[Last Updated on November 17th, 2025]

Any party which offers commercial services based on the ISDA Standard Initial Margin Model (ISDA SIMM^®) (e.g. SIMM calculation, IM optimization, backtesting, etc.) is required to enter into a licensing agreement with ISDA.  Please contact isdalegal@isda.org for more information on licensing the ISDA SIMM^®.

The following vendors are licensed to offer services based on the ISDA SIMM^®:

Acadiasoft, Inc.*

ActiveViam

Adroit Trading Technologies, LLC

Arcesium LLC*

Ares International Corp.

Bachelier (Hong Kong) Information Technology Co., Ltd.

BlackRock Financial Management, Inc.

Bloomberg Finance L.P.*

Capitolis, Inc.

Cassini Systems Limited*

Cecabank, S.A.

Chicago Mercantile Exchange Inc.

ChinaBond Pricing Center Co., Ltd.*

Clarus Financial Technology Ltd.

Coremont LLP

CRZ Pricing SAS

Cumulus9 Limited*

Everix

Ferential Systems, Inc.

Finalyse Group SA

Finastra Global Limited*

FinMechanics Pte. Ltd.

FIS Systems International LLC*

Goldman Sachs

Hangzhou Era Yintong Software Co., Ltd.*

HazelTree Fund Services, Inc.

ICE Data Services

Initial Margin Limited

ITS Corporation*

Jean Edwards Consulting

KIS Pricing, Inc.

Korea Asset Pricing Co.*

Murex S.A.S.*

Nasdaq Calypso*

NICE P&I Inc.

Numerix LLC

OMNI Risks Management

OpenGamma Ltd.*

OpenLink Financial LLC / Ion Group

OptiMargin

Quantile Technologies Limited

Quaternion Risk Management Ltd.

Qvious, Inc.

RiskX Corp.

S&P Global (IHS Markit)*

SAS

Shanghai Clearing House*

Shanghai Kingstar Software Technology Co., Ltd.

Shanghai Novatouch Information Technology Co., Ltd

Shenzhen Sunline Tech Co., Ltd.*

Siman Systems Ltd.*

SS&C Technologies, Inc.

Taliesin LLC

TAS Spa (Newsoft Srl)

The Clearing Corporation of India Ltd. (CCIL)

TriOptima AB*

Value and Risk Services Lux S.à.r.l

Vector Risk

Vermeg

xQuant Technology Company, Ltd.*

ZeroBeta, Inc.

For additional information on the SIMM related services offered by the above parties and their contact information, please see the document attached below.

*These vendors have certified to ISDA that their SIMM calculator has passed the Unit Tests issued by ISDA for SIMM 2.7+2412.