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Columbia Process and Investigative Services (CPI) is a premier process serving and investigative company. The company combines over 75 years of experience in law enforcement and legal services under the leadership of a former Deputy Chief of the Metropolitan Police Department, District of Columbia and a researcher and process server with more than 25 years of experience in all areas of litigation support.


CPI is committed to providing the highest level of customer service.  


CPI is licensed and bonded.



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Phone: 202 686-5000

Process Services


Service of Process

Service of Process on evasive or uncooperative witnesses or defendants

Affidavits of Service

Affidavits of Diligence or Narrative Affidavits

Filing of Affidavits

Filing of New Cases

Filing of Miscellaneous or Foreign Subpoenas

Specialized Filings and Service of Process

Investigative Services


Witness and Defendant Location

Background Research and Inquiries

Asset Research


Witness Interviews

Corporate Structure and Background

Case Review and Analysis


Missing Person

Domestic Investigations

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