Topic
Independent broker review

City Index Review

This review covers the UK-facing City Index service and the named StoneX Financial Ltd entity, not every StoneX group company or regional offering. The FCA register provides an independently checkable firm record, while City Index publishes information about platforms, pricing and funding. Those disclosures do not amount to a BrokerSafari test of execution, withdrawals or account service. Confirm the company named in your account agreement and the permissions and terms that apply to your product.

Evidence Score
8.8 / 10Strong · medium evidence confidence
Last reviewed
Checked

At a glance

Broker / name reviewed
City Index
Website
UK-facing City Index service at cityindex.com/en-uk; terms and eligibility may differ elsewhere.
Legal entity
StoneX Financial Ltd is identified by City Index as the UK trading-name operator. FCA reference 446717; company number 05616586.
Regulation
The UK FCA register lists StoneX Financial Ltd as authorised under FRN 446717. The register notes that permission is activity- and product-specific.
Trading products / services
UK-facing CFDs and spread betting; confirm the product, account entity and eligibility in current terms.
Platform
City Index Web Trader, mobile apps, MetaTrader 4 and TradingView are described on the UK platform pages; access depends on account type.
Minimum deposit
Not independently verified by BrokerSafari.
Account tested by BrokerSafari
No. Public-source desk research only.
Last reviewed
22 October 2026
BrokerSafari Evidence Score
8.8 / 10 — Strong
Evidence confidence
medium
Evidence coverage
62.3%

Pros and cons

Pros

  • The FCA register identifies StoneX Financial Ltd under FRN 446717 as authorised.
  • City Index identifies StoneX Financial Ltd as the operator of the UK-facing City Index service.

Cons

  • The exact entity and product for a reader outside the reviewed UK scope.
  • Actual execution quality, typical costs and withdrawal outcomes; none were independently tested.
  • Protection eligibility for a particular account, product and customer classification.

BrokerSafari Evidence Score

This is an evidence-based editorial calculation, not a guarantee of safety, an account test or an investment recommendation. It uses only the structured research recorded for this broker, never another website’s rating.

BrokerSafari Evidence Score
8.8 / 10 — Strong
Evidence confidence
medium
Evidence coverage
62.3%
Assessed quality score
9.1 / 10
Evidence-gap penalty
−0.3
Score before caps
8.8 / 10
Calculated score after caps
8.8 / 10
Regulation & Legal Entity
Weight 30%; coverage 66.7% (2/3 inputs). Quality 10.0 / 10; 30 / 30 weighted points before normalization and penalties.
Safety & Client Protection
Weight 20%; coverage 0% (0/4 inputs). Quality unassessed — not zero.
Transparency
Weight 15%; coverage 75% (3/4 inputs). Quality 9.0 / 10; 13.5 / 15 weighted points before normalization and penalties.
Fees & Trading Costs
Weight 10%; coverage 100% (4/4 inputs). Quality 8.3 / 10; 8.3 / 10 weighted points before normalization and penalties.
Deposits & Withdrawals
Weight 10%; coverage 60% (3/5 inputs). Quality 7.5 / 10; 7.5 / 10 weighted points before normalization and penalties.
Trading Platform & Products
Weight 10%; coverage 100% (4/4 inputs). Quality 8.9 / 10; 8.9 / 10 weighted points before normalization and penalties.
Track Record & Independent Evidence
Weight 5%; coverage 100% (2/2 inputs). Quality 9.0 / 10; 4.5 / 5 weighted points before normalization and penalties.

Quality uses only assessable inputs. Entirely unassessed categories are excluded and remaining category weights are normalized; missing evidence is not zero quality. Coverage separately measures assessed input weight out of 100%. A gap penalty of 0.0, 0.3, 0.7 or 1.2 is applied before regulatory caps. Source strength affects confidence, not a direct multiplication of the quality score.

Rating cap

None.

Why this score?

Verified strengths

  • Regulation & Legal Entity — Account-serving legal entity: verified.
  • Regulation & Legal Entity — Relevant financial regulation: independently verified.
  • Trading Platform & Products — Platform identity and clarity: verified.
  • Trading Platform & Products — Mobile availability: verified.
  • Track Record & Independent Evidence — Independent-source documentation: strong. Strong attributable documentation is not necessarily a favorable finding.

Provider-disclosed evidence

  • Transparency — Company transparency: high.
  • Transparency — Legal-document transparency: high.
  • Transparency — Regulatory-disclosure transparency: high.
  • Fees & Trading Costs — Spread transparency: high.
  • Fees & Trading Costs — Commission transparency: medium.
  • Fees & Trading Costs — Overnight-fee transparency: high.
  • Fees & Trading Costs — Live trading-cost testing/corroboration: provider disclosed only.
  • Deposits & Withdrawals — Deposit and withdrawal fee transparency: medium.
  • Deposits & Withdrawals — Payment-method transparency: medium.
  • Deposits & Withdrawals — Withdrawal-term transparency: medium.
  • Trading Platform & Products — Trading-product transparency: medium.
  • Trading Platform & Products — Platform testing: provider disclosed only.
  • Track Record & Independent Evidence — Operating history: long.

Supplementary independent evidence

No assessable secondary-source evidence is recorded.

Evidence gaps

  • Regulation & Legal Entity — Regulatory warnings and enforcement: unassessed.
  • Safety & Client Protection — Client-money segregation: unassessed.
  • Safety & Client Protection — Negative-balance protection: unassessed.
  • Safety & Client Protection — Investor-protection coverage: unassessed.
  • Safety & Client Protection — Security controls: unassessed.
  • Transparency — Contact transparency: unassessed.
  • Deposits & Withdrawals — Independent withdrawal testing/corroboration: unassessed.
  • Deposits & Withdrawals — Verified withdrawal findings: unassessed.

Verified concerns

No verified adverse finding is recorded in these inputs. This is not a clean bill of health or continuous monitoring.

Read the scoring methodology →

Broker Overview

City Index is a trading name of StoneX Financial Ltd on its UK website. This page assesses that disclosed UK scope and does not transfer its FCA record to another group company or to an account opened elsewhere.

City Index review scope
Reviewed websiteUK-facing cityindex.com/en-uk pages.
Account entity named by the providerStoneX Financial Ltd.
BrokerSafari account testingNo account opening, live trading, execution measurement or withdrawal test.
Important limitationProducts, client type, permissions and protections must be checked against the specific account terms.

Regulation

The official FCA record is for StoneX Financial Ltd, not for every business using the StoneX name. The regulator states that the firm is authorised for specific activities and product types; match the permitted activity to the service and account you intend to use.

Legal Entity & Jurisdiction

StoneX Financial Ltd

Legal entity and jurisdiction details for StoneX Financial Ltd
Legal entityStoneX Financial Ltd
RegulatorFinancial Conduct Authority (FCA)
Licence / referenceFCA firm reference number (FRN) 446717
JurisdictionUnited Kingdom
Client typeNot available in the cited record; check the local account agreement.
Record statusAuthorised; the FCA register specifies that permissions are limited to recorded activities and product types.
Evidence typeRegulator record
SourceFCA Financial Services Register — StoneX Financial Ltd
Last checked

Broker brands may operate through multiple companies. The applicable regulator, permissions, products, client protections and complaint route depend on the legal entity named in the account agreement and the customer’s jurisdiction. A group company’s licence does not automatically apply to another company.

License Information

UK authorization record
RegulatorFinancial Conduct Authority (FCA).
Legal entityStoneX Financial Ltd.
ReferenceFRN 446717.
StatusAuthorised in the FCA register when checked; permissions are activity- and product-specific.
Last checked22 October 2026
  • FCA Financial Services Register

    Source type
    Regulator
    Authority
    Financial Conduct Authority (FCA)
    Supports
    Regulatory record, warning or authorization scope
    Last checked

Company Information

City Index states that it is a trading name of StoneX Financial Ltd, company number 05616586, registered in England and Wales. The company disclosure and regulator record are distinct sources with different purposes.

  • City Index UK — company disclosure

    Source type
    Broker legal document
    Authority
    City Index
    Supports
    Company or legal-entity disclosures
    Evidence status
    Provider-disclosed
    Last checked

Trading Platforms

The UK platform comparison lists Web Trader, City Index mobile apps, MetaTrader 4 and TradingView. The MT4 page states that a dedicated MT4 account is required. Platform and instrument availability should be confirmed for the selected account.

  • City Index UK — platform comparison

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Published platform or app information
    Evidence status
    Provider-disclosed
    Last checked

Trading Products

The UK site describes CFD trading and spread betting across markets. These are leveraged products with different legal and tax treatment; the actual instruments, account entity and eligibility must be checked in the current regional terms.

  • City Index UK — ways to trade

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Trading Products information described on this page
    Evidence status
    Provider-disclosed
    Last checked

Trading Conditions

City Index describes variable market pricing and overnight funding adjustments. For share dealing and share CFDs, commissions or other charges may differ from index and FX pricing. Use the live product schedule rather than applying one headline spread to all instruments.

  • City Index UK — trading costs and charges

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Trading Conditions information described on this page
    Evidence status
    Provider-disclosed
    Last checked

Fees

Published cost categories
SpreadsProvider-published; instrument- and market-dependent. A starting spread is not a typical or guaranteed execution price.
CommissionMay apply to some products, including share-related dealing; check the specific schedule.
Overnight financingMay apply to leveraged positions held overnight; rates and calculations vary by instrument.
Live all-in cost testNot conducted by BrokerSafari.

Deposit & Withdrawal

The UK funding FAQ describes payment methods, transaction minimums and card withdrawals. It states that card withdrawals have no City Index fee and that the card must previously have made a successful deposit. Payment-provider charges, eligibility and processing can differ; BrokerSafari has not tested a withdrawal.

Research Summary

The review confirms a matching UK FCA firm record and links it to City Index’s own disclosures about the UK trading name, products, platform choices, pricing and funding. Provider-published terms are not firsthand performance findings.

Safety / Regulation Analysis

An FCA record is evidence of the named firm’s authorization and recorded permissions, not a guarantee of trading outcomes, firm solvency or withdrawal performance. The FCA register itself warns that some activities may not be protected. Confirm the product, account classification and applicable protections before relying on them.

Our View

The strongest independently matched evidence in this review is the FCA record for StoneX Financial Ltd, the company City Index names for the UK service.

Pricing and platform information is published by City Index, but BrokerSafari did not test live costs, order handling or withdrawals. The exact account terms remain decisive.

A score does not guarantee results or establish that a broker is safe. Every broker receives an evidence score. Unknown information is excluded from quality assessment, not treated as poor performance. Coverage, confidence and a modest evidence-gap penalty reflect research limitations; verified concerns and regulatory caps remain separate.

What Is City Index?

City Index is presented here as the UK trading name of StoneX Financial Ltd. The company number and FCA reference are included only for that entity and market.

The provider publishes CFD and spread-betting products, platform information and cost schedules. Availability, protections and fees can differ by account, customer type and jurisdiction.

Is City Index Regulated?

The FCA register lists StoneX Financial Ltd as authorised under FRN 446717. Authorization does not mean every activity is protected; review the current register permissions and the account agreement.

Company and Legal Entity

City Index identifies StoneX Financial Ltd as its UK operator. No group-wide entity conclusion is made from that UK disclosure.

  • City Index UK — company disclosure

    Source type
    Broker legal document
    Authority
    City Index
    Supports
    Company or legal-entity disclosures
    Evidence status
    Provider-disclosed
    Last checked

A brand name, a company registration and a financial-services licence are different things. A company registration alone should not be interpreted as a financial-services licence. The legal entity in the customer agreement must match the relevant regulatory record and the services being supplied.

Markets and Trading Products

The UK site describes CFDs and spread betting on multiple asset classes. The product-specific instrument list and terms should be checked on the current provider site for the account entity.

Trading Platform

Web Trader, mobile apps, MT4 and TradingView are listed on the UK platform pages. BrokerSafari has not installed, connected to or tested these platforms.

BrokerSafari has not independently tested the trading platform. A published platform name or download link is not a test of execution, account access, data security or the ability to recover money.

Fees and Trading Costs

The provider publishes spreads, financing and other charges. Rates can change and depend on the instrument; compare the full schedule and deal ticket before trading.

Deposits and Withdrawals

The cited UK FAQ describes funding and withdrawal methods and card-withdrawal terms. No deposit or withdrawal was made by BrokerSafari.

BrokerSafari has not independently tested withdrawals from City Index. Before funding an unfamiliar provider, review withdrawal eligibility, identity-verification requirements, fees, payment-recipient details and the entity responsible for the account. No withdrawal speed or success rate is asserted here.

Is City Index Safe?

The FCA record supports the named firm’s current authorization status in the register, but cannot establish a risk-free service or guarantee account outcomes. Product and protection scope must be verified separately.

What Should Traders Verify?

  • Match the exact website and legal entity against the customer agreement and payment recipient.
  • Search the relevant regulator’s official register; compare the name, domain, reference number and contact details.
  • Check whether the permission covers the intended service, client category and jurisdiction.
  • Read the complete fee schedule, including overnight financing, conversion and account charges.
  • Review funding, withdrawal and account-closure terms before sending money.
  • Identify the complaint route and any investor-protection eligibility; do not assume these apply across a group.

Evidence Reviewed

A Last Checked date records when the source or its availability was reviewed. It is not a promise of continuous monitoring. A record found for a similarly named company is not transferred to the entity under review. No third-party rating or customer report is adopted as regulatory verification.

  • City Index UK — legal and company disclosure

    Source type
    Broker legal document
    Authority
    City Index
    Supports
    Company or legal-entity disclosures
    Supports
    Identifies City Index as a trading name of StoneX Financial Ltd and provides UK company information.
    Evidence status
    Provider-disclosed
    Last checked
  • FCA — StoneX Financial Ltd, FRN 446717

    Source type
    Regulator
    Authority
    Financial Conduct Authority (FCA)
    Supports
    Regulatory record, warning or authorization scope
    Supports
    Identifies FCA reference 446717 and authorization status; permissions are specific to recorded activities.
    Supports
    The FCA register identifies StoneX Financial Ltd, reference 446717, as authorised. This is not a statement that every product is protected or that the firm is authorized for every activity.
    Evidence status
    Independently verified
    Last checked
  • City Index UK — platform comparison

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Published platform or app information
    Supports
    Describes Web Trader, mobile, MT4 and TradingView access; not an independent platform test.
    Evidence status
    Provider-disclosed
    Last checked
  • City Index UK — ways to trade

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Claim-specific support is not stated for this source.
    Evidence status
    Provider-disclosed
    Last checked
  • City Index UK — trading costs and charges

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Claim-specific support is not stated for this source.
    Supports
    Publishes cost categories and instrument-specific pricing information; not a live cost test.
    Evidence status
    Provider-disclosed
    Last checked
  • City Index UK — funding and withdrawals FAQ

    Source type
    Broker-official source
    Authority
    City Index
    Supports
    Published deposit and withdrawal terms
    Supports
    Describes provider-stated funding methods and card withdrawal terms; not a withdrawal test.
    Evidence status
    Provider-disclosed
    Last checked

What We Could Verify

  • The FCA register identifies StoneX Financial Ltd under FRN 446717 as authorised.
  • City Index identifies StoneX Financial Ltd as the operator of the UK-facing City Index service.
  • The UK site publishes platform, trading-cost and funding information.

Information Still Unclear

  • The exact entity and product for a reader outside the reviewed UK scope.
  • Actual execution quality, typical costs and withdrawal outcomes; none were independently tested.
  • Protection eligibility for a particular account, product and customer classification.

How BrokerSafari reviews brokers

BrokerSafari research methodology
Evidence standardsBrokerSafari prioritizes primary evidence such as financial-regulator registers, legal disclosures and official company documents. Broker claims are attributed to the broker unless independently verified. Third-party reviews and user reports may provide useful context, but they are not treated as substitutes for regulatory records.

Risk disclaimer

This review is general research, not personal financial advice or a recommendation to open an account. Trading and investing involve the risk of loss. Leverage can increase losses, while regulatory authorization does not guarantee investment performance, withdrawal outcomes or provider solvency.

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FAQ

The FCA register identifies StoneX Financial Ltd, the company named as City Index’s UK operator, under FRN 446717. Its permissions are activity- and product-specific. This conclusion is limited to the UK entity and does not apply automatically to every regional account.