iSAM Securities (formerly IS Prime) vs. Evaluate iSAM Securities against other prime-of-prime providers and direct venue memberships for liquidity access.

iSAM Securities (UK) Limited is FCA regulated and provides prime services primarily in FX spot. While it holds multiple tier 1 licenses, specific venues and connectivity details are not published. The firm’s age and self-measured claims are not disclosed, which may affect transparency.

iSAM Securities (UK) Limited40 Leadenhall Street, London EC3A 2BJ, UK · Prime-of-prime liquidity, technology and prime services; algorithmic trading firm / electronic market makerEvidence score 76/100last re-checked 2026-09

76Evidence score/100

0Venues

0Connectivity

1Asset classes

Licence, read on the register

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.

iSAM Securities (formerly IS Prime): Licence, read on the register
Regulator	Licence number	Jurisdiction	Tier	Source
FCA	629586	UK	tier-1	https://isam-securities.com/
SFC Hong Kong	BOL486	Hong Kong	tier-1	https://isam-securities.com/
CFTC/NFA (CTA registration)	not verified	USA	tier-1	https://isam-securities.com/
CIMA (Cayman, registered person)	not verified	Cayman Islands	tier-2	https://isam-securities.com/

Source: isam-securities.com · open source ↗

The comparison ledger

Where the model wins, where it merely competes, and which claims a counterparty can actually test.

Wins where

Institutional FX trading needs
Prime services for banks and brokers

Merely competes where

Single prime brokers
Multi-PoP setups
Direct venue memberships

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

Perimeter and coverage

iSAM Securities (formerly IS Prime): Perimeter and coverage
Asset classes	Venues	Connectivity	Clients accepted	Explicitly refused
FX spot			Institutional clients, Trading venues, Banks and brokers (prime services)