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
FM
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.
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.
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.
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
Selected profile context
Coverage not yet available
FXContext has not yet completed jurisdiction-specific profile research for the selected jurisdiction. The current documented context is not carried over to another jurisdiction.
FXContext rating
Not rated in this context
Profile coverage
Coverage not yet available
Legal entity and authority
Not verified for the selected context
This status does not mean that the broker is unavailable or unauthorised in the selected jurisdiction.