FCA Regulated Forex Brokers UK 2026 — Complete Authorised List

The Financial Conduct Authority (FCA) is the UK's primary financial services regulator, overseeing approximately 51,000 firms including all retail forex brokers operating in the UK. FCA authorisation is not a rubber stamp — it requires brokers to meet ongoing capital adequacy requirements, conduct regular internal audits, submit to FCA supervision, and adhere to strict conduct rules designed to protect retail consumers.

For UK traders, choosing an FCA-authorised broker provides six concrete protections that offshore-regulated brokers cannot offer: (1) client funds must be held in segregated accounts at authorised UK banks; (2) FSCS compensation up to £85,000 per client if the broker becomes insolvent; (3) FCA enforcement powers including the ability to freeze assets, revoke authorisation, and prosecute misconduct; (4) mandatory best-execution obligations on all client orders; (5) retail leverage limits that prevent catastrophic losses from over-leverage; and (6) negative balance protection, preventing losses beyond your account balance.

The FCA also maintains a Warning List at fca.org.uk/scamsmart of firms operating without authorisation, and a 'Clone Firm' alert system for fraudulent operations copying legitimate firms' credentials. These enforcement tools have no equivalent in offshore jurisdictions, where regulatory action against dishonest brokers is rare.

FCA authorisation status can change. A broker may be authorised today and have their licence revoked tomorrow. Always verify current status at register.fca.org.uk rather than relying on a broker's self-reported claim.

IG Group Holdings plc — FCA FRN: 195355 | Status: Authorised | Authorised since 1974 | Services: Forex CFDs, Spread Betting, Share Dealing | FSCS: Yes | One of the world's largest forex and CFD brokers. Publicly listed on the London Stock Exchange (LON: IGG). Offers 17,000+ markets including full spread betting suite.

CMC Markets UK plc — FCA FRN: 173730 | Status: Authorised | Authorised since 1989 | Services: Forex CFDs, Spread Betting, Share CFDs | FSCS: Yes | Publicly listed (LON: CMCX). Over 10,000 instruments. Next Generation proprietary platform widely regarded as the best retail spread betting platform in the UK.

Pepperstone Limited — FCA FRN: 684312 | Status: Authorised | Services: Forex CFDs, Spread Betting | FSCS: Yes | Australian-origin broker with full FCA authorisation. Market-leading ECN execution with EUR/USD raw spreads averaging 0.09 pips on Razor account. Supports MT4, MT5, and cTrader.

City Index (Gain Capital UK Ltd) — FCA FRN: 446717 | Status: Authorised | Authorised since 2000 | Services: Forex CFDs, Spread Betting | FSCS: Yes | Owned by StoneX Group (NASDAQ: SNEX). Combines strong spread betting offering with Refinitiv market data integration. City Index Active Trader accounts offer tighter spreads for higher-volume traders.

Saxo Bank A/S (UK Branch) — FCA FRN: 551422 | Status: Authorised | Services: Multi-Asset CFDs, Forex | FSCS: Yes | Danish-headquartered institutional-grade broker with full UK FCA branch authorisation. Best-in-class research and multi-asset access. Minimum meaningful deposit of £500+ recommended. EUR/USD from 0.4 pips on Classic tier.

Spreadex Limited — FCA FRN: 187820 | Status: Authorised | Authorised since 1999 | Services: Financial Spread Betting, Sports Spread Betting | FSCS: Yes | Unique dual financial/sports spread betting platform. EUR/USD from 0.6 points. FCA-authorised with FSCS protection.

Tickmill UK Ltd — FCA FRN: 717270 | Status: Authorised | Services: Forex CFDs | FSCS: Yes | ECN broker with the lowest commission rate of any FCA-authorised provider ($2 per side on Pro account). EUR/USD raw spreads from 0.0 pips. Strong for cost-conscious active traders.

FXCM Limited — FCA FRN: 217689 | Status: Authorised | Authorised since 2000 | Services: Forex CFDs | FSCS: Yes | One of the longest-established FCA-regulated forex brokers. NDD (No Dealing Desk) execution guarantee. Active Trader pricing available for high-volume accounts.

Interactive Brokers (UK) Limited — FCA FRN: 208159 | Status: Authorised | Services: Multi-Asset Brokerage Including Forex | FSCS: Yes | Institutional-grade multi-asset broker with genuine interbank forex access. Best for traders who also want equity, options, futures, and bonds under a single FCA-regulated account. Not optimised for retail forex-only traders.

The Financial Services Compensation Scheme (FSCS) provides a compensation backstop for UK retail clients of FCA-authorised investment firms including forex brokers. The current compensation limit is £85,000 per eligible claimant per firm — a limit that was raised from £50,000 in 2019 and aligned with EU Deposit Guarantee Scheme levels.

FSCS protection covers: cash held in your trading account with an FCA-authorised broker, and the value of open positions (subject to the £85,000 cap), in the event that the broker becomes insolvent and cannot return client assets. This protection applies even if the broker's insolvency results from fraud, mismanagement, or market losses that exceed the firm's capital.

What FSCS does not cover: trading losses from your own positions (you cannot claim compensation because your trades lost money); amounts above £85,000 (though most retail traders' account balances fall below this threshold); accounts at brokers that are FCA-registered rather than FCA-authorised (there is a difference — always check for 'Authorised' status); and accounts where you voluntarily opted into professional client status.

To make an FSCS claim, the firm must first be declared in default by the FSCS (they have declared approximately 1 claim per year in the forex/CFD category over the past decade). Claims are processed within 7–14 working days for straightforward cases. The FSCS is funded by a levy on the financial services industry — not by government taxpayer funds.

Verifying a broker's FCA status takes less than 2 minutes and is the single most important due diligence step any UK trader can take. Here is the exact process:

Step 1: Go to register.fca.org.uk/s/firms. This is the official, real-time FCA Financial Services Register.

Step 2: Search for the broker by name. Multiple results may appear — check the 'Status' column for each.

Step 3: Look for a status of 'Authorised'. Brokers with 'Registered', 'Exempt', or 'Appointed Representative' status have significantly fewer protections. 'Cancelled' or 'Suspended' means their authorisation has been revoked.

Step 4: Note the Firm Reference Number (FRN) on the register. Go to the broker's website and find their stated FRN (typically in the footer or legal disclosures). The numbers must match exactly. If they differ by even one digit, stop immediately — this is a potential clone firm.

Step 5: Check the FCA Warning List at fca.org.uk/consumers/warning-list-firm to confirm the broker does not appear as an unauthorised or clone firm. This list is updated regularly and includes firms that the FCA has received complaints about.

If a broker fails any of these steps, do not deposit funds. Report suspicious firms to the FCA at fca.org.uk/consumers/reporting-scam-firm.

One of the most significant regulatory protections the FCA provides is retail leverage limits, introduced in 2018 as an emergency measure and made permanent in 2019 following evidence that high leverage was the primary driver of retail client losses in the CFD and forex market.

Current FCA leverage caps for retail clients: 1:30 for major currency pairs (EUR/USD, GBP/USD, USD/JPY, EUR/GBP, USD/CHF, AUD/USD, USD/CAD); 1:20 for non-major currency pairs, gold, and major stock indices; 1:10 for commodities other than gold and non-major stock indices; 1:5 for individual company shares and other reference values; 1:2 for cryptocurrency assets.

These limits apply to retail clients of all FCA-authorised brokers. A broker cannot offer UK retail clients higher leverage than these caps, regardless of what they offer in other jurisdictions. Any UK broker advertising leverage of 1:500 or higher to retail clients is either operating without FCA authorisation or engaging in misleading marketing — both are grounds to avoid them entirely.

Professional client status allows access to higher leverage but requires meeting strict eligibility criteria: (1) you must have carried out significant trades in the relevant market at an average of 10 per quarter over the past year; (2) your financial instrument portfolio (including cash deposits) must exceed €500,000; or (3) you must have worked in the financial sector for at least one year in a professional position requiring knowledge of leveraged trading. Electing professional status means giving up FSCS protection, negative balance protection, and the FCA's retail conduct rules.

The FCA processes thousands of complaints annually about unauthorised forex brokers targeting UK residents. Here are the most reliable warning signs that a broker is not genuinely FCA-regulated:

Leverage above 1:30 for major pairs: No FCA-authorised broker can legally offer retail clients more than 1:30 leverage on major forex pairs. Any broker advertising 1:100, 1:200, or 1:500 to UK retail clients is not FCA-authorised.

Bonuses on deposit: The FCA explicitly prohibits retail forex brokers from offering deposit bonuses as inducements to trade. Any broker offering 'match your deposit' or 'free trading credits' is violating FCA marketing rules, regardless of their stated regulatory status.

FRN that doesn't match the FCA register: Always verify the FRN on register.fca.org.uk. Clone firms copy legitimate FRNs — the FCA maintains a list of known clone firm alerts.

Pressure to deposit quickly or guarantee profits: FCA conduct rules require brokers to prominently disclose that the majority of retail clients lose money. Any broker suggesting they can guarantee returns, or using high-pressure sales tactics to encourage rapid deposits, is violating FCA marketing standards.

Offshore address with FCA claims: A broker headquartered in Vanuatu, Belize, or similar jurisdictions cannot provide genuine FCA authorisation. FCA-authorised firms must have a UK registered office or approved UK branch.