Our Solutions


We design, develop, and deliver custom solutions for your program.

Castle offers a full range of solutions for your certification, licensure, or training program. With our personal way of doing business, we work closely with you and your staff to understand your program’s requirements and then design a custom suite of solutions for your program.

Test Development
Our industry-leading psychometricians develop high-stakes examinations and practice tests for the certification or licensure of professionals.

Test Delivery
For your candidates' convenience, we offer several secure and reliable test delivery methods including Internet-based testing (IBT), paper and pencil (P&P) based testing, practice tests, and live online proctored (LOP) testing.

Custom Learning Solutions
We offer a suite of custom learning solutions and assessment tools for professional development and skills-based learning.

Consultative Services
Our psychometricians, experts in competence measurement, are available for consultative sessions on examination creation, policies, and procedures.