[Last Updated on November 29th, 2021]

Any party which offers commercial services based on the ISDA Standard Initial Margin Model (ISDA SIMMTM) (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 SIMMTM:

Acadiasoft, Inc.*


Adroit Trading Technologies, LLC

Advanced Diagnostics Analytics and Optimization S.A.S (ADAO)

Arcesium LLC*

Ares International Corp.*

BlackRock Financial Management, Inc.

Bloomberg Finance L.P.*

Calypso Technology, Inc.*

Cassini Systems Limited*

Chicago Mercantile Exchange Inc.

Clarus Financial Technology Ltd.*

Coremont LLP

CRZ Pricing SAS


Ferential Systems, Inc.

Finalyse Group SA*

Finastra Global Limited*

FinMechanics Pte. Ltd.

FIS Systems International LLC*

Goldman Sachs

HazelTree Fund Services, Inc.

ICE Data Services

IHS Markit*

Initial Margin Limited

ITS Corporation*

Kamakura Corporation

KIS Pricing, Inc.*

Korea Asset Pricing Co.*


Murex S.A.S.*


Numerix LLC

OMNI Risks Management*

OpenGamma Ltd.*

OpenLink Financial LLC

Quantile Technologies Limited*

Quaternion Risk Management Ltd.

Qvious, Inc.

Shanghai Clearing House*

SS&C Technologies, Inc.

State Street Bank and Trust Company

SwapsHub Company Inc.

TriOptima AB*

Vector Risk


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 2.4.

Documents (1) for ISDA SIMM Licensed Vendors