Translation and Interpreting Services in St. Louis

In St. Louis, Prism Language Solutions certifies translations for any city or county address and sends them back by email, and it books court, medical and immigration interpreters from a nationwide network, sending an interpreter who lives in the St. Louis area to in-person assignments and using phone or video where that works better. Our sole office is in New York. Spanish is the largest share of St. Louis requests, followed by Arabic, Dari, Somali, Vietnamese and Bosnian, and a fixed written quote comes back within 60 minutes in business hours.

That pattern tracks the population. About 7 percent of city residents were born abroad, with Mexico, India, China and Vietnam the largest birthplaces, and the International Institute of St. Louis, the only refugee sponsor for eastern and southwestern Missouri, counted Afghan, Congolese, Somali and Iraqi families as its largest arrival groups in 2017, a generation after the Bosnian resettlement it led in the 1990s.

• Certified translations prepared to meet USCIS requirements
• Human linguists only, matched to the subject
• Fixed written quote within 60 minutes in business hours
• One office in New York, linguists in every state

Court Interpreters for the 22nd Judicial Circuit in St. Louis

St. Louis is an independent city, so its trial court, the 22nd Judicial Circuit, is separate from St. Louis County’s 21st Circuit. The circuit sits in two downtown buildings: the Carnahan Courthouse at 1114 Market Street, which holds the criminal divisions, and the Cahill Courthouse at 10 North Tucker Boulevard, known as the Civil Courts Building until the judges renamed it in December 2024. Check which building the notice names before booking.

Section 476.803 RSMo requires Missouri courts to appoint qualified interpreters in any proceeding where a non-English speaker is a party or witness, and the 22nd Circuit provides them free in both criminal and civil hearings. Its language access plan is explicit about the limits: witness interviews, pretrial transcripts and translations, and attorney-client conferences are the responsibility of the private attorney, the public defender or the circuit attorney. That is the work we are booked for. See court interpreting and transcription.

Dari, Pashto and Somali Interpreters for St. Louis

Dari and Pashto together accounted for 18 courtroom interpreters in 2023, most in criminal cases. They are separate languages, and neither is Farsi. Ask where in Afghanistan the client grew up and which language they use at home before booking a Dari interpreter or a Pashto interpreter; one question avoids a wasted appearance.

Somali work in the city circuit ran almost entirely through civil hearings in 2023, twelve of the thirteen interpreters it used. A Somali interpreter covers those, and Somali translation handles the refugee paperwork that stands in for civil records. Swahili and Kinyarwanda also appear in the court’s data; Kinyarwanda interpreters are booked by video where no one is nearby.

Bosnian Translation for St. Louis Families

Between 1993 and 2001 the International Institute and Catholic Charities resettled about 11,000 Bosnians in St. Louis, and the metro community peaked at around 70,000 before settling near 50,000 today, much of it now in Affton, Mehlville and Oakville rather than Bevo Mill. The work has moved with the people: probate, guardianship, property sales back home and pension claims more than immigration.

Certified Translation for the St. Louis USCIS Field Office

St. Louis ZIP codes are assigned to the USCIS St. Louis Field Office, which is housed in the Young Federal Building, 1222 Spruce Street, Room 2.205. Asylum interviews for Missouri are the Chicago Asylum Office’s. Removal cases are different again: the immigration court at 2345 Grand Boulevard in Kansas City is the only one serving Missouri and Kansas, and in May 2025 fewer than a quarter of the people it ordered removed had a lawyer.

USCIS expects a complete English translation of each foreign-language document and the translator’s signed certification under 8 CFR 103.2(b)(3); the officer who receives it decides whether it is accepted. Attorneys can start at translation for immigration attorneys; applicants at USCIS translation or birth certificate translation.

Federal Court Interpreters in St. Louis Civil Cases

The US District Court for the Eastern District of Missouri pays for interpreters for criminal defendants. In a civil case, its policy is that a participant who needs an interpreter generally provides one, with an exception for disability accommodations. Plaintiffs’ firms in employment and civil rights cases feel this most, because the client, the witnesses and the deposition all need the same language. Book the interpreter when the case is filed, not when trial is set. See legal translation and translation for law firms.

Medical Interpreters for Barnes-Jewish Hospital

Barnes-Jewish Hospital in the Central West End is the largest hospital in Missouri, with 1,266 beds, a Level I trauma center and the adult teaching service for Washington University School of Medicine. Its patients come from across the region, and many need a language the phone line serves poorly: Dari after a trauma admission, Burmese in oncology, Bosnian for an elderly parent in palliative care. Providers carry the Section 1557 duty and book us for the in-person or video sessions they cannot cover. See medical interpreting.

Transcript Translation for WashU, SLU and Webster Students

Missouri enrolled 36,341 international students in 2024-25, with Washington University at 5,814, Saint Louis University at 4,482 and Webster University at 4,180, and India alone the origin of more than half the state total. Chinese, Nepali and Arabic records are frequent candidates for academic transcript translation and diploma translation for admission or evaluation. Upload scans at /quote, or phone +1 (833) 282 8883 for anything urgent.

Questions we get asked