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WSO Software

Empower your operations team with best-in-class software tools for loans and CLOs

Get real-time access to portfolio insights, workflow automation, and deal administration for diversified credit portfolios, CLOs, syndicated and leveraged loans. WSO's highly customizable features provide powerful capabilities from trade capture, asset and deal administration to reconciliation, robust reporting, compliance and accounting.

WSO Software is part of our Credit Portfolio Management Solutions, an integrated technology platform designed to simplify operations and reduce complexity across the credit lifecycle. WSO is available as a hosted software solution or a fully outsourced managed service powered by Amazon Web Services (AWS).

Manage loans with reduced risk and greater efficiency
LIBOR transition: Need help with interest calculations? Learn about our RFR Calculator
Are you ready for the future of credit portfolio management?

Learn how leading firms are evolving their technology.

A scalable solution for loan portfolio management

WSO Software is used by hundreds of leading alternative asset managers, with over $3.5 trillion in AUM and 2500+ facilities tracked using the platform.

Automate data flows – Save time and reduce risk with extensive integrations for market data, ratings, identifiers, and more.


Get expert help – Tap into our 20+ years of in-depth industry expertise in loan market operations to scale your portfolio.


Improve visibility – Get real-time insights into your investments with tools for monitoring trades, restructures, amendments, and prepayments.


Reduce operational costs – Work seamlessly to settle trades, collaborate with trustees, and reconcile cash positions.


Learn more about WSO Software


A trusted CLO technology partner

WSO Software is trusted by leading CLO managers to simplify the complexity of loan market operations. Get support for the full range of portfolio administration functions, from activity and cash flow tracking to reporting, trustee reconciliations, and compliance.

CLO Startup Solution: Launch a new CLO investment platform quickly with seamless technology and services. We help new CLO managers navigate the challenges of starting a fund with an integrated offering of data, workflow, and aggregation tools to help streamline the credit management process. Minimize your operational expenses with flexible managed services while building a foundation to scale your credit portfolio.

CLO Compliance: Streamline the credit risk management process and automate the execution of compliance tests required by the governing indenture and collateral management agreements. WSO Compliance provides a modern intuitive interface for the management of CLO compliance tests.

The CLO Compliance dashboard provides an intuitive summary of compliance test results.

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News and thought leadership

10 November 2021

Eddystone Financial Services selects IHS Markit for loan agency workflow automation

08 November 2021

How IHS Markit’s WSO is using cloud technology to help clients compete in a faster, higher-volume loan market

13 October 2021

Capital Four selects IHS Markit for CLO portfolio administration

05 May 2021

Data management in private markets: Where to focus first

WSO–Networks that connect the industry

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