Mon–Fri 9–5 EST · Nationwide
Serve legal documents anywhere in Missouri with confidence. Served 123 LLC coordinates sheriffs and court-appointed special process servers across all 114 Missouri counties plus the independent City of St. Louis — from Kansas City and St. Louis through Springfield, Columbia, and Jefferson City, across the Ozarks to the Bootheel — delivering same-day service, court-ordered server appointments, and returns that hold up in any Missouri Circuit Court.
Missouri is one of the strictest service regimes in the country on who may serve. Under Mo. R. Civ. P. 54.13(a), service may be made by the sheriff or by a person specially appointed by the court. Missouri does not allow general civilian service without per-case court appointment — a rule that catches out-of-state counsel regularly. Served 123 LLC files the Motion for Appointment of Special Process Server with each case as part of priority and rush intake.
Personal service is the default. Under Mo. R. Civ. P. 54.13(b)(1), substituted service may be effected by leaving a copy at the individual's dwelling house or usual place of abode with some person of the defendant's family above the age of 15 years who resides there. Note two Missouri specifics: (1) the 15-year-old age threshold is one of the lowest in the country, and (2) the recipient must be a family member who resides there — not merely any resident. Long-arm service under Rule 54.14 combined with RSMo §506.500. Mail service under Rule 54.15 is available on cooperative defendants.
The City of St. Louis is an independent city — not part of St. Louis County — with its own Circuit Court (22nd Judicial Circuit) and Sheriff's Department. A Clayton address is St. Louis County; a downtown Clark Avenue address is St. Louis City. Getting this right matters for filing, sheriff fees, and the return. We route correctly based on the actual street address.
Missouri sheriff or court-appointed special process server · Motion for Appointment preparation and filing · Up to three diligent attempts · GPS-timestamped verification · Return of Service compliant with Mo. R. Civ. P. 54.20 · Family-relationship documentation for substituted service · Skip tracing at no additional charge.
Within those 115 jurisdictions, we routinely serve in Missouri's largest cities and legal markets:
What to include: recipient name, service address (Missouri county or St. Louis City), court, document type, and deadline. Most requests are priced and confirmed within 5–10 minutes during business hours.
Start Your Missouri Quote →Same-day service in Kansas City, St. Louis City & County, Springfield, and Columbia. Sheriff and court-appointed special process servers across all 115 Missouri jurisdictions. Motion for Appointment filing included.
