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Private investigators in Maricopa County, Arizona

75 listed31 verified4.6 average from 995 reviewsListings updated Oct 1, 2026

Maricopa County has 75 private investigators in this directory. 29 carry our DPS-licensed badge from the state's license search.

We read 46 of their websites. Of those, 31 mention surveillance, 33 mention background checks, 29 say they take law firm work and 27 mention skip tracing.

Superior Process Services has the strongest Google record here, 4.9 stars from 147 reviews.

Featured private investigators in Maricopa County

All private investigators in Maricopa County

Scottsdale 4.9 (147)

Superior Process Services

Scottsdale process server covering Maricopa and Pinal counties, with court filings, skip tracing and online request tracking.

Skip tracing court_filings
View listing (480) 420-0877
Gilbert 5.0 (45)

Mason Investigative Solutions

DPS-licensed agency

Arizona investigator founded by a former U.S. Marshal, handling civil, criminal, domestic and insurance cases from $75 per hour.

Surveillance Background checks Insurance and injury claims
View listing From $75
Scottsdale 4.9 (81)

Urban Spy

Scottsdale PI firm led by an Army veteran, handling surveillance, family, corporate, fraud and attorney support investigations.

Surveillance Background checks Witness location
View listing (480) 886-1839
Phoenix 4.9 (37)

Aragon Investigations

Veteran-owned Phoenix PI agency, founded 2010, that also serves papers in Maricopa County and locates evasive subjects.

Skip tracing
View listing (480) 709-8622
Phoenix 4.8 (93)

Atwell Investigations, LLC

DPS-licensed agency

Phoenix husband and wife PI agency handling surveillance, locates, workers comp, background and digital forensics cases statewide.

Surveillance Background checks Skip tracing
View listing (623) 229-8005
Fountain Hills 5.0 (19)

Cool Cat Investigations LLC

DPS-licensed agency

Fountain Hills PI agency for criminal defense, civil and family cases, with a specialty in animal cruelty investigations.

Surveillance Background checks Witness location
View listing (602) 686-2068
Phoenix 4.9 (29)

Adam & Eve Investigations LLC.

DPS-licensed agency

Phoenix investigator for infidelity, custody, surveillance and background checks, with published flat rates starting at $25.

Surveillance Background checks Asset searches
View listing From $25
Phoenix 4.8 (33)

Quantum Investigations

DPS-licensed investigator

Phoenix PI agency led by a former Phoenix police investigator, covering Maricopa County for surveillance, skip tracing and asset work.

Surveillance Background checks Skip tracing
View listing (480) 269-7099
Chandler 4.9 (19)

Covert Special Investigations, Inc

DPS-licensed agency

Chandler PI firm since 2004 doing insurance fraud, surveillance, locates, litigation support and process serving for carriers and attorneys.

Surveillance Background checks Witness location
View listing (480) 681-7550
Phoenix 4.8 (18)

Strategic Investigations and Security

DPS-licensed agency

Multi-city investigation and security firm with a Phoenix office offering surveillance, attorney support, asset searches and forensics.

Surveillance Background checks Witness location
View listing (844) 277-4828
Scottsdale 4.8 (16)

Discreet Services, Inc.

DPS-licensed investigator

Veteran-owned Arizona PI agency handling surveillance, bug sweeps, skip traces and asset searches in the US and abroad.

Surveillance Background checks Skip tracing
View listing (480) 304-9210
Phoenix 5.0 (8)

Integrity Attorney Services

Certified, Maricopa County

Phoenix attorney service founded in 2004 offering process service, court filing and courier runs, court research and skip tracing.

standard Skip tracing court_filings
View listing (602) 424-3026
Mesa 4.7 (23)

Affordable Private Eyes

Female-owned Mesa PI agency since 2009 handling infidelity, custody, surveillance and background work across the Phoenix metro area.

Surveillance Background checks
View listing (480) 217-4332
Fountain Hills 5.0 (6)

Four Peaks Investigations

Fountain Hills investigator and former Seattle detective helping lawyers find witnesses, trace people and prepare cases.

Background checks Witness location Skip tracing
View listing (480) 934-0834
Tempe 5.0 (5)

R3 Investigations

DPS-licensed agency

Tempe legal investigations firm serving Arizona attorneys for 25+ years on criminal defense, civil litigation and corporate cases.

Background checks Witness location Skip tracing
View listing (480) 726-3961
Laveen Village 5.0 (4)

Sterling Investigative Services, LLC

DPS-licensed investigator

Veteran-owned Laveen PI firm run by a former Army MP, offering surveillance, background checks and interviews in the Phoenix area.

Surveillance Background checks Asset searches
View listing (602) 586-3669
Phoenix 5.0 (4)

JBS Private Investigation LLC

DPS-licensed agency

North Phoenix PI agency handling skip tracing, background checks, surveillance and insurance fraud work for law firms, carriers and individuals.

Surveillance Background checks Witness location
View listing (480) 504-1034
Chandler 5.0 (1)

Desert Private Investigations

DPS-licensed investigator

Chandler investigator offering background checks, people and heir locates, asset searches and bug sweeps in the Phoenix area.

Background checks Skip tracing Asset searches
View listing (480) 378-8355
Phoenix 5.0 (1)

Starlight Investigations

DPS-licensed investigator

Happy Jack and Phoenix investigator offering surveillance, asset searches, skip tracing and process service for attorneys and insurers.

Surveillance Background checks Skip tracing
View listing +2349284514301
Phoenix 5.0 (1)

Team Guardian

Phoenix-area surveillance specialists offering investigations, litigation support and covert surveillance training courses.

Surveillance Background checks Witness location
View listing (602) 908-7447
Phoenix 5.0 (1)

LAWGRRL, LLC

DPS-licensed agency

Phoenix investigation firm since 2007 offering locates, skip tracing and subpoena service from $30.

Skip tracing
View listing From $30
Scottsdale 5.0 (1)

Lawgistic Partners AZ

Process serving and investigations firm with Scottsdale and Tucson offices, covering all Arizona counties plus court filing and skip tracing.

Skip tracing court_filings Statewide coverage
View listing (480) 500-1901
Phoenix 4.2 (13)

Cutty & Associates Private Investigations

DPS-licensed agency

Phoenix PI firm offering background checks, skip tracing, litigation support and expert witnesses, including cell phone forensics.

Surveillance Background checks Skip tracing
View listing (602) 912-8565
Scottsdale 4.0 (1)

Lightstone Solutions

DPS-licensed investigator

Scottsdale firm offering litigation investigations, computer forensics, due diligence and gaming regulatory consulting.

Surveillance Background checks Witness location
View listing (602) 206-3800
Phoenix 4.0 (3)

Subrosa Investigations LLC

DPS-licensed agency

Phoenix agency since 2001 handling insurance claims, surveillance, litigation support, asset searches and background checks.

Surveillance Background checks Witness location
View listing (833) 782-7672
Phoenix 4.0 (10)

AccuSearch, LLC

DPS-licensed agency

Phoenix records research firm since 1989 searching Arizona and Nevada court records for screening companies, plus process service.

Background checks Process service Statewide coverage
View listing (800) 462-7019
Phoenix 4.0 (43)

Bond Investigations Inc.

DPS-licensed agency

Phoenix-headquartered national PI firm founded in 2003, handling surveillance, insurance, custody, defense and locate cases.

Surveillance Background checks Skip tracing
View listing (602) 491-2871
Scottsdale 3.0 (2)

Bond Investigations – Scottsdale

DPS-licensed agency

Scottsdale office of Bond Investigations, a Phoenix-based agency since 2003 handling surveillance, insurance, defense and family cases.

Surveillance Background checks Skip tracing
View listing (480) 539-0586
Phoenix 3.9 (32)

Maricopa County Process Service, PLLC

Certified, Maricopa County

Phoenix-based, majority women-owned process service covering Maricopa, Pinal and Pima counties, with statewide reach and court filing of returns.

Standard service Skip tracing Court filings
View listing (602) 424-7474
Scottsdale 3.7 (41)

International Counterintelligence Services, Inc.

DPS-licensed agency

Scottsdale investigation firm founded in 1967 offering surveillance, locates, computer forensics and process service across Arizona and beyond.

Surveillance Background checks Skip tracing
View listing (480) 990-8888
Phoenix No Google reviews yet

Premier Private Investigators

Phoenix detective agency for criminal defense and civil litigation, run by a former Marine and police officer.

Work for law firms
View listing (623) 670-0726
Glendale No Google reviews yet

BLUE LINE RESEARCH & CONSULTING

Phoenix-area PI and consulting firm offering surveillance, database searches, case reports and security assessments.

Surveillance Background checks Skip tracing
View listing (602) 730-6207
Phoenix No Google reviews yet

Investigative Research Inc

Phoenix firm since 1978 doing accident investigations, claims surveillance, records research and courtroom graphics for insurers and attorneys.

Surveillance Background checks Asset searches
View listing (602) 258-5820
Scottsdale No Google reviews yet

DLS Information Services

DPS-licensed investigator

Arizona investigator focused on adoption searches since 1998, helping adoptees and birth families find each other.

View listing (480) 657-7696
Phoenix No Google reviews yet

Tolhurst International LLC

Phoenix investigation and security consulting firm run by a retired FBI agent, staffed largely by former federal agents.

Surveillance Witness location Work for law firms
View listing (602) 909-7151
Mesa No Google reviews yet

Bond Investigations – Mesa

DPS-licensed agency

Mesa office of Bond Investigations, a licensed agency since 2003 doing surveillance, insurance, defense and family investigations.

Surveillance Background checks Skip tracing
View listing (480) 357-7710
Mesa No Google reviews yet

Arizona Investigative Associates, PLLC

Mesa investigative firm offering rapid-response field work, forensic specialists and pre-trial juror research for attorneys.

Surveillance Witness location Work for law firms
View listing (602) 252-2474
Scottsdale No Google reviews yet

Drake Investigation Group

DPS-licensed agency

Scottsdale investigation firm since 1973 offering polygraph, forensic lab testing, digital forensics, bug sweeps and surveillance.

Surveillance Background checks Digital forensics
View listing (602) 240-2240
Scottsdale No Google reviews yet

Carlson Investigations

DPS-licensed investigator

Scottsdale investigator led by a former LA County detective, handling criminal defense, legal, corporate and domestic cases.

Surveillance Background checks Asset searches
View listing (480) 861-0503
Surprise No Google reviews yet

Desert Rose Private Investigators

Surprise PI agency serving Maricopa County with surveillance, locates, fraud cases, attorney support and civil process serving.

Surveillance Background checks Witness location
View listing (623) 285-6088

Common questions about private investigators in Maricopa County

Which private investigators in Maricopa County are DPS-licensed?

We found an active license in the DPS search for Mason Investigative Solutions, M.V.Parker Law Investigations, PLLC, Atwell Investigations, LLC, Cool Cat Investigations LLC, Adam & Eve Investigations LLC. and 24 more. Each listing shows the date we checked.

Who does surveillance in Maricopa County?

These Maricopa County investigators list surveillance on their websites: Mason Investigative Solutions, Urban Spy, Atwell Investigations, LLC, Cool Cat Investigations LLC, Adam & Eve Investigations LLC. and 26 more.

Which Maricopa County investigators work for law firms?

These say on their websites that they take work from attorneys: Mason Investigative Solutions, Urban Spy, Cool Cat Investigations LLC, Quantum Investigations, Covert Special Investigations, Inc and 24 more.

Who runs background checks in Maricopa County?

Background checks are listed by Mason Investigative Solutions, Urban Spy, Atwell Investigations, LLC, Cool Cat Investigations LLC, Adam & Eve Investigations LLC. and 28 more.

Who is the highest-rated private investigator in Maricopa County?

Superior Process Services, with 4.9 stars from 147 Google reviews. We weight ratings by the number of reviews, so a long record counts for more than a perfect score from a handful.

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