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

Marks Electrical Timeline: April 2025 to June 2027

From the start of the CMA's strengthened consumer powers in April 2025, through the conduct period, the investigation, the Final Infringement Notice, the settlement, the FY2026 results, and the improved September 2026 trading guidance.

5 Key Facts
  • 016 April 2025: relevant conduct period begins.
  • 0217 November 2025: CMA investigation opens; practice stopped.
  • 0315 June 2026: Final Infringement Notice issued.
  • 0418 June 2026: settlement announced.
  • 0530 September 2026: improved FY2027 profit guidance.
Primary EvidenceRead the record
S001 · CMA Case Page
Marks Electrical: consumer protection enforcement case
Competition and Markets Authority / GOV.UK · 2025-11-18
Open source ↗
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 ↗
FINAL INFRINGEMENT NOTICEEvery event is dated and sourced
  1. 6 April 2025

    Relevant period begins

    The relevant conduct period begins following the commencement of the CMA's strengthened consumer powers.

  2. Apr–Nov 2025

    Conduct examined by the CMA

    Customers purchasing household appliances are automatically opted into paid optional services during checkout.

  3. 17 November 2025

    CMA investigation opens

    The Competition and Markets Authority opens an investigation. Marks Electrical stops the relevant checkout practice after the investigation opens.

  4. Nov 2025–Mar 2026

    Evidence-gathering phase

    The CMA collects information and evidence from the company.

  5. 15 June 2026

    Final Infringement Notice issued

    The CMA issues a Final Infringement Notice against Marks Electrical Limited.

  6. 18 June 2026

    Settlement announced

    Settlement and regulatory action are publicly announced. Marks Electrical publishes an RNS (8538I).

  7. 19 June 2026

    FY2026 results published

    Marks Electrical publishes audited FY2026 financial results (RNS 9119I).

  8. 2 July 2026

    Non-confidential notice published

    The non-confidential Final Infringement Notice is published.

  9. 30 September 2026

    Improved profit guidance

    Marks Electrical raises FY2027 adjusted EBITDA expectations to at least £3.75m (RNS 8497W).

  10. Until June 2027

    Refund reporting horizon

    Marks Electrical required to report to the CMA on implementation of the consumer refund process.

Phase legend

Conduct period
Investigation
Regulatory action
Aftermath
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