How do I become a Public Service Interpreter in the UK?

Public service interpreting is the work that happens in police stations, courtrooms, hospitals, GP surgeries, immigration tribunals and local authority offices. Someone needs to speak English and one other language, and someone's liberty, health or housing depends on the interpreting being accurate. There's a well-established qualification route, and most commissioning bodies expect you to have followed it.

Step 1: Check your language level

You need to work confidently in both directions between English and your other language, at a professional standard, under pressure, on subjects you don't get to choose.

For the Level 6 DPSI, that means roughly C1 on the Common European Framework (CEFR) in both languages. If you're unsure where you sit, we offer a free language-level (CEFR) test at linguisttraining.com/whichcourse.

Step 2: Decide where you're starting

There are two entry points.

New to interpreting? Start with the Foundation Diploma in Translation and Interpreting (FDTI). It covers the practical skills, techniques and professional standards the work requires, and it leads to a Diploma certificate. It's also the right place to start if a UK public sector body has told you they need to see a diploma. Students tell us this is what they're asked for.

Already interpreting? The DPSI is your target.

Step 3: Understand the DPSI

The Diploma in Public Service Interpreting has been the benchmark qualification for public service interpreting in the UK for over 30 years. It's awarded by the Chartered Institute of Linguists (CIOL) at Level 6, which makes it a Degree-level recognised qualification.

There are two pathways, and you choose one:

• DPSI Law covers courts, police interviews, probation and tribunals. It's the pathway the UK Police accept for the PAIT Police Scheme.

• DPSI Health covers hospitals, GP surgeries, mental health services and community health settings.

Both are examined in five units: consecutive interpreting, simultaneous interpreting, sight translation in each direction, and written translation in each direction.

You sit the exam in a single language pair direction, so you'll need to decide which direction you're being examined in before you register.

Step 4: Prepare properly

The DPSI is a demanding exam. Preparation matters more than natural fluency, because the exam tests specific techniques that you don't develop simply by being bilingual: note-taking, register transfer, and terminology handling under time pressure.

Effective preparation includes:

• Structured course content covering the legal or health systems you'll be interpreting in, alongside language practice

• Note-taking technique. Our FREE NoteTaking Symbols Masterclass covers the symbol systems professional Interpreters use

• Marked practice on past papers, with feedback against the exam criteria

• Mock exams under timed conditions, so the format is familiar on the day

We offer online DPSI courses in all language pairs, with exam preparation bundles that include Sight Translation papers, marked Translation Practices, Mock Exams and a one-to-one LanguagePartner™ mentoring session. You can start any time.

Step 5: Register for the exam with CIOL

We provide the course and the exam preparation. CIOL sets, marks and awards the qualification, and you enter for the exam separately, through CIOL.

Registration windows open at set points in the year and close well before the exam sits. DPSI Law runs in June and November sessions; DPSI Health runs in June. CIOL changes which language pairs it offers from session to session, so check the current list on the CIOL website before you commit to a plan.

Work backwards from the date. To sit in June, you'll need to have registered by the spring deadline, which means studying from the previous autumn. Six months of preparation is a realistic minimum.

Step 6: Register with NRPSI

Once you hold the DPSI, you can apply to the National Register of Public Service Interpreters. Many public sector contracts require registration, and agencies supplying the public sector routinely check it. This is the step that converts the qualification into bookable work.

What about the Level 3 route?

Not everyone needs a Level 6 qualification straight away. Community interpreting, which covers schools, housing offices, benefits appointments and community health settings, has its own entry-level standard at Level 3: the Certificate in Community Interpreting.

It's a nationally recognised qualification and the usual entry point for paid public service interpreting work. If the DPSI is too big a first step, or your language pair isn't currently offered by CIOL, this is the route to look at.

How long does it take?

Starting from scratch: three to six months on a Foundation route, six months or more preparing for the DPSI, then the exam sitting and results. Around a year to 18 months to be registered and working.

If you already interpret and need the qualification, six to nine months from starting your course to holding the result is achievable.

Where to start

Establish your level. Choose your pathway, Law or Health, based on where you want to work. Then work backwards from the CIOL registration deadline for the session you're targeting.

We offer online courses for the FDTI, DPSI Law and DPSI Health, in all language pairs, starting whenever you're ready. Our free language-level (CEFR) test is at linguisttraining.com/whichcourse.