1. Home
  2. Private investigators
  3. Maricopa County
  4. Phoenix
  5. Investigative Research Inc

Investigative Research Inc

No Google reviews yet Private investigator in Phoenix, AZ

Contact

Hours

Monday
8am to 5pm
Tuesday
8am to 5pm
Wednesday
8am to 5pm
Thursday
8am to 5pm
Friday
8am to 5pm
Saturday
Closed
Sunday
Closed

Services and details

Surveillance ✓
Background checks ✓
Witness location ?
Skip tracing ?
Asset searches ✓
Insurance and injury claims ✓
Work for law firms ✓
Process service ?
Digital forensics ✓
Statewide coverage ?

A question mark means the business doesn't say. Call and ask.

About Investigative Research Inc

Investigative Research, Inc. was founded in Phoenix in 1978 by Keith Sobraske and serves municipalities, utilities, insurers, law firms and businesses. Its work includes accident and incident scene investigations, employment complaints, claims surveillance, records and asset research, and computer forensics, with Spanish-speaking investigators on staff. A separate unit, IRI f/x, produces trial exhibits, diagrams and animations.

Compiled from public sources on Oct 1, 2026. Report a correction or request removal. Back to private investigators in Phoenix.