EU and UK payment regulation offers four distinct license categories — EMI, SPI, PI (called API in the UK), and SEMI. Each has different capabilities, capital requirements, passporting rights, and volume limits. This guide helps buyers identify the right license for their business model.
Short answer: If you need to issue e-money (e-wallets, prepaid cards), choose EMI (or SEMI for smaller-volume e-money). If you provide payment services without issuing e-money, choose PI/API for full scope or SPI for smaller-volume operations. EMI and PI/API offer EU passporting; SEMI and SPI have volume caps and limited cross-border rights.
| Dimension | EMI | SEMI | PI / API | SPI |
|---|---|---|---|---|
| What it does | Issues e-money + provides payment services | Issues e-money (smaller scale) + provides payment services | Provides payment services (no e-money issuance) | Provides payment services (smaller scale) |
| EU/UK terminology | EMI (EU) / AEMI (UK) | Small EMI | PI (EU) / API (UK) | Small PI |
| Initial capital | €350,000 | €20k–€50k (UK SEMI: £50k) | €20k–€125k by service | No statutory minimum |
| Volume cap | None | €5M outstanding e-money (typical) | None | €3M monthly transactions |
| EU passporting | Full | Limited | Full | Limited |
| Fresh authorisation time | 9–18 months | 3–6 months | 6–18 months | 2–6 months |
| Acquisition cost (relative) | High | Mid | High | Low |
| Best for | Full-scope e-money/payments at scale | Niche e-money use cases | Full payment services without e-money | Testing market or niche payment use cases |
Acquisition costs scale with capability and capital position. SPIs are the cheapest entry point with no minimum capital and lighter ongoing requirements. SEMIs sit in the mid-range with reduced capital but e-money issuance capability. Full PI/APIs command premium pricing for unlimited-volume payment services, particularly in jurisdictions like UK (FCA) and Luxembourg (CSSF). Full EMIs are typically the most expensive due to €350,000+ capital deployed and full e-money issuance capability with EU passporting.
Yes, regulators support SPI-to-PI upgrades when volume or business model justifies the move. Upgrading requires meeting full PSD2 capital requirements and enhanced governance arrangements. Existing SPI track records are typically viewed favourably in upgrade applications.
Yes, SEMI-to-EMI upgrades are supported by EU regulators. Upgrading requires meeting full EMI capital requirements (€350,000) and enhanced compliance arrangements. The transition is usually smoother than fresh EMI applications because the entity has an established regulator relationship.
The UK’s FCA uses “Authorised Electronic Money Institution (AEMI)” and “Authorised Payment Institution (API)” — its own terminology under the Payment Services Regulations 2017. Substantively, AEMI = EU EMI and API = EU PI under PSD2 / EMD2. Post-Brexit, UK AEMI and API no longer have automatic EU passporting rights.
SPIs are typically fastest to acquire (6–10 weeks corporate transfer plus regulator notification). EMIs and full PIs take longer (4–6 months including regulatory change-of-control approval), but the corporate transfer itself can complete in weeks once approval is in hand.
Many fintech business models touch both e-money issuance and payment services. EMIs and SEMIs can do both (within their volume caps for SEMI). Full PIs and SPIs cannot issue e-money. Most fintech operators with hybrid models choose EMI for full flexibility.
Contact Estrella for a confidential discussion of your business model and the optimal payment license category for your acquisition strategy.
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