STUDY RECORD · last re-checked 2026-09
iSAM Securities (formerly IS Prime) — institutional liquidity provider
iSAM Securities (UK) Limited is regulated by the FCA and holds multiple licenses across jurisdictions. The firm specializes in prime-of-prime liquidity and serves institutional clients, trading venues, banks, and brokers. Notably, the company's founding date is not provided, and some license details are not disclosed.
iSAM Securities (UK) Limited · 40 Leadenhall Street, London EC3A 2BJ, UK · evidence score 76/100
Licence, read on the register
last checked September 2026
| Regulator | Licence number | Jurisdiction | Tier | Source |
|---|---|---|---|---|
| FCA | 629586 | UK | tier-1 | open source ↗ |
| SFC Hong Kong | BOL486 | Hong Kong | tier-1 | open source ↗ |
| CFTC/NFA (CTA registration) | not verified | USA | tier-1 | open source ↗ |
| CIMA (Cayman, registered person) | not verified | Cayman Islands | tier-2 | open source ↗ |
Tier classification follows the same scale as the retail register: tier-2 means real supervision and client-money segregation, without an investor compensation scheme — never misread it as tier-1 protection.
What this record teaches
Reading skills, each anchored to something the firm actually published.
- 01 — Teaching pointiSAM Securities operates under tier 1 licenses in the UK, Hong Kong, and USA.
- 02 — Teaching pointThe company serves institutional clients, trading venues, banks, and brokers with FX spot liquidity.
- 03 — Teaching pointNo specific trading venues or connectivity protocols are published for iSAM Securities.
Claims ledger
Claims specific enough to be falsified — and the ones that remain the venue's own measurement.
Testable claims
- iSAM Securities (UK) Limited is authorised and regulated by the FCA, Firm Reference Number 629586 (company 09112124, 40 Leadenhall Street, London EC3A 2BJ) — own site footer
- iSAM Securities (HK) Limited is authorised and regulated by the SFC, holding a Type 3 Regulated Activity (Leveraged Foreign Exchange Trading) licence, CE No. BOL486 — own site footer
- iSAM Securities Limited (Cayman) is a CIMA-registered person and registered with the CFTC as a commodity trading advisor and NFA member — own site footer
- iSAM Securities (UK) Limited is exempt from holding an Australian AFSL (ARBN 632 372 993) — own site footer
Claims we cannot verify from outside
- None recorded in this file.
Perimeter and coverage
| Asset classes | Venues | Connectivity | Clients accepted | Explicitly refused |
|---|---|---|---|---|
| FX spot | none published | none published | Institutional clients, Trading venues, Banks and brokers (prime services) | none published |
A firm that publishes its own negative space — who it refuses, where it is not licensed — is materially easier to diligence than one that doesn't. The refusal list is treated here as a disclosure, not a defect.
Self-check
Answer these before you consider the record read. If you cannot, re-read the licence and the claims ledger — the answers are all in what the firm published.
- What tier licenses does iSAM Securities hold in the UK and Hong Kong?
- Who are the primary clients served by iSAM Securities?