If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Clients hire Nerosi Security for discreet, professional, and confidential investigative support. We handle infidelity concerns, surveillance, background research, and personal matters with respect, lawful methods, clear communication, careful documentation, and dependable service focused on uncovering facts and protecting your interests.
Nerosi Security is led by a Washington State licensed Principal Private Investigator, License #26018113.
Overview
Serves Sammamish, WA
Background checked
2 employees
Business hours
Sun10:00 am - 10:00 pmMon10:00 am - 10:00 pm
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, PayPal, Venmo, and Zelle.
Services offered
Private Investigation
Projects and media
Projects and media
Reviews
Customers rated this pro highly for value, professionalism, and work quality.
5.0
1 review
5
100%
4
0%
3
0%
2
0%
1
0%
Your trust means everything to us. Learn about our review guidelines.
Michael A.
Sep 23, 2026
Nerosi Security was professional, responsive, and discreet throughout the entire process. PI Cristian Mazilu communicated clearly, handled the matter with great attention to detail, and maintained a high level of confidentiality and professionalism. I appreciated his reliability, responsiveness, and commitment to providing quality investigative services. I would confidently recommend Nerosi Security and PI Cristian Mazilu to anyone looking for dependable and professional investigative support.
Credentials
Background Check
Cristian Mazilu
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Pricing varies by case complexity, hours, and travel. Clear estimates provided before work begins.
What is your typical process for working with a new customer?
We begin with a confidential consultation to understand your needs, review the case, explain options and pricing, and agree on the next steps before starting.
What education and/or training do you have that relates to your work?
I have over 20 years of experience in security, investigations, and protective services, including PSD certification, WPPS training, motorcade operations, surveillance, evidence documentation, and high-threat security operations.
