PSI Services LLC

PSI Services LLC: test development and delivery for certification and licensure programs

PSI Services LLC is an assessment company that presents itself as part of ETS and operates under the PSI brand. Its activity focuses on test development, test delivery across multiple modalities, and protecting the integrity of assessment programs. The company combines psychometric science, technology, and operational expertise to serve organizations that need to assess knowledge and skills.

Test development and psychometrics

The company offers expert design, rigorous test development, and world-class psychometric services. Its stated goal is to produce reliable, accurate, and fair exams. Its products include AI-assisted content development, with human-in-the-loop quality assurance integrated into the process, and the creation of test prep materials customized to the needs of each program and each test taker.

Global delivery and test modalities

PSI delivers exams through a global network of test centers with in-person supervision, as well as through remote testing, online proctoring, and hybrid modalities. The company describes its delivery offering as innovative and flexible, with the goal of enabling test takers to take their exams in different environments and formats.

Assessment security

PSI's security area includes targeted audits and investigations, surprise inspections, and mystery shopper visits to uncover vulnerabilities and fraud risks. It also offers data forensics and web crawling, with statistical monitoring of test data to identify anomalies, as well as website and social media monitoring. This is complemented by risk assessment and incident response, aimed at identifying key vulnerabilities, critical assets, and potential threat actors across the assessment lifecycle.

Markets and sectors served

The company serves certification organizations, admissions, awarding organizations, government, healthcare, information technology, professional associations, federal and military, licensure, barber and cosmetology, construction, insurance, real estate, and higher education. This variety of sectors reflects a service model oriented toward assessment programs of different natures and scales.

Proprietary programs

PSI manages its own assessment programs, including HiSET® and Skills for English™. HiSET® is presented as the first step toward earning a high school equivalency credential recognized in all U.S. states, territories, and jurisdictions. Skills for English™ corresponds to English proficiency tests for work, study, and residency, approved by the Home Office for UK visa applications and accepted by educational institutions for academic admissions.

Client relationships and test taker experience

The company emphasizes collaboration with client organizations and attention to the test taker throughout the entire process, from exam design to test day support. On its website, it features testimonials from managers of certification, licensure, and education programs who describe their relationship with PSI in terms of listening, meeting deadlines, and responsiveness. The company also publishes informative content on credentials, assessment security, and industry trends through its knowledge hub, with resources, a blog, and a podcast.