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Matrix Applications Head Office

1155 Avenue of the Americas, 14th FL
New York




Stephen Mellert
[email protected]


Providing technology and operational solutions for the capital markets.


Matrix Applications is a New York-based fintech service bureau that offers a suite of collateral management, margining and clearing systems for institutional fixed income trading. We are a team of capital markets and systems professionals delivering financial technology solutions to institutional firms since 2000. We work hands-on with our clients to identify an optimal mix of services to best fit their needs, from systems to back office operations assistance. Every day. Without Fail.


We’re a small firm that gets big things done! That’s why some of the largest financial institutions have chosen Matrix Applications over the global technology behemoths. The superiority of our systems is matched by our dedication to the service to our customers.

And we’re playing the long game. Helping our customers succeed is our success.


Founded in 2000, Matrix Applications has steadily built its business and reputation on quality service. Our team of seasoned banking and IT professionals, combined with the efficiency of our systems, enables our fixed income clients to grow their business. Matrix is proud of its collateral management software solutions and services to companies large and small, from Fortune 500 firms to local financial institutions, helping them focus their energy on satisfying their clients.


US Fixed Income Capital Markets

Software as a Service

Managed Services for the Back Office

FINRA Rule 4210 Compliance

RegTech and FinTech Solutions


Stephen Mellert – Business
Rob Cardone – Dev
Tom Miller – Software