Your Commerce Private Investigator for Surveillance and Investigations
Looking for a private investigator in Commerce? Bear Witness Private Investigators is a California-licensed firm (PI #18755) that has specialized in surveillance since 1996. Commerce is a city of about 12,000 people in Los Angeles County, and it is part of our regular coverage across Southern California.
From infidelity and custody cases to workers’ compensation fraud and litigation support, we keep our caseload small so every Commerce client works directly with the investigator in the field — and gets a clear answer, documented to the standard California courts expect.
Surveillance Specialists Serving Commerce
As a Commerce private investigator, surveillance is the core of what we do. We document activity legally, discreetly, and in a way that holds up in court.
Mobile Surveillance
We follow the subject by vehicle through Commerce and beyond, keeping distance and cover so they never know we are there.
Static Surveillance
Discreet observation of a home, workplace, or business from a lawful public vantage point, documenting who comes and goes.
Two-Investigator Teams
Team surveillance covers multiple exits and keeps a moving subject in sight in heavy Southern California traffic.
Every Commerce surveillance plan is built around where your subject actually lives, works, and spends time — not a generic template.
Cases Our Commerce Private Investigators Take On
Four kinds of clients call us most — and surveillance is at the center of almost every case.
Personal Cases
- Infidelity & cheating spouse — documenting where a partner goes and who they meet, without them knowing.
- Nanny & daycare surveillance — peace of mind about who is caring for your child in Commerce.
- Runaways & missing persons — people-location work to find someone who has gone missing or run away.
Family Law Cases
- Cohabitation — evidence of a supported spouse living with a partner, relevant to support.
- Child custody — facts that help a court decide what is best for your child.
- Divorce investigations — evidence for Los Angeles County family court, documented properly.
- Lifestyle investigations — showing how someone actually lives when income or need is in dispute.
- Child visitation — a factual record of exchanges and visits.
- Child support — identifying undisclosed work or income when support is in question.
Business Cases
- Injury claims — verifying the extent of claimed injuries through lawful observation.
- Employee theft — facts for Commerce employers before they confront anyone.
- Business partner surveillance — due diligence and surveillance on partners and key associates.
- Insurance defense — field work that supports a strong defense.
- Workers’ comp fraud — comparing a claimant’s real activity to reported restrictions.
Law Firm Cases
- Evasive subpoena service — skip-tracing and service for hard-to-serve subjects.
- Records research — court, property, business, and public records research.
- Witness statements — tracking down witnesses in Commerce and beyond.
- Surveillance — surveillance your client’s case can stand on.
- Court testimony — investigator testimony in California courts when needed.
- Evidence gathering — court-ready documentation for litigation.
What Sets Our Commerce Investigators Apart
Not every Commerce private investigator specializes in surveillance. Here is what makes Bear Witness different.
Court-Ready Evidence
Evidence gathered lawfully and documented the way California judges and attorneys expect.
Licensed & Veteran-Owned
California PI License #18755, veteran-owned and operated, held to the standards set by BSIS.
Direct Access to Your Investigator
We limit our caseload, so you talk to the investigator working your case — not a call center.
Surveillance Specialists
Surveillance has been our focus since 1996. It is not a side service — it is what we do best.
Absolute Discretion
Your case is never discussed with anyone outside the firm, and the subject never knows we were there.
Statewide Coverage
Coverage across Southern, Northern, and Central California, including all of Los Angeles County.
What Our Clients Say
Real reviews from Bear Witness clients across California.
“James, thank you for stepping in and helping out our law firm! You came highly recommended to us by a colleague as the go-to-guy for all things surveillance. Good communication skills & excellent work!”
“Of all the private investigators I have used, the Bear Witness Detective Agency has proven to be the only investigation company I can completely rely on and trust. When I need smart surveillance investigators who get the job done right, they are always at the very top of my call list.”
“Excellent communication, insight, and follow-through skills. Very impressed with your surveillance video. Excellent work. Thank you! Will refer to friends in need.”
Names and/or locations altered for client privacy. Read more client reviews →
Where Commerce Cases Are Heard
Commerce sits roughly 15 miles from Los Angeles, the Los Angeles County seat, where the main Superior Court of California, County of Los Angeles facilities are located.
Divorce, custody, support, and civil cases involving Commerce residents are generally filed in the Superior Court of California, County of Los Angeles. We document every case with that courtroom in mind: dated, time-stamped, gathered legally, and backed by testimony if needed.
Nearby Areas We Cover
If your subject lives in Commerce but works or travels elsewhere, that’s routine. Nearby areas include:
Straight-line distances from Commerce.
How Hiring a Private Investigator in Commerce Works
- 1
Free Consultation
Tell a licensed investigator what you know and what you need confirmed. Completely confidential.
- 2
Plan & Estimate
We build a plan around your subject’s routine in Commerce and give you a written estimate before any work begins.
- 3
Surveillance
Your investigator documents activity with time-stamped video and keeps you updated.
- 4
Report & Evidence
You receive a clear written report, photos, and video — plus testimony if needed.
Questions About Hiring a Private Investigator in Commerce
Do you also cover Bell Gardens and Maywood?
Yes. Bell Gardens is about 2 miles from Commerce and Maywood about 2 miles, and both are part of our regular coverage in Southern California.
What does a private investigator in Commerce do?
We document facts for personal, family law, business, and legal cases — most often through surveillance, along with background research, people location, witness statements, and process serving.
Do you specialize in surveillance?
Yes. Surveillance has been Bear Witness’s specialty since 1996, and it is part of nearly every case we handle in Commerce and across California.
Can you serve someone who is avoiding service?
Yes. We locate the person first, then time service attempts around when they are actually there, and document service for the court.
Can you help find a runaway or missing person?
Yes. We use people-location and investigative techniques to find family members and others who have left or lost touch.
How is a Commerce investigation priced?
Surveillance is billed by time. After a free consultation, you get a written estimate before any billable work begins.
Can you document cohabitation for a spousal support case?
Yes. Under California Family Code section 4323, a supported spouse living with a partner can create a presumption of decreased need for support. We document cohabitation for you and your attorney.
Is everything I tell you confidential?
Yes. Your case is handled by your assigned investigator and never discussed with anyone outside the firm.
What if the investigation finds nothing?
You get an honest report that says so. A clean result still answers the question.
Every case starts with a free, confidential consultation. Call 1(877)PROOF-24/7 to speak with a licensed investigator about your Commerce case.