The Financial Conduct Authority is the UK's conduct regulator and the lead supervisor for the investor-facing layer of the British tokenisation stack. FCA's statutory remit covers consumer protection, market integrity, and competition under the Financial Services and Markets Act 2000 as restructured by FSMA 2012, and it operates independently of government while remaining accountable to Parliament. For tokenisation, FCA oversees tokenised securities markets through the existing securities-regulation framework, jointly runs the UK Digital Securities Sandbox with the Bank of England and PRA, supervises CASS rules for client-asset segregation that any tokenised-product custodian must comply with, runs the cryptoasset registration regime under the Money Laundering Regulations 2017, and enforces financial-promotion rules for cryptoasset promotions in force from October 2023. For an operator with any UK retail-facing tokenised product, FCA is the lead conduct counterparty.
What they do
FCA is the day-to-day cryptoasset perimeter regulator in the UK. It supervises authorised firms across investment management, broker-dealing, payments, and consumer credit, and brings cryptoasset-active firms inside that perimeter through the AML/CTF registration regime and the financial-promotion gateway. FCA does not issue banking licences (PRA does) and does not run wholesale settlement infrastructure (Bank of England does), but every UK-distributed tokenised product passes through FCA conduct rules at the point it touches an investor.
Tokenisation footprint
- Joint operator of the UK Digital Securities Sandbox under FSMA 2023 with the Bank of England and PRA. FCA leads on conduct and market-integrity supervision inside the sandbox.
- Supervisor of the cryptoasset registration regime under the Money Laundering Regulations 2017 (MLR), the default supervisory entry point for UK-based cryptoasset firms.
- Operator of the financial-promotion regime for cryptoasset promotions, which came into force October 2023 and shapes how any tokenised instrument can be marketed to UK retail.
- Lead authority on the stablecoin authorisation pipeline. CP24/20 (November 2024) is the central reference for the proposed payment-stablecoin and custody regime; final policy statement timing is unresolved as of early 2026 (see United Kingdom).
- Custody supervisor via the CASS sourcebook. Any UK firm holding tokenised client assets must comply with CASS segregation and reconciliation rules, and the application of CASS to on-chain holdings is part of the open guidance pipeline.
Regulatory positioning
FCA's statutory perimeter sits inside the broader UK regulatory architecture established by FSMA 2012, which split the former Financial Services Authority into a conduct regulator (FCA) and a prudential regulator (PRA, embedded inside the Bank of England). It operates as an independent body funded by levies on regulated firms, accountable to Parliament rather than to a department, but its statutory objectives and broad rule-making powers can be modified by primary or secondary legislation initiated by HM Treasury. On tokenisation specifically, FCA does not legislate the perimeter; HM Treasury sets the legislative envelope through FSMA 2023 secondary legislation and FCA fills it out with rules.
FCA supervises investment firms, payment institutions, e-money issuers, consumer-credit firms, mutuals, financial advisers, and the conduct side of dual-regulated firms whose prudential side sits with PRA. The exact size of the supervised population varies year to year and FCA reports it in its annual perimeter review; the perimeter is wide and any UK tokenisation programme touching retail or unsophisticated counterparties is highly likely to fall inside it. For wholesale-only activity, FCA's market-conduct remit (UK MAR, the listing regime, market-abuse rules) still applies, and the DSS is the principal vehicle through which conduct rules are being adapted to DLT-native venues.
The agency's tokenisation posture is characteristically cautious on retail and pragmatic on wholesale. Retail cryptoasset promotion has been tightened (October 2023 financial-promotion rules, Consumer Duty overlay), while DSS participation is open to wholesale infrastructure providers and the FCA has signalled it would rather modify existing rules than build a parallel rulebook. That posture aligns with the broader UK approach of legislating slowly and piloting widely.
Open questions
- Final policy statement timing on the CP24/20 stablecoin and custody regime, and whether the published rules will diverge meaningfully from MiCA's EMT requirements on reserve composition and redemption rights.
- How CASS rules apply to tokenised client assets held on a shared institutional ledger, particularly for omnibus versus segregated on-chain accounts.
- Whether FCA will publish a standalone supervisory expectation for AI agents transacting in tokenised products under regulated firms' conduct umbrella, or treat agentic flows under existing client-categorisation rules.
- The cohort composition and graduation pathway for DSS participants under FCA conduct supervision.