All Cases, Investigative Services (ACIS)

Private Investigator - Detective     
Ontario | Riverside | San Bernardino | Los Angeles 
Bring the Truth to Light
with ACIS Detectives
We give clients Free Consultation 24/7
Office Hours:

9:00 a.m.–10:00 p.m.

Office Hours:
10:00 a.m.–7:00 p.m.

Toll Free: (866) 920-2620

Service Area:
Southern California: Ontario, Murrieta, Monterey Park, San Bernardino County, Orange County, Los Angles, Riverside, Ventura
California Association of Licensed 
Investigators, Since 2007
ACIS Services Links:
Missing Person Infidelity  Surveillance Skip Trace-Locates Process Service Asset Recovery Bank Account Locate 
Blog GPS tracking Surveillance
• Missing Person • Infidelity • Surveillance
• Skip Trace-Locates • Process Service
• Asset Recovery • Bank Account Locate
• Blog • GPS Tracking

Los Angeles, Califorrnia  - Best Private Investigator

Welcome to At ACIS Office of Investigations in Los Angeles, CA.  Our Los Angeles private investigators are experienced former law enforcement professionals in the industry and know the courts and criminal justice system. Our private investigators assist in preparing criminal defenses, locating witnesses, and serving subpoenas. We work with law firms to gather information and present facts to assist clients and attorneys with making informed decisions during litigation. At ACIS Los Angeles, private investigator duties depend on the needs of the client. We assigned our private investigators casework based on their areas of expertise and specialized experience.  Our investigators work with consultants and experts to assist with technical areas and forensics science on a case-by-case basis. We have surveillance, support staff and personnel available to gather information, and assist with preparing case for litigation. Our investigators will prepare reports, assemble evidence, and testify in court at trial as needed.  For more information, call Los Angeles ACIS for more information and free consultation.


We know that there are hundreds of private investigators in Los Angeles, California, but none is like ACIS.  Our Los Angeles private investigators are licensed professionals with the recourses available to assist clients.  ACIS is a full service private investigation firms with affiliations in related industries (security & bodyguard services, bail bonds) to provide services beyond the scope of an investigation.  Our company has the resources to protect clients in high-risk situations.  Our investigators work stalking cases and provide uniform security officers to protect clients during the course of the investigation.    


At ACIS Los Angeles, the  investigation process starts with contacting our office for free consultation.  Our investigators and security consultants work with clients to get real solutions.  In today's world we need to do everything possible to protect our family, property, and business interest using every conceivable tool.  We provide the essentials tools, and experienced professionals to gather intelligence to protect vital interest and the bottom-line.  "Whoever controls the information controls the outcome of the situation."  Our private investigators put you in control of the situation and reduce risk of loss, threats, or physical danger.  Our security department provides physical security and  personal protection services.  Our security department operates as Magnum Security Services and Axel Executive Protection Services.  At ACIS, throughout the various departments, we have trained professionals with experience in the areas of investigations and security services.  Before using the services of another private investigation or security guard service company, contact ACIS to get a quote.  We beat the competition ... giving clients the best services with affordable rates. 

ACIS Los Angeles Private Investigators Service Areas


Alhambra Burbank Downey Hawaiian Gardens Long Beach Santa Monica
Altadena Carson El Monte Hollywood Marina  Del Rey Temple City
Azusa Claremont El Segundo Huntington Park Montebello Van Nuys
Baldwin Park Covina


Inglewood Monterey Park Venice
Beverly Hills Culver City Glendale Lakewood Norwalk Walnut
Brentwood Del Mar Glendora Lamirada Palmdale West Covina
Bell Gardens Diamond Bar Hawthone Laverne Pomona Whittier