition and Markets Authority · 2026-07-02
Open source ↗
S004 · RNS Announcement
Conclusion of CMA Investigation
Marks Electrical Group plc / RNS · 2026-06-18
Open source ↗

The penalty calculation

Undiscounted Penalty
~£1.2m
40% Settlement Reduction
↓
Final Penalty
£720,000

Why the penalty was reduced

The 40% reduction reflected that Marks Electrical:

  • —admitted the infringement;
  • —agreed to settle early;
  • —accepted a streamlined administrative procedure;
  • —agreed to comply with the settlement conditions;
  • —agreed not to appeal.
COMPANY DISCLOSURE

The company's own RNS (18 June 2026) rounded the discounted amount to approximately £0.7m. The regulator's published exact figure is £720,000. This site uses the CMA figure as authoritative.

Primary EvidenceRead the record
S003 · Final Infringement Notice
Marks Electrical Final Infringement Notice
Competition and Markets Authority · 2026-07-02
Open source ↗

The Final Infringement Notice sets out the legal basis and the penalty calculation in full.

What the fine is — and is not

The £720,000 is a civil financial penalty for a consumer-protection-law infringement. It is not a criminal fine, and the regulator has not described the conduct as fraud, theft or dishonesty.

Marks Electrical Files

An Independent Investigation

An independent investigation into Marks Electrical, consumer law and the CMA case. Source-led, documented, and accountable.

Marks Electrical Files is an independent publication and is not affiliated with Marks Electrical Group plc or Marks Electrical Limited.

This website reports information from regulatory decisions, corporate filings, company announcements, financial statements, Companies House records and attributable news reporting. Regulatory findings are identified as such. Commentary and analysis are separately labelled. Readers are encouraged to review the original documents linked throughout this publication.

© 2026 Marks Electrical Files · Last updated 5 October 2026