Arjun Lakhani is a payments and fintech regulatory adviser with extensive experience advising banks, payment systems, fintech companies, and other financial institutions on UK and EU financial services regulations. His practice covers the full spectrum of regulatory issues, with particular focus on payments, e-money, and fintech matters - including complex matters arising from PSD2, the E-Money Directive, AML rules, and the Interchange Fee Regulation.

He advises on a wide variety of regulatory and compliance issues, including authorization projects, regulatory structuring, safeguarding, outsourcing, operational resilience, and engagement with supervisors including the FCA, Bank of England, and Payment Systems Regulator. Arjun has guided clients through major regulatory change projects and frequently supports transactions involving regulated entities in the payments sector.

His broader work includes governance, financial crime compliance, cryptoasset regulation, buy-now-pay-later regulation , and emerging technologies like AI. Arjun has completed secondments at both a payment system and an e-money institution, giving him practical insight into the operational and regulatory challenges fintech businesses face.