Legal services

Providing an array of legal services such as process serving, apostille & embassy
legalizations, traveling notaries, and
skip-tracing nationwide.


Accountability is important in our industry, which is why our process servers utilize mobile GPS tracking technology to log in attempts and update our clients.


Seamless integration with your firm’s caseload. Ask us about opening an account FREE of charge and receive customizable invoicing, free affidavit filings, and much more.

Legal & document processing services nationwide 7 days a week

Nationwide Legal Services

A leader in the legal services industry, One  Source Process provides an experienced, efficient, and personal service to our clients. Strategically headquartered in Washington, DC with locations nationwide we serve all 50 States and Territories providing a variety of services such as service of process,  apostille & legalization, skip  tracing,  traveling  notary,  court  filing,  document retrieval and subpoena preparation. With our vast local and national network we are able to treat each case with the utmost priority assuring that the job is done quickly and correctly the first time.


DC Process Servers Available 24/7

One Source Process provides the most comprehensive, professional, and efficient process service in DC and all 50 States & territories. Our DC process servers are trained to handle common situations that arise when serving process in the DMV. Such as the difficult process of gaining access to secured residential buildings or the proper contact when serving various government agencies. Need a service after hours, on the weekend, or a holiday? Our emergency answering system and after hours availability will have your service request handled by a server the same day. Upon completion of service we will file the affidavit at any DC court free of charge. Please inquire with our office for any special requests such as our stake-out service for those avoiding service. Assisting attorney, corporate, and pro se clients alike! Speak with one of our process service experts today!


Subpoena Process Service

Ask us about our subpoena service! Available nationwide our subpoena preparation and subpoena process service will walk you through the entire process from start to finish.


International Service of Process

We have a wealth of expertise in providing process service internationally per the Hague Convention as well. If you need professional support to serve notice to corporations and individuals abroad please contact us.

Testimonials from real clients

We have used a few different process servers and no one has provided the level of customer service that One Source Process has. They are very reliable and they communicate every step of the way. Alex and Brandon have been a huge help and they always take their time to understand our needs. We look forward to working with One Source Process for a long time

Holly Webb


Professional and efficient – Having not been through the Apostille Service previously, we were guided and taught what we were doing by extremely professional and courteous individuals. We couldn’t be more pleased at the efficiency and the speed at which they were able to get the job done. The final product was accepted by the bank and the beneficiaries of the estate received their funds, everyone was happy. Thank you, One Source Process, Inc.

Bryan Cosgrove


One Source Process took good care of me! Their personal care and attention to detail is hard to find! I was dealing with a deadline for a visa and in dire need for help understanding the process. They made everything so easy and I met my visa deadline no problem. I am so appreciative and I recommend them to you!

Rebecca Young


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