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Private Investigators in Sunnyvale, CA

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Please contact the business for updated hours/services due to the COVID-19 advisory.

Blue Knight Global Services

1. Blue Knight Global Services

(747) 226-3099

Calabasas, CA 91302

JL

Outstanding company to work for! The staff is always professional. They always pay on time with no issues.

Associated Investigation LTD

2. Associated Investigation LTD

(800) 720-8955

Serving the
Sunnyvale Area

GB

Recently, we need to locate an individual and we had very little information. We turned the matter over to Associated Research and were delighted…

Roman PI

3. Roman PI

(888) 309-0392

Serving the
Sunnyvale Area

KN

I hired Frank to locate someone that I had been trying for 5 months to find on my own. He located the person in an hour! I strongly recommend Roman…

Mansfield Lierly and Associates Credibility Assessment Professionals

5. Mansfield Lierly and Associates Credibility Assessment Professionals

(916) 710-1030

Serving the
Sunnyvale Area

BM

Great job you have done for me. Thanks for your Services. Outstanding test and follow up report. I recommend others to find a more professional…

Immendorf & Co Investigations

6. Immendorf & Co Investigations

(415) 776-7777

PO Box 407190
San Francisco, CA 94133

This is a trustworthy, experienced and professional investigation company. You won't be disappointed!!

AAA Credit Bureau

7. AAA Credit Bureau

(844) 775-4536

Serving the
Sunnyvale Area

From Business: AAA CREDIT BUREAUAAA Credit Bureau has been providing credit, criminal and eviction reports for landlords since 1990. We offer two types of reports: basic credit…

Azcal Investigations

8. Azcal Investigations

(408) 737-7988

150 Aries Way
Sunnyvale, CA 94086

Montijo Investigative Services

9. Montijo Investigative Services

(408) 730-2223

118 E Fremont Ave
Sunnyvale, CA 94087

Roger B Edstrom

10. Roger B Edstrom

(650) 776-7983

1532 Julie Ln
Los Altos, CA 94024

D-Tech Investigations

11. D-Tech Investigations

(408) 617-1800

Serving the
Sunnyvale Area

Harder & Associates

12. Harder & Associates

(650) 941-5441

146 Main St Ste 203
Los Altos, CA 94022

From Business: Confidential And Reliable Investigative Services including Domestic Civil and Criminal Include domestic surveillance and stakeouts, child custody matters,…

Attorneys Collectors & Investigators

13. Attorneys Collectors & Investigators

(888) 258-5298

Serving the
Sunnyvale Area

JG

Dear Mr. Aguirre,My wife and I would like to thank you for resolving our long-standing difficult debtor issue. We were very pleased with the work…

Debt Collection Firm

14. Debt Collection Firm

(661) 621-3562

Serving the
Sunnyvale Area

LR

You guys are great we will definitely be using your services again! We really appreciate your hard work with our account!​

Swift Attorney Service

15. Swift Attorney Service

(844) 355-9716

500 Allerton St
Redwood City, CA 94063

From Business: Swift Attorney Serviceis a fully licensed and bonded process serving and private investigation company. Swift Attorney Service specializes in providing superb,…

Prestige Investigations

16. Prestige Investigations

(408) 227-1935

1190 S Bascom Ave Ste 213
San Jose, CA 95128

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The best choice I've ever made in life. Nestor is the best investigator there is. He is more than a investigator. He is a retired cop with 30 years…

Haber Investigations

17. Haber Investigations

(408) 978-2325

1702L Meridian Ave Ste 333
San Jose, CA 95125

From Business: Mr. Haber has over 30 years experience in civil and criminal investigations including extensive experience and training as a law enforcement officer. In addition…

R A Nosek Investigations

18. R A Nosek Investigations

(650) 368-2716

Po Box 5111
Redwood City, CA 94063

McDiarmid RKC Inc

19. McDiarmid RKC Inc

(408) 374-2610

14125 Capri Dr Ste 2
Los Gatos, CA 95032

I have dealt with many Investigative Firms through the years. Many attempt to give the impression that they are at the forefront of the industry. I…

Security Special Services

20. Security Special Services

(408) 906-9163

2905 Stender Way Ste 86A
Santa Clara, CA 95054

From Business: Professional Armed & Unarmed Uniformed Officers / Clearly Marked Patrol Vehicles / Plain Clothes Security Agents.

Digital Investigations

21. Digital Investigations

(669) 200-3991

228 Hamilton Ave
Palo Alto, CA 94301

From Business: If you are looking to conduct the most in-depth digital investigation possible, you’ve come to the right place. At Digital Investigations in Palo Alto, CA, our…

Tech International

22. Tech International

(408) 445-8431

1750 Meridian Ave
San Jose, CA 95125

From Business: CONFIDENTIAL INVESTIGATIONS

Nero & Associates Private Investigations

24. Nero & Associates Private Investigations

(800) 991-6125

2033 Gateway Pl Ste 500
San Jose, CA 95110

Atlas Investigation

25. Atlas Investigation

(408) 392-9050

1735 N 1st St
San Jose, CA 95112

Atlas International Detective

26. Atlas International Detective

(408) 377-3598

760 S Bascom Ave
San Jose, CA 95128

Cognetti & Lansaw Invstgtns

27. Cognetti & Lansaw Invstgtns

(408) 398-6056

396 Leigh Ave
San Jose, CA 95128

County Government Sheriffs Department

28. County Government Sheriffs Department

(408) 808-4500

55 W Younger Ave
San Jose, CA 95110

Robert Ferris Investigations

29. Robert Ferris Investigations

(408) 380-4730

888 N 1st St Ste 313
San Jose, CA 95112

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