Visa and Mastercard face £700m class action over post-Brexit fees
Visa and Mastercard face a £700m UK class action over alleged post-Brexit fee overcharges on EEA-issued card payments to UK businesses. The claim, filed by Ann Pope, alleges fees increased fivefold after EU caps ceased to apply, costing UK businesses £150m-£200m annually. Mastercard disputes the claim, stating interchange fees support the payments ecosystem.
How this was made

The 30-second read
Why it matters
The lawsuit could result in a multi‑hundred‑million pound liability, prompting investors to reassess risk exposure for the two card networks.
Market read
First disclosure of a major UK class action against Visa and Mastercard, introducing new legal risk that could affect share prices and sector sentiment.
What to watch
Potential for settlement or regulatory caps that could limit long‑term impact on fees.
Background
A UK Competition Appeal Tribunal case has been filed by Ann Pope alleging Visa and Mastercard overcharged UK merchants after EU fee caps ended post‑Brexit.
Ticker impact
Visa is a defendant in a newly filed £700m UK class action alleging overcharged interchange fees post‑Brexit.
likely downward pressure as market prices in legal risk
First report of a large class action; investors may discount the stock pending outcome.
Mastercard is also named in the same £700m UK class action over alleged post‑Brexit fee overcharges.
likely downward pressure as market prices in legal risk
First report of a sizable legal claim; market may react negatively to the uncertainty.
Market effects
Payments and card‑network sector faces heightened regulatory scrutiny and potential cost pressures.
UK merchants and EEA‑based card users may see fee adjustments if the case leads to caps.
Large global issuers could see broader scrutiny, influencing investor sentiment across payment processors.
Counterpoint
If the claim is dismissed, the litigation risk may be overstated and stocks could rebound.
Key entities
- companyVisa Inc.
US‑listed payment network defendant in the class action.
- companyMastercard Inc.
US‑listed payment network defendant in the class action.
- individualAnn Pope
Former CMA senior director leading the litigation.



