The mortgage securitization market is changing and Trelix™ is well equipped to help you mitigate loan portfolio risks and costs. Trelix is approved by DBRS, Inc., Kroll Bond Rating Agency, Inc. and S&P as an RMBS Third Party Review (TPR) Due Diligence provider. Our pre-securitization reviews are deemed acceptable by Fitch Ratings, Inc. and Moody’s Investors Service, Inc.

How you benefit


Trelix offers a unique combination of technology and risk management tools that work  across the mortgage origination and securitization lifecycle, including processing, underwriting, quality control, loan due diligence, closing and CastleLine® certification.

Review SFIG and product guidelines to determine review scope

Define stratified sampling criteria based on SFIG guidelines

Define third party service requirements

Loan set-up in system and order verification services

Detailed review per SFIG and product guidelines

Initial rating review

Draft preliminary review reports

Deliver preliminary reports to client and rating agencies

Loan exception tracking and resolution

Final rating review

Publish final reports

Create upload ready package for respective agency

Deliver final reports and package to client and rating agency

Our systematic approach allows you to:

Leverage industry expertise and capabilities

With over 100+ years of combined expertise, the Trelix team is well prepared to assess the overall integrity of a loan file by determining critical risk factors that may affect the present or future performance of the loan. Our team offers a unique approach – we review loans throughout the process, allowing us to improve the output of the loans.

Help increase your efficiencies

Access technology that helps accelerate and simplify the origination and sales lifecycle. Utilize our global presence and scalable processes to help close your loans quickly and accurately.


Manage your risk

Protect yourself against repurchase and unsaleable loans with the CastleLine Certified Loan Program. Produce high-quality loans on a regular basis with processes that seamlessly integrate into your daily mortgage operation.

ACCESSIBILITY: If you are using a screen reader and are having problems using this website, please call 770-612-7007 for assistance.