Forex broker profile

Flux Markets

UK retail Forex and CFD context for Onyx Capital Advisory Limited, trading as Flux Markets.

Prospective BrandPage updated 31 August 202680% profile coverage · not a rating

Choose a jurisdiction to view its documented legal entity, account terms and FXContext rating. This does not confirm client acceptance.

Showing documented information for United Kingdom.

Selected market

At a glance

FXContext rating
4.2/5
Legal entity
Onyx Capital Advisory Limited
Authority
FCA
Minimum deposit
Not disclosed
Maximum leverage
Up to 30:1
Platforms
Not documented

This profile covers Flux Markets and Onyx Capital Advisory Limited in the United Kingdom retail Forex and CFD context. FCA reference 822509, current terms, costs, risk and complaints documents were checked on 31 August 2026. Individual client acceptance is not guaranteed.

Brand history on record: established in 2024.

Visit the official website on record

Legal entities and regulation

Regulatory context currently documented

Onyx Capital Advisory Limited

Incorporation: United Kingdom · Entity status: active

UK retail Forex, CFD and spread-betting services; this rating covers Forex only.

Client access context: United Kingdom · Retail clients · Forex · Home State

Rating evidence

Why 4.2/5

Methodology prospective-1.1 applies to the selected market. Coverage shows completed evidence, not points awarded.

60/60Public evidence verified

40/40FXContext review completed

View all 5 assessed criteria
Points awardedRemaining possible pointsNot scored

Public evidence

60% of the final rating
  • Regulation & transparency

    Legal entity, authorisation and jurisdiction fit

    4.0/5

    Weight 20% · Verified · 1 public source

    Scoring rule: The entity and applicable permissions are fully verified, with one minor documented limitation.

    What we found: Onyx Capital Advisory Limited, FCA reference 822509 and the Flux Markets trading name are consistently mapped to the UK retail route.

    Sources (1)
    • Financial Conduct Authority — FCA record identifying Onyx Capital Advisory Limited and FRN 822509Accessed 31 August 2026Open source
  • Client Safeguards

    Client safeguards and regulatory transparency

    5.0/5

    Weight 20% · Verified · 1 public source

    Scoring rule: Applicable safeguards, risks, complaints information and regulatory disclosures are complete, current and coherent.

    What we found: Current terms document retail classification, negative balance protection, client-money treatment and complaint escalation with clear UK context.

    Sources (1)
    • Onyx Capital Advisory Limited — Flux Markets Terms of Business v4.3Accessed 31 August 2026Open source
  • Trading Operability

    Core trading terms and operational access

    4.0/5

    Weight 20% · Verified · 1 public source

    Scoring rule: The core offering is complete and verified, with one minor documented operational limitation.

    What we found: Current terms and costs material explain the principal Forex and CFD conditions; the universal account-opening minimum is not disclosed.

    Sources (1)
    • Flux Markets — Flux Markets Costs and Charges v3.2Accessed 31 August 2026Open source

FXContext review

40% of the final rating
  • Editorial Verification

    Context, source and practical verification

    4.0/5

    Weight 20% · Verified · 1 review record

    Scoring rule: Context and practical verification are complete, with one minor resolved limitation.

    What we found: Entity, authority, client category and current documents reconcile cleanly without relying on an account opening or broker contact.

    Review evidence (1)
    • Onyx Capital Advisory Limited — Flux Markets Terms of Business v4.3Accessed 31 August 2026Open source
  • Editorial Improvement

    Disclosure quality and improvement pathway

    4.0/5

    Weight 20% · Verified · 1 review record

    Scoring rule: The disclosure path is clear and consistent, with one minor documented improvement priority.

    What we found: The legal and complaints document set is current and navigable, with only limited account-opening detail left for improvement.

    Review evidence (1)
    • Flux Markets — Flux Markets complaints processAccessed 31 August 2026Open source
Read the FXContext rating methodology

Regional availability

View availability records

Regional availability not yet documented.

Accounts and conditions

View account terms and sources

United Kingdom · Retail

Primary UK retail account

Flux Markets UK retail Forex and CFD account.

Legal entity: Onyx Capital Advisory Limited

Minimum deposit: Not disclosed

Minimum deposit source

Maximum leverage: Up to 30:1

Maximum leverage source

Platforms

View documented platforms

Platform information not yet documented.

Sources and review history

View the profile source register

The full profile source register may include more than the selected jurisdiction. Account sources appear beside each term, and rating evidence is linked under each assessed criterion above.

  • Finance Magnates — Onyx retail brokerage launch chronologyAccessed 31 August 2026Open source
  • Financial Conduct Authority — FCA record identifying Onyx Capital Advisory Limited and FRN 822509Accessed 31 August 2026Open source
  • Flux Markets — Flux Markets Costs and Charges v3.2Accessed 31 August 2026Open source
  • Onyx Capital Advisory Limited — Flux Markets Terms of Business v4.3Accessed 31 August 2026Open source