A secure and transparent service for high stakes, high volume testing programs.

Dreams deserve…

a trusted and experienced partner for your government testing programs

 We understand the rigorous requirements of high stakes, high security, high volume government testing. We’ve decades of experience and a team of dedicated experts. Your programs are in safe hands, whether you need secure test delivery, robust exam development or an end-to-end testing service. PSI is trusted by the UK Home Office for Life in the UK and Secure English Language Testing (SELT), and by the US Federal Aviation Administration (FAA) for Airman Knowledge Testing.

secure government testing

Chosen by leading organizations

federal aviation logo
department of defense logo
us office of personnel logo
department of justice logo
US department of homeland security logo

Compliance and transparency

PSI systems and processes are compliant with international data privacy regulations. This includes GDPR (Europe) and relevant national and State law (US). We hold key accreditations including ISO 27001 and Cyber Essentials Plus (information security management), ISO 14001 (environmental management) and ISO 9001 (quality management). We have been granted Authority to Operate (ATO) by multiple approving authorities. Independent security audits and third-party assessments provide additional assurance of our transparency and commitment to test integrity.

PSI Services LLC supports the Ten Principles of the United Nations Global Compact on human rights, labor, environment and anti-corruption.

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Secure and stable test delivery

Our rigorous approach delivers business continuity through a network of secure, quality-assured PSI Test Centers. Giving you the confidence of high testing availability through changing circumstances. Our proctored testing centers have a proven ability to adapt, with social distancing, increased hygiene and additional capacity when required. PSI Live Online Proctoring solutions offer secure remote testing for government programs wanting to offer test takers the flexibility to test at home or in the workplace.

Extensive network

of regulated PSI Test Centers.

Identity verification

with advanced technology and procedures.

Secure remote testing

with online proctoring.

Adaptable and responsive

to changing demand.

government certification

Secure test taker experience


Robust test development

Our team of expert test developers and psychometricians provide support through all or any stage of the computer based test development process. Whether you need help with establishing a knowledge base, item and test writing, or ongoing test maintenance, item and test review. We regularly work with in-house test writers and external Subject Matter Experts. Formcast, our proprietary Linear on the Fly Testing, delivers unique and equivalent test forms while protecting the integrity of your test content.

Latest item types

for computer-based testing beyond multiple choice.

Agile test content

responsive to changes in policy or environment.

Customizable tools

such as online calculator and reference materials.

Flexible support

and full end-to-end exam development service.

Exceptional experiences and service levels

Your test takers expect outstanding service and a testing experience that benefits from the latest technology. With responsive 24/7 assistance, technical support and a user-friendly test taker portal we deliver a great experience that doesn’t compromise on test security. Making life easier for you and your test takers. The results of our regular test taker satisfaction surveys demonstrate how our service levels stand up to the highest levels of scrutiny.

data forensics

Reporting and data forensics

We deliver bespoke and self-service reporting for up-to-date information and insight into your testing programs. Supporting you to meet regulatory, audit and compliance demands while delivering value through continuous improvement. Data forensics uses the latest technology and statistical methods to identify potential malpractice, including proxy test takers. We conduct audits and investigations, provide transparent reports and offer support in the event of a prosecution e.g., leading expert witnesses, witness packs including CCTV footage and photographs.

government testing accomodations

Digital and accessibility standards

Accessibility and accommodations are built-in to our systems – through test booking via our test taker portal and a dedicated support line for test takers with more complex needs. The PSI test taker portal is UK Government Digital Service (GDS) and US Section 508 compliant for people with disabilities. Our proctored exam testing centers conform to Building Control Alliance standards for people with a disability and many are American Disability Act and UK Disability Discrimination Act compliant.

government testing programs

Partnership experience and approach

We work closely with a wide range of partners to deliver testing services for government testing programs. This includes secure hosting providers such as Amazon Web Services, test publishers such as TSO in the UK and other government agencies. This experience and our ability to form effective and integrated partnerships with other vendors makes us a valued and significant part of the end-to-end testing journey for our government clients.

Success stories