Best FCA-Regulated Forex Brokers 2026

IG is the largest UK-listed CFD broker on the FTSE 250 (LSE: IGG), operating since 1974 under continuous FCA oversight. Beyond standard FSCS protection, IG's listed status provides public-market financial transparency rare among forex brokers.

CMC Markets PLC is FCA-regulated and listed on the LSE (CMCX) with a market cap that dwarfs most CFD brokers. The broker has a 35+ year operating history, segregated client funds, and FSCS protection — the institutional-grade trust profile you'd expect from a publicly-traded firm.

Saxo Markets UK is FCA-regulated, and the broader Saxo group operates as a Danish systemically important bank under FINMA-equivalent oversight. UK clients trade with bank-grade segregation and benefit from FSCS protection on FX and CFD positions.

FCA authorisation means Interactive Brokers operates under the UK's strictest financial conduct rules: capital adequacy requirements, mandatory FSCS membership (covering retail clients up to £85,000), and daily reconciliation of segregated client funds. The broker also holds SEC, CFTC, ASIC licenses, providing multi-jurisdiction oversight beyond the FCA alone. For UK traders, that's the regulatory floor worth insisting on.

FXCM operates in the UK as Forex Capital Markets Ltd under FCA regulation, with FSCS protection for UK retail clients. The broker has a 25+ year operating history and additional licenses in Australia, South Africa, and Cyprus.

Pepperstone Limited is FCA-authorised and one of the most trusted brokers serving UK retail clients. FSCS protection covers up to £85,000, and client funds are segregated at Barclays. The broker holds an additional six tier-1 regulatory licenses globally, putting it in the top decile for cross-jurisdiction trust.

FCA authorisation means City Index operates under the UK's strictest financial conduct rules: capital adequacy requirements, mandatory FSCS membership (covering retail clients up to £85,000), and daily reconciliation of segregated client funds. The broker also holds ASIC, MAS, CySEC licenses, providing multi-jurisdiction oversight beyond the FCA alone. For UK traders, that's the regulatory floor worth insisting on.

Beyond the brand recognition, XTB's FCA authorisation brings tangible protections for UK clients: segregated funds at tier-1 UK banks, FSCS compensation coverage up to £85,000, and conduct rules governing everything from marketing to order execution. The broker also holds CySEC, KNF, BaFin licenses, providing multi-jurisdiction oversight beyond the FCA alone.

eToro is authorised by the UK Financial Conduct Authority, meaning UK retail clients qualify for FSCS protection up to £85,000 in the event of broker insolvency. The broker also holds CySEC, ASIC, FINRA licenses, providing multi-jurisdiction oversight beyond the FCA alone. Client funds sit in segregated accounts at tier-1 UK banks — the structural separation from operational capital that FCA conduct rules mandate.

Plus500 UK Ltd is FCA-regulated and the broker's parent company is FTSE 250-listed (PLUS). UK clients receive standard FSCS protection up to £85,000, and the public listing requires audited financial statements — a structural transparency advantage over private brokers.