[Last Updated on October 26th, 2026]

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^®:

ActiveViam
Arcesium LLC*
Ares International Corp.
Avaloq Group AG
Bachelier (Hong Kong) Information Technology Co., Ltd.
BlackRock Financial Management, Inc.
Bloomberg Finance L.P.*
Capitolis, Inc.
Cassini Systems Limited*
Cecabank, S.A.
CFETS Financial Data Co., Ltd (ComStar)*
Chicago Mercantile Exchange Inc.
ChinaBond Pricing Center Co., Ltd.*
Clarus Financial Technology Ltd.
Coremont LLP
CRZ Pricing SAS
Cumulus9 Limited*
DerivQuant Consultancy Ltd.*
Ernst & Young (China) Advisory Ltd.*
Everix
Ferential Systems, Inc.
Finalyse Group SA
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.*
LSEG PTS (Acadia)*
Murex S.A.S.
Nasdaq Calypso*
NICE P&I Inc.
Numerix LLC*
OMNI Risks Management
OpenGamma Ltd.*
OpenLink Financial LLC / Ion Group
Opensee
Quantile Technologies Limited
Qvious, Inc.
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)
Teciem (formerly Finastra)
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 2.8+2512.