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Last updated: April 2026
OS

One Source Process, LLC

Washington, DC

One Source Process, LLC provides service of process, document authentication, skip tracing, court filing, document retrieval, subpoena preparation, and traveling notary services. Founded in 2010 by CEO Brandon Yoshimura, it serves clients including individuals, law firms, corporations, and government agencies across all 50 states and U.S. territories.

service of processskip tracingcourt filingdocument retrievalsubpoena preparationapostille and legalizationtraveling notary servicesemergency and after-hours service
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Credentials & Experience

Years in Business
16+

Coverage Area

All 50 U.S. states and territories, including Louisville, Kentucky and statewide Kentucky.

Additional Details

Years of Experience
16 years
Rush / Same-Day Service
Yes
Skip Tracing
Yes
First Attempt Turnaround
Same Day
Service Types Offered
Summons & ComplaintsSubpoenasEviction Notices

Location

1133 13th St NW, Suite C4, Washington, DC 20005, Washington, DC

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