E-Money Institutions: The Complete Guide to What They Are, How They Work, and Who Uses Them

Electronic money institutions have become the primary banking infrastructure for a significant and growing segment of UK and European businesses — particularly those in sectors that mainstream banks will not serve, but also for international businesses, fintech operators, and any organisation that needs payment capabilities beyond what traditional banking provides. Understanding what an EMI actually is — how it is regulated, what it can and cannot do, and how the safeguarding mechanism works — is essential for any business making EMI accounts a core part of its treasury infrastructure.

The Legal Definition of Electronic Money

Electronic money is defined in the Electronic Money Regulations 2011 (EMRs 2011) as electronically (including magnetically) stored monetary value represented by a claim on the electronic money issuer which is issued on receipt of funds for the purpose of making payment transactions and accepted by a person other than the electronic money issuer. This precise definition has three key elements: the value is stored electronically; it represents a claim on the issuer; and it is issued in exchange for funds received and used for payment purposes.

This definition distinguishes e-money from bank deposits (which involve a debtor-creditor relationship rather than a claim on the issuer), from stored value specific to a single merchant (excluded from EMRs 2011), and from investment instruments. An EMI account balance is a claim against the EMI — the EMI owes you the value of your balance, redeemable at par on demand — and the EMI is required to maintain safeguarded funds covering that liability at all times.

The Regulatory Framework

Authorised Electronic Money Institutions in the UK are authorised and supervised by the Financial Conduct Authority under the Electronic Money Regulations 2011. The FCA maintains the Financial Services Register, which lists all authorised EMIs and their permitted activities. EMIs are subject to the FCA's supervisory framework including ongoing capital adequacy requirements, safeguarding compliance (including the annual safeguarding audit), AML/CTF obligations under the Money Laundering Regulations 2017, and SM&CR for key individuals. EMIs are not PRA-supervised (unlike banks) and do not hold a banking licence, but FCA supervision provides a meaningful regulatory framework that protects customers and maintains market integrity.

The minimum initial capital for a fully authorised EMI is €350,000 (retained from the 2EMD as the UK baseline post-Brexit). Ongoing capital must be maintained at the higher of the initial minimum or an amount calculated by reference to the average outstanding e-money. Large EMIs with significant client balances may have ongoing capital requirements materially above the initial minimum.

What EMIs Can and Cannot Do

An EMI can: issue electronic money; provide all payment services listed in Schedule 1 of the Payment Services Regulations 2017 (which includes money remittance, execution of payment transactions, account information, payment initiation); hold client funds in safeguarded accounts; offer multi-currency accounts; provide card-based payment products (prepaid cards, virtual cards); and provide international payment capabilities including SWIFT and SEPA. An EMI cannot: accept deposits in the legal sense (which requires a bank licence); extend credit to clients (EMIs cannot offer overdrafts or loans); pay interest on e-money balances (prohibited under EMRs 2011 unless structured as a separate product).

Safeguarding: The Client Protection Mechanism

The safeguarding obligation under Regulation 21 of EMRs 2011 is the mechanism that protects client funds held at an EMI. The EMI must hold an amount equivalent to the outstanding e-money float in designated safeguarding accounts at FCA-eligible credit institutions, clearly separated from the EMI's own operational funds. Daily reconciliation between the outstanding e-money liability and the safeguarding account balance is required, and the annual safeguarding audit provides independent assurance of compliance.

In the event of an EMI's insolvency, the safeguarded funds are ring-fenced and returned to clients in priority over the EMI's general creditors under the Payment and Electronic Money Institution Insolvency Regulations 2021. This protection is the EMI equivalent of the bank deposit protection mechanism — different in structure from FSCS but providing meaningful protection for client funds when properly implemented.

Who Uses EMIs and Why

EMIs are used across a wide spectrum of business types. iGaming operators, crypto exchanges, FX brokers, and offshore-registered companies use specialist EMIs because mainstream banks will not serve them. International businesses use EMIs for multi-currency accounts and global payment capabilities that mainstream bank business accounts do not provide cost-effectively. Fintech startups use EMIs for their technology-first account management interfaces and API connectivity. Import/export businesses use EMIs for the FX conversion and international payout capabilities that reduce the cost of cross-border trade. In each case, the common thread is that the EMI provides payment capabilities that are more accessible, more feature-rich, or more appropriate for the specific business than the available alternatives. For high-risk sectors in particular, EMIs are not the alternative to banking — they are the banking.